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Installing Foswiki: verify system requirements

Foswiki is capable of running on a variety of operating systems and supporting a wide range of browsers, due to its minimal client and server requirements.

Server requirements

Perl 5.8.8 or higher.

Web server with capabilities comparable to Apache. See InstallingOnSpecificPlatforms for other supported web servers.

Optional dependencies

RCS 5.7 or higher and GNU diff 2.7 or higher. If you do not have RCS or GNU diff available, you can use a pure Perl implementation included with Foswiki, called RcsLite (at the cost of performance). If you are not using the GNU diff program bundled with your RCS installation, you must use the same GNU diff version that RCS uses.

fgrep and egrep are used for searching when the search algorithm is set to Foswiki::Store::SearchAlgorithms::Forking (see the step "Configure Foswiki" for more information).

cron or other scheduler to schedule maintenance tasks.

Required CPAN modules

With Perl 5.8.8 and higher, you do not need to install any additional CPAN modules.

Modules to install with Perl 5.8.7:

Module	Preferred version
CGI	Upgrade to any version >=3.15 except for version 3.37

Modules to install with Perl 5.8.4, 5.8.5, 5.8.6:

Module	Preferred version
CGI	Upgrade to any version >=3.15 except for version 3.37
Cwd	Upgrade to any version >=3.05
File::Spec	Upgrade to any version >=3.05
Time::Local	Upgrade to any version >=1.11

See Foswiki:Support.HowToInstallCpanModules for detailed information on how to install any CPAN libraries not present in your installation.

You can check version numbers from the command line (replace "ModuleName" with the name of the module):

perl -e 'use ModuleName; print $ModuleName::VERSION."\n"' 

Optional CPAN modules

The following Perl modules may be used by Foswiki. See Foswiki:Support.HowToInstallCpanModules for detailed information on how to install CPAN libraries.

Module	Preferred version	Description
Archive::Tar		May be required by the Extensions Installer in configure if command line tar or unzip is not available
CGI::Cookie	>=1.24	Used for session support
Digest::base
Digest::SHA
Locale::Maketext::Lexicon	>=0	Used for I18N support
Net::SMTP	>=2.29	Used for sending mail
URI		Used for configure

Most of these modules will probably already be present in your installation. You can check version numbers with the configure script, or if you're still trying to get to that point, check from the command line (replace "ModuleName" with the name of the module):

perl -e 'use ModuleName; print $ModuleName::VERSION."\n"' 

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Customized versions of InstallStepSystemRequirements: