This article demonstrates how to extent a LUKS encrypted volume. We’re using Ubuntu 22.04 and the volume is non-root. Although you could probably do the same on the root volume (partition). This is risky and you should not do this without a backup and understanding the likelihood of failure. This
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A Single Volume Versus Multi-Volume Disk Layout On Linux
This article discussed the differences between a single volume (/boot + /) and a multi-volume (/boot + / + /var + …). Or to put it another way, one volume with everything on it versus several volumes for different directories. There’s plenty of arguments for both sides. We’re basing our
Read moreCreating and Mounting Luks on boot
This article explains how to mount a Luks volume (encrypted) on boot. You’ll be asked for a password. There’s plenty of articles explaining how to do this with a crypt-key available, so I need not repeat their work. Here’s our scenario. Remember, this process is destructive. Follow this only in
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Landscape – Canonical’s Answer to WSUS
In recent times, we’ve been experimenting with Landscape from Canonical. This article describes our experience. While I don’t claim to be an expert (or even a long time user) of Landscape, I have spent time to test and deploy it. While I hope I have missed a few key points,
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Install NX NoMachine on Ubuntu 22.04
NX is an alternative to VNC allowing management of a remote system. NX is opensource (there’s a commercial version), supports encryption, and can be installed on Linux, Windows, and MacOS. This tutorial shows how to install NX on a Ubuntu server, and NX on a Windows 11 client. We’ll then
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Terraform – Getting Started – The Important Details You Need To Know
This article guides you through the process of installing Terraform, and running Terraform on your AWS environment for the first time. There’s plenty you need to know to prevent destroying your (or someone else’s) network and resources. I’ve added those issues and solutions to the bottom of this article. Install
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Install PostgreSQL, Create a User/Role, Create a DB, Backup a DB, and Restore a DB
This article walks you through the process of installing PostgreSQL, creating a user, backing up a database and restoring a database. In this tutorial, we’re using Ubuntu, but the commands are the same for everything except the installation. Install PostgreSQL on Ubuntu: apt install postgresql postgresql-contrib systemctl start postgresql ufw
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Installing Redhat Ansible Automation Platform
This article holds my notes from when I recently tested the Redhat Ansible Automation Platform. I’ve included answers to the questions I had at the start and during my effort to install the system. You need to install this on a Redhat Enterprise Linux v8.4 server, or newer. You don’t
Read moreUsing the “ip” command rather than “ifconfig” on Linux
Long-time Linux system administrators typically use the “ifconfig” command. Perhaps out of habbit, or because it works on other OS’s (similar to ipconfig on Windows). But we should be using the “ip” command in-place of “ifconfig”. The “net-tools” package needs to be installed if you want the “ifconfig” command, and
Read moreDocker 101 – Get your head around Docker
In this article we’re going to walk through installing Docker on Ubuntu, starting a few Docker containers, and then running those containers behind a reverse proxy. When we’re done, you’ll have a load balance terminating SSL (TLS) connections with multiple Docker containers running the workload. This is how it will
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