SSH client adding specified private key to the end of key list
I encounter a problem where even after specifying private key:
ssh -i ./path/to/key.pem firstname.lastname@example.org
Too many authentication failures
The key is confirmed to be correct because it’s working under other SSH client.
Turns out, when examined using
ssh -vvv, default OpenSSH implementation under Ubuntu is adding the explicit command line key to the end of key list. It will first try all keys under
Before reaching the correct key, it failed with exceeded number of retries. Hope it helps anyone