Update and Rollback

Upgrade

Yocto

The update of the Yocto version of SEAPATH uses software update. The update process is described on the Ansible repository.

Debian

The apt package tool is used to upgrade the system. You can use the rollback to avoid loss of the system (more details in the below section).

Update the database of available packages, with their version:

apt update

Upgrade the system with the new version of packages:

apt upgrade --yes

Upgrade the system with new version of Debian and remove useless packages:

apt dist-upgrade --yes apt autoremove --yes --purge

Rollback

As mentioned here, the root partition is on LVM disk. With this configuration, it can be saved by a LVM snapshot.

With snapshots, the partition can be rollback in the stable state with this command:

Otherwise, the snapshot can be removed with these commands:

More details here.

Troubleshooting
Can't create a snapshot with old name

If you don't reboot the machine, the lvcreate command believes the name is always used. To remove it, you need to launch this command:

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