Joomla

Related articles
Apache HTTP Server
PHP
MySQL
PostgreSQL
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Joomla!
is a free and open-source content management system (CMS) for publishing web content. It is written in PHP and stores the data in a
MySQL
,
PostgreSQL
or MS SQL database.
Among the supported features are page caching, RSS feeds, printable versions of pages, news flashes, blogs, search, and support for language internationalization.
Installation
In order for Joomla to function, the following components need to be installed and configured:
An HTTP server with support for PHP (in the following example
Apache HTTP Server
will be used)
A PHP libraries
An SQL engine (PostgreSQL, MySQL)
In place of a PHP server
Install
the
joomla
AUR
package.
From scratch
Start by
installing
all of the necessary packages:
apache
php
php-apache
mariadb
For MySQL (MariaDB) or PostgreSQL see
#Choosing between MySQL and PostgreSQL
Configuration
Apache
See
Apache HTTP Server#Configuration
After following the instructions you should have a running copy of Apache.
Now to enable PHP support we need to get back to editing
/etc/httpd/conf/httpd.conf
:
PHP is known not to work with
mod_mpm_event.so
module. So we need to disable it in favor of
mod_mpm_prefork.so
like this:
#LoadModule mpm_event_module modules/mod_mpm_event.so
LoadModule mpm_prefork_module modules/mod_mpm_prefork.so
Now we need to add(uncomment) the following line after the
mod_dir.so
module:
LoadModule php_module modules/libphp.so
Add the handler:
AddHandler php-script php
Append at the end of the
Include
list:
Include conf/extra/php_module.conf
And we are done!
MySQL
Choosing between MySQL and PostgreSQL
When choosing between
MySQL
(MariaDB) and
PostgreSQL
one should consider that MySQL's design is supposed to be fast and light vs more solid all-in-one PostgreSQL approach. For the purpose of this article MySQL was chosen because:
it is more lightweight
it is licensed under GPL(vs MIT)
See
MariaDB
to install.
After the base installation and configuration has been completed, it is time to perform some more detailed setup.
First, create the database for your future website:
$ mysqladmin -u root -p create joomla
The naming convention is optional, but for the sake of clarity the database will be called 'joomla'
It is recommended to avoid using root MySQL account for everyday tasks. In order to create another user one must first invoke mysql interface with:
$ mysql -u root -p
It will prompt you for MySQL's root password. If everything went OK and MySQL server is running, you sould end up with MariaDB prompt akin to this one:
MariaDB [(none)]>
In order to create a privileged user issue a following command:
GRANT SELECT, INSERT, UPDATE, DELETE, CREATE, DROP, INDEX, ALTER, CREATE TEMPORARY TABLES, \
LOCK TABLES ON joomla.* TO '$USER'@'localhost' IDENTIFIED BY '$PASSWD';
If you are setting up a personal server feel free to experiment with the $USER and $PASSWD values.
Warning
The password you enter here will be saved in ~/.mysql_history;
It is impromptu that you get rid of the lines containing your password from that file;
Now, to apply these settings:
FLUSH PRIVILEGES;
quit
PHP
Now to setup our PHP server. We will be running it using Apache.
Edit
/etc/php/php.ini
:
A minimal configuration goes as follows:
Comment out
;output_buffering = 4096
Edit the following value for a more verbose error reporting
error_reporting = E_ALL & ~E_DEPRECATED & ~E_STRICT
display_errors = On
Optional: enable logging
log_errors = On
Enable MySQL support(uncomment the following options):
extension=pdo_mysql
extension=mysqli
To test whether PHP was configured properly add this line somewhere in the body of a simple html page file:
<?php echo '<p>Hello World</p>'; ?>
Save this as some_page.php
Now restart httpd and navigate to
http://localhost/some_page.php
Joomla
By now you should have a working instance of Apache with PHP and MySQL up and running.
Now to get started with joomla, copy the contents of
/usr/share/webapps/joomla
to your document root.
Navigate to your
localhost
You should be presented with the Joomla! installation screen.
Troubleshooting
Note
This section is intended for troubleshooting joomla-related issues. For generic issues see:
Apache HTTP Server#Troubleshooting
and
MariaDB#Troubleshooting
The file Cache Storage is not supported on this platform
It is most likely that Apache does not have write permissions on
$DocumentRoot/cache
Since by default Apache is ran as 'http' user, those must be tweaked accordingly for
$DocumentRoot/cache
and
$DocumentRoot/administrator/cache