Shell

Today on the Internet to see a web connection average time of the shell command, in their own machine tried, found that can not use, incredibly appear awk:fatal:division by zero attempted such a mistake, Mao's own changed the shell command.Original

in a production environment, it is possible that other administrators or users may modify Hosts.allow to allow more IP landing machines; In order to facilitate unified management, we can modify the Allow and deny files to the default settings when

Installation use This script is suitable for most bash environments and has been tested in environments such as CYGWIN,UBUNTU14.04,DEBIAN,CENTOS6,MAC-OSX. 1. Dependency Before using this program, make sure your Linux or Cygwin supports the

This example shows how to read a specific field (field) from a data file in a Linux shell script and manipulate it. For example, suppose the format of the file Employees.txt is {employee-name}:{employee-id}:{department-name}, separated by a colon,

To the users of Photoshop software to explain the detailed analysis of the mobile phone transparent shell repair map Tutorial. Tutorial Sharing: Iphone6 Mobile phone shell artwork The first step: before making a picture I used to

The shell script is so powerful that it always touches the tip of the iceberg. Shell recursively traverse directory #!/bin/bashecho "Please input the directory:"Read CdirFor Dir in $ (find $cdir-type D); Todoecho Change to $dirCD $dirLsecho "------

Today, I saw an article with a shell script and a makefile that would automatically download all of the required packages and compile GCC: The code is as follows Copy Code $ # Download the scripts using wget.$

Lattice, as follows: The code is as follows Copy Code [root@myvps1697 201407]# netstat-ntpl|grep sshd|grep-v grep |awk-f: ' {print $} ' In order to solve the problem of space, the 3 of my group have asked all

System: CentOS 5.xScript content: The code is as follows Copy Code Cat make_room.sh#!/bin/bash#size = ' Df-hp|grep/dev/mapper/volgroup00-logvol00|awk ' {print $} ' |cut-f 1-d ' G 'Size= ' Df-mp|grep/dev/mapper/volgroup00-

System: CentOS 5.xScript content: The code is as follows Copy Code #!/bin/bashFile1=/var/log/nginxFile2=/tmp/robeacc/logFind= ' Find $file 2-name access.log|wc-l 'if [[$find = 1]];thenRm-f $file 2/*FiLs= ' ls-1t $file

Character: 12345ABCDESplit into:12345ABCDE Method echo 12345ABCDE | Awk-f "' {for (i=1;i echo 12345ABCDE | Sed ' s/./&n/g ' echo 12345ABCDE | Grep-po '. ' echo "12345ABCDE" | Fold-w1 And then Please 1000! How many 0 are included in the

Are English abbreviations, know the meaning of English is very good to remember.Unequal-ne (not equal)Greater than-GT (greater than)Less than-lt (less than)Greater than or equal to-ge (greater than or equal)Less than or equal to-le (less than or

Some static page-oriented sites, may not be convenient to generate a sitemap. and in order to speed up seo/seo.html "target=" _blank "> Search engine collection, it is best to take the initiative to do a sitemap, through webmaster Tools to submit or

To get the server IP shell script: The code is as follows Copy Code #!/bin/bashIfconfig | grep ' inet addr: ' | Grep-v ' 127.0.0.1 ' |cut-d:-f2 | awk ' {print '} ' Download Whole Station WGET-MK

Here's a simple shell program to illustrate. debian:~/learn/shell# Cat Phonebook Alice Chebba 973-555-2015 Barbara Swingle 201-555-9257 Liz Stachiw 212-555-2298 Susan Goldberg 201-555-7776 Susan Topple 212-555-4932 Tony Iannino

A few days ago I talked to a few colleagues about a problem: How do you pass an array to the inside of awk for processing in a shell script? No way was found at that time. Two days ago in the QQ group to discuss awk, the conversation inadvertently

Submit Process Related View file changes and new files Add new File git add Your_file_path //Add all Files git add * //Add a type of file Simple submission of files Submit all of your modified files and

#!/bin/bash##Read-p "Keyin Add or del:" KeyinFor i in ' seq-w ';d oPassword=user$i ' echo $RANDOM | md5sum | Cut-c 1-5 'Case $keyin inAddif! ID user$i &>/dev/null; thenUseradd user$i &>/dev/nullecho $password | passwd--stdin user$i &>/dev/nullecho

[Email protected] ~/tscripts $ echo"Hello World!"-bash:!": Event not found[Email protected] ~/tscripts $ echo'Hello World!'Hello World![email protected]~/tscripts $ echo'Hello World!'>>t1.sh [email protected]~/tscripts $ cat t1.sh #!/bin/Bashhello

By default, Nginx access logs are stored in a file. After a long time, the log content becomes unusually large. It is not conducive to archiving, backup, and analysis of log files. You can run scripts on a daily basis to automatically cut logs and