Lynis adalah alat pengauditan dan pemindaian keamanan, open source, kuat dan populer serta free untuk GNU/LINUX. Ini adalah alat pemindaian dan pemeriksaan kerentanan malware yang memindai sistem untuk informasi dan masalah keamanan, integritas file, kesalahan konfigurasi; melakukan audit firewall, memeriksa perangkat lunak yang diinstal, izin file / direktori dan banyak lagi.

Yang penting, itu tidak secara otomatis melakukan pemeriksaan sistem, namun, hanya menawarkan saran yang memungkinkan Anda untuk pemeriksaan server Anda.

berikut cara instalasi via Linux Slackware :

# slpkg -s sbo lynis
Slackware package /tmp/lynis-2.6.7-x86_64-1_SBo.tgz created.

bash-4.3# installpkg /tmp/lynis-2.6.7-x86_64-1_SBo.tgz 
Verifying package lynis-2.6.7-x86_64-1_SBo.tgz.
Installing package lynis-2.6.7-x86_64-1_SBo.tgz:
PACKAGE DESCRIPTION:
# lynis (security auditing tool)
#
# Lynis is a security auditing tool for UNIX derivatives like Linux,
# macOS, BSD, Solaris, AIX, and others. It performs an in-depth
# security scan.
#
# Project URL: https://cisofy.com/
#
Executing install script for lynis-2.6.7-x86_64-1_SBo.tgz.
Package lynis-2.6.7-x86_64-1_SBo.tgz installed.
bash-4.3# lynis audit system

[ Lynis 2.6.7 ]

################################################################################
  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.

  2007-2018, CISOfy - https://cisofy.com/lynis/
  Enterprise support available (compliance, plugins, interface and tools)
################################################################################


[+] Initializing program
------------------------------------
  - Detecting OS...                                           [ DONE ]
  - Checking profiles...                                      [ DONE ]

  ---------------------------------------------------
  Program version:           2.6.7
  Operating system:          Linux
  Operating system name:     Slackware
  Operating system version:  14.2
  Kernel version:            4.4.144
  Hardware platform:         x86_64
  Hostname:                  darkstar
  ---------------------------------------------------
  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:                   [Not Specified]
  Language:                  en
  Test category:             all
  Test group:                all
  ---------------------------------------------------
  - Program update status...                                  [ NO UPDATE ]

[+] System Tools
------------------------------------
  - Scanning available tools...
  - Checking system binaries...

[+] Plugins (phase 1)
------------------------------------
 Note: plugins have more extensive tests and may take several minutes to complete
  
  - Plugins enabled                                           [ NONE ]

[+] Boot and services
------------------------------------
  - Service Manager                                           [ SysV Init ]
  - Checking UEFI boot                                        [ DISABLED ]
  - Checking presence LILO                                    [ OK ]
    - Password option presence                                [ WARNING ]
  - Check startup files (permissions)                         [ OK ]