Apt security updates

The second approach to install security updates on your system is to install the updates using the software updater application. You can look at information about the installation in greater detail by clicking details :. So, the updated version of Ubuntu and the updated packages will be installed on the system. A window may ask you to restart your system to take the changes into effect. Try the unattended-upgrades or any of the other methods listed here.

It can be used to configure automatic security updates I believe it's used when asked during the installer as well as other upgrades automatically. See the man pages for more details. If you are just looking to do this quickly once, instead of creating a separate repository and scripting up some automation and all that. Great if you aren't supposed to be making changes while auditing a system or whatever.

Sign up to join this community. The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Learn more. How do you use apt-get to only install critical security updates on ubuntu? Ask Question. Asked 10 years, 8 months ago. How to get a list of all pending security updates? Ask Question. Asked 5 years, 8 months ago. Active 5 months ago. Viewed 47k times. Improve this question.

Add a comment. Active Oldest Votes. These two commands will spit out the list. Pipe to wc -l to see how many are behind. Improve this answer. Might not be a thing anymore. The first is better because it isn't dependent upon format of output. Use with caution in scripts. This is not entirely correct. Too bad it cannot list them.

Works for me in a pinch. Thanks for the tip! This only lists packages offered for upgrade , not packages offered for dist-upgrade. Only set this to 0 if you use a local mirror and don't mind the load spikes.

Note that while the apt job is sleeping it will cause the execution of the rest of your cron. If you want the script to generate more verbose output set APT::Periodic::Verbose "1"; If you want the script to automatically reboot when needed, you not only need to set Unattended-Upgrade::Automatic-Reboot "true" , but you also need to have the "update-notifier-common" package installed.

On minimal installations this is not installed by default and without it the automatic updater will never reboot and will not even tell you that you need to reboot manually if you have email notifications configured! If the number is "0" then unattended upgrades are disabled.