Mediawiki

LocalSettings.php

php -v
mysql -V  # capital V

$ mysql -u root -p -e 'SHOW DATABASES'

$ mysql -u root -p -e 'SHOW TABLES' DB_NAME

apt-get install mediawiki-math

wfLoadExtension( 'Math' );

sudo apt-get install ocaml
cd extensions/Math/math
make

php maintenance/update.php  

cd Downloads
wget https://extdist.wmflabs.org/dist/extensions/MobileFrontend-REL1_30-5ecc673.tar.gz
wget https://extdist.wmflabs.org/dist/skins/MinervaNeue-REL1_30-7ee8663.tar.gz
tar xzvf MobileFrontend-REL1_30-5ecc673.tar.gz -C ../mediawiki-1.30.0/extensions/
tar xzvf MinervaNeue-REL1_30-7ee8663.tar.gz -C ../mediawiki-1.30.0/skins

wfLoadSkin( 'MinervaNeue' ); # put it in the same section of wfLoadSkin

wfLoadExtension( 'MobileFrontend' );
$wgMFAutodetectMobileView = true;
$wgMFDefaultSkinClass = 'SkinMinerva';

$wgShowExceptionDetails = true; # debugging use only

vagrant roles enable mobilefrontend --provision

vagrant enable-role multimediaviewer 
vagrant provision

mysql> DROP DATABASE wikidb;
# set the password for username 'example' to 'newpassword'
sudo php changePassword.php --user=example --password=newpassword
<span style="color: red">
Text is red.
</span>

<sup>1</sup>

library(d3Network)

Source <- c("A", "A", "A", "A", "B", "B", "C", "C", "D") 
Target <- c("B", "C", "D", "J", "E", "F", "G", "H", "I") 
NetworkData <- data.frame(Source, Target) 

d3SimpleNetwork(NetworkData, height = 800, width = 1024, file="tmp.html")
<source lang="rsplus">
library(d3Network)

Source <- c("A", "A", "A", "A", "B", "B", "C", "C", "D") 
Target <- c("B", "C", "D", "J", "E", "F", "G", "H", "I") 
NetworkData <- data.frame(Source, Target) 

d3SimpleNetwork(NetworkData, height = 800, width = 1024, file="tmp.html")
</source>

sudo /etc/init.d/apache2 restart

session.cache_expire=180

session.gc_maxlifetime = 1440

session.cookie_lifetime = 1440

$wgFavicon = "$wgScriptPath/favicon.ico";

chmod 644 favicon.ico
$wgMainCacheType = CACHE_ACCEL;

$wgMaxArticleSize = 100;  # 100 KB

# Enabling mod_rewrite
sudo a2enmod rewrite
sudo systemctl restart apache2

# Setting Up Apache2 configuration file
sudo nano /etc/apache2/sites-available/mediawiki.conf  # new file
sudo a2ensite mediawiki.conf
sudo a2dissite 000-default.conf
sudo apache2ctl configtest
sudo systemctl restart apache2

# Setting up the rewrite rules
sudo nano /var/www/html/.htaccess  # new file

# LocalSettings.php
sudo mv /var/www/html/mediawiki /var/www/html/w
sudo nano /var/www/html/w/LocalSettings.php
# $wgScriptPath = "/w";
# $wgArticlePath = "/wiki/$1";
# $wgUsePathInfo = true;

<VirtualHost *:80>
    <Directory /var/www/html>
        Options Indexes FollowSymLinks MultiViews
        AllowOverride All
        Require all granted
    </Directory>

    ServerAdmin webmaster@localhost
    DocumentRoot /var/www/html

    ErrorLog ${APACHE_LOG_DIR}/error.log
    CustomLog ${APACHE_LOG_DIR}/access.log combined
</VirtualHost>

# Enable the rewrite engine
RewriteEngine On

# Short URL for wiki pages
RewriteRule ^/?wiki(/.*)?$ %{DOCUMENT_ROOT}/w/index.php [L]

# Redirect / to Main Page
RewriteRule ^/*$ %{DOCUMENT_ROOT}/w/index.php [L]

wfLoadExtension( 'WikiEditor' );
$wgDefaultUserOptions['usebetatoolbar'] = 1;

root@ubuntu1804:/var/www/html/mediawiki/extensions# ls -lh SimpleMathJax/
total 20K
-rw-r--r-- 1 root root  829 May 12 11:47 extension.json
drwxr-xr-x 3 root root 4.0K May 12 11:47 modules
-rw-r--r-- 1 root root 1.7K May 12 11:47 README.md
-rw-r--r-- 1 root root 1.3K May 12 11:47 SimpleMathJax_body.php
-rw-r--r-- 1 root root  391 May 12 11:47 SimpleMathJax.php

