I am getting the same issue on a fresh installation of 8.04. I pasted what I get after running an apt-get upgrade since the install failed.
Setting up nagios2-common (2.11-1ubuntu1.2) ... Not replacing deleted config file /etc/nagios2/apache2.conf Not replacing deleted config file /etc/nagios2/conf.d/host-gateway_nagios2.cfg include file /etc/nagios2/apache2.conf does not exist! dpkg: error processing nagios2-common (--configure): subprocess post-installation script returned error exit status 1 dpkg: dependency problems prevent configuration of nagios2: nagios2 depends on nagios2-common (= 2.11-1ubuntu1.2); however: Package nagios2-common is not configured yet. dpkg: error processing nagios2 (--configure): dependency problems - leaving unconfigured Errors were encountered while processing: nagios2-common nagios2 E: Sub-process /usr/bin/dpkg returned an error code (1) -- package nagios2-common 2.9-1 failed to upgrade: https://bugs.launchpad.net/bugs/220208 You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to nagios2 in ubuntu. -- 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