How do I keep my ssh connection alive?

How do I keep my ssh connection alive?

Keeping SSH connections alive

  1. Start PuTTY.
  2. Load your connection session.
  3. In the Category pane, click Connection.
  4. Under Sending of null packets to keep session active, in the Seconds between keepalives, type 240.
  5. In the Category pane, click Session.
  6. Click Save.
  7. Connect to your account and monitor the connection.

How do I debug SSH?

To enable SSH debug, run the SSH command with the -v, -vv, or -vvv option: In this example, you can see what a successful SSH connection would look like with the complete back and forth communication between the hosts.

What should I do if my SSH connection is not working?

Check the server’s log files (e.g. /var/log/auth.log, /var/log/secure) for any sshd-related messages. You should see connection attempts from your remote IP address if the connection reaches the server. Routing problem (in this case, connections to other ports should no go through, too.) External firewall blocking the connection.

What does it mean when SSH connection is timed out?

Error message: “Error connecting to [instance], reason: Connection timed out: connect” refers to issues with connectivity to the instance, meaning the request fails to reach the instance and times out. This might happen if SSH isn’t running on the instance or if a firewall is blocking access.

How to connect a SSH server to a different port?

You’ll need to install it to be able to ssh to it. 2.You are running an SSH server on that machine, but on a different port. You need to figure out on which port it is running; say it’s on port 1234, you then run ssh -p 1234 hostname.

How to connect to SSH server on Port 1234?

You need to figure out on which port it is running; say it’s on port 1234, you then run ssh -p 1234 hostname. You are running an SSH server on that machine, and it does use the port on which you are trying to connect, but the machine has a firewall that does not allow you to connect to it.