Invalid MIT-MAGIC-COOKIE-1 key 12:14:26 XOpenDisplay(“:0”) failed.How How to in insta stall ll VN VNC C server server on Ubun buntu Serv Server er 12.04 12.04 « Laz Lazy y Geek Geek -:) Then I enter the command ‘x11vnc -safer -localhost -nopw -once -display :0’ I get the x11vnc -safer -localhost -nopw -once -display :0 When I try logging into putty as an ssh tunnel things get tricky. Putty can still login the linux box using ipaddress, 22. I enable UFW with port 22 open on the linux box.
With the firewall down on the linux box my windows box can login using VNC Connect by RealVNC using the Ipaddress and port 5900 (insecure no encryption). I am running ubuntu 20.04.3 on a RasPi 4B I have installed MATE desktop (desktopify) using lightdm. Resubmitted with an attempt at using markup I hope this looks better. Now you can access Ubuntu PC remotely via SSH. Type localhost::5902 for VNC server and press Connect.įinish. Now leave the PuTTY window, then run TightVNC / RealVNC Viewer. Make sure there is no error message when you run the above command. $ x11vnc -safer -localhost -nopw -once -display :0 Type in Ubuntu login name and password in PuTTY window, and then type the following line in Ubuntu shell: Go back to Session section of PuTTY, type Ubuntu IP Address for Host Name (or IP address), and type 22 for Port, then click Open. In Tunnels section of PuTTy, type 5902 for Source port, and type localhost:5900 for Destination, then click Add.
Run PuTTY and go to PuTTY configuration window: Connection > SSH > Tunnels. In Windows PC, download and install: PuTTY, TightVNC / RealVNC.
Make sure your firewall allowed incoming connection on port 22. $ sudo apt-get install x11vnc openssh-server In Ubuntu PC, install x11vnc and openssh-server: This is how to create VNC tunnel via SSH. VNC is a protocol that allows a desktop to be viewed and controlled remotely over the Internet.
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