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Here we go. I got my laptop, which I want to be accessed from my PC. Both run Ubuntu 20.04. The same private WIFI network is used by both devices. How can I achieve that?

So my goal is to:

  1. Run my PC.
  2. Connect to my laptop with GUI.
  3. Be able to manipulate my laptop from my PC in realtime with benefits of few screens I got attached to my PC and high quality image.
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5
  • Have you tried Remmina which comes with Ubuntu by default?
    – graham
    Nov 7, 2020 at 20:21
  • I am not sure how should I setup it as RDP server, which ports are to be exposed and how would I determine correct IP adress, that can be found by my PC as connection target.
    – Zazaeil
    Nov 7, 2020 at 20:22
  • You find your ip address as outlined in this answer to a similar question.
    – graham
    Nov 8, 2020 at 8:24
  • @User24601, please, be attentive. That question asked not by me.
    – Zazaeil
    Nov 8, 2020 at 17:32
  • 1
    Oups, my bad eyes... sorry!
    – graham
    Nov 8, 2020 at 17:37

1 Answer 1

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RDP is usually notation for Microsoft Windows Remote Desktop.

But you can try VNC.

On the "server" device, the laptop, open Terminal:

sudo apt-get install x11vnc
sudo ufw allow 5900/tcp
x11vnc

Edit: If you get error like XOpenDisplay failed. No -display or DISPLAY. and it fails, try running DISPLAY=:0 x11vnc. Shouldn't be an issue with graphical edition (Desktop), but thought to mention it if someone else trys it in other circumstances.

See more details eg here: https://linuxconfig.org/how-to-share-your-desktop-in-linux-using-x11vnc

To see local IP open Terminal again and type:

ip a

Look for something like inet 192.xxx.xxx.xxx or inet 172.xxx.xxx.xxx (can be 10. as well, but usually its 192.). That's your IP. Also in Terminal try

hostname

That's name of your laptop.

On "client" device, your PC:

sudo apt install tigervnc-viewer

Enter either IP or hostname of your "server" laptop, port 5900 (default), and try connecting.

Also, make sure firewall is setup, that's what "ufw allow 5900/tcp" did, but could be other firewall (unlikely), or local/hardware firewall (also unlikely, but have to mention it).

If that works, you can setup a password and other parameters.

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