CentOS Stream 10
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Auditd : Install
2025/01/02
 

Configure System Auditing by Auditd.
It's possible to monitor System Calls, Security Events, File Accesses, Commands Executing and so on.

[1] Audit package is installed by default even if minimal installation of CentOS Stream 10, however if not, Install it like follows.
[root@dlp ~]#
dnf -y install audit
[root@dlp ~]#
systemctl enable --now auditd

[2] It's possible to change some settings of Auditd on auditd.conf.
[root@dlp ~]#
vi /etc/audit/auditd.conf 
# line 7 : specify logfile
log_file = /var/log/audit/audit.log

# line 12 : maximum size of a logfile (MegaBytes)
max_log_file = 8

# line 13 : number of logfiles if specified [max_log_file_action=ROTATE]
num_logs = 5

# line 15: hostname in logfiles
# valid value : NONE, HOSTNAME, FQD, NUMERIC, USER
name_format = NONE

# line 16: hostname you like if specified [name_format=USER]
##name = mydomain

# line 17: specify action if the size of a logfile is over the limit
# valid value : IGNORE, SYSLOG, SUSPEND, ROTATE, KEEP_LOGS
max_log_file_action = ROTATE
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