Sounds like you have another upgrade or package installation running somewhere else - that's basically the only way the debconf database can be locked like this.
-- during postfix installation i am getting "debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process" https://bugs.launchpad.net/bugs/300108 You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to postfix 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