If it's an upgrade, it's possible that mysql's root user already had password. Then, this is the way to change password:
mysqladmin -u root -p password your-new-password -- access denied for root in mysql https://bugs.launchpad.net/bugs/71672 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs