Mediawiki/Installing

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Installing | Multiple Instances | Ubuntu Installation | CentOS7 Installation

Contents

Installation Overview

All instructions done on Oracle Linux 6.5
Below are instructions for setting up a single instance of mediawiki on a server, however i've specifically included certain instructions in order to easily allow for multiple instances of mediawiki on the same server. If you want to configure multiple instances, once done with the the configuration below, you can go to the Multiple Instances page.

install apache2

find the package name and install

~$ sudo yum search apache
Loaded plugins: security
...
httpd.x86_64 : Apache HTTP Server

~$ sudo yum install httpd.x86_64

install php & mysql

~$ sudo yum install php php-mysql php-gd mysql-server php-xml mysql

setup mysql

make sure mysql is started

~$ sudo service mysqld status
or
~$ sudo service mysqld start

setup the basics

~$ sudo mysql_secure_installation
Set root password? [Y/n] y
Remove anonymous users? [Y/n] y
 Disallow root login remotely? [Y/n] y
Remove test database and access to it? [Y/n] y
Reload privilege tables now? [Y/n] y

login to db

~$ mysql -u root -p

Create mysql wiki user

~$ mysql> CREATE USER 'wiki'@'localhost' IDENTIFIED BY 'THISpasswordSHOULDbeCHANGED';
~$ mysql> exit

login as new user to verify account works

~$ mysql -u wiki -p
~$ mysql> exit

create DB

~$ mysql -u root -p
~$ mysql> CREATE DATABASE sewikidatabase;

verify DB creation

~$ mysql> SHOW DATABASES;

assign rights to wiki user for new database created

~$ mysql> GRANT ALL PRIVILEGES ON sewikidatabase.* TO 'wiki'@'localhost' IDENTIFIED BY 'wikiuserpassword' WITH GRANT OPTION;
~$ mysql> exit

verify permissions have been granted

~$ mysql -u wiki -p
~$ mysql> SHOW GRANTS;
+---------------------------------------------------------------------------------------------------------------+
| Grants for [email protected]                                                                                   |
+---------------------------------------------------------------------------------------------------------------+
| GRANT USAGE ON *.* TO 'wiki'@'localhost' IDENTIFIED BY PASSWORD '*2K21458K438UYE85A38B9Y7Y78DAEBF4T8689YK4' |
| GRANT ALL PRIVILEGES ON `sewikidatabase`.* TO 'wiki'@'localhost' WITH GRANT OPTION                          |
+---------------------------------------------------------------------------------------------------------------+
1 row in set (0.00 sec)

set apache and mysql to start on boot

~$ chkconfig httpd on
~$ chkconfig mysqld on

download mediawiki and verify

http://www.mediawiki.org/wiki/Download
http://da44en.wordpress.com/2004/08/16/practical-gnupg/
mediawiki

~$ wget http://releases.wikimedia.org/mediawiki/1.22/mediawiki-1.22.6.tar.gz

gpg signature

~$ wget http://releases.wikimedia.org/mediawiki/1.22/mediawiki-1.22.6.tar.gz.sig

gpg keys

~$ wget wget https://www.mediawiki.org/keys/keys.txt

import keys

~$ gpg --import keys.txt

verify file with detached sig

~$ gpg --verify mediawiki-1.22.6.tar.gz.sig mediawiki-1.22.6.tar.gz
gpg: Signature made Thu 24 Apr 2014 07:42:22 PM EDT using RSA key ID 7F901A30
gpg: Good signature from "Mark A. Hershberger <[email protected]>"
gpg: WARNING: This key is not certified with a trusted signature!
gpg:          There is no indication that the signature belongs to the owner.
Primary key fingerprint: 3CEF 8262 806D 3F0B 6BA1  DBDD 7956 EE47 7F90 1A30

This means the file was verified successfully

gpg: Good signature from "Mark A. Hershberger <[email protected]>"

create dir/export tar contents

~$ sudo mkdir /var/www/html/sitename.com
~$ tar -C /var/www/html/sitename.com -zxf mediawiki-1.22.6.tar.gz

configure apache

make a backup of the default httpd.conf

~$ sudo cp /etc/httpd/conf/httpd.conf /etc/httpd/conf/httpd.conf.default

make sure that the following is in your httpd.conf and is NOT commented out

Include conf.d/*.conf

also in httpd.conf make sure to specify your host's name

ServerName server.fqdn.com

Make a new conf file just for this site under /etc/httpd/conf.d/
edit domain.conf

~$ sudo vi /etc/httpd/conf.d/domain.conf
add:
<VirtualHost *:80>
       ServerName servername.com
       ServerAdmin [email protected]
       DocumentRoot /var/www/html/servername/mediawiki-1.22.6/
       TransferLog logs/servername-access_log
       ErrorLog logs/servername-error_log
</VirtualHost>

discover httpd user name

~$ cat /etc/passwd
root:x:0:0:root:/root:/bin/bash
bin:x:1:1:bin:/bin:/sbin/nologin
daemon:x:2:2:daemon:/sbin:/sbin/nologin
adm:x:3:4:adm:/var/adm:/sbin/nologin
lp:x:4:7:lp:/var/spool/lpd:/sbin/nologin
sync:x:5:0:sync:/sbin:/bin/sync
shutdown:x:6:0:shutdown:/sbin:/sbin/shutdown
halt:x:7:0:halt:/sbin:/sbin/halt
mail:x:8:12:mail:/var/spool/mail:/sbin/nologin
uucp:x:10:14:uucp:/var/spool/uucp:/sbin/nologin
operator:x:11:0:operator:/root:/sbin/nologin
games:x:12:100:games:/usr/games:/sbin/nologin
gopher:x:13:30:gopher:/var/gopher:/sbin/nologin
ftp:x:14:50:FTP User:/var/ftp:/sbin/nologin
nobody:x:99:99:Nobody:/:/sbin/nologin
dbus:x:81:81:System message bus:/:/sbin/nologin
vcsa:x:69:69:virtual console memory owner:/dev:/sbin/nologin
rpc:x:32:32:Rpcbind Daemon:/var/cache/rpcbind:/sbin/nologin
ntp:x:38:38::/etc/ntp:/sbin/nologin
saslauth:x:499:76:"Saslauthd user":/var/empty/saslauth:/sbin/nologin
postfix:x:89:89::/var/spool/postfix:/sbin/nologin
rpcuser:x:29:29:RPC Service User:/var/lib/nfs:/sbin/nologin
nfsnobody:x:65534:65534:Anonymous NFS User:/var/lib/nfs:/sbin/nologin
abrt:x:173:173::/etc/abrt:/sbin/nologin
haldaemon:x:68:68:HAL daemon:/:/sbin/nologin
sshd:x:74:74:Privilege-separated SSH:/var/empty/sshd:/sbin/nologin
tcpdump:x:72:72::/:/sbin/nologin
oprofile:x:16:16:Special user account to be used by OProfile:/home/oprofile:/sbin/nologin
adminuser:x:500:500::/home/adminuser:/bin/bash
apache:x:48:48:Apache:/var/www:/sbin/nologin
mysql:x:27:27:MySQL Server:/var/lib/mysql:/bin/bash

the user we want is

apache:x:48:48:Apache:/var/www:/sbin/nologin

give folder rights to apache user

~$ sudo chown -R apache:apache /var/www/html/servername/mediawiki-1.22.6/

verify

~$ ls -la /var/www/html/servername/
total 12
drwxr-xr-x.  3 root   root   4096 Apr 28 14:52 .
drwxr-xr-x.  3 root   root   4096 Apr 28 15:16 ..
drwxr-xr-x. 13 apache apache 4096 Apr 24 17:24 mediawiki-1.22.6

restart apache and finalize install

~$ sudo service httpd restart

Browse to your site's URL
it will let you know no LocalSettings.php file was found and give you a link to begin installation. This install script asks you a bunch of questions and will generate the LocalSettings.php based on your responses.
Save the LocalSettings.php file and copy to your site's directory, which in this case was:

~$ /var/www/html/servername/mediawiki-1.22.6/

If you opted for Image Uploads, it would have asked for which directory deleted files will go in, by default it is /var/www/html/servername/mediawiki-1.22.6/images/deleted/, so do the following:

~$ sudo mkdir /var/www/html/servername/mediawiki-1.22.6/images/deleted/
~$ sudo chown apache:apache /var/www/html/servername/mediawiki-1.22.6/images/deleted/

Restart Apache

~$ sudo service httpd restart

Reload the page and your wiki should be operational or at least ready for further configuration.

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