linux记录用户登录日志与命令执行日志方式

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USER=`whoami`
USER_IP=`who -u am i 2>/dev/null| awk '{print $NF}'|sed -e 's/[()]//g'`
if [ "$USER_IP" = "" ]; then
USER_IP=`hostname`
fi
if [ ! -d /var/log/history ]; then
mkdir /var/log/history
chmod 777 /var/log/history
fi
if [ ! -d /var/log/history/${LOGNAME} ]; then
mkdir /var/log/history/${LOGNAME}
chmod 300 /var/log/history/${LOGNAME}
fi
export HISTSIZE=4096
DT=`date +"%Y%m%d_%H:%M:%S"`
export HISTTIMEFORMAT="[$DT][${USER}][${USER_IP}]"
export HISTFILE="/var/log/history/${LOGNAME}/${USER}@${USER_IP}_$DT"
chmod 600 /var/log/history/${LOGNAME}/*history* 2>/dev/null

# cd /var/log/history/
# ll
total 4
d-wx------ 2 root root 4096 Nov  7 15:37 root

# cd root
# ll
total 24
-rw------- 1 root root  800 Nov  6 17:26 root@192.168.1.1_20181106_15:09:56
-rw------- 1 root root 4411 Nov  6 18:55 root@192.168.1.1_20181106_17:40:31
-rw------- 1 root root    7 Nov  7 15:35 root@192.168.1.1_20181107_15:33:23
-rw------- 1 root root   86 Nov  7 15:37 root@192.168.1.1_20181107_15:35:27
-rw------- 1 root root  124 Nov  7 15:37 root@192.168.1.1_20181107_15:37:18

# cat root@192.168.1.1_20181107_15\:37\:18
ll
ps aux
logout