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Chủ đề: [VPS Linux] Hướng dẫn cài đặt Apache, MySQL, PHP để chạy 1 trang web

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    [VPS Linux] Hướng dẫn cài đặt Apache, MySQL, PHP để chạy 1 trang web

    Update VPS
    yum update
    About LAMP
    LAMP stack is a group of open source software used to get web servers up and running. The acronym stands for Linux, Apache, MySQL, and PHP. Since the server is already running CentOS, the linux part is taken care of. Here is how to install the rest.

    Set Up
    The steps in this tutorial require the user on the virtual private server to have root privileges. You can see how to set that up in the Initial Server Setup Tutorial in steps 3 and 4.

    Step One—Install Apache
    Apache is a free open source software which runs over 50% of the world’s web servers.

    To install apache, open terminal and type in this command:
    sudo yum install httpd
    Once it installs, you can start apache running on your VPS:
    sudo service httpd start
    That’s it. To check if Apache is installed, direct your browser to your server’s IP address (eg. http://12.34.56.789). The page should display the words “It works!" like this.

    How to find your Server’s IP address
    You can run the following command to reveal your server’s IP address.
    ifconfig eth0 | grep inet | awk '{ print $2 }'
    Step Two—Install MySQL
    MySQL is a powerful database management system used for organizing and retrieving data on a virtual server

    To install MySQL, open terminal and type in these commands:
    sudo yum install mysql-server
    sudo yum -y install php-mysql
    sudo yum install php-mbstring
    sudo service mysqld start
    During the installation, MySQL will ask you for your permission twice. After you say Yes to both, MySQL will install.

    Once it is done installing, you can set a root MySQL password:
    sudo /usr/bin/mysql_secure_installation
    The prompt will ask you for your current root password.

    Since you just installed MySQL, you most likely won’t have one, so leave it blank by pressing enter.
    Enter current password for root (enter for none):
    OK, successfully used password, moving on...
    Then the prompt will ask you if you want to set a root password. Go ahead and choose Y and follow the instructions.

    CentOS automates the process of setting up MySQL, asking you a series of yes or no questions.

    It’s easiest just to say Yes to all the options. At the end, MySQL will reload and implement the new changes.

    By default, a MySQL installation has an anonymous user, allowing anyone
    to log into MySQL without having to have a user account created for
    them. This is intended only for testing, and to make the installation
    go a bit smoother. You should remove them before moving into a
    production environment.

    Remove anonymous users? [Y/n] y
    ... Success!

    Normally, root should only be allowed to connect from 'localhost'. This
    ensures that someone cannot guess at the root password from the network.

    Disallow root login remotely? [Y/n] y
    ... Success!

    By default, MySQL comes with a database named 'test' that anyone can
    access. This is also intended only for testing, and should be removed
    before moving into a production environment.

    Remove test database and access to it? [Y/n] y
    - Dropping test database...
    ... Success!
    - Removing privileges on test database...
    ... Success!

    Reloading the privilege tables will ensure that all changes made so far
    will take effect immediately.

    Reload privilege tables now? [Y/n] y
    ... Success!

    Cleaning up...

    All done! If you've completed all of the above steps, your MySQL
    installation should now be secure.

    Thanks for using MySQL!
    Step Three—Install PHP
    PHP is an open source web scripting language that is widely used to build dynamic webpages.

    To install PHP on your virtual private server, open terminal and type in this command:
    sudo yum install php php-mysql
    Once you answer yes to the PHP prompt, PHP will be installed.

    PHP Modules
    PHP also has a variety of useful libraries and modules that you can add onto your server. You can see the libraries that are available by typing:
    yum search php-
    Terminal then will display the list of possible modules. The beginning looks like this:
    php-bcmath.x86_64 : A module for PHP applications for using the bcmath library
    php-cli.x86_64 : Command-line interface for PHP
    php-common.x86_64 : Common files for PHP
    php-dba.x86_64 : A database abstraction layer module for PHP applications
    php-devel.x86_64 : Files needed for building PHP extensions
    php-embedded.x86_64 : PHP library for embedding in applications
    php-enchant.x86_64 : Human Language and Character Encoding Support
    php-gd.x86_64 : A module for PHP applications for using the gd graphics library
    php-imap.x86_64 : A module for PHP applications that use IMAP
    To see more details about what each module does, type the following command into terminal, replacing the name of the module with whatever library you want to learn about.
    yum info name of the module
    Once you decide to install the module, type:
    sudo yum install name of the module
    You can install multiple libraries at once by separating the name of each module with a space.

    Congratulations! You now have LAMP stack on your droplet!

    We should also set the processes to run automatically when the server boots (php will run automatically once Apache starts):
    sudo chkconfig httpd on
    sudo chkconfig mysqld on
    Step Four—RESULTS: See PHP on your Server
    Although LAMP is installed on your virtual server, we can still take a look and see the components online by creating a quick php info page

    To set this up, first create a new file:
    sudo nano /var/www/html/info.php
    Add in the following line:
    <?php
    phpinfo();
    ?>
    Then Save and Exit.

    Restart apache so that all of the changes take effect on your virtual server:
    sudo service httpd restart
    Finish up by visiting your php info page (make sure you replace the example ip address with your correct one): http://12.34.56.789/info.php

    It should look similar to this.



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    Lần sửa cuối bởi nghiammo1992, ngày 22/04/2014 lúc 22:22.
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