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First, pre-preparation 1. Installation of MySQL database: MySQL-5.6.22, self-installing 2. Dubbo Video Tutorial--Basic article--No. 03 Section--zookeeper Registration Center Installation 3. Dubbo Video Tutorial--Basic article--No. 06 Section--dubbo

I'm going to do a high-availability MySQL recently. Make sure that the data in the two databases is consistent with the MySQL master replication method. Combined with LVS and keepalived (Keepalived+lvs's settings will be written in a separate

Backing up Oracle with a bat batch file (provided the Oracle database client is configured)Create a dbbackup directory under the D-Disk directory to build a Dbbak.bat@echo off Echo ================================================ Echo automatic

Mysql5.6 new features : 1. Optimizer improvements: mainly reflected in the index conditions pushdown and a wide range of read data, can reduce the overload. 2,innodb improvements: TheMySQL InnoDB Storage Engine team primarily provides a NoSQL access

Introduction when the MySQL server has a short (5-30 seconds) performance fluctuations, the general performance monitoring tools are difficult to grasp the fault site, it is difficult to collect the corresponding more granular diagnostic information.

For business reasons, you can't keep logs for a fixed number of days, and you can't have the disk space station full, so you can only delete binlog manually.Using the Purge command that comes with MySQLPURGE MASTER LOGS to ' mysql-bin.000002 ';

#!/bin/Bashsrc_path=/mnt/source/xx/xx# Merge All specfile forQuick Searchmergedspec="./allspec-"$(Date+%y%m%d). txtfunctionmerge_all_specs () {Allspec=$(Find$SRC _path-name *. Spec) forSpecfileinch$allSpec DoSpecname=$(basename$specFile) Specprefix=

One: function classification Local function (local variable)local variable name. modifications to variables in the local function are only valid during the current function run. Func1 () {local Name=test;echo "func1:name= $name"; local

Some of the simple scripts that you've knocked over and put them on the occasional look, it won't be long before you feel very pediatric, but it should be helpful to understand the process control of shell scripts.#!/bin/bashp=176.202.52.For I in $ (

Chapter Three Basics of PHP(3.1--3.5)　　3.1 Embed PHP code in a Web pageDefault syntax: Short tags: or --Not recommendedScript: ASP style: 　　3.2 Adding comments to the CodeSingle-line C + + syntax://Shell syntax: #Multi-line C syntax:/*ThisThat*/　　3.

I will regularly collect some good shell and PY scripts to see here, for reference learning:Shell resources:Https://github.com/lannyMa/ops_doc/tree/master/LazyManageCheck Help Chinese Culture sh yum install man-pages-zh-CN -yecho 'LANG=

[Size=5] [Color=red] 40 Suggestions for optimizing PHP code [/color][/size]Tips for optimizing your PHP CodeOriginal address: Http://reinholdweber.com/?p=3The English copyright belongs to Reinhold Weber, the author of Yangyang (aka Davidkoree). The

PHP notes--java programmer to read PHP program PHP is a server-side scripting language with a loosely typed language. XML style scripting style Short Style ASP Styleto end; Comments: A)//b) #c)/* */

This article mainly introduces the basic knowledge of php learning notes. For more information, see This article mainly introduces the basic knowledge of php learning notes. For more information, see I have been studying php for more than a

Echo and Print differences: echo-can output one or more strings Print-allows only one string to be output, with a total return value of 1 tip:The echo output is faster than print, ECHO has no return value, and print has a return

1. format the outputChop is the alias of rtrim;Ltrim ()Trim ()Nl2br () converts \ n to Print, echo, printf (), sprintf ():Echo () is not a function, print () is a function, there are return values, boolen, false, true;Printf () format the output--

Simple Script implementation:#!/bin/bashdevices="SDA SDB"#有几块硬盘就写几块Smartctl=/usr/sbin/Smartctlsmart_tmp_file="/opt/nagios/tmp/.smart" forDEVinch$DEVICES DoREL=`sudo$SMARTCTL-H/dev/$DEV |Egrep-I.'(health status|test result)'|awk-F:'{print $}'|awk

This article mainly introduces PHP's methods for implementing real-time output and Real-Time Output content. This article provides implementation methods directly. If you need them, refer to the old growth talk .. Pure memo For PHP programs that

1#!/bin/bash-2#===============================================================================3 #4# file:mock_res.SH5 # 6# USAGE:./mock_res.SH 7 # 8 # DESCRIPTION:9 # Ten# OPTIONS:--- One# REQUIREMENTS:--- A# BUGS:--- -# NOTES:--- - #

OriginalWebbench can simulate up to 30,000 concurrent connections to test the load capacity of the Web site, the personal feel is better than the Apache AB pressure test tools, installation and use is particularly convenient, and very small.The main