Install , configure, anable ssh server on wsl windows 11 ubuntu

 
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1. Update and Install OpenSSH Server in WSL:

Open your Ubuntu 22.04 WSL distribution and Update the package lists.

Code

  sudo apt update

Install the OpenSSH server.

Code

  sudo apt install openssh-server

enable and start the ssh service.

Code

  sudo systemctl enable ssh --now

2. Configure SSH in WSL (Optional but Recommended):

• Edit the SSH configuration file to enhance security (e.g., change the default port, disable password authentication for key-based authentication):

Code

  sudo nano /etc/ssh/sshd_config

• Modify or add lines as needed (e.g., Port 2222, PasswordAuthentication no, PubkeyAuthentication yes).
• Save and exit the file.
• Restart the SSH service for changes to take effect:

Code

  sudo service ssh restart

3. Set Up Port Forwarding on Windows:

• Open PowerShell as Administrator on your Windows host.
• Get the IP address of your WSL instance and set up port forwarding. Replace 2222 with your chosen SSH port if you changed it in sshd_config:

Code

  $wsl_ip = (wsl hostname -I).trim()
  netsh interface portproxy add v4tov4 listenport=2222 listenaddress=0.0.0.0 connectport=2222 connectaddress=$wsl_ip

4. Configure Windows Firewall:

• Open Windows Defender Firewall with Advanced Security.
• Create a new Inbound Rule:
  • Select "Port" and click Next.
  • Choose "TCP" and enter the port number you are using for SSH (e.g., 2222).
  • Allow the connection and apply the rule to all profiles. 
  • Name the rule (e.g., "WSL SSH") and finish the wizard. 

5. Generate and Copy SSH Key (for key-based authentication):

• Generate Key on Client (e.g., your Windows machine or another remote machine):

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