Ubuntu Linux Fast FIX without restarting computer for OBS: Failed to open NVENC codec after suspend.
Fast and easy fix for the OBS studio NVENC codec problem when you return from suspend and OBS studio complains that it cannot open the NVENC codec.
1. Close OBS
2. Open up a terminal and run $: sudo rmmod nvidia_uvm && sudo modprobe nvidia_uvm
3. Enter password
4. Start OBS
5. Profit!