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zerophase
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PostPosted: Sat May 08, 2021 2:48 pm    Post subject: Is there a means of installing on a headless system? Reply with quote

I'm building a mining machine, and think Gentoo is probably best for that. Only problem is I don't have enough lanes for a gpu. Are there any means of doing a headless install?

Do I just need to turn options on on the livecd before plugging it into the new machine?
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turtles
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PostPosted: Sat May 08, 2021 5:40 pm    Post subject: Reply with quote

It does not have a HDMI or VGA connector on the board?
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NeddySeagoon
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PostPosted: Sat May 08, 2021 8:06 pm    Post subject: Reply with quote

zerophase,

The easiest way is to install a graphics card, just for the build.
You will need to change the BIOS settings anyway and the only way to do that without an IPMI console is to use the real console.
Most systems won't boot (by default) with no GPU detected.

You can use a serial console, if you have a real RS-232 serial port. That won't help with the BIOS setting.
There is also a network console. I know it exists but I've never used it.
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libfab
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PostPosted: Sun May 09, 2021 12:05 am    Post subject: Re: Is there a means of installing on a headless system? Reply with quote

zerophase wrote:
I'm building a mining machine, and think Gentoo is probably best for that. Only problem is I don't have enough lanes for a gpu. Are there any means of doing a headless install?

Do I just need to turn options on on the livecd before plugging it into the new machine?


You did not mention your CPU model. If you are on AMD64, then it could be an interesting use case for an MKG install (see: https://forums.gentoo.org/viewtopic-t-1134951.html), with the acknowledged caveats and limitations of this install method. Currently I am routinely installing Gentoo headlessly using MKG, yet my platforms do have GPUs, so I cannot vouch for it in your particular case.
This said, as NeddySeagoon wrote, issues may pop up later on at boot time, when the kernel looks for a missing GPU. If this causes a crash, then you may try adjusting the Kernel configuration file in the MKG source directory (file .config at the root) and replace all 'm' and 'y' configuration values with a comment
Code:
#... is not set
in the Graphics section that starts as follows:
Code:

#
# Graphics support
#
CONFIG_AGP=y
CONFIG_AGP_AMD64=y
CONFIG_AGP_INTEL=y
CONFIG_AGP_SIS=m
...


(And also further down for ARM and some DRM config values, possibly _VGA_ values too if this alone does not work). While I am not saying this will work, I will give it a try if you are OK to give me more details on your platform configuration.
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zerophase
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PostPosted: Sun May 09, 2021 2:11 am    Post subject: Reply with quote

turtles wrote:
It does not have a HDMI or VGA connector on the board?


HEDT system. I think they put extra cores on in place of the graphics module. I am looking into server and workstation boards, as my board might not support 22 nvme drives, and 25 HDD drives.
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figueroa
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PostPosted: Sun May 09, 2021 2:49 am    Post subject: Reply with quote

Build the system somewhere else, then create a tarball of the installed system (stage4) to unpack onto the target machine.
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zerophase
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PostPosted: Sun May 16, 2021 10:04 am    Post subject: Reply with quote

Going to end up having a gpu. By the time I can take advantage of all of the PCIe slots, I'll already have the system setup for remote management. I'll just pull the GPU when needed. Time to figure out how to write from NVME drives to HDDs as fast as possible.
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