This article describes how to update the NVR appliance's operating system via (CLI).
NOTES & REQUIREMENTS:
It is recommended to perform this update before updating the UniFi Video service.
Table of Contents
Using the command line interface (CLI) we will trigger a package refresh which will update any currently installed system software. This system administration task is needed to include any security updates or related fixes which may have been published after the deployment of the NVR appliance. Follow the steps below to perform the update.
How to Update the NVR OS
1. Open a shell session (SSH) to the NVR appliance with this command:
2. Enter the following commands:
apt-get update && apt-get upgrade -y && apt-get dist-upgrade -y && apt-get autoremove -y && apt-get autoclean && apt-get clean
This is what each command does:
apt-get update: retrieves a new list of software packages from the Debian repository
apt-get upgrade -y: downloads and installs all updated software and automatically answers yes to all questions
apt-get dist-upgrade -y: installs a new UNIX kernel (when available) and automatically answers yes to all questions
apt-get autoremove -y: removes any unused software packages and automatically answers yes to all questions
apt-get autoclean: deletes any old software archive files from previous apt-get sessions
apt-get cleandeletes: any downloaded software archive files from previous apt-get sessions
User Tip: Simply running the following is sufficient most of the time:
The remaining commands are a more robust approach to basic system administration. The base operating system used by the NVR appliance is Debian 7 (Wheezy).