Tema: btrfs
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Btrfs snapshots and rollback with snapper on SUSE: pre/post pairs, GRUB boot, and cleanup
On a Btrfs root, SUSE's snapper takes a pre/post snapshot pair around every zypper or YaST change, lists them with snapper list, and can either roll the whole system back or boot directly into an old snapshot from the GRUB menu. Old snapshots are cleaned up automatically, but the cleanup policy — not disk size alone — decides how much history is kept.
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Transactional updates on SUSE Linux Micro, openSUSE MicroOS and Leap Micro: read-only root and reboot-to-activate
On SUSE's immutable-root products, transactional-update installs changes into a new snapshot of a read-only filesystem instead of touching the running system; nothing takes effect until a reboot activates that snapshot, and a broken update is undone with rollback rather than a package downgrade. On regular SLES the same mechanism exists but is documented as a technology preview for a read-only root, not the default.
Legible por máquina: JSON