Please understand that I am a naive user who understands very little of how this all works.
I have four Raspberry Pies in two different locations each of which uses curl to upload a web cam image to a web host once every two minutes. This has been working well for many years. Suddenly at about 3:08 PM today (Thailand time) all of the uploads began failing as follows: Wed Mar 18 15:08:21 +07 2026 Upload Ended 7 - raspsky curl: (7) Failed to connect to mydomain.com port 22: Connection refused At about 3:34 that changed to: Wed Mar 18 15:34:19 +07 2026 Upload Ended 60 - raspsky curl: (60) SSL peer certificate or SSH remote key was not OK Assuming that it was the SSH remote key that was the problem I tried logging in to the host via SSH. Sure enough, I was told that the host key did not match the known_hosts file. So, I permitted the “new” host key to be added to the known_hosts file after which I was able to log in via SSH which I can still do. Sadly, curl still fails even though the new and known-correct host key is in the known_hosts file. So, what do I need to do to get curl to find the new host key in the updated known_hosts file? Or, do I have this completely wrong and need to do something completely different? Thanks in advance, Mike Newman Korat, Thailand
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