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https://github.com/borgbackup/borg.git
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66 lines
2.7 KiB
Bash
66 lines
2.7 KiB
Bash
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# For the pro users, here are some advanced features of borg, so you can impress your friends. ;)
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# Note: This screencast was made with borg version 1.1.0 – older or newer borg versions may behave differently.
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# First of all, we can use several environment variables for borg.
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# E.g. we do not want to type in our repo path and password again and again…
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export BORG_REPO='/media/backup/borgdemo'
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export BORG_PASSPHRASE='1234'
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# Problem solved, borg will use this automatically… :)
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# We'll use this right away…
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## ADVANCED CREATION ##
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# We can also use some placeholders in our archive name…
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borg create --stats --progress --compression lz4 ::{user}-{now} Wallpaper
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# Notice the backup name.
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# And we can put completely different data, with different backup settings, in our backup. It will be deduplicated, anyway:
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borg create --stats --progress --compression zlib,6 --exclude ~/Downloads/big ::{user}-{now} ~/Downloads
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# Or let's backup a device via STDIN.
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sudo dd if=/dev/loop0 bs=10M | borg create --progress --stats ::specialbackup -
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# Let's continue with some simple things:
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## USEFUL COMMANDS ##
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# You can show some information about an archive. You can even do it without needing to specify the archive name:
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borg info :: --last 1
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# So let's rename our last archive:
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borg rename ::specialbackup backup-block-device
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<up>
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borg info :: --last 1
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# A very important step if you choose keyfile mode (where the keyfile is only saved locally) is to export your keyfile and possibly print it, etc.
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borg key export :: --qr-code file.html # this creates a nice HTML, but when you want something simpler…
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< remove comment >
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< let there: borg check > --paper # this is a "manual input"-only backup (but it is also included in the --qr-code option)
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## MAINTENANCE ##
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# Sometimes backups get broken or we want a regular "checkup" that everything is okay…
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borg check -v ::
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# Next problem: Usually you do not have infinite disk space. So you may need to prune your archive…
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# You can tune this in every detail. See the docs for details. Here only a simple example:
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borg prune --list --keep-last 1 --dry-run
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# When actually executing it in a script, you have to use it without the --dry-run option, of course.
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## RESTORE ##
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# When you want to see the diff between two archives use this command.
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# E.g. what happened between the first two backups?
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borg diff ::backup1 backup2
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# Ah, we added a file, right…
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# There are also other ways to extract the data.
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# E.g. as a tar archive.
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borg export-tar --progress ::backup2 backup.tar.gz
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ls -l
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# You can mount an archive or even the whole repository:
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mkdir /tmp/mount
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borg mount :: /tmp/mount
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ls -la /tmp/mount
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borg umount /tmp/mount
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# That's it, but of course there is more to explore, so have a look at the docs.
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