Shell

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

By curl the-w parameter we can customize the output of the curl,%{http_code} represents the HTTP status code The code is as follows Copy Code # curl-i-M 10-o/dev/null-s-W%{http_code} www.111cn.net The above

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

How to calculate the number of files and directories in the current directory # ls-l * |grep "^-" |wc-l----to count files # ls-l * |grep ' ^d ' |wc-l-----to Count dir How do I just column subdirectories? Ls-f | grep/$

For example, you might want to refer to the following implementation for a script that requires only sequential access to a resource, such as a disk file. Copy Code code as follows: #!/bin/bash # # File locking using Bash. # ver 0.1.6

[s005 you] # cat Haproxy_expect Copy Code code as follows: #!/usr/bin/expect Set Ssh_user "Fivetrees" Set Password "123456" Spawn ssh-i/root/.ssh/$ssh _user Server004.xd.com Expect_before "No"? { Send "yes\r"} Sleep 0.5

First, create a expect script ssh_expect, which reads as follows: #!/usr/bin/expect-f set hostname [lindex $argv 0] set user [lindex $argv 1] set passwd [lindex $argv 2] s Et timeout set force_conservative 1 if {$force _conservative} { set

Simple Google a bit, not fruit, so sent an email for advice, and soon have a reply. Copy Code code as follows: Path = "C:\test.jpg" arr = Split (Path, "\") FileName = arr (Ubound (arr)) FolderPath = Left (path, Len (path)-Len (FileName)-

Sign up for a system service to boot from. 1 Script Authoring #vim test.sh Copy Code code as follows: #!/bin/bash #description: hello.sh #chkconfig: 2345 20 81 exec_path=/usr/local/ exec=hello.sh daemon=/usr/local/hello.sh

Shell version Nginx log spider crawl View script Change the path of the Nginx log before usingIf more spiders themselves in the code Spider UA array Riga can #!/bin/bash m= "$ (date +%m)" Case $m in "") m= ' before ';; ") m= ' Feb ';; "

Bash Script Programming:Case statement:Multi-Branch If statement:if CONDITION1; ThenBranch 1Elif CONDITION2; ThenBranch 2...else CONDITION; ThenBranch NFiExample 1: Display a menu to the user;CPU) Display CPU informationMEM) Display Memory

Reference documents:Summary of Shell interception string methods in LinuxHow does [Linux] calculate string lengths in shell scripts?There are eight ways to intercept a string, mainly for the following methodsThere are a number of ways to intercept

Script 1 Stop Lampp#!/bin/bash#set-XV Open debug mode?Count= ' Ps-ef|grep lampp|grep-v "grep" |wc-l ' # "" is the TAB key that holds down shift to appear ~ symbol, excluding the command count lines of grep itselfIf [$count-GT 0] # greater than one

Shell Syntax formatIf statementIf conditionThenCommand sequenceFiIf conditionThenCommand sequenceElseCommand sequenceFiIf conditionThenCommand sequenceElif conditionsThenCommand sequenceElif conditionsThenCommand sequenceElseCommand

The day after tomorrow to reply, today only brush a question, have not written out, but want to update the blog, so only to write the previous things posted out.A shell script for partitioning1 #!/bin/Bash #指定脚本解释器路径 2 echo "Initial a disk ..." 3

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

On an online server, you do not know what operations have been performed. When you log on to the server,-bash-4.1 # does not display the path. So I searched for a solution on the internet. The following solution can solve the problem:Vim ~ /.

Nginx does not support using cronolog to rotate logs like Apache, but you can use the following methods to cut log files:Mv/data1/logs/access. log/data1/logs/20111030.logKill-USR1 Nginx master process numberUse the mv command to rename the log file