The tikiwiki project's CVS data is in read-only mode, so the project may have switched over to another source-code-management system. To check, visit the Project Summary Page for tikiwiki and see if the menubar lists a newer code repository, such as SVN or Git.
The CVS data can be accessed as follows.
You can run a per-module CVS checkout via pserver protocol:
cvs -z3 -d:pserver:anonymous@a.cvs.sourceforge.net:/cvsroot/tikiwiki co -P _adodb
cvs -z3 -d:pserver:anonymous@a.cvs.sourceforge.net:/cvsroot/tikiwiki co -P _fckeditor
cvs -z3 -d:pserver:anonymous@a.cvs.sourceforge.net:/cvsroot/tikiwiki co -P _jscalendar
cvs -z3 -d:pserver:anonymous@a.cvs.sourceforge.net:/cvsroot/tikiwiki co -P _lightbox
cvs -z3 -d:pserver:anonymous@a.cvs.sourceforge.net:/cvsroot/tikiwiki co -P _mantis
cvs -z3 -d:pserver:anonymous@a.cvs.sourceforge.net:/cvsroot/tikiwiki co -P _mods
cvs -z3 -d:pserver:anonymous@a.cvs.sourceforge.net:/cvsroot/tikiwiki co -P _phpcas
cvs -z3 -d:pserver:anonymous@a.cvs.sourceforge.net:/cvsroot/tikiwiki co -P _phplayers
cvs -z3 -d:pserver:anonymous@a.cvs.sourceforge.net:/cvsroot/tikiwiki co -P _smartirc
cvs -z3 -d:pserver:anonymous@a.cvs.sourceforge.net:/cvsroot/tikiwiki co -P _smarty
cvs -z3 -d:pserver:anonymous@a.cvs.sourceforge.net:/cvsroot/tikiwiki co -P _wollabot
cvs -z3 -d:pserver:anonymous@a.cvs.sourceforge.net:/cvsroot/tikiwiki co -P _xml_domit
cvs -z3 -d:pserver:anonymous@a.cvs.sourceforge.net:/cvsroot/tikiwiki co -P fulltiki
cvs -z3 -d:pserver:anonymous@a.cvs.sourceforge.net:/cvsroot/tikiwiki co -P lib
cvs -z3 -d:pserver:anonymous@a.cvs.sourceforge.net:/cvsroot/tikiwiki co -P tiki
cvs -z3 -d:pserver:anonymous@a.cvs.sourceforge.net:/cvsroot/tikiwiki co -P tiki-docs
cvs -z3 -d:pserver:anonymous@a.cvs.sourceforge.net:/cvsroot/tikiwiki co -P tiki_site
cvs -z3 -d:pserver:anonymous@a.cvs.sourceforge.net:/cvsroot/tikiwiki co -P tikiadmin
cvs -z3 -d:pserver:anonymous@a.cvs.sourceforge.net:/cvsroot/tikiwiki co -P tikiwiki
You can view a list of files or copy all the CVS repository data via rsync (the 1st command lists the files, the 2nd copies):
rsync -a a.cvs.sourceforge.net::cvsroot/tikiwiki/
rsync -ai a.cvs.sourceforge.net::cvsroot/tikiwiki/ /my/local/dest/dir/
If you are a project admin for tikiwiki, you can request that this page redirect to another repo on your project by submitting a support request.