[CentOS] Re: Install via VNC

Scott Silva ssilva at sgvwater.com
Thu Sep 25 19:43:53 UTC 2008


on 9-25-2008 12:31 PM Robert Moskowitz spake the following:
> First try did not work....
> 
> dnk wrote:
>> On 24/09/08 8:27 AM, "Robert Moskowitz" 
>> <rgm at htt-consult.com> wrote:
>>
>>  
>>> http://wiki.centos.org/TipsAndTricks/VncHeadlessInstall
>>>
>>> Only thing I don't know how to do is have vncviewer in 'listen' mode.
>>>     
>>
>> I am the one that wrote that wiki article. How to put the client into 
>> listen
>> mode depends on which VNC client you are using, and on what platform.
> Building the CD was relatively easy. BTW, if you copy the Centos 5.2 
> 1of6 iso image to a system with gnome, Nautlius 'open with Archive 
> Manager' makes it trivial to extract all the files from the image. The 
> rest of your build instructions were easy to follow. I am using:
> 
> kernel vmlinuz vnc vncconnect=1.2.3.5 headless ip=dhcp ksdevice=eth0 
> method=http://me.htt-consult.com/centos/5.2/os/i386 lang=en_US keymap=us
> 

Change the above to ;
kernel vmlinuz (crlf)
append initrd=initrd.img ramdisk_size=8192 upgradeany vnc vncconnect=1.2.3.5 
headless ip=dhcp ksdevice=eth0 
method=http://me.htt-consult.com/centos/5.2/os/i386 lang=en_US keymap=us
(with the append line being one line)
You can leave out the upgradeany command, it has been in there for a long time 
and I don't do upgrades very often.

> above is all one long line....
> 
> For my setup. Where the real IP address I am using is what I got from 
> ifconfig on my notebook.
> 
> 
> 
> I have 'vncviewer -listen' running in a terminal window on my Centos 
> notebook, and it reports to be listenting on port 5500. 'iptables -L' 
> reports ACCEPT for fcp-addr-srvr1 (which google tells me is port 5500), 
> and I have opened port 5500 within my Intranet.
> 
> Boot from CD (there is actually a screen on my OQO, but at only 800x480, 
> I would not know if there was something at the bottom of the display) 
> and I watch it start up and proceed all the way to the Centos5 X screen 
> and sit there. Nothing on the client. Guess I am going to have to open a 
> monitor port on the switch the OQO is plugged into and watch with 
> tcpdump to see if anything is actually happening.
> 
> 
> hmmm, for the 'heck of it', I pressed <altN> and the install took off. 
> Asked me what language and such I wanted (the 'standard' two dialog 
> windows). The third <alt-N> brought me to Disk Druid. That kernel line 
> is NOT working quite right. It is clear the changes to the first two 
> lines 'took':
> 
> prompt 0
> timeout 0
> 
> As the install did not wait for any command line input. So what is wrong 
> with that kernel line? I editted isolinux.cfg with gedit, and I just 
> looked at the file on the iso build server with vi and it shows that as 
> all one line. What is wrong here? Should I break out wireshark, or is 
> there a problem with:
> 
> 
> kernel vmlinuz vnc vncconnect=1.2.3.5 headless ip=dhcp ksdevice=eth0 
> method=http://me.htt-consult.com/centos/5.2/os/i386 lang=en_US keymap=us
> 
> where 1.2.3.5 is really the IP address of my client system. and 
> me.htt-consult.com replace with the fqdn of my repo server (this works 
> just fine with a 'linux askmethod').
If you are going to do a remote install source, just use the netboot cd image. 
It is much smaller, and doesn't have to deal with the media check.

I do installs like this all the time on headless servers in my site.



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