Category: 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 Statistics</strong> <ul> <li>See what rules are getting hit</li> <li>Overly hot rules</li> <li>Rules no longer getting hit (cleanup)</li> </ul> </li> <li><strong>Logs + Analysis</strong> <ul> <li>Summarized traffic [ View Post… ]

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 am now working on a Linux Distribution effectively at work I thought I'd read this book. Especially since it relies so heavily on <a href="https://systemd.io/" [ View Post… ]

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 working on Ubuntu 20.04 on both a Raspberry Pi + Protectli Vault. Please pre-read and refer to to Jool’s Documentation for more information. I have [ View Post… ]

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 >= 18.04. Install base pip via apt then run pip: – name: Get Python3 pip package: name: python3-pip state: latest – name: Add some handy Python [ View Post… ]