hadoop集羣管理腳本:
- diy-ssh.sh==> ssh免密登錄
- diy-syn.sh==> 同步節點配置文件
- diy-op.sh==> jps查看進程, 更新時間日期
- diy-kill.sh==> 殺死某進程,如 hmaster
part1: 免密登錄腳本
#!/bin/bash
#生成祕鑰,登錄localhost
if [ ! -d ~/.ssh ]
then
mkdir ~/.ssh
fi
ssh-keygen -t rsa -P '' -f ~/.ssh/id_rsa
ssh-copy-id localhost
#登錄集羣
while [ $# != 0 ]
do
echo "param=> $1 "
ssh-copy-id $1
shift
done