CentOS 8 headless installation

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vcba79
Posts: 31
Joined: 2015/12/21 09:36:06

CentOS 8 headless installation

Post by vcba79 » 2019/12/06 08:24:52

Hello, Everyone

I just installed a centos 8 box using usb as media and a nvidia mx440 adapter installed during installation process.
After verified network configuration is ok, I remove mx440 adapter and move this box to another room. Now
this centos box cannot be accessed using putty. If I put mx440 adpater back on this box and move it to the same room.
putty access is fine.

During boot, I saw a lot of hard drive activity. Why a centos network access will depend on a graphic adpater? How
can I configure a headless CentOS 8 installation properly?

thx,

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TrevorH
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Posts: 33219
Joined: 2009/09/24 10:40:56
Location: Brighton, UK

Re: CentOS 8 headless installation

Post by TrevorH » 2019/12/06 09:45:22

Are you sure it has anything to do with CentOS? Many consumer machines will not boot at all without a graphics adapter installed and will sit at the BIOS, beeping merrily to tell you so.
The future appears to be RHEL or Debian. I think I'm going Debian.
Info for USB installs on http://wiki.centos.org/HowTos/InstallFromUSBkey
CentOS 5 and 6 are deadest, do not use them.
Use the FAQ Luke

vcba79
Posts: 31
Joined: 2015/12/21 09:36:06

Re: CentOS 8 headless installation

Post by vcba79 » 2019/12/06 11:16:49

Thanks for your reply.

This box was a centos 7 installation via pxe boot previously. After network configuration, I remove graphic adapter and
this box work as server normally for several years.

Days ago, I decide to install a whole new CentOS 8 on it. And this time, I was unable to connect to it if graphic adapter
removed. mx440 is a pcie adapter and I trid to use a cheap pci graphic adapter to replace it. CentOS wont buy it. I saw
a lot of hard drive activity but can not figure out why network can not connect.

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