vi /etc/profile
添加如下内容:
# history
USER_IP=`who am i 2>/dev/null| awk '{print $NF}'|sed -e 's/[()]//g'`
if [ "$USER_IP" = "" ]
then
USER_IP=`hostname`
fi
if [ ! -d /tmp/.hist ]
then
mkdir /tmp/.hist
chmod 777 /tmp/.hist
fi
if [ ! -d /tmp/.hist/${LOGNAME} ]
then
mkdir /tmp/.hist/${LOGNAME}
chmod 300 /tmp/.hist/${LOGNAME}
fi
HISTSIZE=4096
export HISTSIZE
DT=`date "+%Y%m%d_%H%M%S"`
export DT
HISTFILE="/tmp/.hist/${LOGNAME}/${USER_IP}.hist.$DT"
export HISTFILE
chmod 600 /tmp/.hist/${LOGNAME}/*.hist* 2>/dev/null
umask 022
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