To set a password, type a hard-to-guess password into the Password input box. To set krfb to request access each time, tick Confirm uninvited connections before accepting To configure krfb, go to System Settings > Sharing > Desktop Sharing > Configure.

Because it's highly integrated with KDE, running it in other environments is difficult. Krfb is the default VNC server in Kubuntu. Have x11vnc start automatically via upstart in any environment ( To set x11vnc to only allow local connections, include the -localhost option. To put x11vnc in view-only mode, include the -viewonly option. To set x11vnc to continually listen for connections, include the -forever option. To set x11vnc to only listen for the next connection, include the -once option. To set x11vnc to request access each time when set without a password, include the -nopw -accept popup:0 options. Here a few settings that would be common to adjust depending on your environment: One may execute the following in a terminal: x11vnc -auth guess -forever -loop -noxdamage -repeat -rfbauth /home/USERNAME/.vnc/passwd -rfbport 5900 -shared Password written to: /home/USERNAME/.vnc/passwd Write password to /home/USERNAME/.vnc/passwd? /n y It will respond with: Enter VNC password:

It is helpful to ensure you have uninstalled any other VNC programs first so that they don't interfere with x11vnc.Īs a quick proof of concept to test your connectivity, as per the man page, one may create a password file via: x11vnc -storepasswd It can be started while your computer is still showing a login screen. Also, it facilitates using in a minimal environment, as it has a tcl/tk based GUI. X11vnc is a VNC server that is not dependent on any one particular graphical environment. To allow connections from anywhere, open a terminal and run the command: gsettings reset network-interface To only allow local connections, open a terminal and run the command: gsettings set network-interface lo To put vino in view-only mode, untick Allow other users to control your desktop. To set a password, tick Require the user to enter this password:, and enter a hard-to-guess password. There's no way to set vino to only listen for the next connection.To set vino to request access each time, tick Allow other users to view your desktop in the Remote Desktop configuration window. Have x11vnc start automatically via upstart in any environment ( Preferences > Remote Desktop.

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