Instructions per http://plone.org/documentation/manual/upgrade-guide/referencemanual-all-pages
County site:
Plone version overview Plone 2.5.1, CMF-1.6.2, Zope (Zope 2.9.6-final, python 2.4.4, linux2), Five 1.3.8, Python 2.4.4 (#2, Apr 12 2007, 21:22:23) [GCC 4.1.2 (Ubuntu 4.1.2-0ubuntu4)], PIL 1.1.6
As the howto specifies, confirm the process in a test environment before touching the live site.
V2.5.1 is available here http://plone.org/products/plone/releases/2.5.1
V 2.5.2
tested with Zope 2.8, 2.9
- "Universal" Linux/BSD/UNIX installer (builds Python and Zope from source)
- a 32M tarball http://prdownloads.sourceforge.net/plone/Plone-2.5.1-UnifiedInstaller.tgz?download
- Product package (requires Zope 2.9.4+ or Zope 2.8.7+ already installed)
- http://prdownloads.sourceforge.net/plone/Plone-2.5.1-final.tar.gz?download
V 3.2
tested with Zope 2.10
- The latest stable release is 3.2
- http://plone.org/products/plone/releases/3.2
- 3.2 Unified Installer - for Linux/BSD/OS X/UNIX/Solaris (compiles and installs Python, Zope and Plone plus dependencies for you)
- http://launchpad.net/plone/3.2/3.2/+download/Plone-3.2-UnifiedInstaller.tgz
What Zope versions will work with 2.5.1?
- all versions download page
- http://www.zope.org/Products/Zope/swpackage_releases