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In the process of server operation, often need to monitor the various resources of the server, such as: CPU load monitoring, disk usage monitoring, process number monitoring and so on, in order to alarm the system in time of abnormal, notify the

The following code is to improve the production efficiency of the brush machine. With basic shell programming, a lot of things can become so simple. update.sh #! /bin/sh set-x echo "Start update ..." If [-F/MNT/SD_CARD/AONI_UPDATE/APP_5.1.6.JFFS2] &

This article is mainly to share with you the PHP Deserialization Vulnerability series of PHP serialization and the principle of the anti-serialization of the relevant knowledge, there is a need for friends to learn from this. Hope to help everyone.

This article for you to share the next PHP Anti-serialization Vulnerability series of PHP serialization and anti-serialization principle of the relevant knowledge, there is a need for friends to learn from this. 0. Preface The serialization and

Ec (2); I used the ereg function in the php tutorial to verify the email address, user name, and url address instance. Split the url & lt ;? $ Url & quot; www.111cn.net & quot; $ www_urlereg (& quot; ^ (www ). ([[: alnum:] + ). ([[: alnum:] +) &

Shell IntroductionThe Shell language is familiar to anyone who touches LINUX and is a system user interface that provides an interface for users to interact with the kernel. It receives the command entered by the user and feeds it into the kernel to

Ext.: http://www.jianshu.com/p/bd7bf38d9b87 A preliminary study on Redis Cluster (1)-Cluster construction and expansion words 2278 read 154 reviews 0 Likes 2 Redis cluster is the official Redis cluster implementation, before which there have been

Increase timing Detection Linux memory, timely cleanup functionOriginal: http://www.voidcn.com/article/p-wnmannom-boa.htmlFree-m view, found the memory ran full.Top, and then press Shift+m, that is, by the percentage of memory occupied, found in the

Zabbix UseWrite your own script template and Zabbix comes with a template two ways to add monitoring for a specified process and port1. Self-monitoring templates for OS monitoring Enter /usr/local/zabbix/etc/zabbix_agentd.conf configuration file

Now all of the popular automation operations, may not be the current technology, many automation tools are not used, so this time only through SSH to achieve the function.Description: A simple script of your own, just to achieve the basic

Do you still remember the regular expression that used to calculate prime numbers? The world of programming is so interesting that you will always be able to see something special. Have you ever thought that you can put your variables and functions

PHP writing format (mandatory). php writing details are mandatory. PHP writing format description (required). php writing details must start with an example. Start the editor, create a php file, and type the following code: phpecho Hello !; Name the

[Translation] SpeedingupyourPHPscripts I 've been coding in PHP ever since I was 13, over the years I have seen divide different coding styles and standards being used. however most of them weren't optimised. I have been writing PHP code since I

PHP is often easy to remember. 1. Differences between echo and print: echo and print functions are basically the same (output) in PHP, but there are still slight differences between the two. No return value after echo output, but print has a return

Mod_gzip is an Apache module whose function is to compress static HTML pages using gzip, and the browser that adheres to the IETF standard can accept gzip encoding (IE, Netscape, etc.). Mod_gzip can increase the download time of the page by up to 4-5

First, write in front ofSince Jumpserver currently does not support dual-machine hot standby, the program uses database and system user data backup implementation, mainly in the following areas:1, MySQL database master synchronization2. System files:

I. Themeprompt='%{$fg [blue]%}[%d%*]${pr_rst}%{$fg [red]%}>%{$fg [yellow]%}>%{$fg [Green]%}>${pr_rst }%{$purple%}%n${pr_rst} at %{$orange%}iwm-yyz${pr_rst} in%{$limegreen%}%~${pr_rst} $vcs _info_msg_0_$ ( Virtualenv_info)'Second, the terminal

 Make common inline functions1. Function call$ (function arguments) The result of a #$ reference is the result of a function generation2. Functions commonly used under makefile1) $ (wildcard PATTERN) #匹配当前目录下的文件Example: src=$ (wildcard *.c)

1. Loop through all nodes#!/bin/Bashipprefix=192.168. 1 . User=rootpwd=000000for ((i=;i148; i++)) { . /remote.exp $IpPrefix $i $User $Pwd >> tmp/$i echo"$i done! " }& Done2. copy files to all nodes#!/usr/local/bin/expect-fset Timeout-1

1. Formatted output Chop is the alias of RTrim (); LTrim () Trim () NL2BR () converts \ n to print,echo,printf (), sprintf (): Echo () is not a function, print () is a function, has a return value, boolen,false,true; printf () Formatted