Rhel 5.x,6.x VNC Service installation, configuration and use

The VNC server is configured below to enable users (root) to connect remotely to the Linux system's graphical interface via VNC clients (provided your server installs the desktop)
1. Check to see if the Linux system has VNC installed
Rpm-q Vnc-server

"Package Vnc-server is not installed" shows that the VNC server was not installed
If you do not install VNC using the following command

Yum Install Vnc-server

2. Start VNC Service

Vncserver

You'll require a password to access yourdesktops.

Password:

Verify:

Prompts for the password, which is the password required for remote login, enter the password, return

4, switch to root account: Su root and then enter the password of the root account

Vim/etc/sysconfig/vncservers #vnc配置文件

Remove the following two lines of comments.

Vncservers= "1:root" # 1:root (Desktop number: User), configure startup desktop

vncserverargs[2]= "-geometry 1204x768-nolisten tcp-localhost"

800x600 represents the resolution of the desktop

Last Saved exit

5. Restart VNC server

Method One: Etc/init.d/vncserver restart

Method Two: Service Vncserver restart

6, set up VNC server automatically start
Vi/etc/rc.local

Add the following to the file

/etc/init.d/vncserverstart

7, change VNC connection password
vncpasswd


8. Connect Remote Desktop


Use SECURECRT to connect to the target machine.

Execute the iptables–f command,

You can then connect using the VNC viewer

After the remote Desktop is accepted, the reboot firewall will allow the remote VNC connection to be made.

Note: If a gray screen appears after the connection, you can set the following method

Enter User's home directory

Cd/home/user

If you are logged in with the root account, the current directory is the user's root directory.

CD ~/.vnc
VI Xstartup #编辑

#twm & #注释掉这一行

Gnome-session & #添加这一行