CoreOS
How CoreOS’s automatic update model affects your uptime planning
CoreOS updates and reboots itself by default. That's a deliberate low-maintenance design choice - but it has a real uptime consequence you need to…
18 February 2025 4 min read
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CoreOS
Running your first container with Podman
CoreOS ships Podman, not Docker, as its default container runtime. Here's how to pull and run your first container, and how to make it…
14 February 2025 3 min read
CoreOS
Provisioning CoreOS with an Ignition config
On CoreOS, there's no "create a user after boot." Configuration happens once, via an Ignition file. Here's how to write one with Butane and…
11 February 2025 4 min read
CoreOS
What is Fedora CoreOS, and who is it actually for?
Fedora CoreOS isn't a general-purpose server OS - it's an immutable, auto-updating platform built to run one thing: containers. Here's who it actually suits.
7 February 2025 5 min read
Guides and How Tos
Keeping OpenBSD Up to Date with syspatch
How syspatch applies binary security patches to OpenBSD's base system, how to list and roll them back, and why it won't take you to…
4 February 2025 4 min read
Guides and How Tos
pf firewall basics on OpenBSD
pf, OpenBSD's native packet filter (later ported to FreeBSD and macOS), is configured in /etc/pf.conf with a compact, readable rule syntax - here's a…
31 January 2025 4 min read
Guides and How Tos
Installing packages with pkg_add
OpenBSD manages pre-built binary packages with pkg_add, pkg_info, and pkg_delete - a different command family from FreeBSD's unified pkg tool, and distinct from building…
28 January 2025 3 min read
Guides and How Tos
Creating a new user on OpenBSD
OpenBSD's interactive adduser walks you through creating an account step by step, and doas - OpenBSD's own, simpler alternative to sudo - handles privilege…
24 January 2025 3 min read
Guides and How Tos
What is OpenBSD, and why is it considered one of the most secure OSes?
OpenBSD isn't Linux with a different name - it's a separate Unix-like operating system built from the ground up around one priority: security by…
21 January 2025 5 min read
FreeBSD
Keeping FreeBSD Up to Date with freebsd-update
How to patch the FreeBSD base system with freebsd-update, why it's separate from pkg upgrades, and how to automate security patch checks with cron.
17 January 2025 4 min read
FreeBSD
ZFS basics on FreeBSD
ZFS is a native, first-class filesystem on FreeBSD, not a bolt-on. Here are the core concepts and commands, and why snapshots matter for a…
14 January 2025 4 min read
FreeBSD
Getting started with FreeBSD jails
Jails are FreeBSD's native lightweight virtualisation - process and filesystem isolation without the overhead of a full VM. Here's the concept and a first…
10 January 2025 4 min read
FreeBSD
Managing packages with pkg and the Ports Collection
FreeBSD gives you two ways to install software: the fast pkg binary package manager, and the source-based Ports Collection. Here's when to use each.
7 January 2025 4 min read
FreeBSD
Creating a new user on FreeBSD with adduser
FreeBSD's adduser walks you through account creation interactively - a different workflow from Linux's useradd and passwd. Here's how it works, step by step.
3 January 2025 4 min read
FreeBSD
What is FreeBSD, and how is it different from Linux?
FreeBSD isn't a Linux distribution - it's a separate Unix operating system with its own kernel and base system. Here's what that actually means…
31 December 2024 5 min read