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Installing Perl Modules
Время создания: 25.04.2013 21:44
Раздел: root - Linux
Запись: Yurons/mytetra/master/base/136691548383e6jnq4sk/text.html на

LiveJournal requires several Perl modules to be installed. Installing these modules requires a fully working perl and C development environment (including a C compiler and make tool).



Some modules such as GD and Compress::Zlib require certain system libraries to be pre-installed on your machine. Please read the author-provided README files for each module before proceeding further.


This may mean particular development packages need to be installed on your system, before a Perl module will install in CPAN. For example, on a Debian system, to install the optional Math::BigInt::GMP module, you should install libgmp3-dev first. Similarly, you may need to install the “development” packages for MySQL and GD on your system, before attempting to install the related Perl modules. The names of these packages varies between Linux distributions, but are often called <packagename>-dev. Installing binary packages of modules provided through your Linux distribution is the easier option.


Table�6.1.�Required Perl ModulesDateTime libdatetime-perl

DBI libdbi-perl

DBD::mysql libdbd-mysql-perl

Class::Autouse libclass-autouse-perl

Digest::MD5 libmd5-perl

Digest::SHA1 libdigest-sha1-perl

HTML::Template libhtml-template-perl

Image::Size libimage-size-perl

MIME::Lite libmime-lite-perl

MIME::Words libmime-perl

Compress::Zlib libcompress-zlib-perl

Net::DNS libnet-dns-perl

URI::URL liburi-perl

HTML::Tagset libhtml-tagset-perl

HTML::Parser libhtml-parser-perl

LWP::Simple libwww-perl

LWP::UserAgent libwww-perl

GD libgd-gd2-perl

Mail::Address libmailtools-perl

Unicode::MapUTF8 libunicode-maputf8-perl

XML::Simple libxml-simple-perl

IO::WrapTie libio-stringy-perl

Unicode::CheckUTF8 �

Captcha::reCAPTCHA libcaptcha-recaptcha-perl

Digest::HMAC_SHA1 libdigest-hmac-perl




Optional modules

GD::Graph, libgd-graph-perl

Required for making graphs for the statistics page.

Proc::ProcessTable, libproc-process-perl

Better reliability for starting daemons necessary for high-traffic installations.

RPC::XML, librpc-xml-perl

Required for outgoing XML-RPC support

SOAP::Lite, libsoap-lite-perl

Required for XML-RPC support.

XML::RSS, libxml-rss-perl

Required for retrieving RSS off of other sites (syndication).

String::CRC32, libstring-crc32-perl

Required for palette-altering of PNG files. Only necessary if you plan to make your own S2 styles that use PNGs, not GIFs.

XML::Atom, libxml-atom-perl

Required for Atom API support.

Math::BigInt::GMP, libmath-bigint-gmp-perl

Aides Crypt::DH so it is not crazy slow.

URI::Fetch, liburi-fetch-perl

Required for OpenID support.

Crypt::DH, libcrypt-dh-perl

Required for OpenID support.

Image::Magick, perlmagick

Required for the userpic factory.

Class::Accessor, libclass-accessor-perl

Required for TheSchwartz job submission.

Class::Trigger, libclass-trigger-perl

Required for TheSchwartz job submission.

Class::Data::Inheritable, libclass-data-inheritable-perl

Required for TheSchwartz job submission.

GnuPG::Interface, libgnupg-interface-perl

Required for email posting.

Mail::GnuPG, libmail-gnupg-perl

Required for email posting.

Text::vCard, libtext-vcard-perl

Used to generate user vCards.


Required for country lookup with IP address.


Required for Apache per-request database logging.


Debian Install.�If you are using Debian the following command should retrieve and build every required module. If there are any modules not yet packaged in Debian, you can use CPAN to install those — Unicode::CheckUTF8 is an example.:

# apt-get install libdatetime-perl libdbi-perl libdbd-mysql-perl \

libclass-autouse-perl libmd5-perl libdigest-sha1-perl \

libhtml-template-perl libimage-size-perl libmime-lite-perl \

libmime-perl libcompress-zlib-perl libnet-dns-perl \

liburi-perl libhtml-tagset-perl libhtml-parser-perl \

libwww-perl libwww-perl libgd-gd2-perl \

libmailtools-perl libunicode-maputf8-perl libxml-simple-perl \

libio-stringy-perl libcaptcha-recaptcha-perl \



And likewise for the optional modules:

# apt-get install libgd-graph-perl libproc-process-perl librpc-xml-perl \

libsoap-lite-perl libxml-rss-perl libstring-crc32-perl \

libxml-atom-perl libmath-bigint-gmp-perl liburi-fetch-perl \

libcrypt-dh-perl perlmagick libclass-accessor-perl \

libclass-trigger-perl libclass-data-inheritable-perl libgnupg-interface-perl \

libmail-gnupg-perl libtext-vcard-perl \


Using CPAN.� Alternatively, you can use CPAN to install the modules:


From the root prompt on your server, invoke the CPAN shell:

# perl -MCPAN -e shell


Once the Perl interpreter has loaded (and been configured), you can install modules with: install MODULENAME.


The first thing you should do is upgrade your CPAN:

cpan> install Bundle::CPAN


Once it is completed, type:

cpan> reload cpan


Now, enter the following command to retrieve all of the required modules:

cpan> install DateTime

cpan> install DBI

cpan> install DBD::mysql

cpan> install Class::Autouse

cpan> install Digest::MD5

cpan> install Digest::SHA1

cpan> install HTML::Template

cpan> install Image::Size

cpan> install MIME::Lite

cpan> install MIME::Words

cpan> install Compress::Zlib

cpan> install Net::DNS

cpan> install URI::URL

cpan> install HTML::Tagset

cpan> install HTML::Parser

cpan> install LWP::Simple

cpan> install LWP::UserAgent

cpan> install GD

cpan> install Mail::Address

cpan> install Unicode::MapUTF8

cpan> install XML::Simple

cpan> install IO::WrapTie

cpan> install Unicode::CheckUTF8

cpan> install Captcha::reCAPTCHA

cpan> install Digest::HMAC_SHA1


And likewise for the optional modules:

cpan> install GD::Graph

cpan> install Proc::ProcessTable

cpan> install RPC::XML

cpan> install SOAP::Lite

cpan> install XML::RSS

cpan> install String::CRC32

cpan> install XML::Atom

cpan> install Math::BigInt::GMP

cpan> install URI::Fetch

cpan> install Crypt::DH

cpan> install Image::Magick

cpan> install Class::Accessor

cpan> install Class::Trigger

cpan> install Class::Data::Inheritable

cpan> install GnuPG::Interface

cpan> install Mail::GnuPG

cpan> install Text::vCard

cpan> install IP::Country::Fast

cpan> install GTop



Be aware that after freshly installing make / gcc, your perl installation will not necessarily detect it. This means module installation will still fail during the 'make' stage. You may need to invoke the CPAN shell and run the setup routine again, to point to the location of make:

# perl -MCPAN -e shell CPAN


cpan> o conf make /usr/bin/make

cpan> o conf commit



You can find out the locations of the various tools the CPAN setup routine (o conf) will ask you about by using the whereis command, at a command prompt. For example:

$ whereis gzip


To make sure you have the necessary modules run the included tool: $LJHOME/bin/ --needed-debs --only=modules


If does not detect all of the required modules, it will tell you which ones you are missing. You should install those.

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