Indeed it is. You should never skip an LTS (12.04, 14.04, etc.), but it's quite ok to go from one LTS directly to next LTS.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1341188 Title: package ubuntu-docs 12.04.6 failed to install/upgrade: ErrorMessage: package ubuntu-docs is already installed and configured To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-docs/+bug/1341188/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs