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====== Ubuntu - Lynis Security Audit Tool - Perform an audit scan ======

<code bash>
lynis audit system
</code>

returns:

<code>
[ Lynis 3.0.9 ]

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

  2007-2021, CISOfy - https://cisofy.com/lynis/
  Enterprise support available (compliance, plugins, interface and tools)
################################################################################


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

  ---------------------------------------------------
  Program version:           3.0.9
  Operating system:          Linux
  Operating system name:     Ubuntu
  Operating system version:  24.04
  Kernel version:            6.8.0
  Hardware platform:         x86_64
  Hostname:                  mediaserver
  ---------------------------------------------------
  Profiles:                  /etc/lynis/default.prf
  Log file:                  /var/log/lynis.log
  Report file:               /var/log/lynis-report.dat
  Report version:            1.0
  Plugin directory:          /etc/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...
...
</code>

<WRAP info>
**NOTE:**  The actual report is usually huge.

  * The report is saved at **/var/log/lynis-report.dat**.
  * Search the file with words **warning** or **suggestion**, and make the recommended updates.
</WRAP>