💻 BorgBackup

Created before 2022

BorgBackup (Arch Linux)

• borg init --encryption={authenticated,repokey,..} /dir/backupdir

• borg key export /dir/backupdir /dir/backupdirkey

• sudo mount -t ext /dev/sdX

• borg list /dir/archivedir

• mkdir /dir/archivedir

• borg init -e none /dir/archivedir

• sudo borg create --stats --progress -C zlib,6 /dir/archivedir::root_archivename-{now:%-m-%d} /dir/inputfilesystem

• mkdir /dir/archivedir

• sudo dd if=/dev/sdX | borg create --stats --progress -C zlib,6 /dir/archivedir::sdX-{now:%-m-%d}

• su -

• mkdir /mnt/snapshot

• mkdir /mnt/targetfs

• mount -t ext4 /dir/archivedir /mnt/snapshot

• mount -t ext4 /dir/filesystem /mnt/targetfs

• cd /mnt/targetfs

• borg extract --dry-run /mnt/snapshot/dir/archive::archivename-2020-03-09

• borg extract /mnt/snapshot/dir/archive::archivename-2020-03-09

• cd /

• chroot /mnt/targetfs

• echo "UUID=(blkid | grep sdXx(targetfs) | awk -F '"' '{print $2}') /mountpoint ext4 mountpermissions 1 0"

• echo "UUID=(blkid | grep sdXx(snapshot) | awk -F '"' '{print $2}') /mountpoint ext4 mountpermissions 0 0"

• vim /etc/fstab

  /etc/fstab changes if UUID mismatch

• Check to see if the device is mounted first

• borg key import /dir/backupkey

• sudo borg extract \--stdout /dir/archive::my-sdx-2020-03-09 | dd of=/dev/sdx bs=10M

• chroot /dev/sdx

  fstab changes if UUID mismatch

• sudo borg check -v /dir/archive > archive.log

• sudo borg check --repair /dir/archive

• Remove the achive if needed (!)