.. _operations-upgrading-osd: =========== Upgrade OSD =========== Charm Upgrades ************** To upgrade the operations code, the Slurm charms, you can follow the example (the order in which charms are upgraded does not matter here): .. code-block:: bash for application in slurmctld \ slurmd \ slurmdbd \ slurmrestd; do juju upgrade-charm $application done Juju will reach out to the Charmhub and pull down the latest charm code (if a more recent revisions exists then what is running on the machine) and run the ``upgrade-charm`` hook event.