If that doesn't help, were you in the correct folder when you ran the npm install command? For a normal node-red install you should be in the .node-red folder. If you believe you were in that folder then, from that folder, what does this show npm list node-red-contrib-onvif
Also stop node-red and start it again in a terminal and copy/paste the full terminal output here please.
pi@raspianja:~/node_modules $ sudo npm install email@example.com
changed 1 package, and audited 68 packages in 5s
2 packages are looking for funding
run `npm fund` for details
found 0 vulnerabilities
executed again. And restarted Node Red and refreshed the browser. But the ONVIF nodes are not displayed to me.
I have additional
Installed. This is also displayed to me as a node.
But through the installation
no more onvif nodes have been added
I just found something interesting.
was created and also contains the corresponding files