An Introduction to Linux Permissions
Linux is a multi-user OS that is based on the Unix concepts of file ownership and permissions to provide security at the file system level.
Initial Server Setup with Ubuntu 18.04
This guide should cover everything needed for initial server setup with Ubuntu 18.04.
What is SSH? SSH Essentials, and how to use SSH
Introduction SSH is a secure protocol used as the primary means of connecting to Linux servers remotely. It provides a text-based interface by spawning a remote shell. After connecting, all commands you type in your…
How To Back Up a CentOS 7 Server with Bacula
Introduction This tutorial will show you how to set up Bacula to create backups of a remote CentOS 7 host, over a network connection. This involves installing and configuring the Bacula Client software on a…
How To Install Bacula Server on CentOS 7
Introduction Bacula is an open source network backup solution that allows you create backups and perform data recovery of your computer systems. It is very flexible and robust, which makes it, while slightly cumbersome to…
How To Redirect www to Non-www with Nginx on CentOS 7
Introduction When you have your web site or application up and running behind a domain, it is often desirable to also allow your users access to it via the plain domain name and the www subdomain. That is, they…
How To Protect SSH With Fail2Ban on CentOS 7
Introduction While connecting to your server through SSH can be very secure, the SSH daemon itself is a service that must be exposed to the Internet to function properly. This comes with some inherent risk…
Set up basic HTTP Authentication with Nginx on CentOS 7
Introduction Nginx is one of the leading web servers in active use. It and its commercial edition, Nginx Plus, are developed by Nginx, Inc. In this tutorial, you’ll learn how to restrict access to an…
Adding and deleting users in CentOS 7
Introduction When you first start using a fresh Linux server, adding and removing users is one of the most basic tasks that you should know how to do. When you create a new server, you…
Automate tasks on your cloud server using Cron
Introduction One of the most standard ways to run tasks in the background on Linux machines is with cron jobs. They’re useful for scheduling tasks on the VPS and automating different maintenance-related jobs. “Cron” itself…
