in reply to SSH - Key Authentication

But we all know that when we do SSH for the first time, we get the following prompt =

The authenticity of host '10.3.170.37 (10.3.170.37)' can't be established. ECDSA key fingerprint is 4f:2e:c4:f1:d7:f6:9a:07:c5:62:17:00:0d:1d:77:26. Are you sure you want to continue connecting (yes/no)?

Connect once manually, and the prompt will disappear. ssh stores the remote host's key in $HOME/.ssh/known_hosts when you first connect to a remote host. This is a quite simple file, using one line per host. You could also copy lines from one system to another to get rid of the prompt. There is also a system-wide known_hosts file /etc/ssh/ssh_known_hosts. See also https://en.wikibooks.org/wiki/OpenSSH/Client_Configuration_Files.

Alexander

--
Today I will gladly share my knowledge and experience, for there are no sweeter words than "I told you so". ;-)

Replies are listed 'Best First'.
Re^2: SSH - Key Authentication
by morgon (Priest) on Apr 06, 2018 at 23:56 UTC
    You advice of
    Connect once manually
    vs the requirement of
    connect to 1000 devices
    could be a problem...
[reply]

In Section Seekers of Perl Wisdom