dan’s homepage

1. Create .htaccess file with the content below:
AuthUserFile /home/username/htdocs/.htpasswd
AuthName “Password Protected”
AuthType Basic
require valid-user
Of course in the AuthUserFile type in the location of the .htpasswd file (i.e. when you want to store that file, you’ll create it in next step)
2. Set password for the user(users) (-c option creates .htpasswd file)
If it is your first user’s password […]

[description taken from ubuntuforums.org but might be usefull for all Linux distros :-)]
Some people have problems using mailto links with Thunderbird. To fix the “choose user profile” problem, follow this howto.
THUNDERBIRD: Open with firefox an URL contained in an email

Open Nautilus and type this in the address bar: ~/.thunderbird (if that doesn’t work, try ~/.mozilla-thunderbird)
Go […]