Today we will talk about auto-updating Let’s Encrypt certificates by certbot. By default, Nginx restricts any request to .well-known folder which is needed to validate a certificate. Your error me...

You probably have thought about an additional step of security, namely the ability to send notifications when you log in to your root account. This point will be considered in this article.   The...

For many projects, there is a need to use several programming languages on the back-end. We will consider creating a Java API service using PHP as the back-end language for retrieving and displayin...

Most applications use a database to store data. One of the most popular open source solutions is PostgreSQL. PostgreSQL is a powerful, open source object-relational database system with over 30 yea...

The Java programming language is used for very many applications. We will consider installing Oracle JDK 8 on the Debian 9 operating system. Prerequisites: Debian 9 a sudo non-root user To ins...

For different servers, you might be needed to set custom options to be able to have access. These moments we will consider in the current article. Your SSH config file should be located within the...

Usually, most blogs are using WordPress. In this article, we will step you through the installation process of Wordpress on your site. According to https://w3techs.com/technologies/overview/conten...

In this article, we will discuss the installation of PHP 7.1 on the Debian 9 to meet your needs. PHP 7.1 is not available via the default Debian repositories, so we will add the “packages.sury.org...

In this article we will show you how to install Oracle’s mysql server to your site instad of MariaDB mysql server. Prerequisites: Debian 9 a sudo non-root user In the latest stable version of ...

In this article, we will show you how to obtain free SSL certificate and secure your web server with it. Also, we will show how to renew your certificates automatically. Prerequisites: Debian 9 ...