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	Comments on: [转载]Hadoop的任务调度	</title>
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	<description>Keep It Simple and Stupid</description>
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		<title>
		By: Morgan		</title>
		<link>https://www.coder4.com/archives/1061#comment-720</link>

		<dc:creator><![CDATA[Morgan]]></dc:creator>
		<pubDate>Sun, 01 Jul 2012 19:19:34 +0000</pubDate>
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					<description><![CDATA[关于ssh的多主机key-based登陆，其实你可以用一个for循环，比如你的机器有3台，servername-{1,2,3}，那么你可以在3个机器上运行下面的命令（放入脚本），这样你也不需要去修改authorized_keys文件的权限，创建.ssh目录等繁琐操作：#!/usr/bin/env   bash# Description: Auto deploy ssh key to pvriode auto-login.echo   StrictHostKeyChecking  no&#039;   &#062;&#062;$HOME/.ssh/configssh-keygen  -q  -t  rsa  -N        -f   $HOME/.ssh/id_rsafor  node  in  servername-{1,2,3} ; do      ssh-copy-id   -i   $HOME/.ssh/id_rsa.pub    root@$nodedone#Done脚本中echo的那一句是你作为ssh的client时，第一次ssh到一个server时要建立known_hosts时还要输入yes，比较麻烦。]]></description>
			<content:encoded><![CDATA[<p>关于ssh的多主机key-based登陆，其实你可以用一个for循环，比如你的机器有3台，servername-{1,2,3}，那么你可以在3个机器上运行下面的命令（放入脚本），这样你也不需要去修改authorized_keys文件的权限，创建.ssh目录等繁琐操作：#!/usr/bin/env   bash# Description: Auto deploy ssh key to pvriode auto-login.echo   StrictHostKeyChecking  no'   &gt;&gt;$HOME/.ssh/configssh-keygen  -q  -t  rsa  -N        -f   $HOME/.ssh/id_rsafor  node  in  servername-{1,2,3} ; do      ssh-copy-id   -i   $HOME/.ssh/id_rsa.pub    root@$nodedone#Done脚本中echo的那一句是你作为ssh的client时，第一次ssh到一个server时要建立known_hosts时还要输入yes，比较麻烦。</p>
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