Linux 检查应用不在现就重启

#!/bin/bash
kafkaPid=`ps -ef|grep kafka|grep -v grep`
if [ "$?" == "0" ];then
        echo "kafka is running "
else
        echo "kafka not running"
        #启动 kafka
        echo "开始启动 kafka...."
        sh /home/kafka_2.11-1.0.0/bin/zookeeper-server-start.sh -daemon /home/sol/kafka_2.11-1.0.0/config/zookeeper.properties
        sleep 10;
        sh /home/kafka_2.11-1.0.0/bin/kafka-server-start.sh -daemon /home/sol/kafka_2.11-1.0.0/config/server.properties
        echo "kafka 启动成功"
fi

#crontab -e
#*/5 * * * * /home/kafka_2.11-1.0.0/startkafka.sh > /tmp/startkafka.log 2>&1