集群命令启动脚本:
#!/bin/bash
if [ $# -lt 1 ]
then
echo "请放入参数!"
exit;
fi
case $1 in
"start")
for zk in hadoop202 hadoop203 hadoop204
do
echo ==========$zk:zookeeper启动=======
ssh $zk "/opt/module/zookeeper-3.4.10/bin/zkServer.sh start"
done
;;
"stop")
for zk in hadoop202 hadoop203 hadoop204
do
echo ==========$zk:zookeeper停止=======
ssh $zk "/opt/module/zookeeper-3.4.10/bin/zkServer.sh stop"
done
;;
"*")
echo "请输入正确的参数start/stop!"
;;
esac
跨机器分发文件脚本:
#!/bin/bash
#1. 判断参数个数
if [ $# -lt 1 ]
then
echo Not Enough Arguement!
exit;
fi
#2. 遍历集群所有机器
for host in hadoop202 hadoop203 hadoop204
do
echo ==================== $host ====================
#3. 遍历所有目录,挨个发送
for file in $@
do
#4. 判断文件是否存在
if [ -e $file ]
then
#5. 获取父目录
pdir=$(cd -P $(dirname $file); pwd)
#6. 获取当前文件的名称
fname=$(basename $file)
ssh $host "mkdir -p $pdir"
rsync -av $pdir/$fname $host:$pdir
else
echo $file does not exists!
fi
done
done