Troubleshooting Tales: Conquering MediaWiki Install Woes

What to do if your MediaWiki installation goes wrong. This video gives some advice on how to solve typical MediaWiki installation problems.

MediaWiki website: https://mediawikik.org
Get MediaWiki at: https://www.mediawiki.org/wiki/Download
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Possible installation challenges and their solutions

Cannot access the database (HY000/1045) 0:45
Cannot access the database (HY000/1045) 1:19
Cannot access the database (HY000/1045) 1:32
Cannot access the database (HY000/1045) 2:39

Why is “complete the installation” link shown instead of “set up the wiki” link 0:14
How to restart the installation 3:34
What version of PHP to use 4:28
MediaWiki Installation does not see MariaDB or MySQL database 6:04
MediaWiki 1.39 Internal error – Installing som PHP extensions is required. 7:13
Effect missing LocalSetting.php has on completed installation 8:52