下面是简单学习之后做得练习题,如果有不对的或者说解题思路不好的,请交流啊. Grep 练习 文件名grepfile Steve Blenheim:238-923-7366:95 Latham Lane, Easton, PA 83755:11/12/56:20300 Betty Boop:245-836-8357:635 Cutesy Lane, Hollywood, CA 91464:6/23/23:14500 Igor Chevsky:385-375-8395:3567 Populus Pl…
http://blog.csdn.net/a81895898/article/details/8482387 Sed是什么 <sed and awk>一书中(1.2 A Stream Editor)是这样解释的: Sed is a "non-interactive" stream-oriented editor. It is stream-oriented because, like many UNIXprograms, input flows through the pr…
Sed是什么 <sed and awk>一书中(1.2 A Stream Editor)是这样解释的: Sed is a "non-interactive" stream-oriented editor. It is stream-oriented because, like many UNIXprograms, input flows through the program and is directed to standard output. Sed本质上是一个编辑器,…
原文地址:MySQL被慢sql hang住了,用shell脚本快速清除不断增长的慢sql的办法 作者:mchdba 某个初级dba误删index,mysql漫山遍野全是10S以上的慢sql,mysql服务被hang住了,而且慢sql不断在增加中,如果手动在mysql界面kill的话,根本来不及,这个时候,shell就必须要出手了,如下的shell脚本,大家可以参考: #It is used to kill processlist of mysql sleep #!/bin/sh while :…
环境:RHEL6.5 + Oracle 11.2.0.4 DataGuard physical standby 主库和备库都是单节点. 需求:主备库同时应用160719的PSU和OJVM PSU补丁. 先参考MOS文档 ID 278641.1 的解决方案如下: SOLUTION Process Overview: In the primary disable log shipping to the standby site. Shutdown the standby site and apply…
Razor 语法快速参考 本文引自:http://haacked.com/archive/2011/01/06/razor-syntax-quick-reference.aspx 语法名称 Razor 语法 Web Forms 等效语法 代码块 @{ int x = 123; string y = "because."; } <% int x = 123; string y = "because."; %> 表达式(默认encode) <spa…
jenkins2 pipeline中常用的语法快速参考. 文章来自:http://www.ciandcd.com文中的代码来自可以从github下载: https://github.com/ciandcd 来自: Using the Pipeline Plugin to Accelerate Continuous Delivery — Part 1Using the Pipeline Plugin to Accelerate Continuous Delivery — Part 2Using t…