D.2.5. Enabling VNC for RHEL, CentOS, or OEL 6.x VMs
If you are using Red Hat Linux version 6, the GDM configuration file is /etc/gdm/custom.conf. This is a split configuration file that contains only
Before making configuration changes, verify that you have a VNC server installed. Login as root on the text CLI in the VM, and run the command rpm
If you see a message saying that one of the packages is not installed, then you may not have selected the graphical desktop options during installation. You will need to install these packages before you can continue. See the appropriate Red Hat Linux x86 Installation Guide for details regarding installing additional software on your VM.
Follow the instructions below to enable graphical console on your RHEL 6.x VMs:
1.Enter the following command to install the inetd service:
# yum install
2.Open the GDM configuration file with your preferred text editor and add the following lines to the appropriate sections:
[security]
DisallowTCP=false
[xdmcp]
Enable=true
3.Create the xinetd.d file, /etc/xinetd.d/vnc-server-stream:
service
{
id | = | ||
disable |
| = no | |
type |
| = UNLISTED | |
port = 5900 |
| ||
socket_type | = stream | ||
wait |
| = no | |
user |
| = nobody | |
group |
| = tty | |
server |
| = | /usr/bin/Xvnc |
server_args | = | ||
}
4.Enter the following command to start the inetd service:
#service xinetd start
5.Open the file, /etc/sysconfig/iptables and add the following line. Note that the line should be added above the line reading,
6.Enter the following command to restart iptables:
#service iptables restart
7.Enter the following command to restart gdm:
#telinit 3
#telinit 5
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