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Generating audit.rules from rules located under /etc/audit/rules.d
------------------------------------------------------------------

The /etc/audit/audit.rules file can be generated using the augenrules(8)
executable. This action can be performed automatically on each startup, but is
disabled by default to preserve existing rules.

To enable it on a SysVinit system, go into /etc/default/auditd and look for the
USE_AUGENRULES variable and set it to "yes". Then copy existing rules into
/etc/audit/rules.d and restart the audit daemon.

On systemd based systems, you should create the following file with the
specified content and then call "systemctl daemon-reload":

  /lib/systemd/system/auditd.service.d/augenrules.conf:
    [Service]
    ExecStartPost=
    ExecStartPost=-/sbin/augenrules --load

You should also copy any existing rules into /etc/audit/rules.d before
restarting auditd so they don't get lost.