Kill All SSH Tunneling Connection

It’s important to be cautious when using the killall command, especially with sudo, as it can terminate processes indiscriminately. Killing SSH connections might disrupt legitimate connections and potentially cause issues.

If you need to terminate specific SSH tunneling connections, it’s better to identify the process IDs (PIDs) associated with those connections and then use kill with the specific PIDs. Here’s a safer way to do it:

1. List SSH Processes: First, list the SSH processes to identify the ones you want to terminate. You can use the ps command with grep to filter SSH processes:

   1	ps aux | grep ssh

   This command will show you a list of SSH processes running on your system along with their PIDs.

2. Identify the PID: Find the PID (Process ID) of the SSH tunneling connection you want to terminate from the list generated by the previous command.

3. Kill the SSH Process: Once you have identified the PID of the SSH tunneling connection you want to terminate, use the kill command with sudo:

   1	sudo kill <PID>

   Replace <PID> with the actual PID of the SSH process you want to terminate.

By following these steps, you can selectively terminate SSH tunneling connections without affecting other SSH processes on your system. This approach is more targeted and safer than using killall to kill all SSH processes.