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  12   <h1>The rEFInd Boot Manager:<br />Installing rEFInd</h1>
  13
  14 <p class="subhead">by Roderick W. Smith, <a
  15 href="mailto:rodsmith@rodsbooks.com">rodsmith@rodsbooks.com</a></p>
  16
  17 <p>Originally written: 3/14/2012; last Web page update:
  18 1/6/2013, referencing rEFInd 0.6.3</p>
  19
  20
  21 <p>I'm a technical writer and consultant specializing in Linux technologies. This Web page is provided free of charge and with no annoying outside ads; however, I did take time to prepare it, and Web hosting does cost money. If you find this Web page useful, please consider making a small donation to help keep this site up and running. Thanks!</p>
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  86
  87 <hr />
  88
  89 <p>This page is part of the documentation for the rEFInd boot manager. If a Web search has brought you here, you may want to start at the <a href="index.html">main page.</a></p>
  90
  91 <hr />
  92
  93 <div style="float:right; width:55%">
  94
  95 <p>Once you've obtained a rEFInd binary file, you must install it to your computer's ESP (or conceivably to some other location). The details of how you do this depend on your OS and your computer (UEFI-based PC vs. Macintosh). The upcoming sections provide details. See the Contents sidebar to the left for links to specific installation procedures. For most Linux users, an RPM or Debian package is the best way to go. If your Linux system doesn't support these formats, though, or if you're running OS X, using the <tt>install.sh</tt> script can be a good way to go. If you're using Windows, you'll have to install manually.</p>
  96
  97 <p class="sidebar" style="width:95%"><b>Important:</b> A rEFInd zip file, when uncompressed, creates a directory called <tt>refind-<i>version</i></tt>, where <tt><i>version</i></tt> is the version number. This directory includes a subdirectory called <tt>refind</tt> that holds the boot loader, along with another that holds documentation, as well as miscellaneous files in <tt>refind-<i>version</i></tt> itself. When I refer to "the <tt>refind</tt> directory" on this page, I mean the directory with that precise name, not the <tt>refind-<i>version</i></tt> directory that is its parent.</p>
  98
  99 </div>
 100
 101 <div class="navbar">
 102
 103 <h4 class="tight">Contents</h4>
 104
 105 <ul class="tight">
 106
 107 <li class="tight"><a href="#packagefile">Installing rEFInd using an RPM or Debian package file</a></li>
 108
 109 <li class="tight"><a href="#installsh">Installing rEFInd Using <tt>install.sh</tt> under Linux or Mac OS X</a>
 110
 111    <ul class="tight">
 112
 113    <li class="tight"><a href="#quickstart">Quick <tt>install.sh</tt> Instructions</a></li>
 114
 115    <li class="tight"><a href="#extra_installsh">Extra <tt>install.sh</tt> Instructions</a></li>
 116
 117    </ul></li>
 118
 119 <li class="tight"><a href="#manual">Installing rEFInd Manually</a>
 120
 121    <ul>
 122
 123    <li class="tight"><a href="#linux">Installing rEFInd Manually Using Linux</a></li>
 124
 125    <li class="tight"><a href="#osx">Installing rEFInd Manually Using Mac OS X</a></li>
 126
 127    <li class="tight"><a href="#windows">Installing rEFInd Manually Using Windows</a></li>
 128
 129    <li class="tight"><a href="#efishell">Installing rEFInd Manually Using an EFI Shell</a></ul></li>
 130
 131 <li class="tight"><a href="#naming">Alternative Naming Options</a>
 132
 133    <ul>
 134
 135    <li class="tight"><a href="#mvrefind">Using <tt>mvrefind.sh</tt></li>
 136
 137    <li class="tight"><a href="#manual_renaming">Renaming Files Manually</li>
 138
 139    </ul></li>
 140
 141 <li class="tight"><a href="#upgrading">Upgrading rEFInd</a></li>
 142
 143 <li class="tight"><a href="#addons">Installing Additional Components</a></li>
 144
 145 <li class="tight"><a href="#sluggish">Fixing a Sluggish Macintosh Boot</a></li>
 146
 147 <li class="tight"><a href="#uninstalling">Uninstalling rEFInd</a></li>
 148
 149 </ul>
 150
 151 </div>
 152
 153 <a name="packagefile">
 154 <h2>Installing rEFInd Using an RPM or Debian Package File</h2>
 155 </a>
 156
 157 <p>Beginning with version 0.6.2, I've included an RPM package file for rEFInd, and I quickly updated this (in 0.6.2-2) to be more sophisticated and to include a Debian package file, as well. If you have a working RPM-based or Debian-based Linux installation that boots in EFI mode, using one of these files is likely to be the easiest way to install rEFInd: You need only download the file and issue an appropriate installation command. In some cases, double-clicking the package in your file manager will install it. If that doesn't work, a command like the following will install the RPM on an RPM-based system:</p>
 158
 159 <pre class="listing"># <tt class="userinput">rpm -Uvh refind-0.6.2-2.x86_64.rpm</tt></pre>
 160
 161 <p>On a Debian-based system, the equivalent command is:</p>
 162
 163 <pre class="listing"># <tt class="userinput">dpkg -i refind_0.6.2-2_amd64.deb</tt></pre>
 164
 165 <p>Either command produces output similar to that described for <a href="#installsh">using the <tt>install.sh</tt> script,</a> so you can check it for error messages and other signs of trouble. The package file installs rEFInd and registers it with the EFI to be the default boot loader. The script that runs as part of the installation process tries to determine if you're using Secure Boot, and if so it will try to configure rEFInd to launch using shim; however, this won't work correctly on all systems. Ubuntu 12.10 users who are booting with Secure Boot active should be wary, since the resulting installation will probably try to use Ubuntu's version of shim, which won't work correctly with rEFInd.</p>
 166
 167 <p>Since version 0.6.3, the installation script makes an attempt to install rEFInd in a bootable way even if you run the script from a BIOS-mode boot, and therefore the RPM and Debian packages do the same. I cannot guarantee that this will work, though, and even if it does, some of the tricks that <tt>install.sh</tt> uses might not last for long. You might therefore want to use <tt><a href="#mvrefind">mvrefind.sh</a></tt> to move your rEFInd installation to another name after you boot Linux for the first time from rEFInd.</p>
 168
 169 <p>Since version 0.6.2-2, my package files have installed the rEFInd binaries to <tt>/usr/share/refind-<tt class="variable">version</tt></tt>, the documentation to <tt>/usr/share/doc/refind-<tt class="variable">version</tt></tt>, and a few miscellaneous files elsewhere. Upon installation, the package runs the <tt>install.sh</tt> script to copy the files to the ESP. This enables you to re-install rEFInd after the fact by running <tt>install.sh</tt>, should some other tool or OS wipe the ESP or should the installation go awry. In such cases you can <a href="#installsh">use <tt>install.sh</tt></a> or <a href="#manual">install manually.</a></p>
 170
 171 <a name="installsh">
 172 <h2>Installing rEFInd Using <tt>install.sh</tt> under Linux or Mac OS X</h2>
 173
 174 <p class="sidebar"><b>Warning:</b> If you're using a Macintosh, you should run <tt>install.sh</tt> from Mac OS X rather than from Linux. If run from Linux, rEFInd is unlikely to be fully installed. Worse, it's conceivable that running <tt>install.sh</tt> from Linux will damage your firmware, requiring that it be re-flashed. The reason is that Apple uses non-standard methods to enable a boot loader, and the Linux functions in <tt>install.sh</tt> assume standard EFI installation methods.</p>
 175
 176 <p>If you're using Linux or Mac OS X, the easiest way to install rEFInd is to use the <tt>install.sh</tt> script. This script automatically copies rEFInd's files to your ESP or other target location and makes changes to your firmware's NVRAM settings so that rEFInd will start the next time you boot. If you've booted to OS X or in non-Secure-Boot EFI mode to Linux on a UEFI-based PC, <tt>install.sh</tt> will probably do the right thing, so you can get by with the quick instructions. If your setup is unusual, if your computer uses Secure Boot, or if you want to create a USB flash drive with rEFInd on it, you should read the <a href="#extra_installsh">extra instructions</a> for this utility.</p>
 177
 178 <a name="quickstart">
 179 <h3>Quick <tt>install.sh</tt> Instructions</h3>
 180 </quickstart>
 181
 182 <p>Under Linux, the <tt>install.sh</tt> script installs rEFInd to your disk's ESP. Under Mac OS X, the script installs rEFInd to your current OS X boot partition by default; but you can install to your ESP instead by passing the script the <tt>--esp</tt> option. Under either OS, you can install to something other than the currently-running OS by using the <tt>--root <tt class="variable">/mountpoint</tt></tt> option. (See <a href="#table1">Table 1</a> for details.)</p>
 183
 184 <p>Before running this script under Linux, you should ensure that your ESP is mounted at <tt>/boot</tt> or <tt>/boot/efi</tt>, as described in more detail in the <a href="#linux">Installing rEFInd Manually Using Linux</a> section. (If you installed Linux in EFI mode, chances are your ESP is properly mounted.) This precaution isn't necessary under OS X. If you run <tt>install.sh</tt> from a BIOS/legacy-mode boot, particularly on a computer that also runs Windows, you should be aware that the tricks the script uses to install itself from BIOS mode are rather delicate. You can convert to a more conventional configuration using the <a href="#mvrefind"><tt>mvrefind.sh</tt> script.</a></p>
 185
 186 <p>A sample run under Linux looks something like this:</p>
 187
 188 <pre class="listing">
 189 # <tt class="userinput">./install.sh</tt>
 190 Installing rEFInd on Linux....
 191 ESP was found at /boot/efi using vfat
 192 Installing driver for ext4 (ext4_x64.efi)
 193 Copied rEFInd binary files
 194
 195 Copying sample configuration file as refind.conf; edit this file to configure
 196 rEFInd.
