This guide will help you securely connect to your Cloud Server with the SSH protocol through different techniques, such as changing the standard port or using RSA keys for authentication.

Security SSH Ubuntu

In this tutorial you will learn how to protect an Apache web server by installing a free SSL certificate issued by Let's Encrypt through the use of Certbot and enabling a secure connection to your website.

Apache Security SSL Ubuntu

In this guide you will learn how to create self-signed SSL certificates through the OpenSSL client on Ubuntu 18.04.

Apache Security SSL Ubuntu

In this guide you will learn how to configure a secure connection by using the SSL (Secure Sockets Layer) protocol and enable HTTPS on Apache with Ubuntu 18.04.

Apache Security SSL Ubuntu

This tutorial shows how to connect to an OpenVPN network and configure your client on Windows, macOS, iOS and Android operating systems.

Security VPN

In this tutorial you will learn how to create a VPN installing OpenVPN on Linux Ubuntu 18.04 and how to configure your server and another machine acting as a Certification Authority.

Security Ubuntu VPN

This guide explains how to use the Jelastic Cloud interface to better configure the firewall present in your virtual environment.

Firewall Jelastic Cloud Security

In this tutorial you will learn to forward the ports that expose the services on your web server by using the UFW Firewall integrated on Linux Ubuntu.

Firewall Security Ubuntu

In this tutorial you will learn how to create a personal VPN, by installing the OpenVPN connect client software on Windows Server 2019 and generating the certificates, keys and configuration files necessary for accessing the VPN.

OpenVPN Security Windows

With this tutorial you will see how to configure the authentication based on encrypted keys to connect via SSH to your Cloud Server without a password.

CentOS Security