Tip: Instead of editing syslinux.cfg, you can also temporarily edit the menu during boot. Update the bootloader's configuration fileįor Syslinux, all you need to do is duplicate the current entry, except pointing to a different drive or partition. Remember to use the proper device name and filesystem type. Add one entry for the partition containing the backup like the example here: Without rebooting, edit the backup's fstab by commenting out or removing any existing entries. This section assumes that you backed up the system to another drive or partition, that your current bootloader is working fine, and that you want to boot from the backup as well. If you transferred the system to a different partition or drive and you want to boot it, the process is as simple as updating the backup's /etc/fstab and your bootloader's configuration file. The backup can also be used as a test bed for updates, with the testing repo enabled, etc. Having a bootable backup can be useful in case the filesystem becomes corrupt or if an update breaks the system.
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