How to Install and Configure TigerVNC on Arch Linux

TigerVNC is an application that allows users to be able to interact with graphical applications on remote machines. TigerVNC is an implementation of Virtual Network Computing (VNC), which utilizes a client/server model.The level of performance provided by TigerVNC is capable of running 3D applications and playing video games. On the site of security, TigerVNC has support for TLS encryption and other advanced authentication methods. In this guide, we'll look at Installing and configuration of tigervnc on Arch Linux 2018.01.01.

TigerVNC Components

Since TigerVNC is a client-server application, let's look at client and server applications that are installed on your Operating system when you setup TigerVNC.

Server Side components


Xvnc - This is the VNC and X Server for TigerVNC.
vncserver - This is a wrapper script used for managing starting of Xvnc daemon
vncpasswd - When VNC authentication is enabled, vncpasswd is responsible for VNC server password management.
vncconfig - Used to interact with a running instance of Xvnc
x0vncserver - This is a demonstration of a simple VNC server, it polls any X display continuously so that VNC can control it

TigerVNC Client side

Any version of TigerVNC applications comes with a cross-platform TigerVNC Viewer. This connects to the VNC server allowing you to interact with a remote desktop being displayed by the VNC server. vncviewer can be used to connect to a VNC server running on any platform ( Linux, Unix or Windows )

Installing tigervnc on Arch (release - 2018.01.01)

TigerVNC can be installed on Arch downloading the binary package from community repository an installing it. If you do a search of tigervnc, you'll get output like:

$ sudo pacman -Ss tigervnc
community/tigervnc 1.8.0-3
Suite of VNC servers and clients. Based on the VNC 4 branch of TightVNC.

To install TigerVNC package, run:

$  sudo pacman -S tigervnc --noconfirm

The installation of this package provides the requisite vncserver, x0vncserver and also vncviewer.

Configuring TigerVNC

It is good to note that Vncserver provides two major remote control abilities:

  1. Virtual Server running in headless mode with virtual console
  2. Direct control of physical local X sessions,

Running vncserver

When you run vncserver for the first time, it will initialize vncserver environment, generate vncserver configuration, and add passwords for user authentication. This is achieved by running the command:

$ vncserver

You will require a password to access your desktops.

Would you like to enter a view-only password (y/n)? n
New ' (jmutai)' desktop is
Creating default startup script /home/jmutai/.vnc/xstartup
Creating default config /home/jmutai/.vnc/config
Starting applications specified in /home/jmutai/.vnc/xstartup
Log file is /home/jmutai/.vnc/

This will prompt you to enter the password used to access your desktops, enter and verify. If you would like to set a view-only password, please press on the next prompt.

As seen from the output, generated configuration will be stored under ~/.vnc/config and startup script is generated and stored in ~/.vnc/xstartup. All logs from vncserver will be stored in the file ~/.vnc/hostname:1.log. 

The :1 signifies TCP port number on which the virtual vncserver is running. In this case, :1 is actually TCP port 5901 (5900+1). If another instance of vncserver is started, it will run on the next highest that's free, i.e 5902 (5900+2) which shall end in :2 as above. There is no limit on the number of VNC servers that can be started on Linux, memory is the only limiting factor.

Editing the environment file

~/.vnc/xstartup functions like .xinitrc  and it's sourced by vncserver when being started. At a minimum, users should start a DE from this file. As an example, to start i3wm, you'll modify the file to:

$ cat ~/.vnc/xstartup

exec i3 &>/dev/null

The file should be executable:

$ chmod +x ~/.vnc/xstartup

Stopping vncserver

To stop vncserver, use the command:

$ vncserver -kill :1

Replace :1 with relevance instance number given when you started it.

Adding vncserver options

Supported server options can be added by editing the file ~/.vnc/config. The common options are:

$ cat ~/.vnc/config


Modify them to your liking and save.

Starting and stopping vncserver via systemd

To control vncserver with systemd, first, create systemd unit file for the user,

$ cat /etc/systemd/system/[email protected]:1.service

Description=Remote desktop service (VNC)

ExecStartPre=/bin/sh -c '/usr/bin/vncserver -kill %i > /dev/null 2>&1 || :'
ExecStart=/usr/bin/vncserver %i -geometry 1440x900 -alwaysshared -fg
ExecStop=/usr/bin/vncserver -kill %i


where :1 is the $DISPLAY environment variable. Replace jmutai with the desired username and 1440x900 with the resolution you want to set.

To start the service, run

$ sudo systemctl start [email protected]:1.service

To enable it to run at boot time, run:

$ sudo systemctl enable [email protected]:1.service

Controlling local display with vncserver

For this purpose, x0vncserver binary is provided which allows direct control over a physical X session. Invoke it like so:

$ x0vncserver -display :0 -passwordfile ~/.vnc/passwd

Wed Jan 10 01:07:17 2018
Geometry: Desktop geometry is set to 1920x1080+0+0
Main: XTest extension present - version 2.2
Main: Listening on port 5900

systemd unit for the same will look like:

$ cat /etc/systemd/system/x0vncserver.service

Description=Remote desktop service (VNC)

ExecStart=/usr/bin/sh -c '/usr/bin/x0vncserver -display :0 -rfbport 5900 -passwordfile /home/jmutai/.vnc/passwd &'


Connecting to vncserver

Any number of clients can connect to a vncserver:

$  ip ad show dev wlp1s0
2: wlp1s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
 link/ether e4:a7:a0:ef:27:d9 brd ff:ff:ff:ff:ff:ff
 inet brd scope global dynamic noprefixroute wlp1s0
 valid_lft 595575sec preferred_lft 595575sec
 inet6 fe80::557e:6563:6f86:f8b2/64 scope link noprefixroute 
 valid_lft forever preferred_lft forever

$ vncviewer

Enter the IP address and click connect, next you'll get a prompt asking for a password, use previously set.

Installing GUI-based clients for tigervnc on Arch

A number of GUI applications are available to connect to vncserver, they include:


$ sudo pacman -S krdc

When you launch krdc, enter the IP address of the vcn server on url and connect:

tigervnc on Arch


$ sudo pacman -S rdesktop


$ sudo pacman -S remmina

To use any of these GUI based applications, launch it and provide needed details.

Josphat Mutai 1:44 am

About Josphat Mutai

Red Hat Certified Engineer with more than 2 years experience managing critical Cloud Infrastructures and Services. Passionate about Technology and loves testing and reviewing gadgets and Open-source tools.

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