--- /dev/null
+#!/bin/bash -e
+
+# Run this at a lower priority to avoid disrupting the rest of the system
+# Exclude other filesystems from the backup. This leaves only the files we
+# want, on the root file system, to back up.
+# Also exclude other large collections of files which we don't care to save.
+
+if [ -f /.backup_running ]; then
+ echo "Backup already running!"
+ exit 1
+fi
+
+touch /.backup_running
+
+ionice -c3 nice -n5 \
+ rdiff-backup \
+ --exclude-other-filesystems \
+ --exclude-sockets \
+ --exclude '/backup' \
+ --exclude '/tmp' \
+ --exclude '/var/cache/apt/archives' \
+ --exclude '/var/log' \
+ / /backup/
+# Remove old backups
+sleep 3600
+ionice -c3 nice -n5 rdiff-backup -v1 --remove-older-than 60D /backup/
+
+rm -f /.backup_running
+
+exit 0
+