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The_Great_Sephiroth
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PostPosted: Mon Mar 19, 2018 9:55 pm    Post subject: Console over network? Reply with quote

I need some help. I have a server which is DisplayPort only. The best part? It is digital only, so no basic converters work. I want to boot from my USB stick with System Rescue CD on it (Gentoo based) and somehow get video out of the box so I can install Gentooo as a server on the box hosting SMB/NFS shares. Once I can get into the system I can likely just SSH into it, but what are my options for now?
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The_Great_Sephiroth
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PostPosted: Tue Mar 20, 2018 12:29 am    Post subject: Reply with quote

I had an idea which worked. I waited until the system booted to GRUB on the USB stick, pressed down followed by enter (boots to RAM). Once it booted, I found the address. I then carefully typed "passwd newpassword" and then "newpassword". I can now SSH into the live environment!
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szatox
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PostPosted: Tue Mar 20, 2018 12:44 am    Post subject: Reply with quote

One neat trick with servers is that they often come with management interface AKA IPMI.
Once you redirect serial interface to LAN, and start console on /dev/ttyS0 or /dev/ttyS1 you can access it over lan with SOL provided by IPMI. Also, since this redirection happens in hardware, it also allows you to access BIOS. And you can even use it to power on your machine, effectively eliminating need for WoL even in case of machines in remote locations. Good stuff,
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Ant P.
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PostPosted: Tue Mar 20, 2018 5:34 am    Post subject: Reply with quote

Not going to solve your original problem, but it might be of interest anyway:
Code:
busybox conspy

will let you interact with whatever's on the current graphics console sort of like screen/tmux. Handy for getting access to boot spew on a headless server.
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