Timeshift will take care of things like reinstalling the bootloader and other details. Using Timeshift you can simply restore the last week’s snapshot to get your Xubuntu system back. You install Linux Mint on your system and try it out for a week before deciding to go back to Xubuntu. Let’s say you are currently using Xubuntu and decide to try out Linux Mint. You can also Timeshift across distributions.Restoring backups from the running system requires a reboot to complete the restore process.If the main system is not bootable, then it is possible to boot from an Ubuntu Live CD, install Timeshift on the live system, and restore a snapshot on the main system.Snapshots can be restored either from the running system (online restore) or from another system that has Timeshift installed on it (offline restore).Snapshots can be restored by selecting a snapshot from the main window and clicking Restore button on the toolbar.The snapshot location will have a set of folders for each backup level (“Monthly”, “Daily”, etc) with symbolic links pointing to the actual snapshots tagged with the level. Each snapshot will have only one copy on disk and is tagged as “daily”, “monthly”, etc. Timeshift avoids this wastage by using tags for maintaining backup levels. The duplicated directory structure can take up as much as 100 MB of space. Creating a hard-linked copy may seem like a good idea but it is still a waste of disk space, since only files can be hard-linked and not directories. Applications like rsnapshot rotate a snapshot to the next level by creating a hard-linked copy.By running once every hour and creating snapshots when due, Timeshift ensures that backups are not missed. Scheduling snapshots at a fixed time on such users will result in missed backups since the system may not be running when the snapshot is scheduled to run. This is more suitable for desktop users who keep their laptops and desktops switched on for few hours daily.
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