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Litestream VFS
Query your SQLite database any time, anywhere
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The latest blog posts to take off on Hacker News. 2,538 posts.
Infrastructure & DevOps
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152
Decreasing Certificate Lifetimes to 45 Days
Let’s Encrypt will be reducing the validity period of the certificates we issue. We currently issue certificates valid for 90 days, which will be cut in half to 45 days by 2028. This change is being made along with the rest of the industry, as required by the CA/Browser Forum Baseline Requirements, which set the…
153
You want microservices, but do you need them?
Before you default to microservices, weigh hidden costs and consider a modular monolith or SOA. Learn when Docker delivers consistency and scale—without sprawl.
154
NixOS 25.11 released
Nix is a tool that takes a unique approach to package management and system configuration. Learn how to make reproducible, declarative and reliable systems.
155
Reinventing how .NET builds and ships (again)
An exploration of how .NET evolved from a distributed build system to Unified Build, dramatically reducing complexity and build times while improving flexibility and predictability for shipping .NET releases.
156
GrapheneOS migrates server infrastructure from France
The GrapheneOS project has announced on X that they are ceasing all operations in France, asserting that the country is no longer safe for "open source projects"
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Building the largest known Kubernetes cluster
Learn about the architectural innovations we used to build a 130,000-node Kubernetes cluster, and the trends driving demand for these environments.
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Ubuntu LTS releases to 15 years with Legacy add-on
Ubuntu Pro now supports LTS releases for up to 15 years through the Legacy add-on. More security, more stability, and greater control over upgrade timelines for enterprises. […]
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A $1k AWS mistake
A cautionary tale about AWS VPC networking, NAT Gateways, and how a missing VPC Endpoint turned our S3 data transfers into an expensive lesson.
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The Connectivity Standards Alliance Announces Zigbee 4.0 and Suzi
DAVIS, California – November 18, 2025 – The Connectivity Standards Alliance (Alliance) announced today the release of Zigbee 4.0 and Suzi, the new brand for Zigbee’s Sub-GHz feature…
162
How when AWS was down, we were not
Nothing can have an unlimited uptime. But even when AWS and other hyperscalers are having incidents, we've created an architecture that is resilient to those outages. Here's how we do it for Authress.
163
Backblaze Drive Stats for Q3 2025
Read the Q3 2025 Drive Stats report to see the latest annualized failure rates, and an analysis of how we define failure in the first place.
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Kubernetes Ingress Nginx is retiring
To prioritize the safety and security of the ecosystem, Kubernetes SIG Network and the Security Response Committee are announcing the upcoming retirement of Ingress NGINX. Best-effort maintenance will continue until March 2026. Afterward, there will be no further releases, no bugfixes, and no updates to resolve any…
165
We cut our Mongo DB costs by 90% by moving to Hetzner
We moved MongoDB Atlas off AWS and onto self-hosted Hetzner boxes — 90% cost cut, no performance loss. Here's the setup, the Ansible, and what broke.
166
Run Nix Based Environments in Kubernetes
Run reproducible, immutable environments in Kubernetes without container images. Faster deploys, SBOMs-by-default, and zero drift with Flox.
167
Immutable Software Deploys Using ZFS Jails on FreeBSD
An article demonstrating immutable software deployments using ZFS snapshots and FreeBSD jails, with Caddy as a health‑checked reverse proxy for zero‑downtime upgrades.
168
An eBPF loophole: Using XDP for egress traffic
XDP only works for ingress. We found a loophole that lets it work for egress. Here's how we did the impossible.
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How We Found 7 TiB of Memory Just Sitting Around
How we saved 7 TiB of memory across our Kubernetes clusters by disabling namespace listwatching in Vector, reducing daemonset overhead and API server load at scale.
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Tailscale Peer Relays
Tailscale Peer Relays provide predictable, performant access, entirely within your own tailnet.
171
Replacing EBS and Rethinking Postgres Storage from First Principles
Fluid Storage reimagines block storage like EBS with zero-copy forks, true elasticity, and sync replication. Built for the age of agents.
172
AWS to bare metal two years later: Answering your questions about leaving AWS
Two years after our AWS-to-bare-metal migration, we revisit the numbers, share what changed, and address the biggest questions from Hacker News and Reddit.
173
Tailscale Services
Tailscale Services is a new way to define available resources on your network and expand the granularity of your access controls to resources that may not have Tailscale installed on them.
174
Avoid 2:00 and 3:00 am cron jobs (2013)
A word to the wise: Do not set any cron jobs for 2:00 am or 3:00 am on Sunday morning! Or to be safe, on other mornings besides Sunday as well, since jobs originally set to run on some particular day may eventually be changed to run on another day, or every day.
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We saved $500k per year by rolling our own "S3"
At thousands of uploads/second, S3’s per-request fees dominated costs. We built N3, a Rust in-memory landing zone with S3 as overflow.
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SourceFS: A 2h+ Android build becomes a 15m task with a virtual filesystem
SourceFS - a high-performance virtual filesystem that builds Android 9× faster, cuts compute costs by 14×, and reduces disk usage by 83× — unlocking a new level of developer productivity.
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Migrating from AWS to Hetzner
We saved 76% on our cloud bills while tripling our capacity by migrating to Hetzner from AWS and DigitalOcean. Digital Society is a not-for-profit cooperative helping you get your projects off the ground and realise the value of your data.
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Are hard drives getting better?
After 13 years, the data is clear—the bathtub curve does not apply to hard drives. And, more importantly, hard drives are failing less and lasting longer.