Leaning k8s the Cooper way via Claude and Ansible …
cooperlees Building Kubernetes the Hard Way — Then Automating It All with Ansible How I went from zero k8s knowledge to a fully IPv6-only, BGP-routed, HA Kubernetes cluster in 7 weeks…
tech
nftables telemetry in 2026
<p>I've been running nftables for years. But I've never sat down to get good telemetry for it. For firewalls to get good telemetry coverage I feel you need:</p> <ul> <li><strong>Rule…
systemd … targeting Requires=, Wants, Before= and happily ever After= again …
systemd progressed the Linux PID 1 situation adding many feature and capabilities. But, as always, with features and capabilities, comes complexity. One thing I and many co-workers have found difficult…
Book REVIEW: Linux Service Management Made Easy with systemd: Advanced techniques to effectively manage, control, and monitor Linux systems and services 1st Edition
<p><a href="https://www.amazon.com/gp/product/B09D3VHLD2/" title="Amazon Link">Amazon Link</a></p> <ul> <li>Disclaimer: I get no royalites or anything here - Just had coworkers ask me about it</li> </ul> <p>So since I'm no systems guru and…
Stop IPv4 Point-To-Point Addressing your Networks
<p>IPv4 addressing on links is no longer required to route IPv4. What you say?? Yes, you can stop IPv4 addressing your point to point links with <em>Legacy IP</em> and route…
NAT64: Using `jool` on Ubuntu 20.04
I found that jool has very good tutorials, but all the commands to get going are hidden in these large tutorials. Here are the steps I took to get it…
Ansible + Handy PyPI CLI Tools
I often use a lot of PyPI CLI tools. Here is an example of how to get them easily installed and kept up to date via Ansible on Ubuntu >=…
IPv6 + Flow labels
Recently a teammate and I have come across a frame forwarding issue with ECMP on a hardware ASIC in a device I work on where the use of Flow labels…
BitBucket + hg + branch merges
Ever have to update/merge a PR on BitBucket with Mercurial? I couldn't find documentation anywhere, so doing so here: hg up BOOKMARK_NAME hg merge -r REV If EDITOR is not…
Python 3.7 – The best Python Release Ever!
Especially because: https://github.com/python/cpython/commit/47320a652e872003f3dd3a9db4243067b09dd316#diff-c6a3fa0ad7b17f8e32f340835a4e5353 🙂