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Brooks Computing Systems - Jacksonville
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Mainframes, Desktops & Web Sites
Check disks and mounts:
lsblk -f mount | grep '^/dev' df -hT
Example:
/dev/nvme0n1p2 ext4 /
Recommended:
rsync -aAXHv --exclude={"/dev/*","/proc/*","/sys/*","/tmp/*","/run/*","/mnt/*","/media/*","/lost+found"} / /mnt/backup
Alternative backup tools:
- tar
- borg
- restic
- clonezilla
- Gentoo Minimal ISO
- SystemRescue
- Arch ISO
WARNING: destroys existing filesystem.
mkfs.btrfs -f /dev/nvme0n1p2
Optional label:
mkfs.btrfs -L gentoo -f /dev/nvme0n1p2
btrfs subvolume create /mnt/gentoo/@ btrfs subvolume create /mnt/gentoo/@home btrfs subvolume create /mnt/gentoo/@var btrfs subvolume create /mnt/gentoo/@snapshots
rsync -aAXHv \
--exclude={"/dev/*","/proc/*","/sys/*","/tmp/*","/run/*","/mnt/*","/media/*","/lost+found"} \
/ /mnt/gentoo
emerge --ask sys-fs/btrfs-progs
UUID=xxxx / btrfs subvol=@,compress=zstd,noatime 0 0 UUID=xxxx /home btrfs subvol=@home,compress=zstd,noatime 0 0 UUID=xxxx /var btrfs subvol=@var,compress=zstd,noatime 0 0 UUID=xxxx /.snapshots btrfs subvol=@snapshots,compress=zstd,noatime 0 0
blkid
grub-install /dev/nvme0n1 grub-mkconfig -o /boot/grub/grub.cfg
mount | grep btrfs btrfs subvolume list /