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I updated ufw on my ubuntu server in aws with the following commands

  • Changed the port value in /etc/ssh/sshd_config file to 2200 from 22
  • sudo service ssh restart
  • sudo ufw allow ssh
  • sudo ufw allow www
  • sudo ufw allow ntp
  • sudo ufw enable

After these updates, I added the port in networking tab as Custom - 2200 As I try to connect via ssh The machine launches but a blank black screen appears, thats it.

What do i need to do to access prompt on the machine

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