debian linux

PHP generates image verification code exercise notes. Php needs to use phpgd library and session to generate a graphic verification code. in this way, the gd library generates images for users to see, then, the user enters the verification code and

How to open GD library support in PHP Support for the PHP-enabled GD library under Linux #开启GD库支持有以下几种方法 # #检测GD库是否安装命令 php5-m | Grep-i GD Or Php-i | Grep-i--color GD # #如未安装GD库, install the server with the following method # # # If the source is

In linux, how does one enter the single-person maintenance mode and reboot the system first? when you press any key in the second, the operating system selection screen will appear. read the instructions below the menu carefully, press "e" to enter

Because many configuration files have been renamed, such as/boot/grub. conf seems to have changed to/boot/grub. although cfg is relatively small, it may affect compatibility. Most linux and unix use. conf to change the configuration file name to.

This is a creation in Article, where the information may have evolved or changed. The system we operate in production requires an elegant exit, that is, after the program receives the exit notification, there is a chance to execute a cleanup code

How to enable the GD Library in PHP. Opening the GD Library is an important parameter in php. it is often used to process images. any processing of images requires the support of the GD Library, next I will introduce the methods and commands for

php5-m | Grep-i GD Or Php-i | Grep-i--color GD Copy Code2, if the GD library is not installed, the server installation, the method is as follows # If the source is installed, add the

In Linux, modify the root password and retrieve the password as a root user. run the following command: # passwd user name (change password) # useradd user name (add user): [root @ bogon ~] # PasswdrootChangingpasswordf... In Linux, modify the root

Enable PHPGD library support in Linux Php5-m | grep-I gd Or Php-I | grep-I -- color gd 2. if the GD library is not installed, install it on the server as follows: # Add a parameter for

Article Title: Use Linux scripts to manage wireless networks. Linux is a technology channel of the IT lab in China. Includes desktop applications, Linux system management, kernel research, embedded systems, open source, and other basic categories to

InstallLAMPServer (Apache, MySQLorMariaDB, PHP) OnUbuntu14.0413.10 MariaDBApacheLAMP LAMPIs a combination of operating system and open-source software stack. The acronym LAMP is derived from first letters of Linux, Apache HTTP Server, MySQL or

For more information about changing the default running level of Ubuntu12.04, the following is a common practice on the startup character interface: (experiment in person, no matter how it is used). If you want to directly operate it, see the green

Article Title: Rhythmbox and Totem do not support MP3 solutions. Linux is a technology channel of the IT lab in China. Including desktop applications, Linux system management, kernel research, embedded systems, open source, and other basic

This afternoon I wanted to test DragonFlydports. I suddenly wondered why I didn't compare the performance difference between PostgreSQL in BSD and Linux. For this reason, I set some standards to compare This afternoon I wanted to test DragonFly

Article Title: instance resolution: Lvs Server Load balancer experiment in a virtual machine. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research,

Log in as root userResetting the root user passwordpasswdReset Tran User PasswordPASSWD Tran============================================================================Redhat/centos system root Password back:Grub Options Menu Press E to enter edit

I. Windows DVD: the installation file is released as a CD/DVD in ISO format. EF: compress the installation files into self-decompressed EXE files and publish them as web downloads. Suite: Package Multiple Products and release them in the form of

These days because of the cause of work, began to contact the whole Zhi A13 chip, I collected on the internet for a long time, but the online information on this aspect of the description is very few,Therefore, only by the data sheet and the

A few days ago, Lao Zhao published two articlesArticle: Use Scala language (I) on the. NET platform: first taste and use Scala language (I) on the. NET platform: analysis. After reading this article, I am also interested in Scala. So I started to

Find a good UNIX learning platform, do not install the system, just use SSH to log on to the system online, you can experience the functions of the system. If you do not want to install the system, you can log on online to solve your problem. The