Jitsi Install Instructions#expandContractAll updated: 24 May 2020
Prerequisites...EXPAND CONTRACT

Step 1: Setup a swap partition...EXPAND CONTRACT
sudo dd if=/dev/zero of=/swapfile count=1024 bs=1M
sudo chmod 600 /swapfile
sudo mkswap /swapfile
sudo swapon /swapfile
echo '/swapfile none swap sw 0 0' | sudo tee -a /etc/fstab
free -m

Step 2: Setup machine hostname & FQDN...EXPAND CONTRACT
sudo hostnamectl set-hostname meet.wegrid.host
sudo sed -i 's/^127.0.1.1.*$/127.0.1.1 meet.wegrid.host meet/g' /etc/hosts


DONT DO THIS NEXT STEP ... STICK WITH UBUNTU 18.?
Step 3: System Update...EXPAND CONTRACT
sudo apt update
sudo apt upgrade -y && sudo shutdown -r now

Step 4: Install OpenJDK Java Runtime Environment 8...EXPAND CONTRACT
sudo apt install -y openjdk-8-jre-headless

Step 5: Install Nginx...EXPAND CONTRACT
sudo apt install -y nginx
sudo systemctl start nginx.service
sudo systemctl enable nginx.service

Step 6: Install Jitsi Repository...EXPAND CONTRACT
cd
wget -qO - https://download.jitsi.org/jitsi-key.gpg.key | sudo apt-key add -
sudo sh -c "echo 'deb https://download.jitsi.org stable/' > /etc/apt/sources.list.d/jitsi-stable.list"
sudo apt update -y

Step 7: Install Jitsi Meet Suite...EXPAND CONTRACT
sudo apt install -y jitsi-meet

Step 8: Install "Let’s Encrypt"...EXPAND CONTRACT
sudo /usr/share/jitsi-meet/scripts/install-letsencrypt-cert.sh