This guide is for installing VNC-Server on the servers installed with Ubuntu/Debian OS

1. Log in to the server as root

2. Run the following commands:

apt-get update

apt-get install gnome-core xfce4 firefox

apt-get install vnc4server

You need to create positive that you just ar mistreatment solely vnc-server and no alternative VNC-server installations were gift within the server as this might provide errors within the future largely that writing board sharing between the host Ubuntu Server and vnc-client machine. you'll be able to check it mistreatment the subsequent command:

root@vnctest ~ # dpkg -l | grep vnc

ii  vnc4server                                            4.2.3+xorg4.3.0-37ubuntu5                           amd64        Virtual network computing server software

root@vnctest ~ #

Please uninstall if TightVNC or any other installations there. 

3. Once the above packages are fully installed, we need to add a normal user for using VNC

useradd jack

You need to use your own username here.

Then use the following command:

su - jack

vncserver

Put a password for the vnc user there and verify the same.

4. We need to copy the original file and create a new configuration file as shown below:

cp ~/.vnc/xstartup ~/.vnc/xstartup.bak

> ~/.vnc/xstartup

vi ~/.vnc/xstartup

5. Edit the file as below:

#!/bin/sh unset SESSION_MANAGER unset DBUS_SESSION_BUS_ADDRESS startxfce4 & [ -x /etc/vnc/xstartup ] && exec /etc/vnc/xstartup [ -r $HOME/.Xresources ] && xrdb $HOME/.Xresources xsetroot -solid grey vncconfig -iconic &

6. There will be some issues with the gnome-vnc session so we need to kill the present vnc session as below:

# vncserver -kill :1

7. Then we need to make a startup script:

su 

vi /etc/init.d/vncserver

and paste the following:

#!/bin/bash unset VNCSERVERARGS VNCSERVERS="" [ -f /etc/vncserver/vncservers.conf ] && . /etc/vncserver/vncservers.conf prog=$"VNC server" start() { . /lib/lsb/init-functions REQ_USER=$2 echo -n $"Starting $prog: " ulimit -S -c 0 >/dev/null 2>&1 RETVAL=0 for display in ${VNCSERVERS} do export USER="${display##*:}" if test -z "${REQ_USER}" -o "${REQ_USER}" == ${USER} ; then echo -n "${display} " unset BASH_ENV ENV DISP="${display%%:*}" export VNCUSERARGS="${VNCSERVERARGS[${DISP}]}" su ${USER} -c "cd ~${USER} && [ -f .vnc/passwd ] && vncserver :${DISP} ${VNCUSERARGS}" fi done } stop() { . /lib/lsb/init-functions REQ_USER=$2 echo -n $"Shutting down VNCServer: " for display in ${VNCSERVERS} do export USER="${display##*:}" if test -z "${REQ_USER}" -o "${REQ_USER}" == ${USER} ; then echo -n "${display} " unset BASH_ENV ENV export USER="${display##*:}" su ${USER} -c "vncserver -kill :${display%%:*}" >/dev/null 2>&1 fi done echo -e "\n" echo "VNCServer Stopped" } case "$1" in start) start $@ ;; stop) stop $@ ;; restart|reload) stop $@ sleep 3 start $@ ;; condrestart) if [ -f /var/lock/subsys/vncserver ]; then stop $@ sleep 3 start $@ fi ;; status) status Xvnc ;; *) echo $"Usage: $0 {start|stop|restart|condrestart|status}" exit 1 esac

Then we need to make it executable:

chmod +x /etc/init.d/vncserver

8. We need to create a configuration file for VNC:

mkdir -p /etc/vncserver

vi /etc/vncserver/vncservers.conf

Paste the following:

VNCSERVERS="1:jack" VNCSERVERARGS[1]="-geometry 1024x768"

9. If you need to make it started after the reboot automatically, a startup script needed to be written on the rc.d like below:

update-rc.d vncserver defaults 99

root@server1:~# update-rc.d vncserver defaults 99 Adding system startup for /etc/init.d/vncserver ... /etc/rc0.d/K99vncserver -> ../init.d/vncserver /etc/rc1.d/K99vncserver -> ../init.d/vncserver /etc/rc6.d/K99vncserver -> ../init.d/vncserver /etc/rc2.d/S99vncserver -> ../init.d/vncserver /etc/rc3.d/S99vncserver -> ../init.d/vncserver /etc/rc4.d/S99vncserver -> ../init.d/vncserver /etc/rc5.d/S99vncserver -> ../init.d/vncserver

 10. Reboot the server.