Title: VPS & Opcode cache not installed
Last modified: August 22, 2016

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# VPS & Opcode cache not installed

 *  [seastead](https://wordpress.org/support/users/seastead/)
 * (@seastead)
 * [11 years, 2 months ago](https://wordpress.org/support/topic/vps-opcode-cache-not-installed/)
 * Hi, I’m running W3TC on biganimals.com
    The server is a VPS with Xcache, but 
   get the following when I run the compatibility test, which has left me running
   Disk: Basic
 * Server Modules & Resources:
 * Plugin Version: 0.9.4.1
    PHP Version: 5.6.4; Web Server: Apache FTP functions:
   Installed (required for Self-hosted (FTP) CDN support) Multibyte String support:
   Installed (required for Rackspace Cloud Files support) cURL extension: Installed(
   required for Amazon S3, Amazon CloudFront, Rackspace CloudFiles support) zlib
   extension: Installed (required for compression support) Opcode cache: Not installed
   Memcache extension: Not installed HTML Tidy extension: Not installed (required
   for HTML Tidy minifier suppport) Mime type detection: Not installed (required
   for CDN support) Hash function: Installed (hash) (required for NetDNA / MaxCDN
   CDN purge support) Safe mode: Off Open basedir: Off zlib output compression: 
   Off set_time_limit: Available mod_deflate: Not detected (required for disk enhanced
   Page Cache and Browser Cache) mod_env: Not detected (required for disk enhanced
   Page Cache and Browser Cache) mod_expires: Not detected (required for disk enhanced
   Page Cache and Browser Cache) mod_headers: Not detected (required for disk enhanced
   Page Cache and Browser Cache)
 * [https://wordpress.org/plugins/w3-total-cache/](https://wordpress.org/plugins/w3-total-cache/)

The topic ‘VPS & Opcode cache not installed’ is closed to new replies.

 * ![](https://ps.w.org/w3-total-cache/assets/icon-256x256.png?rev=1041806)
 * [W3 Total Cache](https://wordpress.org/plugins/w3-total-cache/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/w3-total-cache/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/w3-total-cache/)
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 * [Unresolved Topics](https://wordpress.org/support/plugin/w3-total-cache/unresolved/)
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## Tags

 * [dreamhost](https://wordpress.org/support/topic-tag/dreamhost/)
 * [not installed](https://wordpress.org/support/topic-tag/not-installed/)
 * [Opcode cache](https://wordpress.org/support/topic-tag/opcode-cache/)
 * [vps](https://wordpress.org/support/topic-tag/vps/)
 * [W3TC](https://wordpress.org/support/topic-tag/w3tc/)

 * 0 replies
 * 1 participant
 * Last reply from: [seastead](https://wordpress.org/support/users/seastead/)
 * Last activity: [11 years, 2 months ago](https://wordpress.org/support/topic/vps-opcode-cache-not-installed/)
 * Status: not resolved