How to save a particular XenForo forum thread to disk as backup. linux 1 liner

linux> curl --insecure https://forum.kinesis.money/threads/fyi-dereks-watcher-node-is-up-again.1505/ > thread.html

Then under linux ubuntu, from command line

linux>
xdg-open thread.html

You can also just click on the file in your local file explorer (GUI).
nautilus under ubuntu

nautilus .

dot for current directory. And it opens a new process.
Or else just use your Internet browser
new tab
CONTROL-T
or
CONTROL-O
to open that file on disk