Gentoo not detected again?
Author: gardiolCreated Apr 26, 2026Updated Apr 29, 2026
Describe the bug I am running Gentoo, with portage provided Lynis
Version
- Distribution Gentoo (rolling, latest)
- Lynis version 3.1.6
Expected behavior Gentoo to be detected, as per 2020 ticket, it's been supported and should be detected.
Output Lynis output when running:
[ Lynis 3.1.6 ]
################################################################################
Lynis comes with ABSOLUTELY NO WARRANTY. This is free software, and you are
welcome to redistribute it under the terms of the GNU General Public License.
See the LICENSE file for details about using this software.
2007-2025, CISOfy - https://cisofy.com/lynis/
Enterprise support available (compliance, plugins, interface and tools)
################################################################################
[+] Initializing program
------------------------------------
=================================================================
Exception found!
Function/test: [OS Detection]
Message: Unknown OS found in /etc/os-release - Please create an issue on GitHub and share the contents (cat /etc/os-release): https://github.com/CISOfy/lynis
Help improving the Lynis community with your feedback!
Steps:
- Ensure you are running the latest version (/usr/sbin/lynis update check)
- If so, create a GitHub issue at https://github.com/CISOfy/lynis
- Include relevant parts of the log file or configuration file
Thanks!
=================================================================
- Detecting OS... [ DONE ]
- Checking profiles... [ DONE ]
---------------------------------------------------
Program version: 3.1.6
Operating system: Linux
Operating system name: Gentoo
Operating system version: 6.18.12-gentoo-dist
End-of-life: UNKNOWN
Kernel version: 6.18.12
Hardware platform: x86_64
Hostname: redacted
---------------------------------------------------
Profiles: /etc/lynis/default.prf
Log file: /var/log/lynis.log
Report file: /var/log/lynis-report.dat
Report version: 1.0
Plugin directory: /usr/share/lynis/plugins
---------------------------------------------------
Auditor: automated
Language: en
Test category: all
Test group: all
---------------------------------------------------
- Program update status... [ NO UPDATE ]Additional context This the output of /etc/os-release:
casa ~ # cat /etc/os-release
NAME='Gentoo'
ID='gentoo'
PRETTY_NAME='Gentoo Linux'
VERSION='2.18'
VERSION_ID='2.18'
HOME_URL='https://www.gentoo.org/'
SUPPORT_URL='https://www.gentoo.org/support/'
BUG_REPORT_URL='https://bugs.gentoo.org/'
ANSI_COLOR='1;32'Source: CISOfy/lynis