说明：一个脚本用于确认服务器有没有宕机 #!/usr/bin/env bash if [[ $# -eq 2 ]]; then URL=$1 MAILTO=$2 else echo "usage : $0 check_url alert_mail_address" exit 1 fi TIMEOUT=60 TRYCOUNT=1 SUBJECT="ALERT:Web Server is Fail!!!!" alive=`wget -S --spider -t ${TRYCOUNT} -T ${TIMEOUT} ${URL} 2>&1 | grep -c "200 OK"` if [[ ${alive} == 0 ]] ; then