Package Manager
How to show all installed packages with pacman
Query the pacman package manager on systems like Arch to show installed packages.
Summary
Querying pacman
How to show all installed packages on Ubuntu
Query the package manager to show installed packages on Ubuntu systems including version details.
Summary
Query tools like dpkg to show installed packages
Package manager: Frequently Asked Questions
Frequently asked questions about software, such as package manager, package versions, and how to configure them.
Summary
List installed packages on a Linux system
Learn how to show all installed packages on Linux systems including AlmaLinux, Debian, OpenSUSE, and Ubuntu.
Summary
Show installed package on the most common Linux distributions
Package manager
Everything related to package managers like apt, dnf, yum, and zypper. Learn how to use the tools to install and configure packages.
Summary
Discover to which package a file belongs to
With the right Linux software tools, it is easy to find to which package a file belongs. Or the opposite, what files are part of an installed package.
Summary
Discover quickly which file(s) and package are matched together.
Audit Installed Compilers and Their Packages
Compilers can be abused by attackers to perform the so-called privilege escalation attacks. Here is how to find compilers and secure your system.
Summary
Compilers and security Compilers can be the gateway for an attacker. By misusing a possible weakness in your system(s), a compiler is often used to build the related exploit code. One way to prevent this is to determine what compilers are installed and remove (or restrict) them. Comparing Installed Packages and Compilers One way to audit the system is creating a list of common compilers and packages, then match these with the installed packages.
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.
Summary
Checking Security Updates for your Software Packages DNF is the default package manager since Fedora 22. As it is considered to be a better version of YUM, some of our Lynis users asked for DNF support. With focus on auditing and security patching, we definitely wanted to see that for ourselves. While building support, I’ve gathered the most important commands. In this blog post we will have a look how we can leverage the DNF output to show only the available security updates.
Auditing Linux: Software Packages and Managers
Article about how to audit and check installed software packages and their security by using the related package managers.
Summary
No system can do its job without any installed software packages. However after installation of the system, or running it for a while, it often becomes unclear why some software was ever installed. This article looks at methods on auditing installed software, check for security updates and the related follow-up. Package managers To enable system administrators to properly manage software and upgrading them, Linux uses a package manager. This suite often consists of a package database, the software packages itself and several support tools.