部署完集群以后,执行 myhadoop.sh的时候报错了
显示有一台机器:
#!/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 hadoop15 "/opt/module/hadoop-3.1.3/sbin/start-dfs.sh"
echo " --------------- 启动 yarn ---------------"
ssh hadoop16 "/opt/module/hadoop-3.1.3/sbin/start-yarn.sh"
echo " --------------- 启动 historyserver ---------------"
ssh hadoop17 "/opt/module/hadoop-3.1.3/bin/mapred --daemon start historyserver"
;;
"stop")
echo " =================== 关闭 hadoop集群 ==================="
echo " --------------- 关闭 historyserver ---------------"