Instalar PHP

# Ubuntu

sudo apt-get install software-properties-common
sudo add-apt-repository -y ppa:ondrej/php
sudo apt-get update
sudo apt-get install php7.4 php7.4-cli php7.4-common
sudo apt-get install php7.4-curl php7.4-gd php7.4-json php7.4-mbstring php7.4-curl php7.4-gd php7.4-intl php7.4-mysql php7.4-xml php7.4-zip

# Debian
apt install apt-transport-https lsb-release ca-certificates
wget -O /etc/apt/trusted.gpg.d/php.gpg https://packages.sury.org/php/apt.gpg
echo "deb https://packages.sury.org/php/ $(lsb_release -sc) main" > /etc/apt/sources.list.d/php.list
apt update
apt install php7.2
apt install php7.2 php7.2-cli php7.2-common php7.2-json php7.2-opcache php7.2-mysql php7.2-zip php7.2-fpm php7.2-mbstring