The Pulse: Firebase’s global outage & poor response
The Firebase iOS SDK crashed after a backend change, crashing all apps which used Firebase analytics for 2-6 hours. Google didn’t update the status page, but did offer a postmortem 4 days later.
devops
A practical guide to running 8x RTX PRO 6000's
Maximize parallelism across 8x RTX PRO 6000's: high-concurrency inference, model fleets, and 70B fine-tuning.
12 Best Free Platforms to Learn DevOps with Hands-On
Practice makes a devops perfect.
Docker Compose Cheatsheet
Docker Compose quick reference: lifecycle commands, Compose file directives, health checks, environment variables, profiles, scaling, and cleanup.
What job interviews taught me about Kubernetes
So I've been job hunting lately. Reading job postings, doing interviews, talking to engineering teams at like a dozen companies. And I noticed...
LLMs in Production - Christopher Brousseau and Matthew Sharp
Learn how to put Large Language Model-based applications into production safely and efficiently.
systemctl Command in Linux: Start, Stop, and Manage Services
Manage services on systemd-based Linux distributions with systemctl. This guide explains how to start, stop, restart, enable, and disable services, reload unit files, and inspect service status.
10 GitHub Repositories to Master Self-Hosting - KDnuggets
Learn how modern infrastructure works through self-hosting: containers, reverse proxies, monitoring, backups, networking, and systems operations.
Migrating from DigitalOcean to Hetzner: From $1,432 to $233/month With Zero Downtime
A real-world production migration from DigitalOcean to Hetzner dedicated, handling 248 GB of MySQL data across 30 databases, 34 Nginx sites, GitLab EE, Neo4j, and live mobile app traffic — with zero downtime.
Scaling a Monolith to 1M LOC: 113 Pragmatic Lessons from Tech Lead to CTO
For context, I work in a Django/React TS/React Native codebase on a 20-person team at MorphMarkethttps://www.morphmarket.com/. I have 17 years experience wit...
Observability for your LLM-powered apps: OTel Instrumentation for RubyLLM
LLM calls are black boxes in production. Learn how to add structured observability to your RubyLLM-powered app with OpenTelemetry.
How to Self-Host n8n on Docker in 5 Simple Steps
This tutorial will guide you through the complete process of self-hosting n8n on Docker in just 5 simple steps, with detailed explanations and code samples, regardless of your technical background.
The dangers of SSL certificates
Yesterday, the Bazel team at Google did not have a very Merry Boxing Day. An SSL certificate expired for and as shown in this screenshot from the github issue. This expired certificate apparently b…
A Detailed Guide on httpx
Fast and practical guide to using the httpx tool for web reconnaissance, probing, filtering, and fuzzing with real-world examples.
The systemd Playbook: Learn by Doing
Master systemd the practical way—one lab at a time.
The Complete LLM Tech Stack
In this article, I'll take you through the complete LLM tech stack you should know to develop & deploy real-world LLM applications.
How SSL Misconfigurations Impact Your Attack Surface
53.5% of websites have weak SSL setups—leaving attack surfaces exposed and increasing breach risk.
From code to production: A guide to continuous deployment with GitLab
Learn how to get started building a robust continuous deployment pipeline in GitLab. Follow these step-by-step instructions, practical examples, and best practices.
Ultimate guide to CI/CD: Fundamentals to advanced implementation
Learn how to modernize continuous integration/continuous deployment, including automating the development, delivery, and security of pipelines.
Year in Review: Containers Get Smaller, Faster, More Secure
Containers were a revolutionary jump ahead of virtual machines, and they continue to get faster, lighter and more secure in the years since.
Zero-downtime with Rails credentials
Transitioning the codebase from using environment variables to Rails Credentials for Zero-Downtime Deploys.
Environment variables are not encrypted and therefore they can not be stored in any form of version control.
makes it easier to add new credentials because you don’t need to tell other developers to add them to their own .env file.
The Backstage Scaffolder, a Powerful New Orchestration Tool
A look at what you can do with this tool as well as some of its limitations in comparison to its rivals.
