Shell

A new version of Bash supports one-dimensional arrays. Array elements can be initialized using the notation variable[xx]. Alternatively, the script can use the DECLARE-A variable statement to specify an array, and so on. To refer to an array element

Tutorial Learn how to use Photoshop to make a simple apple iPhone4 back shell, mainly used in the rounded Rectangle tool and layer mask, let's learn to put together. Look at the effect chart first. Triple recommended: photoshop7.0 Mini version

In Linux, the/proc/$PID/status file provides the usage of the process resources (memory, stack, semaphore, child parent process), although Linux provides a lot of commands to view memory, but it's all about the overall usage and cannot view the

Now on the market to sell U disk, from the material, there are metal u disk, silicone u disk, Jade U disk, Plastic (PVC) u disk and so on. One PVC and silicone disk is more popular. However, most users are still difficult to distinguish between the

There are now port-proof tools, such as Psad, Portsentry, but feel the configuration is a bit cumbersome, and the server does not want to install an additional software. So I wrote a shell script to implement this function. The basic idea is: the

The shell processing DB2 database, which is written for work needs, extracts DB2 data from the shell and processes it. #SQL文定义 Sql= "SELECT AAA, BBB, CCC from MYTBL1" #执行SQL Sdata= ' DB2 ' "$SQL" #返回值判断 If [$?-ne 0] Then #显示db2返回的错误信息 echo "

In Linux shell programming, date addition and subtraction operations are often used I used to calculate myself through the expr function, which is troublesome. In fact, the date command itself provides the addition and subtraction of dates. Very

For an ASP. NET Web Forms application, the requested URL corresponds to a specific physical file (http://xxx.com/default.aspx). Such URLs are tightly bound to specific physical files, bringing many convenient limitations: readability, SEO

Tag: Terminal message exists time archive consumer Ror mit MailAbout redirectsAdditional redirection operatorsUse set-c collocationPOSIX Shellprovides options to prevent accidental file truncation:Runset-ccommand to openShellthe so-called forbidden

As a Linux little white, just learn a little bit to remember:When deploying the server. It is often necessary to view the console output as a local, to be able to view the log output in Linux, and, of course, to have the log displayed in real time

#!/bin/shAa= ' \e[1;31m 'bb= ' \e[1;32m 'Cc= ' \e[1;33m 'Dd= ' \e[1;34m 'Ee= ' \e[1;35m 'ff= ' \e[1;36m 'gg= ' \e[1;37m 'res= ' \e[0m 'Cat () {Echo-e "${aa} ===================================== ${res}"Echo-e "${DD} ======== 1.mysql function look ===

1. Introduction\2. The Business Server remotely updates the script to browse the server files#!/bin/bashoperate=$1IP=$2Conf_file="/var/www/html/test/ip_list"File_chsum="/var/www/html/test/cksvalue"File_ser="10.60.10.62"cksum () {SSH

#!/bin/shCat () {Echo-e "${aa} ===================================== ${res}"Echo-e "${DD} ======== 1.mysql function look ====== ${res}"Echo-e "${ff} ======== 2.samba function look ====== ${res}"Echo-e "${CC} ======== 3.postfix function look = = =

#! /bin/shLook for Shell interpreter/bin/sh is a path#! /usr/bin/pythonJust looking for a Python interpreter.Ways to execute a Linux program:Enables the file to execute directly with executable permissionsInvoke the interpreter to runUse Source to

Method 1:Monitoring disk or CPU exceeding a certain value mail alert script:[email protected] scripts]# cat check.sh#!/bin/bashLang=en_us. UTF-8cpuused= ' Top-n 1|awk-f ' [,%]+ ' nr==3 {print100-$11} 'diskused=$ (df-h|awk-f ' [%]+ '/\/$/{print $}

I. Introduction to Linux Shell1. Shell overviewThe shell is an interface that the user interacts with the kernel, and the most popular shell is now called the Bash shellThe shell is a programming language The Shell is a scripting language, so you

As a result of the work to cross-compile the application from the PC repeatedly, and through TFTP download to the ZYNQ board to run debugging. Repeated knocking commands are too cumbersome, so write a script to automate the download, change

In the previous blog, we introduced some of the features of Shell programming, namely command aliases, command history, shortcut keys, command completion, command line expansion, command execution results, escape characters, wildcards, IO

Job One: organize regular expression BlogsJob Two: grep jobs (regular expressions and character processing)Target file/etc/passwd, using the grep command or Egrep1. All rows containing root are displayed:2. Output any rows that contain bash, and

Tag: Replace pattern match shell variable assignmentShell variable assignment and environmentToday, with the architect (Fan) doing a code-count script, I learned the following:1) command in script, just string, longer command can be changed to