Resetting OpenSSH Host Keys (the easy method)

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.

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You can find the systemd unit file I used in the video here.

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The Log4Shell Vulnerability, and CrowdSec’s Community Response

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.

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Relevant links:

Getting Started with cloud-init

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.

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Linux Essentials – Formatting & Mounting Storage Volumes

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.

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