 197
 198
 199 Installation has completed successfully.</pre>
 200
 201 <p>The output under OS X is a bit different:</p>
 202
 203 <pre class="listing">
 204 $ <tt class="userinput">./install.sh</tt>
 205 Not running as root; attempting to elevate privileges via sudo....
 206 Password:
 207 Installing rEFInd on OS X....
 208 Installing rEFInd to the partition mounted at '/'
 209 Copied rEFInd binary files
 210
 211 Copying sample configuration file as refind.conf; edit this file to configure
 212 rEFInd.
 213
 214
 215 WARNING: If you have an Advanced Format disk, *DO NOT* attempt to check the
 216 bless status with 'bless --info', since this is known to cause disk corruption
 217 on some systems!!
 218
 219
 220 Installation has completed successfully.</pre>
 221
 222 <p>In either case, the details of the output differ depending on your existing configuration and how you ran the program. Unless you see an obvious warning or error, you shouldn't be concerned about minor deviations from these examples. If you run into such a situation, or if you want to install in an unusual way, read on....</p>
 223
 224 <a name="extra_installsh">
 225 <h3>Extra <tt>install.sh</tt> Instructions</h3>
 226 </a>
 227
 228 <p>Some details that can affect how the script runs include the following:</p>
 229
 230 <ul>
 231
 232 <li>If you run the script as an ordinary user, it attempts to acquire
 233     <tt>root</tt> privileges by using the <tt>sudo</tt> command. This works
 234     on Mac OS X and some Linux installations (such as under Ubuntu or if
 235     you've added yourself to the <tt>sudo</tt> users list), but on some
 236     Linux installations this will fail. On such systems, you should run
 237     <tt>install.sh</tt> as <tt>root</tt>.</li>
 238
 239 <li>Under OS X, you can run the script with a mouse by opening a Terminal
 240     session and then dragging-and-dropping the <tt>install.sh</tt> file to
 241     the Terminal window. You'll need to press the Return or Enter key to
 242     run the script.</li>
 243
 244 <li>If you're using OS X 10.7's Whole Disk Encryption (WDE) feature, you
 245     <i>must</i> install rEFInd to the ESP, so the <tt>--esp</tt> option to
 246     <tt>install.sh</tt> is required. I'm still a little bit foggy about
 247     what's required to boot the system once this is done; see <a
 248     href="https://sourceforge.net/p/refind/discussion/general/thread/5c7d0195/">this
 249     forum thread</a> for a discussion of the topic.</li>
 250
 251 <li>If you're replacing rEFIt with rEFInd on a Mac, there's a chance that
 252     <tt>install.sh</tt> will warn you about the presence of a program
 253     called <tt>/Library/StartupItems/rEFItBlesser</tt> and ask if you want
 254     to delete it. This program is designed to keep rEFIt set as the boot
 255     manager by automatically re-blessing it if the default boot manager
 256     changes. This is obviously undesirable if you install rEFInd as your
 257     primary boot manager, so it's generally best to remove this program. If
 258     you prefer to keep your options open, you can answer <tt
 259     class="userinput">N</tt> when <tt>install.sh</tt> asks if you want to
 260     delete rEFItBlesser, and instead manually copy it elsewhere. If you
 261     subsequently decide to go back to using rEFIt as your primary boot
 262     manager, you can restore rEFItBlesser to its place.</li>
 263
 264 <li>If you're using OS X and an Advanced Format disk, heed the warning that
 265     <tt>install.sh</tt> displays and <i><b>do not</b></i> use <tt>bless
 266     --info</tt> to check your installation status; this combination has
 267     been reported to cause disk corruption on some Macs!</li>
 268
 269 <li>If you intend to boot BIOS-based OSes on a UEFI-based PC, you
 270     <i>must</i> edit the <tt>refind.conf</tt> file's <tt>scanfor</tt> line
 271     to enable the relevant searches. This is <i>not</i> necessary on Macs,
 272     though; because of the popularity of dual boots with Windows on Macs,
 273     the BIOS/legacy scans are enabled by default on Macs.</li>
 274
 275 <li>On Linux, <tt>install.sh</tt> checks the filesystem type of the
 276     <tt>/boot</tt> directory and, if a matching filesystem driver is
 277     available, installs it. Note that the "<tt>/boot</tt> directory" may be
 278     on a separate partition or it may be part of your root (<tt>/</tt>)
 279     filesystem, in which case the driver for your root filesystem is
 280     installed. If <tt>install.sh</tt> detects that the filesystem in
 281     question is ext2fs or ext3fs, it installs the ext4fs driver, which can
 282     handle all three of these filesystem types. This feature is unlikely to
 283     work properly from an emergency system, although it might if you have a
 284     separate <tt>/boot</tt> partition and if you mount that partition at
 285     <tt>/boot</tt> in your emergency system, and the ESP at
 286     <tt>/boot/efi</tt>.</li>
 287
 288 <li>If you run <tt>install.sh</tt> on Linux and if
 289     <tt>/boot/refind_linux.conf</tt> doesn't already exist,
 290     <tt>install.sh</tt> creates this file and populates it with a few
 291     sample entries. If <tt>/boot</tt> is on a FAT partition (or HFS+ on a
 292     Mac), or if it's on an ext2fs, ext3fs, ext4fs, ReiserFS, or HFS+
 293     partition and you install an appropriate driver, the
 294     result is that rEFInd will detect your kernel and will probably boot it
 295     correctly. Some systems will require manual tweaking to
 296     <tt>refind_linux.conf</tt>, though&mdash;for instance, to add
 297     <tt>dolvm</tt> to the boot options on Gentoo systems that use LVM.</li>
 298
 299 </ul>
 300
 301 <p>In addition to these quirks, you should be aware of some options that <tt>install.sh</tt> supports to enable you to customize your installation in various ways. The syntax for <tt>install.sh</tt> is as follows:</p>
 302
 303 <pre class="listing">
 304 install.sh [--esp | --usedefault <tt class="variable">device-file</tt> | --root <tt class="variable">mount-point</tt> ] \
 305            [--nodrivers | --alldrivers] [--shim <tt class="variable">shim-filename</tt>] [--localkeys] [--yes]
 306 </pre>
 307
 308 <p>The details of the options are summarized in <a href="#table1">Table 1.</a> Broadly speaking, they come in four classes: installation location options (<tt>--esp</tt>, <tt>--usedefault</tt>, and <tt>--root</tt>), driver options (<tt>--nodrivers</tt> and <tt>--alldrivers</tt>), Secure Boot options (<tt>--shim</tt> and <tt>--localkeys</tt>), and a user input option (<tt>--yes</tt>). Using some of these options in unusual conditions can generate warnings and prompts to confirm your actions. In particular, using <tt>--shim</tt> or <tt>--localkeys</tt> when you're <i>not</i> booted in Secure Boot mode, or failing to use <tt>--shim</tt> when you <i>are</i> booted in Secure Boot mode, will generate a query and a request to confirm your installation. Consult the <a href="secureboot.html">Managing Secure Boot</a> page for more on this topic.</p>
 309
 310 <table border="1" cellpadding="1" cellspacing="2" summary="Table 1: Options to <tt>install.sh</tt>"><a name="table1"><caption><b>Table 1: Options to <tt>install.sh</tt></b></caption></a>
 311 <tr>
 312    <th>Option</th>
 313    <th>Explanation</th>
 314 </tr>
 315 <tr>
 316    <td><tt>--esp</tt></td>
 317    <td>This option tells <tt>install.sh</tt> to install rEFInd to the ESP of your computer. This option is only useful on OS X; on Linux, installing to the ESP is a practical necessity, so <tt>--esp</tt> is implicit on Linux. Be aware that some users have reported sluggish boots when installing rEFInd to the ESP on Macs. Installing rEFInd anywhere but the ESP makes little sense on UEFI-based PCs, except for the partial exception of removable boot media, which you can prepare with <tt>--usedefault</tt>.</td>
 318 </tr>
 319 <tr>
 320    <td><tt>--usedefault <tt class="variable">device-file</tt></tt></td>
 321    <td>You can install rEFInd to a disk using the default/fallback filename of <tt>EFI/BOOT/bootx64.efi</tt> (and <tt>EFI/BOOT/bootia32.efi</tt>, if the 32-bit build is available) using this option. The <tt class="variable">device-file</tt> should be an <i>unmounted</i> ESP, or at least a FAT partition, as in <tt>--usedefault /dev/sdc1</tt>. Your computer's NVRAM entries will <i>not</i> be modified when installing in this way. The intent is that you can create a bootable USB flash drive or install rEFInd on a computer that tends to "forget" its NVRAM settings with this option. This option is mutually exclusive with <tt>--esp</tt> and <tt>--root</tt> (except for implicit use of <tt>--esp</tt> on Linux).</td>
 322 </tr>
 323 <tr>
 324    <td><tt>--root <tt class="variable">/mount-point</tt></tt></td>
