Email based password reset not working for you? Assuming you have ssh access, you can still reset lost DokuWiki passwords by following the instructions below.
require_once 'lib/PassHash.class.php'; $ph = new PassHash(); echo $ph->hash_smd5('your password goes here');
Note that the last command assumes your DokuWiki setup is using salted MD5 for password hashes, per its default behaviour. Depending on what's stored in the passcrypt setting in your main DokuWiki configuration file, however, you might need to use a different hashing function.
cd conf) and edit the users.auth.php file using your tool of choice (vim, emacs, nano, etc.). It might be a good idea to back it up first, but what can I say, I live life on the edge.