What is the most stable/safest way to install MariaDB?
For Precise Pangolin 12.04 LTS
For further information see the their download page.
At this moment, MariaDB does not have Oneiric repository, but only Natty (11.04): http://downloads.askmonty.org/mariadb/repositories/
As Oneiric is still in beta, you should wait for the final release, or try using the Natty repository.
For 12.10 Quantal Quetzal
Install the certificates/keys:
Add the PPA:
And install the package:
If you want you can create a custom MariaDB