Linux 记录登录日志

Linux 记录登录日志

mkdir -p /opt/shell/loginlog
vim ~/.bashrc
source ~/.bashrc


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 /opt/shell/loginlog ]
then
mkdir -p /opt/shell/loginlog
chmod 777 /opt/shell/loginlog
fi
if [ ! -d /opt/shell/loginlog/${LOGNAME} ]
then
mkdir /opt/shell/loginlog/${LOGNAME}
chmod 300 /opt/shell/loginlog/${LOGNAME}
fi
export HISTSIZE=4096
DT=`date "+%Y-%m-%d_%H:%M:%S"`
export HISTFILE="/opt/shell/loginlog/${LOGNAME}/${USER_IP}_loginlog.$DT"
chmod 755 /opt/shell/loginlog/${LOGNAME}/*loginlog* 2>/dev/null