... Edit the file twiki/lib/TWiki.cfg , setting the variables to your needs. ... Do that by either editing the topics in theTWiki web, or by renaming the .txt and .txt,v files in the twiki/data/TWiki directory. ... Set the permission of the twiki/data directory and its subdirectories so that files in there are writable by user nobody . ... Copy all files from the twiki/data/_default directory to the new data directory, preserving the original files' owner, group and permissions (on Unix, use cp -p ). ...