Desktop Environment : Configure VNC Server2023/04/24

	Install VNC Server to connect with GUI from remote client computer.
[1]	Install VNC Server.

[root@dlp ~]#

dnf -y install tigervnc-server

[2]	If Firewalld is running, allow VNC service.

[root@dlp ~]#

firewall-cmd --add-service=vnc-server

success
[root@dlp ~]#

firewall-cmd --runtime-to-permanent

success

[3]	Login as a user you would like to configure VNC session.

# set VNC password

[fedora@dlp ~]$

vncpasswd

Password:
Verify:
Would you like to enter a view-only password (y/n)?

[fedora@dlp ~]$

vi ~/.vnc/config

# create new
# session=(display manager you use)
# securitytypes=(security options)
# geometry=(screen resolution)

session=gnome
securitytypes=vncauth,tlsvnc
geometry=800x600

[4]	Configure settings with root privilege and start Systemd Unit.

[root@dlp ~]#

vi /etc/tigervnc/vncserver.users

# add to the end
# specify [:(display number)=(username]
# display number 1 listens port 5901
# display number n + 5900 = listening port

#
# This file assigns users to specific VNC display numbers.
# The syntax is <display>=<username>. E.g.:
#
# :2=andrew
# :3=lisa
:1=fedora
:2=redhat

# start systemd unit

[root@dlp ~]#

systemctl enable --now vncserver@:1 vncserver@:2

[5]

Install VNC Viewer on client computer to connect to VNC server.
This example is based on Windows 11 and UltraVNC.
Download UltraVNC from the site below.

⇒ https://www.uvnc.com/downloads/ultravnc.html

After installing UltraVNC, click [UltraVNC Viewer] to run, then, following window is shown.
Input [(Server's hostname or IP address):(display number)] like following example and then click the [Connect] button.

[6]	VNC password is required to input for authentication.

[7]	If successfully passed authentication, VNC session starts like follows.

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