在所有被登录服务器上操作如下内容：
mkdir /usr/local/records
chmod 777 !$
chmod +t !$
# +t 防止被删除
添加环境变量：
vi /etc/profile
if [ ! -d /usr/local/records/${LOGNAME} ]
then
mkdir -p /usr/local/records/${LOGNAME}
chmod 300 /usr/local/records/${LOGNAME}
fi
export HISTORY_FILE="/usr/local/records/${LOGNAME}/bash_history"
export PROMPT_COMMAND='{ date "+%Y-%m-%d %T ##### $(who am i |awk "{print $1" "$2" "$5}") #### $(history 1 | { read x cmd; echo "$cmd"; })"; } >>$HISTORY_FILE'
source /etc/profile
示例：
