Prevent Appimage to Access Network

I started to use Cura again to keep moving forward with my RC Car project and one way to use the latest version with Linux Mint is the Appimage.

I prefer when Appimages do not have access to network resources and using firejail seems to be the easiest solution.

1. First, we need to install the package: sudo apt install firejail
2. We add a shortcut to Cinnamon menu:
   1. Right-click on the LM logo
   2. Click on Edit menu
   3. Go to the category where you want to add the shortcut
   4. Click on New Item
   5. The Command line should be: firejail --noprofile --net=none --appimage /home/$USER/Apps/my.app.id

When I open Cura, I do not have access to the marketplace (plugins library), which was the expected behavior.

Resources

• Firejail (firejail.wordpress.com)