Here’s how to root the LG G-Slate in Linux:
1. Download lggslateroot.zip and unzip. Download lggslateroot.zip
2. Open up a terminal in Linux.
3. Turn off your LG G-Slate and connect it to your computer via USB cable.
4. Next, press both Power Button and Volume buttons together for about 5 seconds. You won’t get anything but your LG G-Slate will go into APX mode.
5. Type “lsusb” and you should get something like “