How to set up automatic security updates for Ubuntu

Aug 31, 2020

#How To#Security#Server
How to set up automatic security updates for Ubuntu

The Linux server security is indeed an essential task for sysadmins. One of the most fundamental ways to keep the server secure is by installing security updates on time to patch vulnerabilities. You need to install the unattended-upgrades package. It will automatically install software updated, including security updates. This page shows how to install security updates automatically when released by the Ubuntu security team.

Log in to your Ubuntu server and install the unattended upgrade package with the command:

 sudo apt-get install unattended-upgrades -y

Once that’s done, install the update-notifier-common package for automatic reboots with the command:

sudo apt-get install update-notifier-common -y

Next, edit the 50unattended-upgrades file with the command:

sudo nano /etc/apt/apt.conf.d/50unattended-upgrades

By default, security updates are enabled, so you don’t have to bother with that section. You might, however, want to enable automatic reboots.

Scroll down to that section and you can define if automatic reboots are taken care of immediately or at a specific time. To enable automatic reboots, remove the leading // characters from the line Unattended-Upgrade::Automatic-Reboot “false”; and change false to true.

You can then do the same for the Unattended-Upgrade::Automatic-Reboot “false” line and set it to the time you wish for the automatic reboot to occur (so it doesn’t happen during productivity hours).

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Mar 29, 2020

Ubuntu Club is A curated list of Tips, and Tricks for Using Ubuntu.