Lynis 3.0.6 releases: Open source auditing in Linux system

Lynis is an open-source security auditing tool. Used by system administrators, security professionals, and auditors, to evaluate the security defenses of their Linux and UNIX-based systems. It runs on the host itself, so it performs more extensive security scans than vulnerability scanners. It is also the client in our Lynis Enterprise offering.

Supported operating systems

Lynis runs on almost all UNIX-based systems and versions, including:

• AIX
• FreeBSD
• HP-UX
• Linux
• MacOS
• NetBSD
• OpenBSD
• Solaris
• and others

It even runs on systems like the Raspberry Pi or QNAP storage devices.

Installation optional

Lynis is light-weight and easy to use. Installation is optional: just copy it to a system, and use “./lynis audit system” to start the security scan. It is written in shell script and released as open source software (GPL). Software packages are available from our software repository.

How it works

performs hundreds of individual tests. Each helps to determine the security state of the system. This is what happens during a scan with Lynis:

Steps

1. Determine the operating system
2. Search for available tools and utilities
3. Check for Lynis update
4. Run tests with enabled plugins
5. Run security tests per category
6. Report the status of security scan

Besides the data displayed on the screen, all technical details about the scan are stored in a log file. Any findings (warnings, suggestions, data collection) are stored in a report file.

Changelog

Lynis 3.0.6

Added

• OS detection: Artix Linux, macOS Monterey, NethServer, openSUSE MicroOS
• Check for outdated translation files

Changed

• DBS-1826 – Check if PostgreSQL is being used
• DBS-1828 – Test multiple PostgreSQL configuration file(s)
• KRNL-5830 – Sort kernels by version instead of modification date
• PKGS-7410 – Don’t show exception for systems using LXC
• GetHostID function: fallback options added for Linux systems
• Fix: macOS Big Sur detection
• Fix: show correct text when egrep is missing
• Fix: variable name for PostgreSQL
• German and Spanish translations extended

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