 325    <td>This option is intended to help install rEFInd from a "live CD" or other emergency system. To use it, you should mount your regular installation at <tt class="variable">/mount-point</tt>, including your <tt>/boot</tt> directory (if it's separate) at <tt class="variable">/mount-point</tt><tt>/boot</tt> and (on Linux) your ESP at that location or at <tt class="variable">/mount-point</tt><tt>/boot/efi</tt>. The <tt>install.sh</tt> script then installs rEFInd to the appropriate location&mdash;on Linux, <tt class="variable">/mount-point</tt><tt>/boot/EFI/refind</tt> or <tt class="variable">/mount-point</tt><tt>/boot/efi/EFI/refind</tt>, depending on where you've mounted your ESP; or on OS X, to <tt class="variable">/mount-point</tt><tt>/EFI/refind</tt>. The script also adds an entry to your NVRAM for rEFInd at this location. You cannot use this option with either <tt>--esp</tt> or <tt>--usedefault</tt>, except for implicit use of <tt>--esp</tt> on Linux. Note that this option is <i>not</i> needed when doing a dual-boot Linux/OS X installation; just install normally in OS X.</td>
 326 </tr>
 327 <tr>
 328    <td><tt>--nodrivers</tt></td>
 329    <td>Ordinarily <tt>install.sh</tt> attempts to install the driver required to read <tt>/boot</tt> on Linux. This attempt works only if you're using ext2fs, ext3fs, ext4fs, or ReiserFS on the relevant partition. If you want to forego this driver installation, pass the <tt>--nodrivers</tt> option. This option is the default on OS X or when you use <tt>--usedefault</tt>.</td>
 330 </tr>
 331 <tr>
 332    <td><tt>--alldrivers</tt></td>
 333    <td>When you specify this option, <tt>install.sh</tt> copies <i>all</i> the driver files for your architecture. You may want to remove unused driver files after you use this option, especially if your computer uses Secure Boot.</td>
 334 </tr>
 335 <tr>
 336    <td><tt>--shim <tt class="variable">shim-filename</tt></tt></td>
 337    <td>If you pass this option to <tt>install.sh</tt>, the script will copy the specified shim program file to the target directory, copy the <tt>MokManager.efi</tt> file from the shim program file's directory to the target directory, copy the 64-bit version of rEFInd as <tt>grubx64.efi</tt>, and register shim with the firmware. (If you also specify <tt>--usedefault</tt>, the NVRAM registration is skipped.) The intent is to simplify rEFInd installation on a computer that uses Secure Boot; when so set up, rEFInd will boot in Secure Boot mode, with one caveat: The first time you boot, MokManager will launch, and you must use it to locate and install a public key. This key file will be located in the rEFInd directory's <tt>keys</tt> subdirectory under the name <tt>refind.cer</tt>. Note that I'm not providing a shim binary myself, but you can download one from <a href="http://www.codon.org.uk/~mjg59/shim-signed/">here.</a> In the not-too-distant future, most distributions will provide their own shim programs, so you'll be able to point to them&mdash;for instance, in <tt>/boot/efi/EFI/fedora/shim.efi</tt>.</td>
 338 </tr>
 339 <tr>
 340    <td><tt>--localkeys</tt></td>
 341    <td>This option tells <tt>install.sh</tt> to generate a new Machine Owner Key (MOK), store it in <tt>/etc/refind.d/keys</tt> as <tt>refind_local.*</tt>, and re-sign all the 64-bit rEFInd binaries with this key before installing them. This is the preferable way to install rEFInd in Secure Boot mode, since it means your binaries will be signed locally rather than with my own key, which is used to sign many other users' binaries; however, this method requires that both the <tt>openssl</tt> and <tt>sbsign</tt> binaries be installed. The former is readily available in most distributions' repositories, but the latter is not, so this option is not the default.</td>
 342 </tr>
 343 <tr>
 344    <td><tt>--yes</tt></td>
 345    <td>This option causes the script to assume a <tt>Y</tt> input to every yes/no prompt that can be generated under certain conditions, such as if you specify <tt>--shim</tt> but <tt>install.sh</tt> detects no evidence of a Secure Boot installation. This option is intended mainly for use by scripts such as those that might be used as part of an installation via an RPM or Debian package. <b>Note:</b> I introduced this option with the 0.6.2-2 incremental release, which was primarily an update of the 0.6.2 RPM package; it's not yet available in the mainline 0.6.2 version.</td>
 346 </tr>
 347 </table>
 348
 349 <p>In any event, you should peruse the script's output to ensure that everything looks OK. <tt>install.sh</tt> displays error messages when it encounters errors, such as if the ESP is mounted read-only or if you run out of disk space. You may need to correct such problems manually and re-run the script. In some cases you may need to fall back on manual installation, which gives you better control over details such as which partition to use for installation.</p>
 350
 351 <a name="manual">
 352 <h2>Installing rEFInd Manually</h2>
 353 </a>
 354
 355 <p>Sometimes the <tt>install.sh</tt> script just won't do the job, or you may need to install using an OS that it doesn't support, such as Windows. In these cases, you'll have to install rEFInd the old-fashioned way, using file-copying commands and utilities to add the program to your EFI's boot loader list. I describe how to do this with <a href="#linux">Linux</a>, <a href="#osx">OS X</a>, <a href="#windows">Windows</a>, and <a href="#efishell">the EFI shell.</a></p>
 356
 357 <a name="linux">
 358 <h3>Installing rEFInd Manually Using Linux</h3>
 359 </a>
 360
 361 <p>On a UEFI-based PC, you'll normally install rEFInd to the ESP, which is usually mounted at <tt>/boot/efi</tt>. You can verify that this is the case by using the <tt>df</tt> command:</p>
 362
 363 <pre class="listing">
 364 $ <b>df /boot/efi</b>
 365 Filesystem     1K-blocks  Used Available Use% Mounted on
 366 /dev/sda1         191284 16604    174681   9% /boot/efi
 367 </pre>
 368
 369 <p class="sidebar"><b>Warning:</b> If you're running Linux on a Mac, I recommend you install rEFInd under OS X. The Mac's boot process deviates a bit from EFI standards, so you'll probably have to use a tool called <tt>bless</tt> under Mac OS to do the job. Alternatively, there's a new Linux program, <tt>hfs-bless</tt>, part of the <a href="http://www.codon.org.uk/~mjg59/mactel-boot/"><tt>mactel-boot</tt></a> package, that's supposed to work with <tt>efibootmgr</tt> to make a Mac HFS partition bootable. I've not yet tried it, though. There are also reports that the <tt>efibootmgr</tt> tool used under Linux can corrupt some Macs' firmware. Although I've seen some vague suggestions that this problem has been fixed under 3.<i>x</i> kernels, I haven't tested this claim.</p>
 370
 371 <p>This example shows that <tt>/dev/sda1</tt> is mounted at <tt>/boot/efi</tt>, which is a typical configuration. (The ESP can be on another disk or partition, but <tt>/dev/sda1</tt> is the most common place for an ESP.) If your output shows <tt>/boot</tt> or <tt>/</tt> under the <tt>Mounted on</tt> column, then your ESP isn't mounted. (An exception is if you're mounting the ESP at <tt>/boot</tt>. This is an unusual configuration. If you're using it, you can proceed, making suitable adjustments to subsequent commands.) If you get a <tt>df: `/boot/efi': No such file or directory</tt> error message, then the <tt>/boot/efi</tt> directory doesn't even exist. In such cases, you may need to jump through some extra hoops, as described on my <a href="http://www.rodsbooks.com/efi-bootloaders/installation.html">EFI Boot Loader Installation</a> page.</p>
 372
 373 <p>Assuming the ESP is mounted at <tt>/boot/efi</tt>, you can install the rEFInd files as follows (you must be <tt>root</tt> to issue these commands, or precede each of them with <tt><b>sudo</b></tt>):</p>
 374
 375 <ol>
 376
 377 <li>Type <tt><b>cp -r refind /boot/efi/EFI/</b></tt> from the <tt>refind-<i>version</i></tt> directory in which the <tt>refind</tt> directory exists. This copies all the files that rEFInd needs to work. Note that this includes <i>all</i> of rEFInd's drivers. This command also copies the rEFInd binaries as signed by me; if you prefer to re-sign the binaries yourself, you'll have to do so before or during the copy operation, as described on the <a href="secureboot.html">Managing Secure Boot</a> page.</li>
 378
 379 <li>Type <tt><b>cd /boot/efi/EFI/refind</b></tt> to change into rEFInd's new directory on the ESP.</li>
 380
 381 <li>Type <tt><b>rm refind_ia32.efi</b></tt> to remove the IA32 binary if you're using an <i>x</i>86-64 (64-bit) system; or type <tt><b>rm refind_x64.efi</b></tt> to remove the <i>x</i>86-64 binary if you're using an <i>x</i>86 (32-bit) system. You can optionally rename the binary you keep as <tt>refind.efi</tt>, but this isn't required. (Note that you must keep the version that's the correct bit width for your EFI; if you've installed a 32-bit Linux on a 64-bit PC with a 64-bit EFI, you'd keep <tt>refind_x64.efi</tt>.</li>
 382
 383 <li>Optionally, type <tt class="userinput">rm -r drivers_ia32</tt> to remove the <i>x</i>86 drivers from an <i>x</i>86-64 system, or <tt class="userinput">rm -r drivers_x64</tt> to remove the <i>x</i>86-64 drivers from a 32-bit <i>x</i>86 system. You may also want to remove some or all of the drivers for the architecture you are using. If you don't need them, they'll slow down the start process, and worse, if you're using Secure Boot, rEFInd can load just one shim/MOK-signed driver. See the <a href="drivers.html">page on drivers</a> for more on this topic.</li>
