BTW it seems you have a mix of Debian and Ubuntu packages, this is not supported:
Unpacking mysql-client-5.5 (5.5.47-0+deb7u1) over (5.5.47-0ubuntu0.14.04.1) ... ** Changed in: mysql-5.5 (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1575199 Title: package mysql-client-5.5 5.5.49-0ubuntu0.14.04.1 failed to install/upgrade: trying to overwrite '/usr/share/man/man1/mysql.1.gz', which is also in package mysql-client-core-5.5 5.5.47-0ubuntu0.14.04.1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mysql-5.5/+bug/1575199/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs