-- Create group streamkap:
sudo groupadd streamkap  

  -- Create user streamkap:
sudo useradd -m -g streamkap streamkap  

-- Switch to the Streamkap user:
sudo su - streamkap  
 
-- Create the .ssh directory:
mkdir ~/.ssh  
-- Set permissions:
chmod 700 ~/.ssh  

-- Change to the .ssh directory:
cd ~/.ssh  

  -- Create the authorized_keys file:
touch authorized_keys  

-- Set permissions:
chmod 600 authorized_keys  

-- Using the key given to you from Streamkap, add this to the authorized_keys file.
echo "<key>" >> ~/.ssh/authorized_keys

-- Set the SSH daemon configuration for Port Forwarding:

sudo nano /etc/ssh/sshd_config
AllowTcpForwarding yes

-- Restart the SSH Service
sudo systemctl restart sshd

  -- Create user streamkap:

net user streamkap <password> /add /comment:"Streamkap User" /passwordchg:no /passwordreq:no /logonpasswordchg:no  

-- Create group streamkap:

net localgroup streamkap-group /comment:"Streamkap Group" /add  

-- In Windows command prompt, switch to the SSH server directory.

cd C:\\ProgramData\\ssh\\ && start notepad .\\sshd_config  

-- Allow password authentication for the Streamkap user.

PasswordAuthentication yes  

-- Allow the Streamkap user to connect to the SSH server. Add the following line to the sshd_config file.

AllowUsers streamkap

-- If your Windows build is 1809 or later, comment out the following lines in the sshd_config file:
# Match Group administrators
# AuthorizedKeysFile **PROGRAMDATA**/ssh/administrators_authorized_keys

Save the sshd_config file.

-- Restart the agent and the sshd service. If the following command fails, you can restart from the Task Manager (Alt + Ctrl + Delete).

Restart-Service ssh-agent; Restart-Service sshd

-- Go into the SSH server using Windows VM.
ssh streamkap@<DNS Name>

  -- Create an .ssh folder in your home directory.
mkdir .ssh

- Add an authorized_keys file if it does not exist
-- If your client is Windows PowerShell:

type nul > authorized_keys  
echo <streamkap-public-key> >> authorized_keys  
icacls C:\\Users\\streamkap\.ssh\\authorized_keys /inheritance:r  

-- If your client is Linux:

touch authorized_keys  
chmod 600 authorized_keys  
echo <streamkap-public-key> >> authorized_keys

-- Allow public key authentication
PubkeyAuthentication yes

-- Remove password authentication.
PasswordAuthentication no  
PermitEmptyPasswords no

Restart-Service ssh-agent; Restart-Service sshd