<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[eggnice的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/eggnice</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; eggnice]]></copyright><item><title><![CDATA[centos7 搭建postfix]]></title><link>https://blog.youkuaiyun.com/eggnice/article/details/81086525</link><guid>https://blog.youkuaiyun.com/eggnice/article/details/81086525</guid><author>eggnice</author><pubDate>Tue, 17 Jul 2018 19:01:27 +0800</pubDate><description><![CDATA[1.记录

yum install -y postfix

firewall-cmd --add-service=smtp --permanent

firewall-cmd --reload

主要是编辑/etc/postfix/的配置文件

postfix 配置文件有：access  canonical  generic  header_checks  main.cf  master.cf  ...]]></description><category></category></item><item><title><![CDATA[python中单例模式的几种实现方法]]></title><link>https://blog.youkuaiyun.com/eggnice/article/details/80755841</link><guid>https://blog.youkuaiyun.com/eggnice/article/details/80755841</guid><author>eggnice</author><pubDate>Tue, 26 Jun 2018 17:04:59 +0800</pubDate><description><![CDATA[  在我理解单例模式：某个进程在生命周期内某类只存在一个实例对象。使用场景例如logger，配置模块，数据库连接池为了减少资源使用可以使用单例模式。...]]></description><category></category></item></channel></rss>