<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[ujjhh的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/ujjhh</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; ujjhh]]></copyright><item><title><![CDATA[shell脚本实现rm -rf自由]]></title><link>https://blog.youkuaiyun.com/ujjhh/article/details/133132587</link><guid>https://blog.youkuaiyun.com/ujjhh/article/details/133132587</guid><author>ujjhh</author><pubDate>Thu, 21 Sep 2023 13:43:25 +0800</pubDate><description><![CDATA[shell脚本实现rm -rf自由]]></description><category></category></item><item><title><![CDATA[shell脚本实现rm -rf自由]]></title><link>https://blog.youkuaiyun.com/ujjhh/article/details/128592429</link><guid>https://blog.youkuaiyun.com/ujjhh/article/details/128592429</guid><author>ujjhh</author><pubDate>Sat, 07 Jan 2023 16:42:40 +0800</pubDate><description><![CDATA[shell脚本实现rm -rf自由]]></description><category></category></item><item><title><![CDATA[定时任务结合shell脚本对系统性能监测]]></title><link>https://blog.youkuaiyun.com/ujjhh/article/details/127584321</link><guid>https://blog.youkuaiyun.com/ujjhh/article/details/127584321</guid><author>ujjhh</author><pubDate>Sat, 29 Oct 2022 10:59:09 +0800</pubDate><description><![CDATA[定时任务结合shell脚本对系统性能监测]]></description><category></category></item><item><title><![CDATA[三剑客练习题]]></title><link>https://blog.youkuaiyun.com/ujjhh/article/details/127364375</link><guid>https://blog.youkuaiyun.com/ujjhh/article/details/127364375</guid><author>ujjhh</author><pubDate>Mon, 17 Oct 2022 15:18:27 +0800</pubDate><description><![CDATA[三剑客练习题]]></description><category></category></item><item><title><![CDATA[iptables学习笔记]]></title><link>https://blog.youkuaiyun.com/ujjhh/article/details/127358351</link><guid>https://blog.youkuaiyun.com/ujjhh/article/details/127358351</guid><author>ujjhh</author><pubDate>Mon, 17 Oct 2022 10:16:11 +0800</pubDate><description><![CDATA[iptables学习笔记]]></description><category></category></item><item><title><![CDATA[ansible常用模块解释]]></title><link>https://blog.youkuaiyun.com/ujjhh/article/details/127124726</link><guid>https://blog.youkuaiyun.com/ujjhh/article/details/127124726</guid><author>ujjhh</author><pubDate>Fri, 30 Sep 2022 15:43:44 +0800</pubDate><description><![CDATA[ansible常用模块]]></description><category></category></item><item><title><![CDATA[docker学习笔记]]></title><link>https://blog.youkuaiyun.com/ujjhh/article/details/126956236</link><guid>https://blog.youkuaiyun.com/ujjhh/article/details/126956236</guid><author>ujjhh</author><pubDate>Tue, 20 Sep 2022 16:36:18 +0800</pubDate><description><![CDATA[docker学习笔记，包含dockerfile，docker-compose，docker仓库搭建。]]></description><category></category></item><item><title><![CDATA[通过shell脚本一键安装mysql服务]]></title><link>https://blog.youkuaiyun.com/ujjhh/article/details/126082493</link><guid>https://blog.youkuaiyun.com/ujjhh/article/details/126082493</guid><author>ujjhh</author><pubDate>Sun, 31 Jul 2022 10:22:13 +0800</pubDate><description><![CDATA[通过shell脚本一键安装mysql服务]]></description><category></category></item><item><title><![CDATA[读写分离监控]]></title><link>https://blog.youkuaiyun.com/ujjhh/article/details/126082370</link><guid>https://blog.youkuaiyun.com/ujjhh/article/details/126082370</guid><author>ujjhh</author><pubDate>Sun, 31 Jul 2022 10:14:53 +0800</pubDate><description><![CDATA[读写分离监控]]></description><category></category></item><item><title><![CDATA[MySQL数据库主从复制原理及服务搭建]]></title><link>https://blog.youkuaiyun.com/ujjhh/article/details/126082289</link><guid>https://blog.youkuaiyun.com/ujjhh/article/details/126082289</guid><author>ujjhh</author><pubDate>Sun, 31 Jul 2022 10:10:25 +0800</pubDate><description><![CDATA[MySQL数据库主从复制原理及服务搭建]]></description><category></category></item><item><title><![CDATA[MySQL读写分离及服务搭建]]></title><link>https://blog.youkuaiyun.com/ujjhh/article/details/126082195</link><guid>https://blog.youkuaiyun.com/ujjhh/article/details/126082195</guid><author>ujjhh</author><pubDate>Sun, 31 Jul 2022 10:07:40 +0800</pubDate><description><![CDATA[MySQL读写分离及服务搭建]]></description><category></category></item><item><title><![CDATA[文本三剑客之awk进阶练习题]]></title><link>https://blog.youkuaiyun.com/ujjhh/article/details/126082135</link><guid>https://blog.youkuaiyun.com/ujjhh/article/details/126082135</guid><author>ujjhh</author><pubDate>Sun, 31 Jul 2022 10:01:34 +0800</pubDate><description><![CDATA[文本三剑客之awk进阶练习题]]></description><category></category></item><item><title><![CDATA[文本三剑客之awk初级练习题]]></title><link>https://blog.youkuaiyun.com/ujjhh/article/details/126082105</link><guid>https://blog.youkuaiyun.com/ujjhh/article/details/126082105</guid><author>ujjhh</author><pubDate>Sun, 31 Jul 2022 09:58:16 +0800</pubDate><description><![CDATA[文本三剑客之awk初级练习题]]></description><category></category></item><item><title><![CDATA[文本三剑客之sed进阶练习题]]></title><link>https://blog.youkuaiyun.com/ujjhh/article/details/126082070</link><guid>https://blog.youkuaiyun.com/ujjhh/article/details/126082070</guid><author>ujjhh</author><pubDate>Sun, 31 Jul 2022 09:55:54 +0800</pubDate><description><![CDATA[三剑客之sed进阶练习题]]></description><category></category></item><item><title><![CDATA[三剑客之sed初级练习题]]></title><link>https://blog.youkuaiyun.com/ujjhh/article/details/126082010</link><guid>https://blog.youkuaiyun.com/ujjhh/article/details/126082010</guid><author>ujjhh</author><pubDate>Sun, 31 Jul 2022 09:53:02 +0800</pubDate><description><![CDATA[文本三剑客之sed初级练习题]]></description><category></category></item><item><title><![CDATA[三剑客之grep]]></title><link>https://blog.youkuaiyun.com/ujjhh/article/details/126081924</link><guid>https://blog.youkuaiyun.com/ujjhh/article/details/126081924</guid><author>ujjhh</author><pubDate>Sun, 31 Jul 2022 09:47:37 +0800</pubDate><description><![CDATA[三剑客之grep，从入门到掌握grep]]></description><category></category></item><item><title><![CDATA[Linux中文件搜索命令which whereis locate find]]></title><link>https://blog.youkuaiyun.com/ujjhh/article/details/123852426</link><guid>https://blog.youkuaiyun.com/ujjhh/article/details/123852426</guid><author>ujjhh</author><pubDate>Wed, 30 Mar 2022 20:23:12 +0800</pubDate><description><![CDATA[which：查找命令的可执行文件，以及别名，依赖于PATH环境变量





