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Centos6.6 Basic System OptimizationNetwork settings:Setupvi/etc/sysconfig/netwrok-scripts/ifcfg-eth0Delete HWADDR and UUID rowsdns：/etc/resolv.confLinux version, kernel

The actual PHP news management system uses the bootstrap framework. I just got started with PHP and wrote a news management system modeled on the video. The bootstrap framework is also used. Write down your ideas. This is a very simple system. The

Linux File read/write mechanism and Optimization MethodsGuideLinux is a highly controllable, secure, and efficient operating system. This article only discusses the file read/write mechanism in Linux, and does not involve the comparison of different

Simple configuration of Virtual Machine experiment environment using shell script After writing the shell script, you can find that this is really convenient. When you want to complete some trivial and detailed commands at one time, the script is

Suggestion: use man sh to view improvements or features on UNIX.(1) shell prompt and its environmentThe passwd file shows the shell used by each user after login. The following two files also mean this./Etc/passwd filePrompt: $/Etc/profile $ HOME/.

Linux system tuning authoritative guide, linux tuning Guide 1. Disable SELINUX.1.1 modify the configuration file to make SELINUX disabled permanently effectiveSed's # SELINUX = enforcing # SELINUX = disables # G'/etc/selinux/config ==> restart the

Common configurations after Centos Installation 1.ModifyYumThe source updates the system to the latest version. Fast yum sources in China: Http://mirrors.163.com Http://mirrors.sohu.com First, modify the yum configuration file. # Vi/etc/yum. repos.

Single Process, asynchronous I/O should be able to achieve optimal communication performance, but in reality, we often find that this mode does not achieve the expected results, this may be due to the network adapter and ApplicationProgramCompete

[Nature] Batch Processing Program [PURPOSE] facilitates switching between multiple IP addresses [Applicable] A little bit of BAT, like small and command line, usually need to switch IP [Author] lile [Homepage] not available yet. Haha, come here

Cause   Write this article firstArticleThe reason is described in two simple cases. Case 1: In a Windows operating system, 10 SQL Server instances are installed, and each instance has about 120 databases. Now you need to start the

Including Echo 1. Show or hide files Echo 2. Clear system garbage Echo 3. Unlock the Registry Echo 4. Fixed IE browser Echo 5. Disable default sharing Echo 6. Management Control MMC Echo 7. Clear unnecessary startup items @ Echo off @ Title

1. returns the file extension.Function getformat ($ file){$ Ext = strrchr ($ file ,".");$ Format = strtolower ($ ext );Return $ format;} 2. format the variable$ Num = 1;Printf ("% 04d", $ num );?> 3. php redirection webpage// For example,

Counsellor[5 kaunsele]N.Consultant, lawyer, Counselor Consulate[5 kcnsjulit]N.Consular, consulate, consular Term of office, consular position, power and responsibility Buff[BQF]N.Light yellow, soft skin Brave[Breiv]Adj.Brave Chilly[5

******************** // // Implementation steps// 1. obtain information about the current date and month (default value: current year and month)$ Year = $ _ Get ["Y"]? $ _ Get ["Y"]: date ("Y ");$ MON = $ _ Get ["M"]? $ _ Get ["M"]: date ("M "); // 2

1. system environment variables after the user logs on to the system: $ Home user's own directory $ Path: the directory to be searched during Command Execution $ TZ Time Zone $ Mailcheck the number of seconds to check whether a new letter exists

Linux ShellTruncation character variableThe first 8 bits of the signature are as follows:1. expr substr "$ A" 1 82. Echo $ A | awk '{print substr (, 1, 8 )}'3. Echo $ A | cut-c1-84. Echo $5. expr $ :'/(.//).*'6. Echo $ A | dd BS = 1 COUNT = 8 2>/dev/

  To determine the kernel print level and prink parameter print level, add the following code to the LED driver initialization code [and exit. Each time the insmod and rmmod LED modules are used, different print results are obtained based on the

1. loginprocess. php will obtain $ username = $ _ post ['username'] from the form login. php. During verification, the password for this username should be obtained from the database. $sql="select password from admin where name=‘$username‘"; Be sure

Use Ubuntu to crack wep wireless encryption I. Install ubuntu and aircrack-ngFirst install the latest Ubuntu version and update the system to the latest version.Enter sudo apt-get install aircrack-ng in the terminal to install aircrack-ng.If you are

Use makeself to create the installation file and makeself to create the file Makeself.shis a small shellscript used to generate a self-decompressed tar.gz compressed package from a directory. The result file is displayed as a shell script (most with.