 384
 385 <li>Rename the configuration file by typing <tt><b>mv refind.conf-sample refind.conf</b></tt>. Consult the <a href="configfile.html">Editing the rEFInd Configuration File</a> page for information on how to adjust your options.</li>
 386
 387 <p class="sidebar"><b>Weird:</b> A <a href="http://mjg59.dreamwidth.org/20187.html">bug exists</a> in some Lenovo computers (and perhaps in some others, too) that causes the firmware's boot manager to refuse to boot any boot loader that doesn't have the name <tt>Windows Boot Manager</tt> or <tt>Red Hat Enterprise Linux</tt>. If you have such a system, you must pass one of those names (in quotes) rather than <tt>rEFInd</tt> to <tt>efibootmgr</tt> via its <tt>-L</tt> option. This bug was reported to Lenovo in mid-November 2012, so with any luck updated firmware without this bug will be available later this year or early in 2013. I can make no promises about this, though.</p>
 388
 389 <a name="efibootmgr">
 390 <li>On a UEFI-based system, type <tt><b>efibootmgr -c -l \\EFI\\refind\\refind_x64.efi -L rEFInd</b></tt> to add rEFInd to your EFI's list of available boot loaders, which it stores in NVRAM. Adjust the path to the binary as required if you install somewhere else. You may also need to include additional options if your ESP isn't on <tt>/dev/sda1</tt> or if your configuration is otherwise unusual; consult the <tt>efibootmgr</tt> man page for details. You may need to install this program on some systems; it's a standard part of most distributions' repositories. Also, if you're installing in Secure Boot mode, you must normally register <tt>shim.efi</tt> rather than the rEFInd binary, and rename <tt>refind_x64.efi</tt> to <tt>grubx64.efi</tt>.</li>
 391 </a>
 392
 393 <li>If other boot loaders are already installed, you can use <tt>efibootmgr</tt> to adjust their boot order. For instance, <b><tt>efibootmgr -o 3,7,2</tt></b> sets the firmware to try boot loader #3 first, followed by #7, followed by #2. (The program should have displayed a list of boot loaders when you added yours in the preceding step.) Place rEFInd's number first to set it as the default boot program.</li>
 394
 395 </ol>
 396
 397 <p>Note the use of doubled-up backslashes (<tt>\\</tt>) rather than forward slashes (<tt>/</tt>) in the directory separators when using <tt>efibootmgr</tt>. This command will work on most systems that are already booted into EFI mode; however, it won't work if you're booted in BIOS mode. You may also need to add options if your ESP is in some unusual location or if your system is unusual in some way. Consult the <tt>efibootmgr</tt> man page if you need help.</p>
 398
 399 <p>On some systems, <tt>efibootmgr</tt> won't do what you expect. On such systems, you may have better luck renaming the rEFInd files, as described in the <a href="#naming">Alternative Naming Options</a> section.</p>
 400
 401 <a name="osx">
 402 <h3>Installing rEFInd Manually Using Mac OS X</h3>
 403 </a>
 404
 405 <p>Before installing rEFInd on a Mac, you must determine whether it uses a 32-bit or 64-bit EFI implementation. Most Intel-based Macs have 64-bit EFIs, so you should use the <tt>refind_x64.efi</tt> file with them; but very early Intel-based Macs have 32-bit EFIs (and sometimes 32-bit CPUs), which require the <tt>refind_ia32.efi</tt> file. You can determine whether your Mac needs the <i>x</i>86-64 or IA32 build by typing the following command in a Mac Terminal window:</p>
 406
 407 <pre class="listing">
 408 $ <b>ioreg -l -p IODeviceTree | grep firmware-abi</b>
 409 </pre>
 410
 411 <p>The result should include either <tt>EFI32</tt> or <tt>EFI64</tt>, indicating that you should use the <tt>refind_ia32.efi</tt> or <tt>refind_x64.efi</tt> binary, respectively.</p>
 412
 413 <p class="sidebar"><b>Warning:</b> Numerous rEFIt bug reports indicate disk corruption problems on disks over about 500 GiB. <a href="https://sourceforge.net/tracker/?func=detail&aid=3218104&group_id=161917&atid=821764">This</a> report on the problem, and particularly the post by mic-marchen, suggests that the problem is related to a bug in OS X's <tt>bless</tt> utility, and particularly its <tt>--info</tt> option, that causes it to corrupt data on disks with 4 KiB sectors. These <i>Advanced Format</i> disks are becoming increasingly common, particularly at larger disk sizes. Therefore, I <i>strongly</i> recommend that you <i>not</i> type <tt class="userinput">sudo bless --info</tt> to check the status of your installation if you have such a disk, or even if you suspect you might have such a disk. (I've seen Advanced Format disks as small as 320 GB.)</p>
 414
 415 <p>The procedure for installing rEFInd on a Mac is similar to that for installing it under Linux, except that you can (and probably should) install it to OS X's system partition or some other HFS+ partition rather than to the ESP, and you must use the <tt>bless</tt> utility rather than <tt>efibootmgr</tt>. To be precise, you should follow these steps:</p>
 416
 417 <ol>
 418
 419 <li>Open a Terminal window in which you'll type the following
 420     commands.</li>
 421
 422 <li>If you want to install rEFInd on your ESP, you must first mount it. You
 423     can do this by typing <b><tt>mkdir /Volumes/esp</tt></b> followed by
 424     <b><tt>sudo mount -t msdos /dev/disk0s1 /Volumes/esp</tt></b>. Note
 425     that this step is usually optional, and it makes the procedure a bit
 426     more complex, so you might want to forego it. On the other hand,
 427     installing to the ESP is required if you're using the whole-disk
 428     encryption feature of OS X 10.7. Note that you may need to change
 429     <tt>/dev/disk0s1</tt> to something else if your ESP is at an unusual
 430     location. Use a tool such as my <a
 431     href="http://www.rodsbooks.com/gdisk/">GPT fdisk (<tt>gdisk</tt>)</a>
 432     to examine your partition table to find your ESP if necessary.</li>
 433
 434 <li>Type <b><tt>sudo mkdir -p /efi/refind</tt></b> to create a suitable
 435     directory for rEFInd. If you want to place rEFInd on the ESP or some
 436     other partition, you should adjust the pathname appropriately, as in
 437     <tt>/Volumes/esp/efi/refind</tt>. Alternatively, you can use the Finder
 438     to create the directory.</li>
 439
 440 <li>Copy the files in the <tt>refind</tt> subdirectory of the rEFInd binary
 441     package to the like-named directory you've just created. You can do
 442     this in the Finder or by typing <b><tt>sudo cp -r refind/*
 443     /efi/refind/</tt></b> in your Terminal window after changing into the
 444     rEFInd package's main directory.</li>
 445
 446 <li>Remove the file for the version of rEFInd you're not using, as in
 447     <b><tt>sudo rm /efi/refind/refind_ia32.efi</tt></b> on a Mac with a
 448     64-bit EFI or <b><tt>sudo rm /efi/refind/refind_x64.efi</tt></b> on a
 449     Mac with a 32-bit EFI.</li>
 450
 451 <li>Optionally, remove the drivers directory for the architecture you're
 452     not using&mdash;<tt>/efi/refind/drivers_ia32</tt> or
 453     <tt>/efi/refind/drivers_x64</tt>, as appropriate. You may also want to
 454     remove some or all of the drivers for the architecture you are using;
 455     if you don't need them, they'll slow down the start process. See the <a
 456     href="drivers.html">page on drivers</a> for more on this topic. Note
 457     that Apple's firmware includes its own HFS+ driver, so the HFS+ driver
 458     provided with rEFInd is useless on Macs.</li>
 459
 460 <li>If this is your first installation, type <b><tt>sudo mv
 461     /efi/refind/refind.conf-sample /efi/refind/refind.conf</tt></b>
 462     (adjusting the path as necessary) to rename the sample configuration
 463     file so that it will serve as a real configuration file. (Again, you
 464     can do this with the Finder, if you prefer.)</li>
 465
 466 <li>"Bless" rEFInd by typing one of the following two commands:
 467     <ul>
 468     <li>If you're installing rEFInd to an ordinary HFS+ volume, type <tt
 469         class="userinput">sudo bless --setBoot --folder /efi/refind --file
 470         /efi/refind/refind_x64.efi</tt>. (Adjust the path and filename as
 471         necessary if you're placing rEFInd somewhere else or using the
 472         32-bit version.)</li>
 473     <li>If you're installing rEFInd on the ESP, type <tt
 474         class="userinput">sudo bless --mount /Volumes/esp --setBoot --file
 475         /Volumes/esp/efi/refind/refind_x64.efi</tt>, adjusting the mount
 476         point and exact path to the file as appropriate for your
 477         installation.</li>
 478     </ul>
 479     As per the Warning earlier, <i>do not</i> use <tt>bless</tt>'s
 480     <tt>--info</tt> option to try to confirm the change to the boot status
 481     unless you're certain you do <i>not</i> have an Advanced Format hard
 482     disk.</li>
 483
 484 <li>If you don't want to reboot immediately after installing rEFInd, you
 485     may optionally unmount the ESP by typing <tt class="userinput">sudo
 486     umount /dev/disk0s1</tt> or <tt class="userinput">sudo umount
 487     /Volumes/esp</tt>. This step isn't strictly required, but if you want
