昨天做了一个udhcpd与udhcpc的守护，目前只会用shell模仿编写，还有什么方法可以做守护呢？
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#! /bin/sh#进程名字可修改PRO_NAME=udhcpcWLAN=ra0 while true ; do # 用ps获取$PRO_NAME进程数量 NUM=`ps aux | grep ${PRO_NAME} | grep -v grep |wc -l`# echo $NUM# 少于1，重启进程 if [ "${NUM}" -lt "1" ];then echo "${PRO_NAME} was killed" ${PRO_NAME} -i ${WLAN}# 大于1，杀掉所有进程，重启 elif [ "${NUM}" -gt "1" ];then echo "more than 1 ${PRO_NAME},killall ${PRO_NAME}" killall -9 $PRO_NAME ${PRO_NAME} -i ${WLAN} fi# kill僵尸进程 NUM_STAT=`ps aux | grep ${PRO_NAME} | grep T | grep -v grep | wc -l` if [ "${NUM_STAT}" -gt "0" ];then killall -9 ${PRO_NAME} ${PRO_NAME} -i ${WLAN} fidone exit 0 |