Shell

Not long ago I saw two interesting commands in the book--script and Srciptreplay, which can record a terminal session in a file, that is, we can create a command-line video tutorial through a terminal session, or we can share session files with

Copy Code code as follows: # Cat Doallslave.sh #!/bin/sh #code by Scpman #mail: scpman@live.com #blog: http://www.scpman.com #name: "Doallslave.sh" Helpinfo () { Echo-e ' \t\thelp View Help information ' Echo-e ' \t\t automatically do

1. Simple method Copy Code code as follows: $ b=$ ((5*5+5-3/2)) $ echo $b 29 In the Linux shell, we can use $ (()) to put an expression in parentheses to achieve the function of the operation. 2. Other methods: Using:

Implementation method One #!/bin/bash logs_path= "/data/application/nginx/logs" pid_path= "/data/application/nginx/nginx.pid" Month= ' Date +%y-%m ' date= ' date +%y-%m-%d ' time= ' date +%h ' waittime=$ ( (24*60*60)) logcut () { CD $Logs

Copy Code code as follows: #!/bin/bash # Download from ApnicRm-f Delegated-apnic-latestwget http://ftp.apnic.net/apnic/stats/apnic/delegated-apnic-latest # IPs allocated to.grep ' apnic| cn|ipv4| ' Delegated-apnic-latest | Cut-f-d ' | ' >

Question: Https://www.jinshuju.net/f/EGQL3D Language: Shell (Bash)Operation mode:SH num-game.sh digit 1 digit 2 Number 3If you do not want to use the method of passing numbers, you can modify num-game.sh line 9th tonum=$*Tonum= ' number 1 digit 2

Copy Code code as follows: #!/bin/bash #!/usr/bin/expect-f #!/usr/bin/env Bash Yum Install-y expect wget Cd/root wget http://172.16.92.99/share/tar/vtune_amplifier_xe_2013_update15.tar.gz wget http://172.16.92.99/share/tar/EVAL_L_VT__VGXB-

Use the MySQL shell command to read the database information, delete the specified fields, and the corresponding files of the field, the Linux platform. The preceding variable is defined as the data base configuration Copy Code code as

Copy Code code as follows: #在后台执行 cmd command CMD & #命令序列. Execute multiple commands on the same lineCMD1; Cmd2 Execute multiple commands in a #在当前 shell in a set of forms{cmd1; cmd2;} Execute multiple commands in a #在子 shell in a set

These days found that CentOS system memory has been up, even if the Apache and MySQL closed, memory is not released, you can use the following script to free memory:Script content: Copy Code code as follows: #! /bin/bash # Cache

In a multiple-machine cluster environment, often faced with the modification of the configuration file after copying to multiple servers, the traditional implementation of the SCP is troublesome, so write the following shell script, you can copy the

This article describes the implementation of the core file automatic generation configuration method, the following steps: 1. Edit the Environment configuration file, let the shell start automatically set Ulimit Vi/etc/profile ulimit-c

Sometimes, because of the architectural design or other business itself characteristics, resulting in some applications using CPU is very uneven, so business processing concentrated on one CPU, while the other CPU idle sleep. Here is a simple

There are times when you need to extract files from the RPM package without installing and installing RPM-related libraries and programs, and this little green script can help you achieve your wish. Note:1. This script comes from the Internet, the

For example, to split test= "AAA,BBB,CC cc,dd dd", you can Copy Code code as follows: arr=$ (Echo $test |tr "," \ n ") I can do that. Copy Code code as follows: old_ifs= $IFS Ifs= ', ' Arr= $test ifs= $OLD

In our system, I wrote a script to update some repository on a regular basis, but occasionally I encountered problems, such as when git pull might be stuck there (possibly due to a network problem at some point), which would hinder the next

When dealing with some data files on Linux, it is sometimes necessary to filter out the empty rows, and the various tools available in the system can accomplish this function. The usual introductions are as follows:1. grep Copy Code code as

Often need to statistics Apache site traffic based on the IP address, the most basic script. In descending order based on IP traffic: Copy Code code as follows: #!/bin/bash #Script_name: Access_count

This example describes the Jquery.fancybox.js usage of the jquery Pinball plug-in. Share to everyone for your reference, specific as follows: FancyBox is a jquery plug-in, powerful. Support to enlarge the picture to add shadow effect, for a group

First, take an integer d1 less than n as the first increment, dividing the entire record of the file into D1 groups. All records that are multiples of the DL are placed in the same group. A direct insertion sort is performed within each group, and