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these are the steps I followed to change the default ssh port

  1. login to compute engine instance using gcutil ssh
  2. cd /etc/ssh
  3. sudo nano sshd_config --> changed the port to some number lets say for the example: 1111
  4. saved and exit
  5. sudo service ssh restart ---> [ ok ] Restarting OpenBSD Secure Shell server: sshd.
  6. open a new terminal and repeated step 1 ---> ssh: connect to host xxx.xxx.xxx.xxx port 22: Connection refused ----> the change succeded
  7. went to my GCE console and added a firewall with the tcp:1111

  8. tried to connect again with gcutil ssh ---> ssh: connect to host xxx.xxx.xxx.xxx port 22: Connection refused I'm not following why after enabling the port 1111 on the GCE gcutil ssh still tries to connect on port 22

    INFO: Running command line: ssh -o UserKnownHostsFile=/dev/null -o CheckHostIP=no -o StrictHostKeyChecking=no -i /Users/MyUser/.ssh/google_compute_engine -A -p 22 [email protected] --

what am i missing? should I download my ssh key again after changing the port? and if so how do i do that?

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3 Answers 3

Reset to default
2

The documentation clearly states how to provide an alternate ssh port for gcutil ssh.

  --ssh_port: TCP port to connect to
    (default: '22')
    (an integer)

in your case:

gcutil ssh --ssh_port=1111 <instance name>
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  • 1
    why waist time writing an answer if you don't supply any useful data??? as mentioned above i DID change the ssh port but when trying to reconnect it fails so obviously the problem lies in the client side, but I don't know where to configure the ssh command to run with different port i can always connect with the full command: ssh -o UserKnownHostsFile=/dev/null -o CheckHostIP=no -o StrictHostKeyChecking=no -i /Users/Kukula/.ssh/google_compute_engine -A -p 1111 [email protected] but that is not what i'm asking so if you do know the answer and willing to share i'd appreciate it
    – Kukula Mula
    Feb 17, 2014 at 8:42
  • Your question never mentioned that you did this - and it still doesn't. If you actually did, then you need to edit your question.
    – Michael Hampton
    Feb 17, 2014 at 14:27
  • I suggest you first read what i wrote step 6 states : The change succeeded, before being condescending!
    – Kukula Mula
    Feb 18, 2014 at 11:17
  • @KukulaMula No one is being condescending here. We are trying to help you. AGAIN, you need to edit your question.
    – Michael Hampton
    Feb 18, 2014 at 12:58
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Faced the same problem, still don't know which file to change inorder for the standart gcutil ssh <machine_name> to call the new port in your case 1111, @Michael Hampton answer was correct, but he didn't wrapped it within the entire command which confused you so try the following command i believe it will work and you'll be able to connect with your instance

gcutil ssh --ssh_port 1111 <machine_name>

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ssh -o UserKnownHostsFile=/dev/null -o CheckHostIP=no -o StrictHostKeyChecking=no -i /Users/MyUser/.ssh/google_compute_engine -A -p 22 [email protected]

That "-p 22" tells the ssh command to try to connect to a server on port 22. Change the 22 to the port you have your server running on and you should be good to go.

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