A much easier fix to this button is to add www-data to the nagios group. I did it by editing /etc/group and added www-data to the line starting with nagios.
I restarted apache, and the error is gone. -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to nagios3 in Ubuntu. https://bugs.launchpad.net/bugs/387069 Title: incorrect filesystem permissions prevent nagios command checking from working To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nagios3/+bug/387069/+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