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How to backup Gentoo correctly?
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pingtoo
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Joined: 10 Sep 2021
Posts: 1185
Location: Richmond Hill, Canada

PostPosted: Wed Oct 16, 2024 2:33 pm    Post subject: Reply with quote

idrk wrote:
so, is using Catalyst software any better than using this command provided by archwiki:
Code:
# rsync -aAXHv --exclude='/dev/*' --exclude='/proc/*' --exclude='/sys/*' --exclude='/tmp/*' --exclude='/run/*' --exclude='/mnt/*' --exclude='/media/*' --exclude='/lost+found/' / /path/to/backup

and doing compression and stuff manually


Not sure which "Catalyst software" you are reference to. But if you refer to dev-util/catalyst. I think it is not what you looking for a backup tool. It can be thinking as way of backup for system packages. but it will not backup user data. And it will try to rebuild entire system packages.
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psycho
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Joined: 22 Jun 2007
Posts: 542
Location: New Zealand

PostPosted: Thu Oct 17, 2024 12:51 am    Post subject: Reply with quote

I keep data (stuff I created and can't easily recreate) and settings (stuff that's technically part of the system rather than my user data, but could involve lots of work to restore, e.g. kernel configs and so on) regularly backed up but don't really care about all the files that can simply be downloaded again or rebuilt: I basically rely on having plenty of hosts to take care of that (i.e. I can backup and restore a full system using fsarchiver or whatever, if necessary, in about five minutes so as long as there are a few systems around it's really only user data and key config files I bother backing up).

I'm aware that I should probably be using BTRFS snapshots or whatever but rsync with the data (to a backup on a NAS) is quick and easy and has worked for years so I've never felt motivated enough to switch from ext4.
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