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This article will explain in detail how to add user operation log in CentOS, the content of the article is of high quality, so the editor will share it with you for reference. I hope you will have a certain understanding of the relevant knowledge after reading this article.

1. Put the following at the end of / etc/profile (some systems such as CentOS 5.5 may need to be at the end of / etc/bashrc)

HISTFILESIZE=2000

HISTSIZE=2000

ExportHISTTIMEFORMAT= "% Y%m%d-%H%M%S:"

ExportPROMPT_COMMAND=' {command=$ (history1 | {readx y; echo$y;} | cut-d ":"-f2 -)

Logger-p local1.notice-t bash "$command (user=$USER,ppid=$PPID,from=$SSH_CLIENT,pwd=$PWD)";}'

ReadonlyPROMPT_COMMAND

Note: readonly PROMPT_COMMAND prevents malicious ordinary users from logging in, emptying variables, resulting in the inability to log normally.

2. Log output to a single file

Add in / etc/rsyslog.conf

Local1.notice / var/log/local1

3. Configure logrotate

Vim / etc/logrotate.d/local1

/ var/log/local1 {

Missingok

Notifempty

Size 1M

Yearly

Create 0600 root root

}

On how to add user operation log in CentOS to share here, I hope the above content can be of some help to you, you can learn more knowledge. If you think the article is good, you can share it for more people to see.

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