homelab/active/software_snapper/snapper.md

Snapper

Snapper Installation

We'll be using snapper, a tool for automating and controlling snapshot behavior.

dnf install snapper dnf-plugin-snapper

# Allow selinux management
semanage permissive -a snapperd_t

# Note, if you mess something up you can run snapper -c root delete-config to delete
# System configs are stored in /etc/sysconfig/snapper as well as /etc/snapper
snapper -c root create-config /
snapper -c data create-config /path/to/other/data

# Enable automatic snapshots
systemctl enable --now snapper-timeline.timer
# Enable automatic cleanup
systemctl enable --now snapper-cleanup.timer
# Enable snapshots on boot
systemctl enable --now snapper-boot.timer

Snapper Cleanup

# List snapshots
snapper -c root list
# Create snapshot manually
snapper -c root create --description "test snapshot"
# Delete first snapshot
snapper -c root delete 1
# Delete snapshots between 655-857
snapper -c root delete 655-857  

Note - you probably don't want to keep yearly snapshots. Edit /etc/snapper/configs/root and change TIMELINE_LIMIT_YEARLY= to 0.