System Requirements

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Revision as of 14:25, 19 October 2010

Main Page > Installing DLXS > System Requirements

Contents 1 Supported platforms 2 Disk space requirements 3 Required capabilities and software 3.1 For database management 3.2 For page image viewing 3.3 For JPEG2000-compressed continuous tone image viewing 3.4 For MrSID-compressed continuous tone image viewing 4 Requirements for Optional MDP Software 4.1 For page image viewing using the MDP Pageturner and Collection Builder 4.2 For Image Magick see the following references

Supported platforms

We currently develop and/or deploy live material on these platforms:

1. Solaris SPARC 2.6 or higher. Also see note at Installing DLXS Version 13 on Solaris 10
2. Fedora Core 1 or higher

Disk space requirements

1. DLXS Middleware: 50 MB to store the libraries and programs that make up the working DLXS system.
2. Content: This varies dramatically according to the amount and format of your material. For a collection of significant scale, the storage requirements will be dominated by the number of page images and/or continuous tone images--SGML and metadata are quite small in comparison. DLXS allows you to store the middleware and the content in different locations to simplify system administration.

Required capabilities and software

1. Root access (to change aspects of the environment, e.g., directory and file permissions, web server configuration, etc.)
2. A web server that supports Apache sessions. We recommend Apache 1.3.34 or higher.
3. OpenSP 1.5 or higher (for using the supplied tools to prepare SGML and/or XML content for delivery via DLXS).
4. Perl 5.8.8 or higher.
5. The following Perl modules that are not part of the base Perl distribution (where versions are given, DLXS requires that version or higher). Note that XML::LibXML and XML::LibXSLT are now required for all classes except BibClass. Currently, the BibClass user interface is not based on XSL. We recommend these Perl modules be installed before you begin the DLXS installation process.

Module	Version
Apache::Session	1.80
DBD:mysql	Release_15: 4.013
DBI	1.50
Mail::Mailer	1.74
XML::LibXSLT	Release_15: 1.63
XML::LibXML	Release_15: 1.69
TEXT::CSV	0.23

For database management

• MySQL version 4.1 for Image Class metadata, for storing session data and for Collmgr collection data. MySQL command line client must also be version 4.1 or newer. For some useful MySQL tips in a Solaris environment, see Installing DLXS Version 13 on Solaris 10

For page image viewing

• c42pdf for displaying TIFF images in PDF format (free)
• tif2web for displaying TIFF images in GIF and/or PNG format (free). Note that we distribute the Linux and Solaris binaries for tif2web version 1.0.4.

For JPEG2000-compressed continuous tone image viewing

• a JPEG2000 encoding tool such as kdu_compress that supports batch encoding of images (provided to DLXS subscribers and readily available at Kakadu Software)
• kdu_expand for expanding and displaying JPEG2000-compressed images (provided to DLXS subscribers and readily available at Kakadu Software)
• cjpeg for use in conjunction with kdu_expand for JPEG2000 web delivery (available as part of libjpeg)

For MrSID-compressed continuous tone image viewing

• a MrSID encoding product such as MrSIDGeo that supports batch encoding of images (not free)
• mrsid_retrieve for displaying MrSID-encoded images in JPEG format (free)

Requirements for Optional MDP Software

The MDP software is not integrated with DLXS. The following requirements are optional.

For page image viewing using the MDP Pageturner and Collection Builder

The following Perl modules are not part of the base Perl and, in addition, are not required for DLXS functionality. This list is provided for those partners who wish to experiment with the MDP software.

Module	Version
Image::Magick	6.2.2
Data::Page	2.00
Test::WWW::Mechanize	0.00
Geo::IP	1.27
Attribute::Handlers	0.78_02

For Image Magick see the following references

• ImageMagick-6.2.2 libraries and the
• Perl bindings to the ImageMagick API in the Image::Magick package.

We appreciate hearing from you if you encounter other system requirements. Please contact DLPS for additions and suggestions.

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