Snap

Links

• How to manage Ubuntu Snaps: the stuff no one tells you
• Snap command examples

HOWTO

Check if snap services running

snap services | grep active

List snaps

snap list

Totally remove snap

• How to Remove Snap Packages in Ubuntu Linux

Managing updates

https://snapcraft.io/docs/keeping-snaps-up-to-date

Update snaps

snap refresh

Backups

Backup snaps

snap save

will save snaps to /var/lib/snapd/snapshots/

Logs

snap logs nextcloud

Clean up olders snaps

https://www.debugpoint.com/clean-up-snap/

Show saved snapshots

snap saved

Remove snapshots

snap forget 11

tar: 29929/mysql/ib_logfile0: file changed as we read it

better find another way to backup up mysql snap

FAQ

Where are the snap backups stored?

/var/lib/snapd/snapshots

cannot refresh snap "snapd": snap has no updates available

Probably not an error at all.