This bug could be solved by changing the software source server (Taiwan) to Main server. Therefore I will mark this bug as Invalid, thanks.
** Changed in: openssh (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to openssh in Ubuntu. https://bugs.launchpad.net/bugs/1310439 Title: Unable to install openssh-server on Trusty To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/openssh/+bug/1310439/+subscriptions -- 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