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	<title>深度VPS &#187; 启动</title>
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		<title>proftpd启动报错 error: no valid servers configured</title>
		<link>http://www.deepvps.com/proftpd-failed-to-start.html</link>
		<comments>http://www.deepvps.com/proftpd-failed-to-start.html#comments</comments>
		<pubDate>Wed, 30 Mar 2011 02:35:22 +0000</pubDate>
		<dc:creator>deepvps</dc:creator>
				<category><![CDATA[VPS管理维护]]></category>
		<category><![CDATA[proftpd]]></category>
		<category><![CDATA[启动]]></category>
		<category><![CDATA[报错]]></category>

		<guid isPermaLink="false">http://www.deepvps.com/?p=757</guid>
		<description><![CDATA[今天一个客户找到deepvps，说FTP不能登录。通过SSH连接到客户VPS，发现 proftpd 服务没有启动。
运行启动命令提示错误：
[root@MyVPS proftpd]# service proftpd restart
Shutting down proftpd:                                     [FAILED]
Starting proftpd:         [...]]]></description>
			<content:encoded><![CDATA[<p>今天一个客户找到deepvps，说FTP不能登录。通过SSH连接到客户VPS，发现 proftpd 服务没有启动。<br />
运行启动命令提示错误：</p>
<pre>[root@MyVPS proftpd]# service proftpd restart
Shutting down proftpd:                                     [FAILED]
Starting proftpd:                                          [FAILED]</pre>
<p>因为proftpd默认没有开启日志的记录，所以/var/log/proftpd/ 这个目录下是空的，所以没法查看错误日志。运行：</p>
<pre>proftpd --configtest</pre>
<p>可以看到<span id="more-757"></span></p>
<pre>- warning: unable to determine IP address of 'MyVPS923'
- error: no valid servers configured
- Fatal: error processing configuration file '/etc/proftpd.conf'</pre>
<p>根据错误提示，是主机名和IP解析没法对应。</p>
<p>解决方法：<br />
1，在配置文件/etc/proftpd.conf里面增加VPS IP；</p>
<pre>DefaultAddress                  173.231.28.140</pre>
<p>2，修改主机名 /etc/hosts</p>
<pre>vi /etc/hosts
173.231.28.140 MyVPS923 MyVPS
保存退出后就OK了，service proftpd start可以成功启动。</pre>
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