Install VNC Server on CentOS 7

VNC with Default desktop [Recommended]

Refer to:  

• Install and Configure VNC Server in CentOS 7 and RHEL 7 
  

## install vncserver
yum install tigervnc-server xorg-x11-fonts-Type1

## copy vnc systemc config file, :3 is an example, other number can be used
cp /lib/systemd/system/[email protected] /etc/systemd/system/vncserver@:3.service

## replace  with a user name
grep USER /lib/systemd/system/[email protected]
# 2. Replace  with the actual user name and edit vncserver
ExecStart=/usr/bin/vncserver_wrapper  %i

## change into 
# su - 
## run below command to set user's vnc password 
$ vncserver

VNC with XFCE 

Refer to 

• How to Install and Configure VNC Server on CentOS 7
• Using putty to portforward and encryption
• 
  

Beware xstartup file requires to unset variables SESSION_MANAGER and DBUS_SESSION_BUS_ADDRESS as below describles.

--------- Install necessary packages in root ------
  881  yum -y install epel-release
  883  yum groupinstall "Xfce" -y
  884  yum -y install tigervnc-server tigervnc-server-minimal
  885  history
--------- login to normal user ------------
	 # su - user
	1  ls
	## set password
    2  vncserver
    3  cd ~/.vnc/
    4  vncserver -list

       cp /etc/X11/Xresources ~/.Xresources

    5  cp xstartup{,.bak}
	## EDIT xstartup as below
    7  cat xstartup
#!/bin/bash

unset SESSION_MANAGER
unset DBUS_SESSION_BUS_ADDRESS

xrdb $HOME/.Xresources
startxfce4 &

For Ubuntu 16.04: How to Install and Configure VNC on Ubuntu 16.04 

For Ubuntu 18.04: How to Install and Configure VNC on Ubuntu 18.04