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Incubator escapee wiki:FAQ/Technical
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==What software is used to run Wikipedia?== :Wikipedia currently runs on [[Wikipedia:MediaWiki|MediaWiki]], created by [[Lee Daniel Crocker]] and written in [[PHP 7]]. We adopted this software in July 2002. Wikipedia originally ran on [[UseModWiki]], a general wiki script by [[user:Clifford Adams|Clifford Adams]] written in [[Perl]]. In January 2002, we switched to the [[Wikipedia:Phase II software|Phase II software]] written by [[Magnus Manske]] in [[PHP]]. :* database backend: [[MariaDB]] :* frontend and caching: [[Apache_Traffic_Server|ATS]] and [[Varnish (software)|Varnish]] :* application server: [[Apache HTTP Server|Apache]] :* domain-name service: gdnsd :* Search: [[Lucene]]-based [[ElasticSearch]] :See [[Special:Version]] for software versions. The Wikipedia servers' [[operating system]] is [[Linux]], using the [[Debian]] distribution. Previously, [[Ubuntu (operating system)|Ubuntu]] was used. For details, see [[m:Wikimedia servers|Wikimedia servers]].
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