https://wiki.centos.org/HowTos/VNC-Server https://www.server-world.info/en/note?os=CentOS_6&p=x&f=2
- install vnc-server (tigervnc-server on cenOS 6.8.)
[root@apaternina nfs]# yum install tigervnc-server
Loaded plugins: fastestmirror, refresh-packagekit, security
Setting up Install Process
Loading mirror speeds from cached hostfile
* base: centos.uniminuto.edu
* extras: centos.uniminuto.edu
* updates: centos.uniminuto.edu
Package tigervnc-server-1.1.0-18.el6.x86_64 already installed and latest version
Nothing to do- install vnc client
[root@apaternina nfs]# yum install vnc
Loaded plugins: fastestmirror, refresh-packagekit, security
Setting up Install Process
Loading mirror speeds from cached hostfile
* base: centos.uniminuto.edu
* extras: centos.uniminuto.edu
* updates: centos.uniminuto.edu
Package tigervnc-1.1.0-18.el6.x86_64 already installed and latest version
Nothing to do- Create the VNC users accounts
$ su -
# useradd vnc-user- Edit the server configuration.
vi /etc/sysconfig/vncservers
VNCSERVERS="1:vnc-user"
VNCSERVERARGS[1]="-geometry 640x480"- Set your users' VNC passwords.
[root@apaternina nfs]# su vnc-user
[vnc-user@apaternina nfs]$ vncpasswd
Password:
Verify:
[vnc-user@apaternina nfs]$ cd /home/vnc-user/.vnc/
[vnc-user@apaternina .vnc]$ ls
passwd
[vnc-user@apaternina .vnc]$ exit
exit
[root@apaternina nfs]# - Confirm that the vncserver will start and stop cleanly.
[root@apaternina ~]# service vncserver start
Starting VNC server: 1:vnc-user xauth: (stdin):1: bad display name "apaternina:1" in "add" command
New 'apaternina:1 (vnc-user)' desktop is apaternina:1
Starting applications specified in /home/vnc-user/.vnc/xstartup
Log file is /home/vnc-user/.vnc/apaternina:1.log
[ OK ]
[root@apaternina ~]# service vncserver stop
Shutting down VNC server: 1:vnc-user [ OK ]
[root@apaternina ~]# chkconfig vncserver on- Amend the iptables.
[root@apaternina ~]# vi /etc/sysconfig/iptables
-A INPUT -m state --state NEW -m tcp -p tcp -m multiport --dports 5901:5903,6001:6003 -j ACCEPT- make changes to iptables persistent
[root@apaternina apaternina]# service iptables save
iptables: Saving firewall rules to /etc/sysconfig/iptables:[ OK ]- restart iptables
[root@apaternina ~]# service iptables restart
iptables: Setting chains to policy ACCEPT: filter [ OK ]
iptables: Flushing firewall rules: [ OK ]
iptables: Unloading modules: [ OK ]
iptables: Applying firewall rules: [ OK ]- Start the VNC service.
[root@apaternina ~]# service vncserver start
Starting VNC server: 1:vnc-user xauth: (stdin):1: bad display name "apaternina:1" in "add" command
New 'apaternina:1 (vnc-user)' desktop is apaternina:1
Starting applications specified in /home/vnc-user/.vnc/xstartup
Log file is /home/vnc-user/.vnc/apaternina:1.log
[ OK ]- Test each VNC user.
vncviewer 192.168.56.100:1