I have recently tried to update my Cent OS web server with YUM update which was interrupted. This caused some issues and took there server offline. See the following question for details of this: kernel-firmware is a duplicate with kernel-firmware Cent OS YUM
I have fully resolved these issues now but I am still unable to access the server and the only way of doing so is using rescue mode to mount the drive and chroot into the mount. When I ping the server IP address it just timeouts.
The server is a virtual machine at rackspace cloud. I have tried to update iptables to ensure the firewall isn't blocking connections but when trying to save with sudo service iptables save I get the following error: Opening /proc/modules: No such file or directory.
Where do I go from here to get the server back online?