Error: No supported authentication methods available

  • Error in client: no supported authentication methods available (server sent publickey)
  • Error in server: key type ssh-rsa not in PubkeyAcceptedAlgorithms
Solution

Add ssh-rsa to PubkeyAcceptedAlgorithms

# nano /etc/ssh/sshd_config

HostKeyAlgorithms +ssh-rsa
PubkeyAcceptedAlgorithms +ssh-rsa
PubkeyAuthentication yes

Verify your configuration

# sshd -t

Restart sshd

# systemctl restart sshd