# cp /lib/systemd/system/vncserver@.service /etc/systemd/system/vncserver@:1.service

- 이렇게 하면 5901포트로 접속하게된다.

# vi /etc/systemd/system/vncserver@:3.service

[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 theko -c "/usr/bin/vncserver %i"
PIDFile=/home/theko/.vnc/%H%i.pid
ExecStop=/bin/sh -c '/usr/bin/vncserver -kill %i > /dev/null 2>&1 || :'

[Install]
WantedBy=multi-user.target

# firewall-cmd --permanent --zone=public --add-port=5903/tcp
success
# firewall-cmd --reload
success
#

# su - theko   / 사용할 유저로 로그인후 

$ vncpasswd   / vncpasswd 로 설정을 해줘야합니다. 안하면 아래와 같이 에러가나옴..

-----------------------------------------------------------------

Jul 02 11:31:03 theko-RHEL runuser[11622]: You will require a password to access your desktops.

Jul 02 11:31:03 theko-RHEL runuser[11622]: getpassword error: Inappropriate ioctl for device

Jul 02 11:31:03 theko-RHEL runuser[11622]: pam_unix(runuser-l:session): session closed for user theko

[root@~]# systemctl daemon-reload
[root@~]# systemctl start vncserver@:1.service
[root@~]# systemctl enable vncserver@:1.service
ln -s '/etc/systemd/system/vncserver@:1.service' '/etc/systemd/system/multi-user.target.wants/vncserver@:1.service'
[root@~]#