<span class="texhtml mvar" style="font-style:italic;">{{{1}}}</span>

$ php maintenance/dumpUploads.php | grep Boxplot
images/2/25/Boxplot.svg
$ find images -iname *Boxplot*
images/thumb/2/25/Boxplot.svg
images/thumb/2/25/Boxplot.svg/120px-Boxplot.svg.png
images/thumb/2/25/Boxplot.svg/180px-Boxplot.svg.png
images/thumb/2/25/Boxplot.svg/450px-Boxplot.svg.png
images/thumb/2/25/Boxplot.svg/600px-Boxplot.svg.png
images/thumb/2/25/Boxplot.svg/1200px-Boxplot.svg.png
images/thumb/2/25/Boxplot.svg/400px-Boxplot.svg.png
images/thumb/2/25/Boxplot.svg/240px-Boxplot.svg.png
images/thumb/2/25/Boxplot.svg/900px-Boxplot.svg.png
images/thumb/2/25/Boxplot.svg/300px-Boxplot.svg.png
images/thumb/2/25/Boxplot.svg/200px-Boxplot.svg.png
# Get a list of uploaded images, save them to a new folder
php maintenance/dumpUploads.php | grep images | xargs tar czvf ~/Downloads/backup_files.tar.gz
mkdir ~/Downloads/imagesdir
tar xzvf backup_files.tar.gz -C ~/Downloads/imagesdir
cd ~/Downloads/imagesdir
find images -type f -exec cp {} . \;
rm *.txt
rm *.pdf
rm -rf images

# scp imagesdir to my local computer. Then run
php maintenance/importImages.php --overwrite /mnt
# where imagesdir has been mounted to /mnt
# For some reason, some images are not imported?
chown -R www-data:www-data images

wget -k -p -r -R '*Special*' -R '*Help*' -E http://example.com/wiki
x <- readLines("~/Downloads/linux.txt")
# Manual check possible header levels

# The original source (eg Ubuntu) may be messed up
# Most are starting with '===' but two are starting from '=='
# In that case, we need to fix the source first
# This solves the mystery that TOC does not show up in mobile device
cnt <- 0
ind <- grep("^== ", x)
if (length(ind) > 1) {
  cat("Number of ==", length(ind), "\n")
  cnt <- cnt + 1L
  x[ind] <- gsub("==", paste0(rep("=", cnt), collapse = ""), x[ind])
}

# The rule may fail if '===' occurs in a preformated text/code
# In this case we can safely ignore the cases.
ind <- grep("^=== ", x)
if (length(ind) > 1) {
  cat("Number of ===", length(ind), "\n")
  cnt <- cnt + 1L
  x[ind] <- gsub("===", paste0(rep("=", cnt), collapse = ""), x[ind])
}

ind <- grep("^==== ", x)
if (length(ind) > 1) {
  cat("Number of ====", length(ind), "\n")
  cnt <- cnt + 1L
  x[ind] <- gsub("====", paste0(rep("=", cnt), collapse = ""), x[ind])
}

ind <- grep("^===== ", x)
if (length(ind) > 1) {
  cat("Number of =====", length(ind), "\n")
  cnt <- cnt + 1L
  x[ind] <- gsub("=====", paste0(rep("=", cnt), collapse = ""), x[ind])
}
writeLines(x, "~/Downloads/linux2.txt")

	Introduction		Installation		Packages and Repositories		File Managers
	Desktop Add-ons		Virtual Machines		Games and Entertainment		Internet

Mediawiki

Announcements of releases and security updates

Cheatsheet

Keyboard shortcut

Install mediawiki on ubuntu

Check requirement

http://localhost/mediawiki setup

Enable tex for formula

Skins

MobileFrontEnd

Install on Ubuntu 16.04, 18.04

Install mediawiki on debian

Install mediawiki through Vagrant + VirtualBox

Run mediawiki with Docker

Install mediawiki on XAMPP

LocalSettings.php

Customize

Uninstall mediawiki

Mediawiki database

MySQL

Users

Format

Preformatted text with text wrap

Color format: CSS

Preformatted text: nowiki

Display special characters like backslash using unicode

Formatting: Superscript and subscript

Syntax highlight

Create tables

Indent a table or math equation in a list

Link an image but not show it up

Indent in a numbered list

How can I link to a specific answer?

Mediawiki/Apache has no response

Auto timeout

php.ini

'keep me logged in' option

Errors and symptoms

favicon

Change skin

Change user's password

tackle slowness when saving pages

Alternatives to mediawiki

Article size and its limit

Shorten URL (remove index.php)

Change/move main page title

Registration time, password

Extensions

Google Analytics

ImageMap

Math

MobileFrontEnd

WikiEditor

YouTube

Math extension

Mathoid server

Mathoid server on Ubuntu

Mathoid on Docker

SimpleMathJax

How to display index under the sigma sign

Template

Template:Mvar

Trouble shooting

Import images

Fatal exception of type "Wikimedia\Rdbms\DBQueryError"

Backup for offline

Mediawiki to Markdown

How to Create Your Own Offline Wiki

Comparison of wiki hosting services

Use Github Wiki

Clean up

Navigation menu

Search