Teaching WIKI
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====== xRDP with xfce4 Configuration ======

RDP (Remote Desktop Protocol) is a proprietary protocol developed by Microsoft which provides a user with a graphical interface to connect to another computer over a network connection. Although RDP uses client-server architecture, the rendering of the graphical environment occurs on the client side and the environment is different from the environment running on the remote computer.

===== Hardware Setup =====

{{:workshops:nvidia_jetson:xavier_nx:setup_remote_desktop.jpg?nolink&600|(Insert image here)
}}

Be sure to connect the following peripherals:
  * Mouse
  * Keyboard
  * Screen (using an HDMI cable)
  * Power Plug (of course)

Turn on the Jetson Xavier NX by pressing the **POWER** button.

Depending on the configuration at the time of installing the operating system, a login screen will appear, or it will automatically log in and skip this.

Once the operating system is ready open the terminal by pressing the key combination **''Ctrl + Alt + T''**, or use the applications menu and search for //Terminal//.

===== Installing the xRDP and xfce4 =====

Make sure all packages are up to date by running the command

<code>sudo apt-get update</code>

Install xRDP.

<code>sudo apt install xrdp</code>

Install xfce4.
<code>sudo apt install xfce4</code>

Comment out the last two lines in the file ''/etc/xrdp/startwm.sh''

<code>sudo gedit /etc/xrdp/startwm.sh</code>

Add the following line

<code>startxfce4</code>

to the file ''/etc/xrdp/startwm.sh''. To open the file type the following command 

<code>sudo gedit /etc/xrdp/startwm.sh</code>

Restart xRDP service.

<code>sudo service xrdp restart</code>

Finally you need the IP address of the system to know it, type in the terminal.

<code>ifconfig</code>

If you will use the remote connection via wifi look for the **wlan0** section and the sequence of numbers after the text **inet**, for example **inet 192.168.56.98**. In case of using it by ethernet look for the **eth0** section, or by usb **usb0**.

This **IP address** and the previously configured **password** will be the necessary data to perform the remote connection.

===== Remote Connection =====

==== Windows ====

In a remote computer with windows is already installed a tool to make remote connections, for that in the start menu look for "Remote Desktop Connection".

A window like this will appear in which you must type the IP address of the Jetson board.

{{:workshops:nvidia_jetson:xavier_nx:xrdp_01.jpg?nolink&600|}}

After entering the IP address a login will appear in which you must enter the user name of your Jetson (in this case ''xavier'') and the password to log in.

{{:workshops:nvidia_jetson:xavier_nx:xrdp_02.jpg?nolink&600|}}

Finally you will see a xfce4 graphical environment.

{{:workshops:nvidia_jetson:xavier_nx:xrdp_03.jpg?nolink&600|}}

==== Ubuntu ====

In ubuntu you can use any RPD client of your choice, in this case an example is shown using **Remmina**.

Add the necessary software repository to the repository list.

<code>sudo add-apt-repository ppa:remmina-ppa-team/remmina-next</code>

Update the repositories list:

<code>sudo apt-get update</code>

Install Remmina:

<code>sudo apt-get install remmina</code>

<code>sudo apt-get install remmina-plugin-*</code>

To open remmina type in the terminal.

<code>remmina</code>

A window like this will appear in which you must enter the IP address of your Jetson board.

{{:workshops:nvidia_jetson:xavier_nx:xrdp_04.jpg?nolink&600|}}

After entering the IP address a login will appear in which you must enter the user name of your Jetson (in this case ''xavier'') and the password to log in.

{{:workshops:nvidia_jetson:xavier_nx:xrdp_02.jpg?nolink&600|}}

Finally you will see a xfce4 graphical environment.

{{:workshops:nvidia_jetson:xavier_nx:xrdp_05.jpg?nolink&600|}}

==== MacOS ====

Like Windows or Linux on MacOS you can use any RDP client of your choice, one recommendation is the [[https://apps.apple.com/de/app/microsoft-remote-desktop/id1295203466?mt=12|Microsoft Remote Desktop]] application.


> **IMPORTANT NOTE: Make sure that the Jetson and the remote computer are connected to the same network, otherwise it will not work.**