= How do I reboot a server via the console? = If a server fails and you are not able to [wiki:secure_shell secure shell] to investigate and fix the problem, the first step is to attempt to access the server via it's dom0 (if the server is a domU). Check our [wiki:server_overview server overview page] to see if the server in question is a domU and if so which dom0 it belongs to. If the server in question is a stand alone server or a dom0 than it should be accessible via the [wiki:telehouse_serial_access serial console]. The console should provide information about the crash. You can reboot the server by using the [http://www.brunolinux.com/01-First_Things_To_Know/Skinny_Elephants.html raising skinny elephants] trick. Since the console is provided via [deb:cereal], you need to use special break characters. The exact sequence is: {{{ ctrl-\-b-r ctrl-\-b-s ctrl-\-b-e ctrl-\-b-i ctrl-\-b-u ctrl-\-b-b }}} After each line you should get confirmation on screen that it was run.