Difference between revisions of "Issues with Installing EPrints on Ubuntu 20.04"

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(Added issue with change to mysql grant syntax.)
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'''N.B. It is assumed that you are installing the latest version of 3.4 (currently 3.4.1). Earlier versions may have issues not listed here.'''
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'''N.B. It is assumed that you are installing the [[:Category:Eprints3.4 | latest version of 3.4]]. Earlier versions may have issues not listed here.'''
  
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==== xpdf package no longer exists ====
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==== Previous issues ====
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The Deb package xpdf is no longer available in Ubuntu 20.04.  xpdf is probably no longer needed so if installing from source use the following APT command line:
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; ''xpdf'' Deb package no longer exists : This has been removed as a dependency since EPrints 3.4.3, as it is no longer specifically required by EPrints.
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; MySQL deprecated syntax : <code>GRANT PRIVILEGES</code> command used by ''epadmin'' has been modified to avoid using deprecated syntax since EPrints 3.4.3.
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apt-get install perl libncurses5 libselinux1 libsepol1 apache2 libapache2-mod-perl2 libxml-libxml-perl \
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; MySQL root user cannot be used : This is now explained under EPrints' [[Getting Started]] instructions. as it is typical for most modern Linux operating systems.
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  libunicode-string-perl libterm-readkey-perl libmime-lite-perl libmime-types-perl libdigest-sha-perl \
 
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  libdbd-mysql-perl libxml-parser-perl libxml2-dev libxml-twig-perl libarchive-any-perl libjson-perl \
 
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  liblwp-protocol-https-perl libtext-unidecode-perl lynx wget ghostscript xpdf antiword elinks \
 
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  texlive-base texlive-base-bin psutils imagemagick adduser tar gzip mysql-server mysql-client unzip \
 
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  libsearch-xapian-perl libtex-encode-perl
 
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==== MySQL root user cannot be used ====
 
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On Ubuntu 18.04 LTS rather than prompting you to set a password for MySQL server when installing this as a dependency, it just installs it without. However, this means on the root user can login to MySQL to add a database. As "epadmin create" runs at the eprints user, this will not be able to create a database for EPrints.  The get round this as the root user connect to MySQL (just type "mysql" at the command line) and type the following two commands.  You will want to set your own password (i.e. not 'changeme') , you may also want to restrict which databases the eprints user has control over.  If you know the "Archive ID" you are going to use.
 
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CREATE USER 'eprints'@'localhost' IDENTIFIED by 'changeme';
 
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GRANT ALL PRIVILEGES ON *.* TO 'eprints'@'localhost' WITH GRANT OPTION;
 
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==== MySQL deprecated syntax ====
 
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MySQL no longer supports creating a user as part of the GRANT PRIVILEGES command, which causes problems with EPrints if below version 3.4.2. Therefore, perl_lib/EPrints/Database/mysql.pm needs to be patched.  This can be done by using the [https://raw.githubusercontent.com/eprints/eprints3.4/master/perl_lib/EPrints/Database/mysql.pm latest version of mysql.pm on GitHub] if the Eprints version being installed is under 3.4.2.
 

Latest revision as of 15:09, 23 August 2024

N.B. It is assumed that you are installing the latest version of 3.4. Earlier versions may have issues not listed here.

Previous issues

xpdf Deb package no longer exists 
This has been removed as a dependency since EPrints 3.4.3, as it is no longer specifically required by EPrints.
MySQL deprecated syntax 
GRANT PRIVILEGES command used by epadmin has been modified to avoid using deprecated syntax since EPrints 3.4.3.
MySQL root user cannot be used 
This is now explained under EPrints' Getting Started instructions. as it is typical for most modern Linux operating systems.
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