Remote Desktop

Remote Desktop.sh

####################
1. Install Xrdp
####################
# x remote desktop protocol: for rdp connection
sudo apt install xrdp

# now try connect to the server using rdp tools like windows mstsc or mobaxterm
# then xrdp will create xrdp.ini and sesman.ini in /etc/xrdp
# when we login we will get a blank desktop

####################
2. Config Desktop
####################
# using gnome desktop with hub when start x session
# default config can be found in /usr/share/xsession/xxx.destop Exec=
echo "GNOME_SHELL_SESSION_MODE=ubuntu gnome-session" >> ~/.xsession

# Other desktop environment: installed frist (such as vanilla-gnome-desktop)
# startlxde
# startxfce4
# startkde
# gnome-session

####################
3. Use Xorg
####################
# only 1 Xorg session can be established, for the main user
# xorg for xrdp: start xorg server for xrdp session
sudo apt install xorgxrdp

# log in an xorg session will bring you into the ubuntu desktop

####################
4. Use XVnc
####################
# multiuser
# install tigervnc or vnc4server
sudo apt install tigervnc-common tigervnc-standalone-server

# reboot and connect to the server using Xvnc session

####################
4. Use Vino
####################
# active ubuntu root vncserver vino 
gsettings set org.gnome.Vino network-interface lo # only for local
gsettings reset org.gnome.Vino network-interface # for anywhere
# GUI settings-sharing-screen sharing-on, then set a password

# set require-encryption false for some situation
gsettings set org.gnome.Vino require-encryption false

# edit xrdp.ini
sudo nano /etc/xrdp/xrdp.ini
# add a session for xrdp
[Vino]
name=Vino
lib=libvnc.so
username=na
password=ask
ip=127.0.0.1
port=5900

####################
5. Xorg + X11Vnc
####################
sudo apt install x11vnc

# set a password
x11vnc -storepasswd

# start x11vnc in a x session
x11vnc -auth guess -forever -loop -noxdamage -repeat -rfbauth /home/USERNAME/.vnc/passwd -rfbport 5910 -shared

# now connect to the 5910 port using vnc-any session in xrdp

# config x11vnc automatically start

####################
6. Check Xsession
####################
ps aux | grep X

####################
Reference
####################
https://devblogs.nvidia.com/linking-opengl-server-side-rendering/
https://devblogs.nvidia.com/egl-eye-opengl-visualization-without-x-server/
https://wayland.freedesktop.org/