It looks like from your upgrade log, that the upgrader noticed several config file issues, but was told to overwrite the configs, which indeed could leave your system potentially in a bad state:
https://launchpadlibrarian.net/751262355/DpkgTerminalLog.txt You should probably re-review the before / after versions of each of those config files to see was lost and how to correct your system. Otherwise, I think a reinstallation of the VM may be your best option. If you wish to explain the upgrade process you followed, we may be able to make some suggestions. If your process involved use of tools or documentation provided by DigitalOcean, you may need to work through their support channels. ** Changed in: postfix (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/2081947 Title: package postfix-pgsql 3.8.6-1build2 failed to install/upgrade: installed postfix-pgsql package post-installation script subprocess returned error exit status 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/postfix/+bug/2081947/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs