MediaWiki

This page documents how to set up MediaWiki on Funtoo Linux.

Add the following line to /etc/make.conf:

PHP_TARGETS="php-5-4"

Add the following lines to /etc/portage/package.use/php:

dev-lang/php curl exif fpm gd mysql mysqli sockets suhosin threads intl
>=dev-php/xcache-2.0.0 php_targets_php5-4

Emerge xcache. This should pull in MySQL as well as php-5.4 and postfix:

# emerge --jobs xcache

Time to configure MySQL with a root password, start it, secure it, and enable it to start at boot:

# emerge --config mysql
# rc-update add mysql default
# rc
# mysql-secure-installation

While we're at it, let's enable postfix:

# rc-update add postfix default
# rc

Now, let's create a database named mediawiki for use by MediaWiki, and a mediawiki@localhost user to access this database, using a password of wikifever:

# mysql -u root -p
Enter password: 
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 7
Server version: 5.1.62-log Gentoo Linux mysql-5.1.62-r1

Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> create database mediawiki;
Query OK, 1 row affected (0.01 sec)

mysql> grant index, create, select, insert, update, delete, alter, lock tables on mediawiki.* to 'mediawiki'@'localhost' identified by 'wikifever';
Query OK, 0 rows affected (0.01 sec)

mysql> \q
Bye
# 

We will use nginx as our Web server. Let's emerge it:

# emerge --jobs nginx

When we run our wiki, we will run it as the docs user, for security. Let's set up a docs user and group:

# groupadd docs
# useradd -g docs --home /home/docs docs
# install -d /home/docs
# chown -R docs:docs /home/docs

We're getting close. Now, head to http://www.mediawiki.org/wiki/Download and copy the link address for the latest version of MediaWiki, currently 1.19.1 at the time this was written. Let's download the archive to /var/tmp:

# cd /var/tmp
# wget http://download.wikimedia.org/mediawiki/1.19/mediawiki-1.19.1.tar.gz

As our last major configuration step, we will configure the PHP FastCGI Process Manager by creating a /etc/php/fpm-php5.4/php-fpm.conf file with the following contents (existing contents can be deleted):

[global]
error_log = /var/log/php-fpm.log
log_level = notice

[docs]
listen = /var/run/docs.php-fpm.socket
listen.allowed_clients = 127.0.0.1
listen.owner = docs
listen.group = nginx
listen.mode = 0660
user = docs
group = docs
pm = dynamic
pm.max_children = 16
pm.start_servers = 2
pm.min_spare_servers = 2
pm.max_spare_servers = 2
pm.max_requests = 500
php_admin_value[open_basedir] = /home/docs/public_html:/tmp
php_admin_value[error_log] = /home/docs/php-errors.log
php_admin_value[disable_functions] = exec, system, shell_exec, passthru, popen, dl, curl_multi_exec, posix_getpwuid, 
 disk_total_space, disk_free_space, escapeshellcmd, escapeshellarg, eval, get_current_user, getmyuid, getmygid, 
 posix_getgrgid, parse_ini_file, proc_get-status, proc_nice, proc_terminate, suexec, pclose, virtual, set_time_limit, show_source

This configuration file tells PHP to use the docs user when running MediaWiki. Please note that the last line is very long - I have split it into 3 lines for readability on this wiki, but you should combine them into a single line in your configuration file. The line should start with php_admin_value[disable_functions] and end with show_source.