 488     to keep the ESP out of your directory tree, it can be useful.</li>
 489
 490 </ol>
 491
 492 <p>When you reboot, your Mac should bring up the rEFInd menu, and should continue to do so thereafter. If you make changes that break this association, you can re-run the <tt>bless</tt> command (if necessary, restoring the rEFInd files first). This might be necessary after installing system updates from Apple or if you upgrade rEFInd to a newer version.</p>
 493
 494 <p>If you're replacing rEFIt, you may discover that rEFInd works on the first boot, but the system reverts back to rEFIt or a direct boot to OS X on the second boot. To fix this problem, you can remove the rEFItBlesser program, which is located at <tt>/Library/StartupItems/rEFItBlesser</tt>. This program attempts to keep rEFIt set as the default boot loader, but it also has the purpose of protecting the computer from launching the wrong OS after waking from sleep. If you want that protection, my suggestion is to install rEFIt and rEFItBlesser and then replace the <tt>refit.efi</tt> file with <tt>refind_x64.efi</tt> or <tt>refind_ia32.efi</tt> (renaming it to <tt>refit.efi</tt>. Used in this way, rEFInd will still look for its own configuration file, <tt>refind.conf</tt>, so you'll need to move it but <i>not</i> rename it. If you don't move the icons from the rEFInd package, your icons will continue to look like rEFIt icons, and you'll be missing the new icons for specific Linux distributions that rEFInd provides. One final caveat: It's conceivable that rEFItBlesser is what's causing filesystem corruption for some users, so if you've been having this problem with rEFIt, it might be worth disabling this program and not using it with rEFInd.</p>
 495
 496 <p>If you want to remove rEFInd from your system, you can delete its files. The Mac will revert to booting using whatever standard boot loader it can find. Alternatively, you can use <tt>bless</tt> to bless another EFI boot loader. The GUI Startup Disk utility in System Preferences provides a simplified interface that enables you to select which OS X installation to boot, but it doesn't look for non-Apple boot loaders, so you can't use it to enable rEFInd.</p>
 497
 498 <a name="windows">
 499 <h3>Installing rEFInd Manually Using Windows</h3>
 500 </a>
 501
 502 <p class="sidebar"><b>Warning:</b> Windows 8 implements a fast shutdown feature that helps speed up shutdown and startup operations on a single-boot computer. Unfortunately, this feature can cause filesystem corruption if it's used on a multi-boot computer. You can disable the feature by launching an Administrator Command Prompt window and typing <tt class="userinput">powercfg /h off</tt> in it.</p>
 503
 504 <p>To install rEFInd under Windows, you must first find a way to access the ESP, which Windows normally hides from view. One way to accomplish this goal, and to proceed forward once the ESP is accessible, is as follows:</p>
 505
 506 <ol>
 507
 508 <li>Locate Command Prompt in the Start menu, right-click it, and select Run as Administrator. This action opens a Command Prompt window with administrative privileges.</li>
 509
 510 <li>Type <b><tt>mountvol S: /S</tt></b> in the Administrator Command Prompt window. This makes the ESP accessible as drive <tt>S:</tt> from that window. (You can use a drive identifier other than <tt>S:</tt> if you like.)</li>
 511
 512 <li>Change into the main rEFInd package directory, so that the <tt>refind</tt> subdirectory is visible when you type <b><tt>dir</tt></b>.</li>
 513
 514 <li>Type <b><tt>xcopy /E refind S:\EFI\refind\</tt></b> to copy the <tt>refind</tt> directory tree to the ESP's <tt>EFI</tt> directory. If you omit the trailing backslash from this command, <tt>xcopy</tt> will ask if you want to create the <tt>refind</tt> directory. Tell it to do so.</li>
 515
 516 <li>Type <b><tt>cd S:</tt></b> to change to the ESP.</li>
 517
 518 <li>Type <b><tt>cd EFI\refind</tt></b> to change into the <tt>refind</tt> subdirectory</li>
 519
 520 <li>Type <b><tt>del refind_ia32.efi</tt></b> to delete the unused 32-bit version of rEFInd. (Windows only supports EFI boots on 64-bit EFI implementations and in 64-bit versions of Windows.)</li>
 521
 522 <li>Optionally type <tt class="userinput">rd /s drivers_ia32</tt> to delete the <tt>drivers_ia32</tt> directory and its contents. You may also want to selectively delete some of the drivers in the <tt>drivers_x64</tt> directory, depending on your needs. Unnecessary drivers may slow the rEFInd start process. See the <a href="drivers.html">page on drivers</a> for more on this topic.</li>
 523
 524 <li>Type <b><tt>rename refind.conf-sample refind.conf</tt></b> to rename rEFInd's configuration file.</li>
 525
 526 <li>Type <b><tt>bcdedit /set {bootmgr} path \EFI\refind\refind_x64.efi</tt></b> to set rEFInd as the default EFI boot program. Note that <tt>{bootmgr}</tt> is entered as such; that's not a notation for a variable.</li>
 527
 528 <li>If you like, type <b><tt>bcdedit /set {bootmgr} description "<i>rEFInd description</i>"</tt></b> to set a description (change <tt><i>rEFInd description</i></tt> as you see fit).</li>
 529
 530 </ol>
 531
 532 <p>At this point, when you reboot, rEFInd should appear as your new default boot program. One caveat: My only EFI Windows installation uses UEFI DUET, which "forgets" its boot options upon reboot. Thus, I'm unable to test the last two steps (which were provided by a helpful user) myself. If it doesn't work for you, you have several other options, such as:</p>
 533
 534 <ul>
 535
 536 <li>You can rename files on the ESP. as described in the next section, <a href="#naming">Alternative Naming Options.</a></li>
 537
 538 <li>You can boot from an optical disc into an emergency OS to do the job. Ubuntu, for instance, provides an EFI-bootable installer with a "try before installation" mode. You'll need to type <b><tt>sudo apt-get install efibootmgr</tt></b> to install <tt>efibootmgr</tt>, but you can then use that program as described <a href="#efibootmgr">earlier</a>. (If you're using Ubuntu, you'll need to precede the command with <b><tt>sudo</tt></b>.</li>
 539
 540 <li>You may be able to use rEFInd's bootable CD image to use rEFInd to boot an OS that's been installed but rendered inoperable because of changes to your boot order. You can then use <tt>efibootmgr</tt>, <tt>bless</tt>, or some other tool to restore rEFInd as the default boot loader.</li>
 541
 542 </ul>
 543
 544 <a name="efishell">
 545 <h3>Installing rEFInd Manually Using an EFI Shell</h3>
 546 </a>
 547
 548 <p>If you can't currently boot any OS (say, because a firmware update has wiped your NVRAM entries), you may find it convenient to install rEFInd using an EFI version 2 shell. Unfortunately, the <tt>bcfg</tt> command described here is not available in the EFI version 1 shell, and the version 2 shell is unusable on many firmware implementations prior to 2.3.1. Thus, this procedure won't work for all systems.</p>
 549
 550 <p>In addition to emergency situations, using <tt>bcfg</tt> can be desirable if <tt>efibootmgr</tt> or other OS-hosted tools don't do the job. This happens under VirtualBox, for instance. An alternative in such cases can be to use <a href="#naming">alternative names for rEFInd.</a></p>
 551
 552 <p>To begin, you must have a way to launch your shell. Unfortunately, this can pose a dilemma, since without rEFInd or some other boot manager, many EFI implementations lack the means to launch a shell. Some will do so, though, if the shell is stored as <tt>shellx64.efi</tt> (for <i>x</i>86-64) or <tt>shellia32.efi</tt> (for <i>x</i>86) in the root directory of the ESP. Thus, you can try copying your shell file there. You can obtain EFI 2 shells here:</p>
 553
 554 <ul>
 555
 556 <li><a href="https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2/ShellBinPkg/UefiShell/X64/Shell.efi"><i>x</i>86-64 (64-bit) shell 2</a></li>
 557
 558 <li><a href="https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2/ShellBinPkg/UefiShell/Ia32/Shell.efi"><i>x</i>86 (32-bit) shell 2</a></li>
 559
 560 </ul>
 561
 562 <p>Note that the shell included in rEFInd's CD-R image version is a version 1 shell, so you can't use it for this purpose. You can, however, copy rEFInd's files from the CD-R. You can even launch the version 1 shell included with rEFInd and then use that to launch a version 2 shell. Once you've booted the shell, you can proceed as follows:</p>
 563
 564 <ol>
 565
 566 <li>If you haven't installed rEFInd previously, unpack its zip file to a
 567     FAT partition. This can be the ESP itself or another partition, such as
 568     a USB flash drive. If you're simply repairing a lost NVRAM entry, you
 569     needn't move your existing rEFInd files.</li>
 570
 571 <li>Identify your filesystems, which are labelled with the form <tt>fs<tt
 572     style="variable">n</tt>:</tt>, as in <tt>fs0:</tt> for the first
 573     filesystem, <tt>fs1:</tt> for the second, and so on. Type the
 574     filesystem number followed by the Enter key to begin using it. You can
 575     then type <tt class="userinput">ls</tt> or <tt
 576     class="userinput">dir</tt> to see the contents of the filesystem.
