For Ubuntu-16.04-Desktop-Server
-------------------------------------------------------------
# cat /usr/share/lightdm/lightdm.conf.d/50-ubuntu.conf
[SeatDefaults]
user-session=ubuntu
xserver-allow-tcp=true
greeter-show-remote-login=true
allow-guest=false
[XDMCPServer]
enabled=true
port=177
#
# reboot
# netstat -aun|grep 177
For Ubuntu-14.04-Desktop-Server
-------------------------------------------------------------
# cat /usr/share/lightdm/lightdm.conf.d/50-ubuntu.conf
[SeatDefaults]
user-session=ubuntu
xserver-allow-tcp=true
greeter-show-remote-login=true
[XDMCPServer]
enabled=true
port=177
#
# reboot
# netstat -aun|grep 177
For Ubuntu-12.04-Desktop
----------------------------------------------------
# vi /etc/lightdm/lightdm.conf
[SeatDefaults]
user-session=ubuntu
greeter-session=unity-greeter
allow-guest=false
[XDMCPServer]
enabled=true
#
# reboot
# netstat -aun|grep 177
For Xubuntu-14.04-Desktop-Server
--------------------------------------------------------------
# cat /etc/lightdm/lightdm.conf.d/10-xubuntu.conf
[SeatDefaults]
user-session=xubuntu
xserver-allow-tcp=true
greeter-show-remote-login=true
[XDMCPServer]
enabled=true
port=177
#
# reboot
# netstat -aun|grep 177
On Client
================
Install Remmina/TSClient , and connect using GUI
# apt-get install remmina-*
# remmina
--->New
Profile
Name ---> XDMCP-Server
Protocol ---> XDMCP - X Remote Session
Basic
Server ---> 192.168.1.200:1
Resolution ---> Use Client Res
Clolor Depth ---> Default
OR using Command
# apt install xserver-xephyr
# Xephyr :1 -query 192.168.1.200 -geometry 1366x768
# Xephyr -query 192.168.1.200 :1 -screen 1200x600
# Xephyr -query 192.168.1.200 :1 -fullscreen
# Xnest :1 -query 192.168.1.200
# X :1 -listen tcp -query 192.168.1.200
Xnet-GUI-Client
--------------------------------
ServerName ---> :1 (Use PortNumber Only)
Options ---> 192.168.1.209 -listen tcp
-------------------------------------------------------------
# cat /usr/share/lightdm/lightdm.conf.d/50-ubuntu.conf
[SeatDefaults]
user-session=ubuntu
xserver-allow-tcp=true
greeter-show-remote-login=true
allow-guest=false
[XDMCPServer]
enabled=true
port=177
#
# reboot
# netstat -aun|grep 177
For Ubuntu-14.04-Desktop-Server
-------------------------------------------------------------
# cat /usr/share/lightdm/lightdm.conf.d/50-ubuntu.conf
[SeatDefaults]
user-session=ubuntu
xserver-allow-tcp=true
greeter-show-remote-login=true
[XDMCPServer]
enabled=true
port=177
#
# reboot
# netstat -aun|grep 177
For Ubuntu-12.04-Desktop
----------------------------------------------------
# vi /etc/lightdm/lightdm.conf
[SeatDefaults]
user-session=ubuntu
greeter-session=unity-greeter
allow-guest=false
[XDMCPServer]
enabled=true
#
# reboot
# netstat -aun|grep 177
For Xubuntu-14.04-Desktop-Server
--------------------------------------------------------------
# cat /etc/lightdm/lightdm.conf.d/10-xubuntu.conf
[SeatDefaults]
user-session=xubuntu
xserver-allow-tcp=true
greeter-show-remote-login=true
[XDMCPServer]
enabled=true
port=177
#
# reboot
# netstat -aun|grep 177
On Client
================
Install Remmina/TSClient , and connect using GUI
# apt-get install remmina-*
# remmina
--->New
Profile
Name ---> XDMCP-Server
Protocol ---> XDMCP - X Remote Session
Basic
Server ---> 192.168.1.200:1
Resolution ---> Use Client Res
Clolor Depth ---> Default
OR using Command
# apt install xserver-xephyr
# Xephyr :1 -query 192.168.1.200 -geometry 1366x768
# Xephyr -query 192.168.1.200 :1 -screen 1200x600
# Xephyr -query 192.168.1.200 :1 -fullscreen
# Xnest :1 -query 192.168.1.200
# X :1 -listen tcp -query 192.168.1.200
Xnet-GUI-Client
--------------------------------
ServerName ---> :1 (Use PortNumber Only)
Options ---> 192.168.1.209 -listen tcp