sudo apt remove cmdtest
sudo apt remove yarn
apt-get install curl
curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | sudo apt-key add -
echo "deb https://dl.yarnpkg.com/debian/ stable main" | sudo tee /etc/apt/sources.list.d/yarn.list
sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 6494C6D6997C215E
sudo apt-get update
sudo apt-get install yarn -y
curl -sL https://deb.nodesource.com/setup_10.x | sudo -E bash -
apt-get install -y nodejs

git clone --depth 1 --branch v2.5.11 https://github.com/ezsystems/ezplatform .
php composer.phar require composer/package-versions-deprecated
php composer.phar ezplatform-install
yarn encore production