Can you please give me the output of sudo passwd -S postgres grep postgres /etc/passwd
after installation, and the following command as well? sudo adduser --debug --system systest After this, please do sudo deluser --remove-home systest to clean up again. ** Package changed: postgresql-common (Ubuntu) => shadow (Ubuntu) ** Changed in: shadow (Ubuntu) Status: New => Incomplete ** Summary changed: - package postgresql-common 106ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1 + adduser creates expired system user -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/735341 Title: adduser creates expired system user -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs