Hadoop完全分布式-常用脚本

[hadoop@hadoop102 ~]$ cd /home/hadoop/bin
[hadoop@hadoop102 ~]$ vim jpsall

#!/bin/bash
for host in hadoop102 hadoop103 hadoop104
do
 echo =============== $host ===============
 ssh $host jps $@ | grep -v Jps
done

[hadoop@hadoop102 bin]$ chmod +x jpsall

[hadoop@hadoop102 ~]$ cd /home/hadoop/bin
[hadoop@hadoop102 ~]$ vim myhadoop.sh

#!/bin/bash
if [ $# -lt 1 ]
then
 echo "No Args Input..."
 exit ;
fi
case $1 in
"start")
 echo " =================== 启动 hadoop 集群 ==================="
 echo " --------------- 启动 hdfs ---------------"
 ssh hadoop102 "/opt/module/hadoop-3.1.3/sbin/start-dfs.sh"
 echo " --------------- 启动 yarn ---------------"
 ssh hadoop103 "/opt/module/hadoop-3.1.3/sbin/start-yarn.sh"
 echo " --------------- 启动 historyserver ---------------"
 ssh hadoop102 "/opt/module/hadoop-3.1.3/bin/mapred --daemon start 
historyserver"
;;
"stop")
 echo " =================== 关闭 hadoop 集群 ==================="
 echo " --------------- 关闭 historyserver ---------------"
 ssh hadoop102 "/opt/module/hadoop-3.1.3/bin/mapred --daemon stop 
historyserver"
 echo " --------------- 关闭 yarn ---------------"
 ssh hadoop103 "/opt/module/hadoop-3.1.3/sbin/stop-yarn.sh"
 echo " --------------- 关闭 hdfs ---------------"
 ssh hadoop102 "/opt/module/hadoop-3.1.3/sbin/stop-dfs.sh"
;;
*)
 echo "Input Args Error..."
;;
esac

[hadoop@hadoop102 bin]$ chmod +x myhadoop.sh

[hadoop@hadoop102 ~]$ xsync /home/hadoop/bin/