All you need to do to upgrade your Content Store (including any plug-ins that you have installed from apt / rpm packages) is:

  1. Read the release notes for your planned upgrades (both Content Store and plug-ins). Make a note of any special tasks that need to be carried out in connection with the upgrades. Some changes, for example, require you to run a database upgrade script after the upgrade.

  2. Log in as root on your assembly-host and on each of your engine-hosts, and enter the following commands:

    # apt-get update
    # apt-get upgrade
  3. Carry out any required upgrade tasks. For general information about how to carry out a database upgrade should that be necessary, see: Database Upgrades.