 577     Chances are your ESP will be <tt>fs0:</tt>, but it could be something
 578     else. (The following steps assume your ESP is <tt>fs0:</tt>; you'll
 579     need to adjust them if it's not.) If rEFInd's source files are on
 580     another device, you must identify it, too.</li>
 581
 582 <p class="sidebar"><b>Note:</b> Skip ahead to step #9 if you're merely re-activating an already-installed rEFInd binary. If an entry exists but it's no longer the primary one, you can skip ahead to step #14.</p>
 583
 584 <li>If necessary, create a directory for rEFInd by typing <tt
 585     class="userinput">mkdir fs0:\EFI\refind</tt>. (If the <tt>fs0:\EFI</tt>
 586     directory doesn't already exist, you must create it first,
 587     though.)</li>
 588
 589 <li>Change to the directory in which rEFInd's files exist.</li>
 590
 591 <li>Type <tt class="userinput">cp refind_x64.efi fs0:\EFI\refind</tt> to
 592     copy the rEFInd binary file. (Adjust the name if you're using a 32-bit
 593     computer.)</li>
 594
 595 <li>Type <tt class="userinput">cp refind.conf-sample
 596     fs0:\EFI\refind\refind.conf</tt> to copy and rename the sample rEFInd
 597     configuration file.</li>
 598
 599 <li>Type <tt class="userinput">cp -r icons fs0:\EFI\refind\</tt> to copy
 600     rEFInd's icons.</li>
 601
 602 <li>Optionally, type <tt class="userinput">cp -r drivers_x64
 603     fs0:\EFI\refind\</tt> to copy rEFInd's 64-bit drivers. (You could
 604     instead copy the 32-bit drivers or limit yourself to just the drivers
 605     you need, of course.)</li>
 606
 607 <li>Type <tt class="userinput">fs0:</tt>, if necessary, to change to the
 608     ESP.</li>
 609
 610 <li>Type <tt class="userinput">cd \EFI\refind</tt> to change to rEFInd's
 611     installation directory.</li>
 612
 613 <li>If you want to edit rEFInd's options, type <tt class="userinput">edit
 614     refind.conf</tt> and use the shell's built-in text editor to do so.
 615     Press F2 followed by the Enter key to save your changes and F3 to
 616     exit.</li>
 617
 618 <li>Type <tt class="userinput">bcfg boot dump -b</tt> to see a list of
 619     existing NVRAM entries. Pay attention to their numbers (labelled
 620     <tt>Option:</tt> and <tt>Variable:</tt>, with the latter number
 621     preceded by the string <tt>Boot</tt>, as in <tt>Boot0007</tt>). You'll
 622     want to create a boot entry for rEFInd using a number that's not in
 623     use.</li>
 624
 625 <li>Type <tt class="userinput">bcfg boot add 3
 626     fs0:\EFI\refind\refind_x64.efi "rEFInd"</tt>, adjusting the number
 627     (<tt>3</tt> in this example), filesystem (<tt>fs0:</tt>), and filename
 628     (<tt>\EFI\refind\refind_x64.efi</tt>) as necessary for your system. If
 629     you're used to Linux, be sure to use backslashes (<tt>\</tt>), not
 630     Linux-style forward slashes (<tt>/</tt>) as directory separators. Note
 631     that some shells may ignore the number you entered and use another one,
 632     so watch for this possibility.</li>
 633
 634 <li>Type <tt class="userinput">bcfg boot mv <i>3</i> 0</tt>, substituting
 635     the option number for the entry you created for <tt
 636     class="variable">3</tt>. This moves rEFInd to the top of the boot
 637     order.</li>
 638
 639 <li>Type <tt class="userinput">reset</tt> to reboot the computer.</li>
 640
 641 </ol>
 642
 643 <p>With any luck, rEFInd will start up at this point. If not, you can check your settings using a shell or an emergency system for your OS of choice. In an EFI shell, you might type <tt class="userinput">bcfg boot dump -b</tt> to view your boot loader entries and verify that rEFInd appears at the top of the list. Be sure to check the pathname for typos. If you continue to have problems, you might look into giving rEFInd a <a href="#naming">fallback filename</a> that your firmware will recognize.</p>
 644
 645 <a name="naming">
 646 <h2>Alternative Naming Options</h2>
 647 </a>
 648
 649 <p>Some EFI implementations do a poor job of honoring the boot options set via Linux's <tt>efibootmgr</tt> or other tools. You may also lack access to such utilities, such as if you must install rEFInd in Windows. In such cases, you may need to change the boot loader's name so that the EFI will see it as the default boot loader. rEFInd should then boot when your NVRAM lacks information on specific boot loaders to use. Broadly speaking, there are two alternative names that are most useful:</p>
 650
 651 <ul>
 652
 653 <li><tt class="userinput">EFI/BOOT/boot<i>arch</i>.efi</tt>&mdash;This name
 654     is the official EFI fallback filename. It's most commonly used on
 655     bootable removable disks, but it can be used on hard disks. It's
 656     typically used only if no NVRAM entry points to a valid boot
 657     loader.</li>
 658
 659 <li><tt class="userinput">EFI/Microsoft/Boot/bootmgfw.efi</tt>&mdash;This
 660     filename has no official special standing in the EFI specification, but
 661     as a practical matter, many EFI implementations use it as a fallback
 662     boot loader in addition to or instead of
 663     <tt>EFI/BOOT/boot<i>arch</i>.efi</tt>. In fact, some give it such a
 664     high precedence that you can't boot anything that's not given this
 665     name!
