通信码农，Emacs爱好者，业余IOS程序员，更业余的PM
全部博文（111）
发布时间：2015-10-08 14:27:23
background：某台服务器centos7，通过df查看空间基本被占满
此台机器的分区当时我偷懒，500G的空间就只划了个Boot, 划了个Swap，其他都分了/
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发布时间：2013-04-08 10:47:34
Sometimes as the administrator of a Linux Operating System Server, you may need to send a message to all users. There are some different ways to do this, and now we will see just one of them.We will use wall.As the main input of wall is a file, we will first create our message file.For.........【阅读全文】
发布时间：2013-01-25 13:22:35
1. sed -i '2d' filename 删除文本的第二行 -i --in-place[=SUFFIX] edit files in place (make backup if extension supplied)2. 替换 比如某文本里我想把/abc 替换成/kkk sed -i.........【阅读全文】
