Debian GNU/Linux installation notes
This section contains notes and hints specific to installing PHP on » Debian GNU/Linux.
While you can just download the PHP source and compile it yourself, using Debian's packaging system is the simplest and cleanest method of installing PHP. If you are not familiar with building software on Linux, this is the way to go.
The first decision you need to make is whether you want to install Apache 1.3.x or Apache 2.x. The corresponding PHP packages are respectively named libapache-mod-php* and libapache2-mod-php*. The steps given below will use Apache 1.3.x. Please note that, as of this writing, there is no official Debian packages of PHP 5. Then the steps given below will install PHP 4.
PHP is available in Debian as CGI or CLI flavour too, named respectively php4-cgi and php4-cli. If you need them, you'll just have to reproduce the following steps with the good package names. Another special package you'd want to install is php4-pear. It contains a minimal PEAR installation and the pear commandline utility.
If you need more recent packages of PHP than the Debian's stable ones or if some PHP modules lacks the Debian official repository, perhaps you should take a look at » http://www.apt-get.org/. One of the results found should be » Dotdeb. This unofficial repository is maintained by » Guillaume Plessis and contains Debian packages of the most recent versions of PHP 4 and PHP 5. To use it, just add the to following two lines to your /etc/apt/sources.lists and run apt-get update :
Пример #1 The two Dotdeb related lines
deb http://packages.dotdeb.org stable all deb-src http://packages.dotdeb.org stable all
The last thing to consider is whether your list of packages is up to date. If you have not updated it recently, you need to run apt-get update before anything else. This way, you will be using the most recent stable version of the Apache and PHP packages.
Now that everything is in place, you can use the following example to install Apache and PHP:
Пример #2 Debian Install Example with Apache 1.3
# apt-get install libapache-mod-php4
APT will automatically install the PHP 4 module for Apache 1.3, and all its dependencies and then activate it. If you're not asked to restart Apache during the install process, you'll have to do it manually :
Пример #3 Stopping and starting Apache once PHP 4 is installed
# /etc/init.d/apache stop # /etc/init.d/apache start
Better control on configuration
In the last section, PHP was installed with only core modules. This may not be what you want and you will soon discover that you need more activated modules, like MySQL, cURL, GD, etc.
When you compile PHP from source yourself, you need to activate modules via the configure command. With APT, you just have to install additional packages. They're all named 'php4-*' (or 'php5-*' if you installed PHP 5 from a third party repository).
Пример #4 Getting the list of PHP additional packages
# dpkg -l 'php4-*'
As you can see from the last output, there's a lot of PHP modules that you can install (excluding the php4-cgi, php4-cli or php4-pear special packages). Look at them closely and choose what you need. If you choose a module and you do not have the proper libraries, APT will automatically install all the dependencies for you.
If you choose to add the MySQL, cURL and GD support to PHP the command will look something like this:
Пример #5 Install PHP with MySQL, cURL and GD
# apt-get install php4-mysql php4-curl php4-gd
APT will automatically add the appropriate lines to your different php.ini (/etc/php4/apache/php.ini, /etc/php4/cgi/php.ini, etc).
Пример #6 These lines activate MySQL, cURL and GD into PHP
extension=mysql.so extension=curl.so extension=gd.so
You'll only have to stop/start Apache as previously to activate the modules.
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