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Changes between Version 4 and Version 5 of Trac

-              v4
+              v5
 Trac is currently deployed on briccs-7, a VM hosted on briccs-1.rcs.le.ac.uk
 We need to integrate the Trac system with our Subversion repository, enabling us to use links in wiki pages and bug reports to refer to sections code in svn. In order to do this, the two systems need to be co-located on the same machine.
+Trac is running on CentOS 5 - which requires python 2.4 for system integrity (yum, among other things, depends upon it). But the latest version of Trac (1.0.1) depends upon python 2.5 or above. EPEL repositories enable the installation of later versions of python, so we have installed python 2.5 but the fun is only beginning.
+We have a set of bash shell scripts in svn for installing Trac and Subversion which will transfer the data from the existing systems.
+The migration scripts have been tested on CentOS 5.5.
+Apache uses mod_wsgi to deliver Trac - and mod_wsgi as a binary package for CentOS uses the default python (in our case, 2.4, which means Trac does not work). To get mod_wsgi to work with the correct version of python, it must be compiled from source code.
 If/when RCS provides us with a RedHat based VM (Fedora, CentOS or RHEL), we are ready to migrate our Trac and Subversion services to the new machine.
+That is now done. Now it should be possible to migrate the Trac system to the new lcbru-trac.rcs.le.ac.uk site, which is provided from LAMP-51.
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