For a configuration files (among others) to be recreated at reinstall the original package need to be purge. The file /etc/mysql/my.cnf belong to the package mysql-common. Hence you want to purge the package mysql- common and then reinstall.
Does that help? ** Changed in: mysql-dfsg-5.0 (Ubuntu) Status: New => Incomplete -- package mysql-server-5.0 5.1.30really5.0.75-0ubuntu10.2 failed to install/upgrade: my.cnf was missing https://bugs.launchpad.net/bugs/437600 You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to mysql-dfsg-5.0 in ubuntu. -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs