Origin link 2022-1-29
configuration on server side
on the /etc/ssh/sshd_config
- AllowGroups wheel
- PasswordAuthentication no
- AuthenticationMethods publickey
- PermitRootLogin no
access server
put public key into server side ~/.ssh/authorized_keys and then use private key on your computer to access remote server.
SSH2_MSG_KEX_ECDH_REPLY
if encounter "SSH2_MSG_KEX_ECDH_REPLY" issue, try
- KexAlgorithms
- ssh -oKexAlgorithms=ecdh-sha2-nistp521 server
- KexAlgorithms ecdh-sha2-nistp521 in ~/.ssh/config
- see link for detail and Key Exchange Method for background
- MTU
- see link for background
- ip link set mtu 1200