[SOLVED] Resolving issue with misconfiguration of vncserver .

vinay45 · 03-14-2015, 07:04 PM

hi
i was configuring vncserver on centos7 vps which didn't have a desktop environment.i followed all the conventional steps following a tutorial online.
I doubted which user name i must replace the

Code:

<user>

field in the vncserver file,i replaced it with root which was the login name for the ssh.
But after exiting the vi editor which was daunting task i missed out this command

Code:

su - root
vncserver

.
After all completing all the other steps i used VNC VIEWER to login but i wouldn't happen.Then tried several time copying and editing the vnc file which resulted in creating more users.here is a screen shot of the putty after several attempts to resolve the issue:

please give advice on removing the misconfiguration to configure vncserver correctly

T3RM1NVT0R · 03-16-2015, 08:39 AM

From the screenshot that you shared you have configured vnc for the user vinay, did you do vncpasswd <vinay>? What are the contents of /etc/sysconfig/vncservers file?

Also, paste the output of:

Code:

netstat -ptan | grep LIST | grep -i vnc

vinay45 · 03-17-2015, 10:08 AM

ran these commands as i referred contos centoswiki site,though this is not the best way to resolve the issue:

Code:

yum groupremove gnome-desktop

Code:

reboot

Then checked if vnc server by command:

Code:

rpm -q vnc-server

If not installed then :

Code:

yum install vnc-server

then configure vnc server,this is not real way to do it anyway there is some more professional way.
please tell me more about it,could be helpful in the future
Here is the output of the command "netstat -ptan | grep LIST | grep -i vnc":

Code:

[root@vinay ~]# netstat -ptan | grep LIST | grep -i vnc
tcp        0      0 0.0.0.0:5905            0.0.0.0:*               LISTEN      1225/Xvnc
tcp        0      0 0.0.0.0:6005            0.0.0.0:*               LISTEN      1225/Xvnc
tcp6       0      0 :::6005                 :::*                    LISTEN      1225/Xvnc
[root@vinay ~]# ^C

T3RM1NVT0R · 03-17-2015, 10:55 AM

First of all why would you remove gnome-desktop? You configure VNC because you want to access server in GUI mode, so I am not sure which document you were following which asked you to remove gnome-desktop.

From the netstat output I can see that it is using port 5905 and 6005. You have to open those ports on your router. Make sure if you have local firewall running then you open ports there as well.

vinay45 · 03-18-2015, 10:12 AM

i was not following any document i just did it by my self.
it doesn't seem that the firewall is running how do i turn it on.

T3RM1NVT0R · 03-18-2015, 10:37 AM

Why would you remove gnome-desktop if you want to access the VM via VNC because if you don't want GUI you can access the server using ssh.

Anyways, how you are trying to access the VM. I mean are trying to access the VM using VNC within the intranet or you are trying to access it over the internet.

If you are trying to access it within the intranet (within the same subnet) then you only need to check the local firewall. YOu can check that using:

Code:

service iptables status

If the output says stopped you are good to go else you have to permit port 5905 and 6005 in your local firewall.

If you are trying to access over internet or within intranet but different subnet / network then you have to check if router is configured to allow the traffic on port 5905 and 6005.

vinay45 · 03-23-2015, 05:17 AM

i am accessing it over internet,i removed gnome desktop as i thought that would remove all the misconfiguration.
so i could reconfigure it.