TWiki System Requirements
Server and client requirements Low client and server base requirements are core features that keep TWiki widely deployable, particularly across a range of browser platforms and versions. Many Plugins and contrib modules exist which enhance and expand TWiki's capabilities; they may have additional requirements.Server Requirements
TWiki is written in Perl 5, uses a number of shell commands, and requires 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.| Resource | Required Server Environment * |
|---|---|
| Perl | 5.005_03 or higher (5.8.4 or higher is recommended) |
| RCS | 5.7 or higher (including GNU diff) Optional, TWiki includes a pure perl implementation of RCS that can be used instead (although it's slower) |
GNU diff | GNU diff 2.7 or higher is required when not using the all-Perl RcsLite. Install on PATH if not included with RCS (check version with diff -v) Must be the version used by RCS, to avoid problems with binary attachments - RCS may have hard-coded path to diff |
GNU patch | For upgrades only: GNU patch is required when using the TWiki:Codev.UpgradeTWiki script |
GNU fgrep, egrep | Modify command line parameters in configure if you use non-GNU grep programs |
| Cron/scheduler | • Unix: cron • Windows: cron equivalents |
| Web server | Apache is well supported; see TWiki:TWiki.InstallingTWiki#OtherWebServers for other servers |
Required CPAN Modules
The following Perl modules are used by TWiki:| Module | Preferred version |
|---|---|
| Algorithm::Diff (included) | |
| CGI::Carp | >=1.26 |
| Config | >=0 |
| Cwd | >=3.05 |
| Data::Dumper | >=2.121 |
| Error (included) | |
| File::Copy | >=2.06 |
| File::Find | >=1.05 |
| File::Spec | >=3.05 |
| File::Temp | (included with perl 5.6 and later) |
| FileHandle | >=2.01 |
| IO::File | >=1.10 |
| Text::Diff (included) | |
| Time::Local | >=1.11 |
Optional CPAN Modules
The following Perl modules may be used by TWiki:| Module | Preferred version | Description |
|---|---|---|
| Digest::base | ||
| Digest::SHA1 | ||
| Jcode | Used for I18N support with perl 5.6 | |
| Unicode::Map | Used for I18N support with perl 5.6 | |
| Unicode::Map8 | Used for I18N support with perl 5.6 | |
| Unicode::MapUTF8 | Used for I18N support with perl 5.6 | |
| Unicode::String | Used for I18N support with perl 5.6 | |
| URI | Used for configure | |
| Locale::Maketext::Lexicon | >=0 | Used for I18N support |
| CGI::Cookie | >=1.24 | Used for session support |
| Net::SMTP | >=2.29 | Used for sending mail |
| CGI::Session | >=3.95 | Used for session support |
configure script, or if you're still trying to get to that point, check from the command line like this:
perl -e 'use FileHandle; print $FileHandle::VERSION."\n"'
Client Requirements
The TWiki standard installation has relatively low browser requirements:- HTML 3.2 compliant
- Cookies, if persistent sessions are required
Important note about TWiki Plugins
- Plugins can require just about anything - browser-specific functions, stylesheets (CSS), Java applets, cookies, specific Perl modules,... - check the individual Plugin specs.
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Note: Plugins included in the TWiki distribution do not add requirements, except for the CommentPlugin which requires Perl 5.6.1.
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