 666
 667 </ul>
 668
 669 <p>If you need to use one of these names, or something more exotic, you can do so in either of two ways: You can <a href="#mvrefind">use the <tt>mvrefind.sh</tt> script</a> to move your installation in one step, or you can <a href="#manual_renaming">move and rename your files manually.</a></p>
 670
 671 <a name="mvrefind">
 672 <h3>Using <tt>mvrefind.sh</tt></h3>
 673 </a>
 674
 675 <p>The easiest way to move a rEFInd installation, at least in Linux, is to use the <tt>mvrefind.sh</tt> script. If you installed from one of my RPM or Debian packages, this script should be installed in <tt>/usr/sbin</tt>, so you can use it like a regular Linux command; otherwise you'll need to install it to your path yourself or type its complete path. Either way, it works much like the Linux <tt>mv</tt> command, but you pass it the directory in which a rEFInd installation appears and a target location:</p>
 676
 677 <pre class="listing">
 678 # <tt class="userinput">mvrefind.sh /boot/efi/EFI/BOOT /boot/efi/EFI/refind</tt>
 679 </pre>
 680
 681 <p>This example moves rEFInd from <tt>/boot/efi/EFI/BOOT</tt> to <tt>/boot/efi/EFI/refind</tt>. It differs from <tt>mv</tt> in several ways:
 682
 683 <ul>
 684
 685 <li>The script renames rEFInd in a way that's sensitive to its source and
 686     destination directories&mdash;for instance, <tt>mvrefind.sh</tt> knows
 687     that rEFInd (or shim, for Secure Boot installations) must be called
 688     <tt>bootx64.efi</tt> on a 64-bit installation in
 689     <tt>/boot/efi/EFI/BOOT</tt>, so it looks for rEFInd under that name
 690     when copying from this directory, or it renames rEFInd to that name
 691     when copying to it.</li>
 692
 693 <li>The script creates a new NVRAM entry for rEFInd when it copies to any
 694     location but <tt>EFI/BOOT</tt> or <tt>EFI/Microsoft/Boot</tt>. It
 695     refuses to copy to such locations if it's not run from an EFI-mode
 696     boot.</li>
 697
 698 <li>The script knows enough to back up existing boot loaders stored in
 699     <tt>EFI/BOOT</tt> or <tt>EFI/Microsoft/Boot</tt> when copying to these
 700     locations. For the former location, the script backs up
 701     <tt>EFI/BOOT</tt> as <tt>EFI/BOOT-rEFIndBackup</tt>; for the latter, it
 702     moves <tt>EFI/Microsoft/Boot/bootmgfw.efi</tt> to
 703     <tt>EFI/Microsoft/bootmgfw.efi</tt>.</li>
 704
 705 </ul>
 706
 707 <p>The <tt>mvrefind.sh</tt> script is likely to be useful in resolving boot problems&mdash;if your system won't boot, you can try copying the installation to <tt>/boot/efi/EFI/BOOT</tt>, <tt>/boot/efi/EFI/Microsoft/Boot</tt>, and <tt>/boot/efi/EFI/refind</tt> in turn, testing the boot process after each attempt. (These filenames all assume your ESP is mounted at <tt>/boot/efi</tt>.) You could also copy a BIOS-mode install from <tt>/boot/efi/EFI/BOOT</tt> or <tt>/boot/efi/EFI/Microsoft/Boot</tt> to <tt>/boot/efi/EFI/refind</tt> to make it more robust against Windows repairs (assuming your firmware isn't broken).</p>
 708
 709 <a name="manual_renaming">
 710 <h3>Renaming Files Manually</h3>
 711 </a>
 712
 713 <p>Some EFI implementations do a poor job of honoring the boot options set via Linux's <tt>efibootmgr</tt> or other tools. You may also lack access to such utilities, such as if you must install rEFInd in Windows. In such cases, you may need to change the boot loader's name so that the EFI will see it as the default boot loader. rEFInd should then boot when your NVRAM lacks information on specific boot loaders to use. To do this, follow these steps:</p>
 714
 715 <ol>
 716
 717 <li>Access your ESP and install rEFInd to it, as described in earlier sections.</li>
 718
 719 <li>Look for an existing directory called <tt>EFI/BOOT</tt> or <tt>EFI/Microsoft/Boot</tt>. If neither of these directories exist, skip the next step. (Note that FAT is case-insensitive, so the name may vary in case.)</li>
 720
 721 <li>Rename the existing directory or boot loader file to something else. For <tt>EFI/BOOT</tt>, try renaming it to <tt>EFI/Oldboot</tt>. For <tt>EFI/Microsoft/Boot</tt>, move or rename the <tt>bootmgfw.efi</tt> file it contains. For instance, you can move it to <tt>EFI/Microsoft</tt>. This will keep the boot loader accessible to rEFInd's menu, while preventing the firmware from launching it automatically.</li>
 722
 723 <li>Rename/move your <tt>EFI/refind</tt> directory to <tt>EFI/BOOT</tt>. If you're working from <tt>EFI/Microsoft/Boot</tt>, you should move the contents of your rEFInd directory to <tt>EFI/Microsoft/Boot</tt>.</li>
 724
 725 <li>Rename <tt>EFI/BOOT/refind_x64.efi</tt> to the name of the boot loader it's replacing&mdash;it should become <tt>EFI/BOOT/bootx64.efi</tt> or <tt>EFI/Microsoft/Boot/bootmgfw.efi</tt>.</li>
 726
 727 </ol>
 728
 729 <p>When you reboot, rEFInd should come up. With any luck, it will detect your old boot loader as an option, if one was installed before.</p>
 730
 731 <a name="upgrading">
 732 <h2>Upgrading rEFInd</h2>
 733 </a>
 734
 735 <p>If you've installed an earlier version of rEFInd, you can upgrade a bit more easily than you can install directly:</p>
 736
 737 <ul>
 738
 739 <li>On a UEFI-based PC, under any OS, you should be able to replace your
 740     old rEFInd file with the new one. Make sure that the new rEFInd has the
 741     same name as the old one, and that it's for the correct CPU type. Since
 742     UEFI launches boot programs by filename, a simple file replacement will
 743     suffice to launch the new version. If the new version includes new
 744     icons, you may want to copy some or all of them.</li>
 745
 746 <li>On a Mac, you can copy over the old rEFInd binary file <i>from
 747     Linux</i> and it will usually work, provided you copy <i>directly</i>
 748     over the old file (rather than rename or delete the old file and then
 749     copy the new one in its place). The same caveats about icons as apply
 750     to UEFI-based PCs apply in this case. This method requires an extra
 751     step in Mac OS X, though....</li>
 752
 753 <li>In OS X, if you copy over the original file with the new one, you'll
 754     probably have to re-bless it to make it work.</li>
 755
 756 <li>Under Linux or OS X, you can re-run the <tt>install.sh</tt> script. In
 757     most cases this works fine, but you'll end up with a duplicate of the
 758     icons directory (<tt>icons-backup</tt>, which holds the original icons,
 759     whereas <tt>icons</tt> holds the icons from the new package). Normally
 760     this just wastes some disk space; but if you've customized your icons,
 761     you'll need to copy your altered icons back. Since version 0.6.2,
 762     <tt>install.sh</tt> has searched for rEFInd in several locations on the
 763     ESP, and will upgrade whatever it finds.</li>
 764
 765 <li>Under an RPM- or Debian-based Linux distribution, you can use your
 766     package system to install a newer version of the RPM or Debian package
 767     that I provide. This will upgrade the files in your Linux filesystem
 768     and re-run the <tt>install.sh</tt> script, so as with the previous
 769     options, you'll waste a little disk space on duplicated icons, but the
 770     process should otherwise work quite well.</li>
 771
 772 </ul>
 773
 774 <p>In all cases, if the new version includes new or altered configuration file options, you may need to manually update your configuration file. Alternatively, if you've used the default configuration file, you can replace your working <tt>refind.conf</tt> with <tt>refind.conf-sample</tt> from the rEFInd zip file. (When using <tt>install.sh</tt>, this file will be copied to rEFInd's installation directory under its original name, so you can rename it within that directory to replace the old file.</p>
 775
 776 <p>If you're upgrading to rEFInd from rEFIt, you can simply run the <tt>install.sh</tt> script as described earlier or perform a manual installation. Once installed, rEFInd will take over boot manager duties. You'll still be able to launch rEFIt from rEFInd; a rEFIt icon will appear in rEFInd's menu. You can eliminate this option by removing the rEFIt files, which normally reside in <tt>/EFI/refit</tt>.</p>
 777
 778 <a name="addons">
 779 <h2>Installing Additional Components</h2>
 780 </a>
 781
 782 <p>rEFInd includes the ability to launch any EFI program; however, rEFInd detects only certain programs. These include boot loaders in traditional locations and a handful of other programs. To launch these other programs, you must download and install them separately from rEFInd:</p>
 783
 784 <ul>
 785
 786 <li><b><a
 787     href="http://tianocore.git.sourceforge.net/git/gitweb.cgi?p=tianocore/edk2;a=blob_plain;f=EdkShellBinPkg/FullShell/X64/Shell_Full.efi;hb=HEAD"><tt>shell.efi</tt></a></b>&mdash;This
 788     file, placed in the ESP's <tt>efi/tools</tt> directory, adds the
 789     ability to launch a text-mode EFI shell from rEFInd. Note that the
 790     download link is to a 64-bit binary that must be renamed before rEFInd
 791     will recognize it. Additional shell download links appear on the <a
 792     href="https://wiki.archlinux.org/index.php/Unified_Extensible_Firmware_Interface#UEFI_Shell_download_links">Arch
 793     Linux wiki,</a> and on other sites; try a Web search if the shell you
 794     find doesn't work to your satisfaction.</li>
 795
 796 <li><b><tt>gptsync.efi</tt></b>&mdash;This program creates a <a
