1 install vnc server
yum install tigervnc-server
2 add vnc user
useradd vic passwd vic #change password
3 make config file for the specific user
cp /lib/systemd/system/vncserver@.service /etc/systemd/system/vncserver@:1.service
edit the config file
vim /etc/systemd/system/vncserver@:1.service
content of the config file should be
[Service] Type=forking # Clean any existing files in /tmp/.X11-unix environment ExecStartPre=/bin/sh -c '/usr/bin/vncserver -kill %i > /dev/null 2>&1 || :' ExecStart=/sbin/runuser -l vic -c "/usr/bin/vncserver %i" PIDFile=/home/vic/.vnc/%H%i.pid ExecStop=/bin/sh -c '/usr/bin/vncserver -kill %i > /dev/null 2>&1 || :'
4 change filewall settings
firewall-cmd --permanent --zone=public --add-service vnc-server firewall-cmd --reload
5 start the vac server as the specific user
su - srijan
vncserver
6 make vnc server start during boot time
su - systemctl daemon-reload systemctl enable vncserver@:1.service reboot systemctl start vncserver@:1.service