[CentOS] Re: new install of 5.1 with KVM-over-IP - can't install with GUI - need assistance

Scott Silva ssilva at sgvwater.com
Mon Jun 9 16:33:36 UTC 2008

on 6-7-2008 8:06 AM Alon spake the following:
> Hi All,
> I have several dozens of CentOS and WhiteBox servers.
> Most of them are CentOS 4.6.
> Our installation service is done in the datacenter where the servers are 
> located.
> When we install a fresh clean install, we use the GUI menus, while using 
> the KVMoverIP.
> That was working great with CentOS 4.x
> In CentOS 5.x, the installation process 'annonces" that "Hey,. I know 
> you are using a KVM and don't have a monitor attached"   (who cares??).
> But, "since  you are using a KVM and no monitor is attached,. you CANNOT 
> use the GUI installation".
> Why???
> 4.x didn't care for this.
> Why make my life difficult?
> I have to 'cheat' by calling the datacenter to plug a monitor for the 
> first minute of the install and then plug back the KVM cable.
> Isn't this stupid? of course it is!
> I am looking for a solution such as a parameter that I can pass to the 
> boot sequence (vga=nommconf or something like that) so that it won't do 
> the probing for the VGA and just let me go about my business.
> Mind you that this is a problem both with DELL PowerEdge 1950iii with 
> DRAC5 remote consule as well as with just plain PCs that use ATEN KVM 9116.
> Once the probe understand that we don't use a monitor it prompts the 
> 'can't use the GUI'.
> Any pointers about this?
> Thanks,
> -Sup.
I believe there is a "headless" parameter you can use. I have used it for VNC 
installs. It might work for you.

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