[CentOS] wiki - vnc -gerald and walsh, update?

Johnny Hughes johnny at centos.org
Fri Mar 23 02:04:26 EDT 2012

On 03/23/2012 12:01 AM, Bob Hoffman wrote:
> On 3/22/2012 11:03 PM, Bob Hoffman wrote:
>> On 3/22/2012 10:26 PM, Bob Hoffman wrote:
>>> To GeraldClark and PjWelsh,
>>> I have centos 6 and used your guide to get it going with vnc.
>>> First of all thanks for putting that up, so many techs told me I did not
>>> have to install a desktop to make it work and they were so wrong.
>>> http://wiki.centos.org/HowTos/VNC-Server
>> so this is what I did in centos 6 tonight to make it work for me...
>> as root
>> yum install tigervnc-server
>> ran vncpasswd, added a password
>> /etc/sysconfig/vncservers, uncommented line 18 and 19, added root
>> started and stopped, service vncserver start / stop
>> opened port 5902 in iptables, restarted iptables
>> |INPUT -m state --state NEW -m tcp -p tcp --dport 5902 -j ACCEPT
>> service vncserver start
>> downloaded tigervnc from source forge
>> download putty
>> in putty I made a saved session called 'vnc to my server'
>> went to connections, ssh, tunnels in putty explorer
>> added source port, 5902
>> destination I put in localhost:5902
>> click add
>> then save the whole session (go back to session page)
>> open a putty session (click open), making sure it was my vnc session
>> logged into server
>> opened tigervnc
>> put in localhost:5902 and hit ok.
>> I was in like flynn...
>> awesome. so much faster than ipmi
> AS a last addition.
> I added this to my existing system too. It has many virtual machines.
> I had the error " Starting VNC server: 2:root A VNC server is already 
> running as :2"
> after many reinstalls and many attempts and seeing 1,000s of posts from 
> people freaking out, I took the initiative and thought that libvirt was 
> conflicting. I changed the number to 8 in the /sysconfig/vncserver 
> file....and then it worked easily.
> Not sure what will happen if you select 2, 3, etc....and then add some 
> virtual machines. I see conflicts ahead.

Let me recommend to you that you try to run spice instead of VNC ...
especially if you care about sound:


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