Bash command log ¸¸µé±â

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1) rsyslog 및 패키지 설치

root@localhost:[~]: yum install -y rsyslog rsyslog-doc -y


2) /etc/profile.d/ 내 스크립트 로그 작성

root@localhost:[~]: vi /etc/profile.d/log.sh

#!/bin/bash

function history_to_syslog {

  declare command;remote=`who am i|awk '{print $5}'`;command=`fc -ln -0|sed 's/\t //'`

  if [ $USER == "root" ];then located="$PWD]#";else located="$PWD]$";fi

  if [ "$command" != "$old_command" ]; then

    logger -p local3.notice -t bash -i "history2syslog: $USER$remote:$located $command"

  fi;old_command=$command

}

trap history_to_syslog DEBUG


3) 별도 파일 생성을 위한 rsyslog 수정

root@localhost:[~]: vi /etc/rsyslog.conf

*.info;mail.none;authpriv.none;cron.none;local3.none                /var/log/messages

local3.notice                                           /var/log/cmd


4) rsyslog 서비스 재시작 및 log 확인

root@localhost:[~]: service rsyslog restart

root@localhost:[~]: tail -f /var/log/cmd







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