Shell

Note: To use this shell, you must first successfully establish the MEMCACHE Environment 1 "memcached File and permissions [[email protected] ~]# Touch/etc/init.d/memcached[[email Protected] ~]# chmod +x/etc/init.d/memcached2 write memcached Shell

#!/bin/bash### for loop, number segment formEcho 'for loop, number segment form' forIinch{1..3} Do Echo$i Done### forloop, double-brace formEcho 'for loop, double bracket form' for((i=1;i5; i++)) Do Echo$RANDOM Done### for seqEcho 'for loop,

#!/bin/bash[ -d /usr/local/zabbix ] && echo  "/usr/local/zabbix  Exist " && exitif ps -ef | grep zabbix_agentd | grep  -v grep ; thenecho  "Zabbix agent is installed" exitfiyum install -

Write a script:1. Add 10 users user1 to User10, password with user name, but only if the user does not exist to add;#!/bin/bash# forIinch{1..Ten}; Do if!IDUser$i &>/dev/NULL; ThenUseradd user$iEcho "user$i"|passwd--stdin user$iElse Echo

One of the great advantages of the Linux operating system is that you can use up to hundreds of ways to implement it for the same thing. For example, you can generate random passwords in dozens of ways. This article describes 10 ways to generate a

Shell Exercise Training Sum of 2 numbers Calculates the 1-100 and Change the extension of all files in a directory to Bak Compile all. c files in the current directory: Print root can use the number of executable files to process the

A shell script is a function that uses the Shell's command interpretation to parse a plain-text file and then perform these functions, or it can be said that a shell script is a collection of commands.The shell can be used directly above the

Shell:m3u8-->ts Requirement: Known bulk m3u8 uri for full TS file uri #由于sed不支持文本替换, generate temporary files test_file#curl -s  ignore the default output as follows #  % total    %  Received % Xferd  Average Speed   Time    

In Linux/unix, the information generally seen on the screen is from stdout (standard output) or stderr (standard error Output). Many people will ask, output is output, sent to the screen does not have, why is divided into stdout and stderr it? That

First, IntroductionThe shell's various judgment structures and operators are based on shell programming, understanding shell judgments, operators, and some exit statesHave a very important influence on the later study. The shell has an internal

Shell Script Rollup 1 Name the backup file by month date#!/bin/bash# Create a back package for MySQL of the ball and web of ballcloud## backup mysql-ball and web for BALLCLOUDCD /www/web/backup_ballcloud/year= ' Date +%y ' month= ' date +%m ' day= '

#!/bin/bash# Modify showed marked## biaoshi.sh 207# by Wangxianzheng 2011/12/20path=/usr/kerberos/sbin:/usr/kerberos/bin:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/usr/ X11r6/bin:/root/binecho "####### #execute $ begin...##########

The run () and EXEC () functions of the Wscript.Shell object are detailed using http://blog.sina.com.cn/s/blog_6e14a2050102v47g.htmlUse of the run and exec functions of Wscript.Shell objects in VbScriptfunction declaration:Set Ws = CreateObject

Use the shell implementation to check the memory size, if it is displayed within the set value, send an email alert Configure Outgoing Mail firstVi/etc/mail.rcAdd the following information # for Linux and BSD, this should is Set.set

#!/bin/shName=$1Echo $NAMEId= ' Ps-ef | grep "$NAME" | Grep-v "$" | Grep-v "grep" | awk ' {print $} 'Echo $IDecho "---------------"For ID in $IDDoKill-9 $idecho "Killed $id"Doneecho "---------------"1), save it as killprocess.sh2), call./killprocess.

IfconfigThis command is consistent with the "ipconfig" function of windows for displaying details such as network interfaces, subnet masks, and so on.Ifconfig the left column is the network interface name, which occupies 10 bytes, and several

Today read the Old Boys Education blog http://oldboy.blog.51cto.com/ in a shell implementation of Nginx reverse proxy back end Realserver Health check of the article, According to one of the students Friends of the idea of writing a

Text ProcessingCatCommand1) stitching files: Vertical stitching, not horizontal stitching[Email protected]:~# cat list List2Line2Line3Line4Line5Line5Line6Line7Total 32Klrwxrwxrwx 1 root root 4 Jan backup-/data/backup-rw-r--r--1 root root 1 13:18

The shell is an interface that users interact with the kernel, and the most popular shell is now called the Bash shell. The shell is also a programming language , Shell Scripting with Linux shell commands. A system can have multiple shells, and you

Two consecutive! Represents the execution of the previous command!n here the n is the number that represents the nth command in the execution of the command history! String! PW indicates that the most recent command in the command history that