Moonraker
cd ~/moonraker
git pull
Restart Moonraker (sudo service moonraker restart) and open the url http://<printer-ip>:7125/printer/info in your browser.
If you see a content like this
{"result": {"hostname": "voron250", "error_detected": false, "version": "v0.8.0-643-g528f9f25", "is_ready": true, "message": "Printer is ready", "cpu": "4 core ARMv7 Processor rev 4 (v7l)"}}
Update Moonraker dependence
This is only nessasary, if you see missing modules in the moonraker log.
~/moonraker/scripts/install-moonraker.sh -r
Moonraker config changes
If you have issues after update your Moonraker instance, you can check config changes here.