SSH Server

#> ## https://www.simplified.guide/ubuntu/install-ssh-server

sudo apt update

sudo apt install -y openssh-server

sudo systemctl status ssh

sudo systemctl start ssh

sudo systemctl disable ssh

sudo systemctl enable ssh

config file

Host THE_NAME_YOU_IDENTIFY_THIS_ENTRY_BY Hostname YOUR_REALLY_LONG_EC2_HOST_NAME

      user SOME_USERNAME

      IdentityFile PATH_TO_A_PEM_FILE

      Port 22 (this is almost always 22)