Tor Browser does not work on ARM as of this time.
TOR ticket tracker for porting to ARM hasn't had much traction at all.
I wouldn't expect this project to be ported to arm anytime soon.
Note: tor is available on raspberry pi. This is for running a relay. This is different from the tor browser.
I don't know of any uptime SaaS providers that support monitoring websites on their onion service endpoints.
Until that day comes (as it's hard to think of a reason why any admins shouldn't make their websites accessible at a .onion address--which benefits the privacy of their visitors), a simple solution is just to spin up a small micro sever (such as the &...