(r23) TWikiSystemRequirements < TWiki

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---# TWiki System Requirements

_Server and client system requirements for TWiki 01-Dec-2001_

---++ Overview

Maintaining minimum client and server requirements is necessary to keep TWiki deployment as broad as possible.

---++ Server Requirements

TWiki is written in Perl 5, uses a number of shell commands, and requires [[http://www.gnu.org/software/rcs/rcs.html][RCS (Revision Control System)]], a GNU Free Software package. TWiki is developed in a basic Linux/Apache environment. It also works with Microsoft Windows, and should have no problem on any other platform that meets the requirements:

| *Required Server Environment* |||
| *Resource* | *Unix* | *Windows* |
| Perl |  5.005_03 or higher  ||
| Non standard Perl modules |  =Net::SMTP= (or =sendmail=)  |  =Net::SMTP=, =MIME::Base64=, =Digest::SHA1=  |
| RCS |  5.7 or higher  ||
| Other external programs |  =ls, fgrep, egrep=  ||
| Web server |  Apache; others (with support for CGI, authentication, extended path) ***  ||

Current documentation covers Linux only. A [[http://twiki.org/cgi-bin/view/Codev/TWikiOnWindows][TWikiOnWindows]] installation guide is next. 

---++ Client Requirements

The TWiki [[TWikiInstallationGuide][standard installation]] has extremely low browser requirements:

   * HTML 3.2 compliant
   * generates XHTML 1.0 pages that are compatible with HTML 3.2
   * minimal use of <nop>JavaScript in the user interface (degrades gracefully)
   * no cookies
   * no CSS

You can easily add capabilities, through customizing the templates, for one, while tailoring the browser requirements to your situation. 

---++ Known Issues

   * The new TWikiPlugins feature currently does not have compatibility guidelines for developers. Plugins can require just about anything: browser-specific functions, stylesheets (CSS), DHTML, Java applets, cookies.

-- MikeMannix - 08 Jan 2002

Topic revision: r23 - 2002-01-09 - MikeMannix

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