Steps to configure empty virtual machine

steps-to-configure-empty-vm.sh

#!/bin/bash

#
# Steps to configure a new empty virtual machine
#

# Updates
sudo apt update && sudo apt upgrade -y

# Host
sudo nano /etc/hostname
sudo nano /etc/hosts

# Network
sudo nano /etc/netplan/00-installer-config.yaml

# Firewall
sudo ufw enable
sudo ufw default allow outgoing
sudo ufw default deny incoming

# Firewall - Default rules

# SSH
sudo ufw allow 22
# HTTP
sudo ufw allow HTTP
# HTTPS
sudo ufw allow HTTPS
# PROMETHEUS
# sudo ufw allow 9100
# FILEBEATS
# sudo ufw allow 5044

# Certificate

sudo mkdir /opt/{project}/certs
sudo openssl req -new -newkey rsa:2048 -nodes -out [project]_tekniker_es.csr -keyout [project]_tekniker_es.key -subj "/C=ES/ST=GUIPUZCOA/L=EIBAR/O=FUNDACION TEKNIKER/OU=IT/CN=[project].tekniker.es"