I noticed that similar problems were present in the Debian package. https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=985043
Maybe you should upgrade the package to 4.4.6-3 or 4.4.6-4 ** Bug watch added: Debian Bug tracker #985043 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=985043 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1924996 Title: package nagios4-common 4.4.6-2 failed to install/upgrade: installed nagios4-common package post-installation script subprocess returned error exit status 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nagios4/+bug/1924996/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs