Use puffin_http to publish puffin events over TCP. Then connect to it with puffin_viewer:

cargo install puffin_viewer --locked
puffin_viewer --url 127.0.0.1:8585

On Linux gtk3 sources are required for file dialogs. You may install them on Ubuntu using the following command:

sudo apt install libgtk-3-dev

The puffin icon is based on a photo by Richard Bartz.