Linux - HardwareThis forum is for Hardware issues.
Having trouble installing a piece of hardware? Want to know if that peripheral is compatible with Linux?
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If Linux boots up when there is no keyboard/monitor attached then you just need a server running on it to connect across the network. The preferred setup is an SSH server, then you can use an ssh client (built into all modern Linux/Unix and available under GPL for windows) to log into that machine and reboot it when needed.
If the system won't boot then it's probably a BIOS issue, your BIOS should have a setting for, "Halt on" with options like all/none/keyboard. To test this, try booting it with a monitor but no keyboard, if it comes up with something like "keyboard not present, press F1 to continue" (how ironic is that one?!) then the BIOS is the culprit.
I know that my bios is the culprit. Last night I went through it again and it will let me start we no monitor but it requires a keyboard.
What the problem is if that I need to reboot I can type reboot remotely but with out the keyboard the bios will prevent the computer from rebooting so for it to reboot i need to plug in a keyboard and press f1.
search for "halt on all errors" in your bios setup and change it to "halt on all but video/keyboard". Another problem may be if you use some geforce2 video card. These video cards require a monitor plugged to pass their POST. If you have such a card, remove it. I use a serial connection in case i misconfigured network settings.