Keys

Created Montag 27 Januar 2020

Create SSH keypair

$ ssh-keygen <key type settings> -C "<Friendly description>" -f ~/.ssh/<output file>
key type settings:

-> Move the keys to a secure location, e.g user network directory.

Deploy public key

Linux

-> To login to copy the public key[s] password authentication has to be enabled in /etc/ssh/sshd_config: Verify this!

PasswordAuthentication yes

Copy keys:
$ ssh-copy-id [<user>@]<target host>

Windows

Start ssh-agent service

This has to be done once per client.
# By default the ssh-agent service is disabled. Allow it to be manually started for the next step to work.
# Make sure you're running as an Administrator.

Get-Service ssh-agent | Set-Service -StartupType Automatic (delayed)

Start the service

Start-Service ssh-agent

This should return a status of Running

Get-Service ssh-agent

Add public key

Load your key files into ssh-agent on the client:
PS> ssh-add <Path to key>\<Key name>

Copy public key to server

Make sure that the .ssh directory exists in your server's user account home folder <Path to user home directory>/.ssh.
Use scp to copy the public key file generated previously on your client to the authorized_keys file on your server
PS> scp <Path>\id_ed25519.pub <Username>@<host>/home/<username>/.ssh/authorized_keys