 797     href="http://www.rodsbooks.com/gdisk/hybrid.html">hybrid MBR</a> from
 798     your regular GPT disk. A hybrid MBR is a dangerous hack that enables
 799     Windows and OS X to coexist on a Macintosh disk. If you're using a
 800     UEFI-based PC, a hybrid MBR will be useless at best, so you shouldn't
 801     create one, and it's safest to not install <tt>gptsync.efi</tt>. If
 802     you're using a hybrid MBR to enable dual-booting Windows and OS X on a
 803     Mac, though, placing this program file in the ESP's or Mac boot
 804     partition's <tt>efi/tools</tt> directory will enable you to regenerate
 805     your hybrid MBR should some other tool convert the MBR to a standard
 806     protective MBR. You can obtain the file from the <a
 807     href="http://refit.sourceforge.net">original rEFIt package.</a></li>
 808
 809 <li><b>Drivers</b>&mdash;You can install drivers to extend the capabilities
 810     of the EFI. rEFInd ships with filesystem drivers for ext2fs and
 811     ReiserFS, which can enable you to boot a Linux kernel with EFI stub
 812     support from an ext2fs, ext3fs, ext4fs, or ReiserFS partition. (rEFInd also
 813     provides ISO-9660 and HFS+ drivers.) You can find additional drivers
 814     from other sources, although they're still on the scarce side. See the
 815     <a href="drivers.html">Using EFI Drivers</a> page for more on this
 816     topic.</li>
 817
 818 <li><b>Secure Boot files</b>&mdash;If you're running on a system that
 819     supports Secure Boot, chances are you'll need extra support files, such
 820     as <tt>shim.efi</tt> and <tt>MokManager.efi</tt>. I describe these in
 821     detail on the <a href="secureboot.html">Managing Secure Boot</a>
 822     page.</li>
 823
 824 </ul>
 825
 826 <p>I've seen links to other versions of these tools from time to time on the Web, so if you try one of these programs and it crashes or behaves strangely, try performing a Web search; you may turn up something that works better for you than the one to which I've linked.</p>
 827
 828 <a name="sluggish">
 829 <h2>Fixing a Sluggish Macintosh Boot</h2>
 830 </a>
 831
 832 <p>I've received a few reports of a sluggish boot process (a delay of about 30 seconds before starting rEFInd) on some Macs after installing rEFInd. I've been unable to replicate this problem myself, and its true cause remains mysterious to me. I have found <a href="http://ubuntuforums.org/showpost.php?p=12256273&postcount=200">a Web forum post</a> describing a possible fix. Be aware, though, that this procedure involves using the <tt>efibootmgr</tt> utility on Macs, which has been known to damage the firmware on some Macs. Other reports indicate that this problem has been fixed with 3.3.0 and later kernels. Thus, I present this information cautiously and with a strong "use at your own risk" warning. If you care to proceed, I recommend you update your Linux kernel to the latest possible version and then proceed as follows:</p>
 833
 834 <ol>
 835
 836 <li>Boot into Linux.</li>
 837
 838 <li>Type <tt class="userinput">efibootmgr</tt> as <tt>root</tt> to obtain a list of your boot loader entries. Each entry includes a boot number, as in <tt>Boot0003</tt> or <tt>Boot0027</tt>.</li>
 839
 840 <li>Remove all of the boot loader entries <i>except</i> rEFInd's by using <tt>efibootmgr</tt>'s <tt>-b <tt class="variable">bootnum</tt></tt> option to specify the boot entry and <tt>-B</tt> to delete it. For instance, typing <tt class="userinput">efibootmgr -b 0027 -B</tt> as <tt>root</tt> deletes boot entry <tt>Boot0027</tt>. Issue a separate <tt>efibootmgr</tt> command for each boot entry.</li>
 841
 842 <li>Re-install rEFInd using the install script. It's unclear from the original post if this meant installing from Linux or from OS X.</li>
 843
 844 </ol>
 845
 846 <p>Some sources suggest that delayed launches of rEFInd on Macs are more common when installing rEFInd to the ESP, so if you've done this, you could try re-installing it to your OS X boot partition.</p>
 847
 848 <a name="uninstalling">
 849 <h2>Uninstalling rEFInd</h2>
 850 </a>
 851
 852 <p>If you decide you don't want to keep rEFInd, you can uninstall it. Doing so is a matter of removing the rEFInd files from your ESP (or from your OS X boot partition, if you installed the program there). In Linux, a command like the following, typed as <tt>root</tt>, should do the trick:</p>
 853
 854 <pre class="listing">
 855 # <tt class="userinput">rm -r /boot/efi/EFI/refind</tt>
 856 </pre>
 857
 858 <p>This example assumes that your ESP is mounted at <tt>/boot/efi</tt> and that rEFInd is installed in <tt>EFI/refind</tt> on that partition. If you've mounted your ESP elsewhere, or installed rEFInd elsewhere, you should adjust the command appropriately.</p>
 859
 860 <p>The same procedure works in OS X, with the caveat that the ESP isn't normally mounted in OS X and rEFInd is installed to the OS X boot partition by default. You'll also need to use <tt>sudo</tt> to acquire <tt>root</tt> privileges. Thus, you'd probably use a command like the following in OS X:</p>
 861
 862 <pre class="listing">
 863 $ <tt class="userinput">sudo rm -r /EFI/refind</tt>
 864 </pre>
 865
 866 <p>Many variants of both of these commands are possible on both OS X and Linux. For instance, you'd probably use <tt>sudo</tt> on Ubuntu; and if you installed rEFInd to your ESP on a Mac, you'd need to first mount the ESP and include its path in the <tt>rm</tt> command.</p>
 867
 868 <p>If you installed via an RPM or Debian package in Linux, using your package manager will remove the package files, but not the files that the installer places on your ESP. Thus, you must uninstall those files manually, as just described. To complete the job, you'll also have to remove <tt>/boot/refind_linux.conf</tt>, and perhaps the <tt>/etc/refind.d</tt> directory.</p>
 869
 870 <p>From Windows, you must reverse the directions for <a href="#windows">installing in Windows</a>&mdash;type <tt class="userinput">mountvol S: /S</tt> to mount your ESP as <tt>S:</tt>, then navigate to the <tt>S:\EFI</tt> directory and delete the <tt>refind</tt> subdirectory.</p>
 871
 872 <p>In any of these cases, when the computer boots and cannot find the rEFInd files, it should move on to the next boot loader in its list. In my experience, some EFI firmware implementations remove boot loaders they can't find from their NVRAM lists, so nothing else will be required, provided you have another working boot loader in your firmware's list. If your firmware doesn't automatically clean up its NVRAM entries, rEFInd's entry will do little harm; however, you can delete it with the <tt>efibootmgr</tt> utility in Linux:</p>
 873
 874 <pre class="listing">
 875 # <tt class="userinput">efibootmgr --verbose</tt>
 876 Timeout: 10 seconds
 877 BootOrder: 0000,0007
 878 Boot0000* rEFInd        HD(2,1b8,64000,f1b7598e-baa8-16ea-4ef6-3ff3b606ac1e)File(\EFI\refind\refind.efi)
 879 Boot0007* CD/DVD Drive  BIOS(3,0,00)PATA: HP DVD Writer 1040r     .
 880 # <tt class="userinput">efibootmgr --delete-bootnum --bootnum 0000</tt>
 881 Timeout: 10 seconds
 882 BootOrder: 0007
 883 Boot0007* CD/DVD Drive</pre>
 884
 885 <p class="sidebar"><b>Warning:</b> As noted earlier, <tt>efibootmgr</tt> has been linked to firmware corruption on some Macs, at least with pre-3.0 Linux kernels. Therefore, I don't recommend using <tt>efibootmgr</tt> on Macs.</p>
 886
 887 <p>This example shows use of <tt>efibootmgr</tt>'s <tt>--verbose</tt> (<tt>-v</tt>) option to display boot loaders so as to identify which one is rEFInd, followed by <tt>--delete-bootnum</tt> (<tt>-B</tt>) to delete a boot program and <tt>--bootnum</tt> (<tt>-b</tt>) to identify which one to delete. Of course, in this example there's not much else left, so you'd presumably want to install another boot loader at this point! If you already have another one installed, you may want to check the <tt>BootOrder</tt> line to determine which one will take precedence when you reboot. If you don't like what it shows, you can adjust it with the <tt>--bootorder</tt> (<tt>-o</tt>) option; consult <tt>efibootmgr</tt>'s <tt>man</tt> page for details.</p>
 888
 889 <p>If you're not using Linux, you may be able to find a utility that serves a similar function. The OS X <tt>bless</tt> utility (or its GUI equivalent, the Startup Disk item in System Preferences) should do the trick; but Macs pick up standard OS X boot loaders when they boot and find that a configured non-standard boot loader is missing, so this shouldn't be necessary on Macs. Under Windows, the <tt>bcdedit</tt> command, described in the <a href="#windows">section on installing rEFInd under Windows,</a> may work, although I've not attempted this.</p>
 890
 891 <hr />
 892
 893 <p>copyright &copy; 2012&ndash;2013 by Roderick W. Smith</p>
 894
 895 <p>This document is licensed under the terms of the <a href="FDL-1.3.txt">GNU Free Documentation License (FDL), version 1.3.</a></p>
 896
 897 <p>If you have problems with or comments about this Web page, please e-mail me at <a href="mailto:rodsmith@rodsbooks.com">rodsmith@rodsbooks.com.</a> Thanks.</p>
 898
 899 <p><a href="index.html">Go to the main rEFInd page</a></p>
 900
 901 <p><a href="using.html">Learn how to use rEFInd</a></p>
 902
 903   <p><a href="http://www.rodsbooks.com/">Return</a> to my main Web page.</p>
 904 </body>
 905 </html>