Setup SSH for new Ubuntu 20.04 machine

new_ssh_machine.sh

# print commands
set -x

sudo apt-get update
sudo apt-get upgrade -y
sudo apt install -y git net-tools tmux tree vim

# Install SSH sever
sudo apt install -y ssh openssh-server

# Enable on startup and start the SSH server daemon
sudo systemctl enable --now ssh

# Check SSH server daemon status
sudo systemctl status ssh

# Allow connections through firewall
sudo ufw allow ssh

# Get see machine ip address to SSH to from another computer
hostname -I