centos

[root@xiaoyuer ~]# rpm -qa|grep sudo

sudo-1.8.6p3-24.el6.x86_64

[root@xiaoyuer ~]# rpm -qa|grep syslog

rsyslog-5.8.10-10.el6_6.x86_64

ubuntu

root@host1:~# dpkg -l |egrep 'sudo|syslog'

ii  rsyslog                            7.4.4-1ubuntu2.7                           amd64        reliable system and kernel logging daemon

ii  sudo                               1.8.9p5-1ubuntu1.4                         amd64        Provide limited super user privileges to specific users

root@host1:~#

yum install sudo -y

yum install rsyslog -y

apt-get  install sudo   rsyslog -y

#创建日志目录

mkdir -p /var/log/

#查看日志环境

[root@xiaoyuer ~]# uname -r

2.6.32-642.6.2.el6.x86_64

[root@xiaoyuer ~]# cat /etc/redhat-release

CentOS release 6.8 (Final)

root@host1:~# cat /etc/issue

Ubuntu 14.04.5 LTS \n \l

root@host1:~# uname -r

4.4.0-93-generic

#服务器环境为centos 6.8 所以syslog日志配置文件为/etc/rsyslog.conf

echo "local2.debug /var/log/sudo.log">>/etc/rsyslog.conf

tail -1 /etc/rsyslog.conf

#local2.debug  /var/log/sudo.log

#注意：如果服务器为centos 5.x 所以syslog日志配置文件为/etc/syslog.conf（配置）

#echo "local2.debug /var/log/sudo.log">>/etc/syslog.conf

#echo "Defaults logfile=/var/log/sudo.log">>/etc/sudoers

#配置/etc/sudoers

echo "Defaults logfile=/var/log/sudo.log">>/etc/sudoers

 tail -1 /etc/sudoers

#Defaults logfile=/var/log/sudo.log

visudo -c

#重启服务

[root@xiaoyuer ~]# service rsyslog restart

Shutting down system logger:                               [  OK  ]

Starting system logger:                                    [  OK  ]

[root@xiaoyuer ~]# sudo ls

elasticsearch-5.6.3  elasticsearch-5.6.3.zip  energy_saving_products.sql  master.zip  mysql-5.7.22-winx64.zip  zabbix3.0.9_yum.tar.gz

[root@xiaoyuer ~]# cat /var/log/sudo.log

Jul 31 14:59:20 : root : TTY=pts/0 ; PWD=/root ; USER=root ; COMMAND=/bin/ls