设置ssh免密码登录脚本(hadoop自动化部署脚本一) 设置ssh免密码登录脚本(飞谷云大数据自动化部署脚本一) 1.#!/bin/sh2.#important note:this script is expected to run on master node3.PWD=hdp4.USER=hdp5.SSHDIR=/home/dhp/.ssh6.7.#create temp dir to store id_pub file8.mkdir $SSHDIR/sshtmp9.10.HOST=(ma
为了在Windows 8.1上直接使用Linux环境和hadoop开发,装了cygwin,同时设置ssh无密码登录. 但正常ssh-keygen后复制到authorised_keys后登录出现提示: Permissions 0660 for '/home/***/.ssh/id_rsa' are too open. It is required that your private key files are NOT accessible by others. 意思是密钥文件的权限太松了,于是
1. 制作密钥对 首先在服务器上制作密钥对.登录到打算使用密钥登录的账户,然后执行以下命令: [root@host ~]$ ssh-keygen <== 建立密钥对 Generating public/private rsa key pair. Enter file in which to save the key (/root/.ssh/id_rsa): <== 按 Enter Created directory '/root/.ssh'. Enter passphrase (empty f
Mysql 设置远程链接: > grant all privileges on *.* to 用户@localhost identified by '密码'; > flush privileges; Mysql 远程的链接方式: mysql -h ip地址 -u用户 -p 密码 -P 端口 mysql -h 172.16.2.10 - uroot -p passwd Mysql 导出数据库: mysqldump -u root -p 数据库 > 导出库名.sql mysqldump -