whereis：查找命令的可执行文件，以及命令的man帮助手册
    -b：只查找可执行文件
    -m：只查找帮助文档



locate：查找系统中的文件，基于数据库查找  yum install mlocate -y
    新装之后，需要构建数据库  手工构建数据库 updatedb  /var/lib/mlocate/mloca...]]></description><category></category></item><item><title><![CDATA[Linux文件处理相关命令]]></title><link>https://blog.youkuaiyun.com/ujjhh/article/details/123621827</link><guid>https://blog.youkuaiyun.com/ujjhh/article/details/123621827</guid><author>ujjhh</author><pubDate>Sun, 20 Mar 2022 21:59:06 +0800</pubDate><description><![CDATA[cut命令
-b：以字节进行切割
-c：以字符切割
-d：指定分割服
-f：搭配-d使用指定显示那个区域

sort：字段排序
-n：使用数字排序
-t：指定分隔符
-k：搭配-t使用，指定排序的区域
-u：去重
-o：排序结果写入文件中而且标准输出
-r：反向排序
-f：忽略大小写

uniq：去重，相邻行才可以去重  搭配sort使用
-c：统计重复的次数
-d：输出重复的行
-i：忽略大小写
-u：只显示唯一的行
-w N：每行的第N个字符之后不再比较
-s N：跳过前面N个字符开始比较

wc：统计]]></description><category></category></item><item><title><![CDATA[Linux常见的系统管理类命令]]></title><link>https://blog.youkuaiyun.com/ujjhh/article/details/123601840</link><guid>https://blog.youkuaiyun.com/ujjhh/article/details/123601840</guid><author>ujjhh</author><pubDate>Sun, 20 Mar 2022 20:47:57 +0800</pubDate><description><![CDATA[学习目标：熟练掌握Linux常见的系统管理类命令
学习内容：
ls,pwd,cd,date,passwd,su,clear,who,w,uname,uptime,loadverage,last,dmesg,free,ps,top,mkdir,cat,more,less,diff,grep,rm,touch,ln,cp,mv.
学习时间：
每周抽出时间练习，熟能生巧。
命令详情：
ls：
ls  -a :显示所有文件
ls  -A: 显示所有文件（除过.和…）
ls -c:ctime(更改时间)排序结合ls ]]></description><category></category></item></channel></rss>