Software Management

How to solve an expired key (KEYEXPIRED) with apt

Software updates and package management is easy, until you get a KEYEXPIRED message. In this article we should how it happens and the way to solve it.

Upgrading External Packages with unattended-upgrade

The unattended-upgrade tool is a great way to keep your system automatically updated. Learn how it works and how configure it.

Showing Available Security Updates with DNF

Systems running Fedora have the DNF utility. With DNF it becomes easily to install packages and stay up-to-date with security related updates.

Software Patch Management for Maximum Linux Security

Linux systems have a lot of software packages, resulting in regular upgrades and updates. Proper software patch management is key and we share how to do it.

Vulnerabilities and Digital Signatures for OpenBSD Software Packages

When coming across an OpenBSD system, one can not ignore auditing the OpenBSD software packages and its configuration. Learn more what OpenBSD has to offer.

Audit SuSE with zypper: vulnerable packages

Stay up-to-date with security patching is part of a decent security management process. This article looks into vulnerable packages on OpenSuSE.