“Infrastructure as Code” is a great thing – you can configure just about anything! In this video, we’ll explore how to use one such tool, Terraform, to provision virtual machines. We’ll explore how to set it up, create an API key, and then watch a VM come to life.
NFS (Network File System) is a fantastic way to share files between Linux and UNIX machines. In this video, Jay walks you through the process of setting up an NFS server on Ubuntu, complete with a walkthrough on mounting the exports. Not only that, you’ll see how you can utilize AutoFS for on-demand mounting as well.
There’s way too much drama with Twitter nowadays, so the alternatives are looking more attractive than ever. Setting up your own Mastodon server is a fun project, and also a potential alternative to Twitter. In this video, Jay walks you through the entire process of setting up your own Mastodon server on a Debian-based VPS.
OpenSSH is a fantastic tool for remotely managing Linux servers, but with great power comes great responsibility! If a threat actor is able to gain access to OpenSSH on your Linux server, then they have full access to cause all kinds of mischief. In this video, Jay goes over 5 must-have tweaks to strengthen the security of OpenSSH on your server.
When creating a deployment image or template for distributing Linux to devices or servers, it’s a good idea to make sure that you reset the host keys for SSH. In this video, I’ll show you an easy method I found for automating this.
You can find the systemd unit file I used in the video here.
TheLog4Shell vulnerability is taking the Internet by storm, and it’s already being used for real-world attacks. In this video, Jay discusses the details around Log4Shell vulnerability in Log4j, and also CrowdSec’s community-based response to the situation.
cloud-init is an awesome technology that can be used to customize Linux images for deployment, that lets you do all kinds of neat things such as automatically creating users, installing packages, resetting SSH keys, and more. However, it’s often shrouded in mystery. In this video, I’ll walk you through using it to create a user, set the hostname, and install some packages.
Storage volumes are essential to our Linux servers and workstations, but how do we format and mount additional storage volumes? In this episode of Linux Essentials, I’ll walk you through the process of formatting additional storage volumes and mounting them in your Linux instance.