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apt update
apt upgrade |
Rollback
As mentioned here, the root partition is in LVM disk. With this configuration, it can be save by a LVM snapshot.
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lvcreate -L SIZE -s -n SNAPSHOT_NAME /dev/VOLUME_GROUP/DISK_NAME |
With snapshots, the partition can be rollback in the stable state with this command:
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lvconvert --merge /dev/VOLUME_GROUP/SNAPSHOT_NAME |
Otherwise, the snapshot can be remove with these commands:
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lvremove /dev/VOLUME_GROUP/SNAPSHOT_NAME |
More details here.
Troubleshooting
Can't create a snapshot with old name
If you don't resboot the machine, the lvcreate command believes the name is always used. To remove it, you need to launch this command:
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vgchange --refresh |
Supervision
VM Backups
Node replacement