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106 Posts
  • Published Tutorial

    How To Configure Jenkins with SSL Using an Nginx Reverse Proxy on Ubuntu 20.04

    In this tutorial, you will configure Nginx as a reverse proxy to securely direct client requests to Jenkins.
    By Brian Boucheron Ubuntu Ubuntu 20.04 Deployment CI/CD Let's Encrypt
  • Published Tutorial

    How To Create a Self-Signed SSL Certificate for Apache on CentOS 8

    In this guide, we will show you how to create and configure a self-signed TLS/SSL certificate with the Apache web server on a CentOS 8 machine.
    By Brian Boucheron CentOS CentOS 8 Apache Security
  • Published Tutorial

    How To Secure Apache with Let's Encrypt on CentOS 8

    Let’s Encrypt is a Certificate Authority (CA) that facilitates obtaining and installing free TLS/SSL certificates, thereby enabling encrypted HTTPS on web…
    By Brian Boucheron CentOS CentOS 8 Apache Security Let's Encrypt Open Source
  • Published Tutorial

    How To Secure Nginx with Let's Encrypt on Ubuntu 20.04

    Let's Encrypt is a Certificate Authority (CA) that provides an easy way to obtain and install free TLS/SSL certificates, thereby enabling encrypted HTTPS on web servers. It simplifies the process by providing a softwa...
    By Brian Boucheron Nginx Ubuntu Ubuntu 20.04 Security
  • Published Tutorial

    How To Install and Configure Nextcloud on Ubuntu 20.04

    Nextcloud, a fork of ownCloud, is a file sharing server that permits you to store your personal content, like documents and pictures, in a centralized location, much like Dropbox. In this tutorial, we will install and...
    By Brian Boucheron Ubuntu Ubuntu 20.04 Applications Storage
  • Published Tutorial

    How To Set Up an NFS Mount on Ubuntu 20.04

    In this guide, we'll go over how to install the software needed for NFS functionality on Ubuntu 20.04, configure two NFS mounts on a server and client, and mount and unmount the remote shares.
    By Brian Boucheron Ubuntu Ubuntu 20.04 Networking
  • Published Tutorial

    How To Upgrade to Ubuntu 20.04 Focal Fossa

    The Ubuntu operating system's latest Long Term Support (LTS) release, Ubuntu 20.04 (Focal Fossa), was released on April 23, 2020. This guide will explain how to upgrade an Ubuntu system of version 18.04 or later to Ub...
    By Brian Boucheron Ubuntu Ubuntu 20.04 Linux Basics
  • Published Tutorial

    How To Install MariaDB on Ubuntu 20.04

    MariaDB is an open-source database management system, commonly used as an alternative for the MySQL portion of the popular LAMP (Linux, Apache, MySQL, PHP/Python/Perl) stack. It is intended to be a drop-in replacement...
    By Brian Boucheron, Mark Drake MariaDB Databases MySQL Ubuntu Ubuntu 20.04
  • Published Tutorial

    How To Install MariaDB on Ubuntu 18.04

    MariaDB is an open-source database management system, commonly used as an alternative for the MySQL portion of the popular LAMP (Linux, Apache, MySQL, PHP/Python/Perl) stack. It is intended to be a drop-in replacement...
    By Brian Boucheron MySQL MariaDB Databases Ubuntu Ubuntu 18.04
  • Published Tutorial

    How To Install Node.js on Ubuntu 20.04

    In this guide, we will show you three different ways of getting Node.js installed on an Ubuntu 20.04 server: using apt to install the nodejs package from Ubuntu's default software repository, using apt with an alterna...
    By Brian Boucheron Ubuntu Ubuntu 20.04 Node.js JavaScript
  • Published Tutorial

    How To Set Up a Firewall with UFW on Ubuntu 20.04

    This tutorial will show you how to set up a firewall with UFW on Ubuntu 20.04.
    By Brian Boucheron Security Ubuntu Ubuntu 20.04 Networking Firewall
  • Published Tutorial

    How To Add Swap Space on Ubuntu 20.04

    One way to guard against out-of-memory errors in applications is to add some swap space to your server. In this guide, we will cover how to add a swap file to an Ubuntu 20.04 server.
    By Brian Boucheron Linux Basics Ubuntu Ubuntu 20.04
  • Published Answer

    Max number of IPs for each firewall rule

    Hi Marco. Thanks for the question. I’ve consulted with one of the engineers on our Cloud Firewalls team: Unfortunately, you ca…
    By bboucheron
  • Published Tutorial

    How to Set Up SSH Keys on Ubuntu 20.04

    In this guide, we'll focus on setting up SSH keys for an Ubuntu 20.04 installation. SSH keys provide an easy, secure way of logging into your server and are recommended for all users.
    By Brian Boucheron Linux Basics Getting Started Security System Tools Ubuntu Ubuntu 20.04
  • Published Tutorial

    Initial Server Setup with Ubuntu 20.04

    When you first create a new Ubuntu 20.04 server, you should perform some important configuration steps as part of the basic setup. These steps will increase the security and usability of your server, and will give you...
    By Brian Boucheron Ubuntu Ubuntu 20.04 Getting Started Security Initial Server Setup
  • Published Tutorial

    How To Add and Delete Users on CentOS 8

    In this guide, we will cover how to create user accounts, assign sudo privileges, and delete users on a CentOS 8 server.
    By Brian Boucheron CentOS CentOS 8 Linux Basics Getting Started
  • Published Tutorial

    How To Install MariaDB on CentOS 8

    In this tutorial, we will explain how to install the latest version of MariaDB on a CentOS 8 server.
    By Brian Boucheron CentOS CentOS 8 MySQL MariaDB Databases
  • Published Tutorial

    How To Set Up a Firewall Using firewalld on CentOS 8

    In this guide, we will show you how to set up a firewalld firewall for your CentOS 8 server, and cover the basics of managing the firewall with the firewall-cmd administrative tool.
    By Brian Boucheron CentOS CentOS 8 Firewall Security
  • Published Tutorial

    How To Install Software on Kubernetes Clusters with the Helm 3 Package Manager

    Helm is a package manager for Kubernetes that allows developers and operators to more easily configure and deploy applications on Kubernetes clusters. In this tutorial, you will set up Helm 3 and use it to install, re...
    By Brian Boucheron, Savic Kubernetes
  • Published Tutorial

    How To Install Node.js on CentOS 8

    In this guide, we will show you three different ways of getting Node.js installed on a CentOS 8 server: using dnf to install the nodejs package from CentOS's default AppStream repository; installing nvm, the Node Vers...
    By Brian Boucheron Node.js JavaScript CentOS CentOS 8