#!/bin/bash


. ./check_function.sh



#本脚本更改同时打开文件数的限制为65536

ROOT_UID=0
E_ROOT=2
DATE=$(date +%Y%m%d)
if [ $UID -ne $ROOT_UID ];then
	echo "You must run this script use root ..."
	exit $E_ROOT
fi

LIMITS_FILE=/etc/security/limits.conf
SU_FILE=/etc/pam.d/su
sed -i.bak_$DATE '/soft	nofile/d' ${LIMITS_FILE}
sed -i '/hard	nofile/d' ${LIMITS_FILE}
echo "*    soft	nofile   65536">> ${LIMITS_FILE}
echo "*    hard	nofile   65536">> ${LIMITS_FILE}
#sed -i '/^sysadmin/s/^/# &/g'   ${LIMITS_FILE}
sed -i.bak_$DATE '/pam_limits.so/d' ${SU_FILE}
echo "session   required   pam_limits.so">> ${SU_FILE}