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My IRC client runs on Kubernetes
Trust me, there's a reason for this
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Bpftop: Streamlining eBPF performance optimization
By Jose Fernandez
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Install Asdf: One Runtime Manager to Rule All Dev Environments
Almost everyone I know who uses a computer, for...
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Lambda on hard mode: serverless HTTP in Rust
In this post, we'll talk about how Modal handles real-time HTTP requests and WebSockets in serverless functions.
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My deployment platform is a shell script
my deployment platform is a shell script 2024-04-09 like many people, i fell in love with free software because i could install it. i'd come home from work and install a bunch of software. what fun! tee hee! a playground and i'm the prince! but eventually, relentlessly, it all starts to feel more like a horror show…
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Using ARG in a Dockerfile – beware the gotcha
Learning about the subtle gotcha with ARG and FROM instruction ordering in Dockerfile definitions.
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How to Distribute Postgres Geographically
Documenting a pattern for making multi-tenant applications global by distributing the data, using only standard PostgreSQL functionality.
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Is it okay to daisy chain a UPS?
Is it OK to daisy chain UPSs? Let’s look at a few reasons this is a common question and alternative approaches that can better address the target.
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Ubuntu Desktop 24.04 LTS: Noble Numbat
Learn how Ubuntu Desktop 24.04 LTS is built to empower open source developers and deliver innovation for the next 12 years. […]
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Docker Compose Isn't Enough
Docker Compose solves real problems in getting applications deployed. It causes problems when deploying many applications. We can do better.
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Packaging Swift Apps for Alpine Linux
While trying to build my Age Apple Secure Enclave plugin , a small Swift CLI app, on Alpine Linux , I realized that the Swift toolchain doesn’t run on Alpine Linux. The upcoming Swift 6 will support (cross-)compilation to a static (musl-based) Linux target, but I suspect an Alpine Linux version of Swift itself isn’t…
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vDPA: Support for block devices in Linux and QEMU
Using libblkio, QEMU Storage Daemon, and VDUSE
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All You Need Is 4x 4090 GPUs to Train Your Own Model
How I built an ML rig for training LLMs locally, exploring hardware choices, setup tricks, and lessons learned along the way.
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Static IPs for Serverless Containers
Now your Modal containers around the world can have static outbound IPs. Featuring WireGuard, policy-based routing, and NAT.
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Technical Details on Today's Outage
Learn more about the technical details around the Falcon update for Windows hosts.
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LedgerStore Supports Trillions of Indexes at Uber
Uber connects the physical and digital worlds to help make movement happen at the tap of a button. Billions of trips, deliveries, and tens of billions of financial transactions across earners, spenders, and merchants are made at Uber every quarter. LedgerStore is an immutable storage solution at Uber that provides…
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How to setup self hosted wiki for your startup
Blog about Software Engineering
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Personal Mail Server on OpenBSD (2019)
I will use this place to relate my geeky adventures in the world of gnu/linux, bsd, the internets, and other important things like windows managers and pretty colors. Basically, it's a place to expose and share with the world things I do on my computer.
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The time keepers: pg_cron and pg_timetable
Need to schedule tasks in PostgreSQL? Compare pg_cron for simple in-database scheduling with pg_timetable for complex workflows and multi-cluster orchestration.
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Leader Election with S3 Conditional Writes
In distributed systems, for instance when scaling out some workload to multiple compute nodes, it is a common requirement to select a leader for performing a given task: only one of the nodes should …
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Stop Doing Cloud
An example of how you can save money, simplify your architecture and speed up the development by going back to the basics and ditching the cloud, kubernetes and whatnot.
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Monitoring latency: Cloudflare Workers vs Fly vs Koyeb vs Railway vs Render
We benchmarked latency across 5 cloud providers from 6 global locations over 2 weeks. Cloudflare Workers averaged 182ms, Fly.io 61ms (warm), Railway 381ms, Koyeb 539ms, and Render 451ms. Full timing breakdowns included.