You have to check the server's logs. At least with linux, you have to up the debug level. I usually just change it to DEBUG, but VERBOSE might have enough info. The usual suspects when it does what you are seeing is that the permissions or contents of the authorized_keys file on the server are wrong. I can't speak to what the permissions should be, but the page you gave before talks about a Repair-AuthorizedKeyPermissions function that seems like it will take care of everything.
https://docs.microsoft.com/en-us/windows-server/administration/openssh/openssh_keymanagement. As for contents, at least on linux, the two most common problems I've seen are that the public key gets loaded as multiple lines via a cut and paste, or there is extra whitespace at the beginning or end of the line. The public key should be one line, with no whitespace before or after it.
On Tue, 2020-01-14 at 15:14 +0000, Rob Berendt wrote:
I changed the config file to:
Host gdl57
HostName gdl57.dekko-1
User rob
IdentityFile ~/.ssh/rob_gdisys
Apparently the ssh daemon did stop.
Windows:
PS C:\WINDOWS\system32> Get-Service sshd
Status Name DisplayName
------ ---- -----------
Stopped sshd OpenSSH SSH Server
PS C:\WINDOWS\system32> Start-Service sshd
PS C:\WINDOWS\system32> Get-Service sshd
Status Name DisplayName
------ ---- -----------
Running sshd OpenSSH SSH Server
Now I am getting
IBM i:
ssh -v gdl57
OpenSSH_8.0p1, OpenSSL 1.1.1c 28 May 2019
debug1: Reading configuration data /home/ROB/.ssh/config
debug1: /home/ROB/.ssh/config line 1: Applying options for gdl57
debug1: Reading configuration data /QOpenSys/QIBM/ProdData/SC1/OpenSSH/etc/ssh_config
debug1: Connecting to gdl57.dekko-1 [10.10.9.30] port 22.
debug1: Connection established.
debug1: identity file /home/ROB/.ssh/rob_gdisys type 0
debug1: identity file /home/ROB/.ssh/rob_gdisys-cert type -1
debug1: Local version string SSH-2.0-OpenSSH_8.0
debug1: Remote protocol version 2.0, remote software version OpenSSH_for_Windows_7.7
debug1: match: OpenSSH_for_Windows_7.7 pat OpenSSH* compat 0x04000000
debug1: Authenticating to gdl57.dekko-1:22 as 'rob'
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug1: kex: algorithm: curve25519-sha256
debug1: kex: host key algorithm: ecdsa-sha2-nistp256
debug1: kex: server->client cipher:
<mailto:chacha20-poly1305@xxxxxxxxxxx>
chacha20-poly1305@xxxxxxxxxxx
MAC: <implicit> compression: none
debug1: kex: client->server cipher:
<mailto:chacha20-poly1305@xxxxxxxxxxx>
chacha20-poly1305@xxxxxxxxxxx
MAC: <implicit> compression: none
debug1: expecting SSH2_MSG_KEX_ECDH_REPLY
debug1: Server host key: ecdsa-sha2-nistp256 SHA256:euodvI3161T4admEYhBIaF8Zfv1ZBhur7gt4gNKAXHI
debug1: Host 'gdl57.dekko-1' is known and matches the ECDSA host key.
debug1: Found key in /home/ROB/.ssh/known_hosts:2
debug1: rekey out after 134217728 blocks
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug1: SSH2_MSG_NEWKEYS received
debug1: rekey in after 134217728 blocks
debug1: Will attempt key: /home/ROB/.ssh/rob_gdisys RSA SHA256:2qf7C4xsg7iyCSOe447JsaHoRAkS88FCSwcxBAJ6W1Y explicit
debug1: SSH2_MSG_EXT_INFO received
debug1: kex_input_ext_info: server-sig-algs=<ssh-ed25519,ssh-rsa,rsa-sha2-256,rsa-sha2-512,ssh-dss,ecdsa-sha2-nistp256,ecdsa-sha2
-nistp384,ecdsa-sha2-nistp521>
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug1: Authentications that can continue: publickey,password,keyboard-interactive
debug1: Next authentication method: publickey
debug1: Offering public key: /home/ROB/.ssh/rob_gdisys RSA SHA256:2qf7C4xsg7iyCSOe447JsaHoRAkS88FCSwcxBAJ6W1Y explicit
debug1: Authentications that can continue: publickey,password,keyboard-interactive
debug1: Next authentication method: keyboard-interactive
debug1: Authentications that can continue: publickey,password,keyboard-interactive
debug1: Next authentication method: password
debug1: read_passphrase: can't open /dev/tty: No such device or address
[
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MEDDATA / MEDTRON
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