Install AWS Cloud9 on an Ubuntu 20.04 server external to AWS

install.sh

# Log into your Ubuntu machine then follow these directions

# First allow Cloud9 to ssh to your machine using your account:
# https://docs.aws.amazon.com/cloud9/latest/user-guide/create-environment-ssh.html

# Install required dependencies
if [ -z `which virtualenv` ]; then
  sudo pip install virtualenv
fi
if [ -z `apt -qq list libevent-dev 2> /dev/null | grep installed` ]; then
  yes | sudo apt install libevent-dev
fi

# Manually install Cloud9 in ~/.c9
# From https://docs.aws.amazon.com/cloud9/latest/user-guide/installer.html
curl -L https://raw.githubusercontent.com/c9/install/master/install.sh | bash
wget -O - https://raw.githubusercontent.com/c9/install/master/install.sh | bash

# Now visit https://console.aws.amazon.com/cloud9 and have fun with Cloud9