>>831
On the command line, none of the CGI environment is defined, and the file permissions for any of the cached HTML files will be incorrect.
Regarding Firefox and Ubuntu: that completely doesn't matter. Just access http://www.whatevercrapchan.com/yourboard/wakaba.pl with any web browser on any operating system, and if it doesn't build the files and send you to the index, you screwed something up (or you have a terrible web host).