How to install Mediawiki in Centos 7

To install Mediawiki

Before installing Mediawiki, check whether the following services are active.

Apache service

 [root@linuxhelp ~]# systemctl status httpd.service
httpd.service - The Apache HTTP Server
   Loaded: loaded (/usr/lib/systemd/system/httpd.service  enabled  vendor preset: disabled)
   Active: active (running) since Sun 2016-07-10 23:30:51 IST  1h 37min ago
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Jul 10 23:30:51 linuxhelp.com systemd[1]: Started The Apache HTTP Server.

Mariadb service

[root@linuxhelp Desktop]# systemctl status mariadb.service
mariadb.service - MariaDB database server
   Loaded: loaded (/usr/lib/systemd/system/mariadb.service  enabled  vendor preset: disabled)
   Active: active (running) since Sun 2016-07-10 23:30:51 IST  1h 39min ago
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Jul 10 23:30:51 linuxhelp.com systemd[1]: Started MariaDB database server.

If both the services are not active, activate it and proceed.

Open the mysql shell, create the database for Mediawiki content and grant permission for the database.

[root@linuxhelp ~]# mysql &ndash u root -p

Welcome to the MariaDB monitor.  Commands end with   or g.
Your MariaDB connection id is 2
Server version: 5.5.47-MariaDB MariaDB Server
Copyright (c) 2000, 2015, Oracle, MariaDB Corporation Ab and others.
Type ' help '  or ' h'  for help. Type ' c'  to clear the current input statement.
MariaDB [(none)]>  create database media_db 
Query OK, 1 row affected (0.35 sec)
MariaDB [(none)]>  grant all privileges on media_db.* TO ' linux_user' @' localhost'  identified by ' p@ssw0rd'  with grant option 
Query OK, 0 rows affected (0.19 sec)
MariaDB [(none)]>  flush privileges 
Query OK, 0 rows affected (0.00 sec)
MariaDB [(none)]>  q 
Bye

Download the Media-wiki package by using the following command.

[root@linuxhelp ~]# wget https://releases.wikimedia.org/mediawiki/1.24/mediawiki-1.24.2.tar.gz
--2016-07-07 17:54:44--  https://releases.wikimedia.org/mediawiki/1.24/mediawiki-1.24.2.tar.gz
Resolving releases.wikimedia.org (releases.wikimedia.org)... 208.80.154.251, 2620:0:861:ed1a::3:d
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Saving to: ‘ mediawiki-1.24.2.tar.gz’ 
100%[++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=====> ] 21,874,196  49.9KB/s   in 45s   
2016-07-07 18:09:15 (23.6 KB/s) - ‘ mediawiki-1.24.2.tar.gz’  saved [21874196/21874196]

Extract the package by using the " tar" command.

[root@linuxhelp ~]# tar -xvf mediawiki-1.24.2.tar.gz
mediawiki-1.24.2/
mediawiki-1.24.2/opensearch_desc.php5
mediawiki-1.24.2/index.php5
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mediawiki-1.24.2/languages/.htaccess
mediawiki-1.24.2/languages/ConverterRule.php
mediawiki-1.24.2/languages/Language.php

Create a directory inside the web root directory and move the extracted file.

[root@linuxhelp ~]# mv mediawiki-1.24.2 /var/www/html/media

Change the ownership and give the required permission for that media directory.

[root@linuxhelp ~]#  chown -R apache:apache /var/www/html/media/
[root@linuxhelp ~]# chmod 755 /var/www/html/media/

Allow the firewall to access the Media-wiki.

[root@linuxhelp ~]# firewall-cmd --permanent --add-port=80/tcp
success
[root@linuxhelp ~]# firewall-cmd --reload
Success

Check the port using iptables command.

[root@linuxhelp ~]# iptables-save | grep 80
-A IN_public_allow -p tcp -m tcp --dport 80 -m conntrack --ctstate NEW -j ACCEPT

Check the selinux status in webroot directory.

[root@linuxhelp Desktop]# getenforce
Enforcing
[root@linuxhelp Desktop]# restorecon -r /var/www/html/media/