Install Puppet 7 on rhel 8 (Centos, RockyLinux, AlmaLinux)

install_puppet.sh

#!/usr/bin/env bash

set -e

# Ensure the script is running as root
if [[ "$(id -u)" != '0' ]]; then
  exec sudo "$BASH_SOURCE" "$@"
fi

# Update the system
echo "===> Updating system"
dnf upgrade -y --refresh

# Install a release package to enable Puppet Platform repositories
echo "===> Installing Puppet release packages"
dnf install -y https://yum.puppet.com/puppet7-release-el-8.noarch.rpm
dnf install -y https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm

# Install puppet agent
echo "===> Installing Puppet"
dnf install -y puppet-agent

# Enable the puppet agent to start on next boot
systemctl enable puppet

echo "===> Done"