What You Get After Running an SSH Honeypot for 30 Days
What is a honeypot?A honeypot detects and records attacks when an attacker tries to break into a system. The honeypot we will discuss here is an SSH honeypot. Environment12OS: Ubuntu 24.04 LTS x86_6
From bare metal to a 70B model: infrastructure set-up and scripts - imbue
We would like to thank Voltage Park, Dell, H5, and NVIDIA for their invaluable partnership and help with setting up our cluster. A special…
Resolving EACCES permissions errors when installing packages globally | npm
Documentation for the npm registry, website, and command-line interface
Lessons Learned from Scaling to Multi-Terabyte Datasets
This post is meant to guide you through some of the lessons I’ve learned while working with multi-terabyte datasets. The lessons shared are focused on what someone may face as the size of the…
5 Deployment Strategies: The Pros and Cons
You don't get seamless deployments entirely without cost, but some techniques bring lots of benefits with little additional complexity.
Top 10 browser automation tools to try in 2023—Free and paid
These top browser automation tools can automate your repetitive & tedious tasks on the web, including form filling, data scraping, website testing & more. Try them out in 2023 to skyrocket your productivity.
“Unprecedented” Google Cloud event wipes out customer account and its backu
UniSuper, a $135 billion pension account, details its cloud compute nightmare.
Show HN: A web debugger an ex-Cloudflare team has been working on for 4 yea
How (and why) to run SQLite in production: RubyConf Taiwan 2023
This is my personal site, where I write about Ruby, programming, and any of my varied fascinations.
4 Instructive Postmortems on Data Downtime and Loss
Learn from GitLab's 2017 incident: 300GB of data lost in seconds, but their transparent recovery is a masterclass in accountability.
How To Set Up Nginx Server Blocks on Ubuntu 22.04
This article describes how to set up Nginx server blocks on Ubuntu 22.04. You'll learn how to set up multiple websites on a single server and customize each site's settings to suit your needs.
Deployment Tools · Front End Developer Handbook 2017
Reducing our AWS bill by $100,000 - Fathom Analytics
We reduced our AWS bill so that we could invest in more important areas.
(Almost) Every infrastructure decision I endorse or regret after 4 years ru
Assortment of technology startup infrastructure recommendations
Maybe You Don't Need Kubernetes
Kubernetes is the 800-pound gorilla of container orchestration. It powers some of the biggest deployments worldwide, but it comes with a price tag...
Introducing Pkl, a programming language for configuration
Download The Ultimate Docker Cheat Sheet
Get your Docker Cheat Sheet as PDF or PNG. In this article, you learn how to write Dockerfiles, build images, and run them as container.
Lessons learned from two decades of Site Reliability Engineering
Site Reliability Engineering, incident management, learning, lessons learned, SRE
Linux Performance
A collection of documents, slides, and videos about Linux performance, mostly created by Brendan Gregg, and with a focus on performance analysis.
The Reluctant Sysadmin's Guide to Securing a Linux Server
The importance of a name.
Lessons Learned from Having Passed all Twelve AWS Certification Exams
On April 24, 2023, I finished the AWS certification marathon of passing one AWS certification exam per month (“the certification marathon”). This blog post outlines the lessons learned from this journey and expands on the previously published successful blog post On AWS…
Load Balancing
A bottom-up, animated guide to HTTP load balancing algorithms.
DORA | DevOps Research and Assessment
DORA is a long running research program that seeks to understand the capabilities that drive software delivery and operations performance. DORA helps teams apply those capabilities, leading to better organizational performance.
How to implement a Load Balancer Using Nginx & Docker
Scaling becomes a necessary part for your system when your system grows in popularity. There are two...
trimstray/the-book-of-secret-knowledge: A collection of inspiring lists, manuals, cheatsheets, blogs, hacks, one-liners, cli/web tools and…
A collection of inspiring lists, manuals, cheatsheets, blogs, hacks, one-liners, cli/web tools and more. - trimstray/the-book-of-secret-knowledge
Hosting Your Own Web Application: A Beginner's Guide with Nginx
#Introduction Have you ever desired you could develop a web application locally on your computer...
Essential Tools for a Successful DevOps Engineer
Introduction: The software development process has been transformed by the DevOps...