always permission denied ssh public key code example
Example 1: ssh error permission denied (publickey)
sudo service ssh restart
Example 2: ssh error permission denied (publickey)
sudo nano /etc/ssh/sshd_config
PermitRootLogin prohibit-password to PermitRootLogin yes
PasswordAuthentication no to PasswordAuthentication yes
Example 3: permission denied (publickey password)
cat ~/.ssh/id_rsa.pub | ssh <user>@<hostname> 'cat >> .ssh/authorized_keys && echo "Key copied"'