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argentum · August 26, 2021, 2:45pm

Setting up the Obsidian URI on Linux (tested on Ubuntu 18.04, YMMV)

Make sure your desktop file is set up correctly. If it doesn’t exist, you can create it. I have mine on ~/.local/share/applications:

argentum:

The contents should look something like this:

[Desktop Entry]
Name=Obsidian
Comment=Markdown Notetaking App
GenericName=Text Editor
Type=Application
Exec=/path/to/appimage/Obsidian-0.8.14.AppImage %U
Icon=obsidian
StartupWMClass=obsidian
MimeType=x-scheme-handler/obsidian;

Then run:

xdg-mime default obsidian.destkop x-scheme-handler/obsidian
update-desktop-database

Check that the URI works by confirming that the output of both xdg-mime query default x-scheme-handler/obsidian and xdg-settings get default-url-scheme-handler obsidian is obsidian.desktop.

It should also appear on your ~/.config/mimeapps.list:

[Default Applications]
...
text/html=obsidian.desktop
x-scheme-handler/obsidian=obsidian.desktop