[root@hadoop01 software]# cat myhadoop.sh
#!/bin/bash
#检查脚本参数个数
if [ $# -lt 1 ]
then
echo "No Args Input... please input [start|stop]"
fi
case $1 in
"start")
echo " ============================= 启动 hadoop 集群 ================================="
echo " ----------------------------- 启动 hdfs ----------------------------------------"
ssh hadoop01 "/home/software/hadoop-3.1.3/sbin/start-dfs.sh"
echo " ----------------------------- 启动 yarn -----------------------------------------"
ssh hadoop02 "/home/software/hadoop-3.1.3/sbin/start-yarn.sh"
echo " ----------------------------- 启动 historyserver --------------------------------"
;;
"stop")
echo " ============================= 关闭 hadoop 集群 ================================="
echo " ----------------------------- 关闭 historyserver --------------------------------"
echo " ----------------------------- 关闭 yarn -----------------------------------------"
ssh hadoop02 "/home/software/hadoop-3.1.3/sbin/stop-yarn.sh"
echo " ----------------------------- 关闭 hdfs ----------------------------------------"
ssh hadoop01 "/home/software/hadoop-3.1.3/sbin/stop-dfs.sh"
;;
*)
echo "Input Args Error... please input [start|stop]"
;;
esac
-- 批量检查集群服务
[root@hadoop01 software]# cat jpsall
#!/bin/bash
for host in hadoop01 hadoop02 hadoop03
do
echo "=============== $host ====================="
ssh $host jps
done
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