https://wiki.archlinux.org/index.php/xdg-open

xdg-settings set default-web-browser browser.desktop
    firefox_firefox.desktop
ui
sudo update-alternatives --config x-www-browser
cli
sudo update-alternatives --config www-browser
BROWSER=/usr/bin/google-chrome >> ~/.bashrc

gnome-default-applications-properties

http://superuser.com/questions/1007807/xdg-open-hogging-the-cpu-by-forking-itself-endlessly
https://bbs.archlinux.org/viewtopic.php?id=140028
https://forum.manjaro.org/index.php?topic=7961.0

https://aur.archlinux.org/packages/linopen/

perl-file-mimeinfo