This is part 3 of Aegir mini-series.
After all your fancy new sites are up and running, you need to maintain them. Aegir itself is a well-built tool to do that of course, but still there are some nifty hints to make one admin happy.
Updating and upgrading code
Aegir offers a very nice feature for updating and upgrading your code. If you are updating, it’s a no-brainer: - just update the code on the server and you are good to go. But when you upgrade, simply create a new platform, give it some nice version number and migrate all your existing sites to this new platform. Aegir will automatically create a database snapshot before the migration takes place so you can revert anytime you discover a problem.
Some helpful notes:
update.php is automatically run
it’s possible to run migrations in bulk, or even migrate the whole existing platform to another one
Running stuff on existing sites