old thread, but hey: there's still one more thing you could look into.
- Check /etc/mime.types for relevant mimetype(s) (here i suggest esp. "text/html" (and then maybe some of application/xml* if you need it, know what you're doing and your browser supports that)- Edit /usr/share/application/default.list and find the mime types from above, replacing application name with an application available within the directory /usr/share/applications/ as "APPNAME".desktop- if you use nautilus (i don't), restart nautilus (running "killall -1 nautilus" from a command line or wait for next reboot)
This will set the default application for any mime-type system wide on gnome or kde systems. Changing this on a per user basis would probably be done in ~/.local/applications/mimeapps.list and default.list resp., these will override the global system default mentioned above.
Cf. here and e.g. here for more info.
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