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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.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 4,377 posts.
Infrastructure & DevOps
Any year
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Ubuntu Snap update spoiled my World Cup Final
Goodbye Ubuntu, Goodbye Snaps I missed two goals in the World Cup Finals because of this. It’s not the first time Snap has been a problem, but it’s most definitely the last straw. What happened? I was happily watching the second half of the Fifa World Cup Final, using “ShowMax” – a South African paid … Continue…
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Bun v0.7.0
vite dev support, Workers, bun --smol, WebSocket.ping(), structuredClone(), serialize() and better Node.js compatibility
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Speed boost achievement unlocked on Docker Desktop 4.6 for Mac
Learn from Docker experts to simplify and advance your app development and management with Docker. Stay up to date on Docker events and new version
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The end-to-end refresh of our server hardware fleet
Visit the post for more.
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Very Long-Term Backup (2008)
The Long Now Foundation fosters long-term thinking. Our work encourages imagination at the timescale of civilization — the next and last 10,000 years — a timespan we call the long now.
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Podman Desktop 1.2 Released: Compose and Kubernetes Support
Podman Desktop 1.2 has been released!
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Turing Pi 2: 4 Raspberry Pi nodes on a mini ITX board
Last year I spent a bit of time building a Kubernetes cluster with the original Turing Pi. It was fun, and interesting, but ultimately the performance of the Compute Module 3+ it was designed around led me to running my homelab off some newer Pi 4 model B computers, which are at least twice as fast for almost…
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ZeroMQ instead of HTTP, for internal services
A post by August Lilleaas, published July 22, 2013.
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Announcing the New AWS Secret Region
The AWS Secret Region can operate workloads up to the Secret U.S. security classification level. Cloud security at AWS is the highest priority. AWS customers benefit from data center and network architecture built to meet the requirements of the most security-sensitive organizations. AWS supports more classification…
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Consul 1.0 Released
Today we are excited to announce the public availability of HashiCorp Consul 1.0. Consul is a tool for service discovery and runtime configuration for distributed applications and infrastructure. Consul joins Vagrant and Packer as the third HashiCorp product to reach the 1.0 milestone.
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Announcing HashiCorp (a Company for Vagrant)
Today I announce the launch of HashiCorp. I am Mitchell Hashimoto, the creator and maintainer of Vagrant, and I am founding HashiCorp to drive Vagrant's development forward. Vagrant has become a trusted tool in the industry in the three years since its release, with users ranging from individuals to entire development…
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Self-hosted HTTP tunnels with SSH and Nginx
No extra software to install: OpenSSH remote forwarding and nginx's secure_link module give you a shareable HTTPS URL with an expiring token.
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Prometheus 3.0
An open-source monitoring system with a dimensional data model, flexible query language, efficient time series database and modern alerting approach.
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Linux's Bedtime Routine
How does Linux move from an awake machine to a hibernating one? How does it then manage to restore all state? These questions led me to read way too much C in trying to figure out how this particular hardware/software boundary is navigated.
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Hostnames and usernames to reserve
If you're setting up a service where people can register their own usernames to be used as a hostname (username.example.com), email address (username@example.com), or URL path (example.com/username) within your domain, there are some common names you should avoid letting the general public register. Many …
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Will Kubernetes Collapse Under the Weight of Its Complexity?
A few weeks ago, I attended and spoke at KubeCon EU. It was a massive event attended by around 4,700 people...However, I felt there was an underlying problem with the whole spectacle: everyone I talked to was either an operator or an SRE. Where were al...
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Answering your questions about Heroku routing and web performance
Hi. I'm Adam Wiggins, cofounder and CTO of Heroku. Heroku has been my life’s work. Millions of apps depend on us, and I take that responsibility very...
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Why we moved from AWS RDS to Postgres in Kubernetes
Every new Nhost project now gets a dedicated PostgreSQL instance on Kubernetes with root access, custom extensions, and direct connections.
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Potential Issues of Using a USB Powerbank as a UPS (2021)
On my recent review of the Blitzwolf BW-P12 10000mAh Power Bank, a reader commented asking whether that particular power bank could be used as a makeshift uninterruptible power supply (UPS) for USB…
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The Impending Cloud Reshuffle
A theory that cloud vendors will focus on the lowest layer of the infrastructure stack and startups will take over the software layer.
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CVE-2026-31431: Copy Fail vs. rootless containers
In the previous post about SELinux MCS and GitLab runners, I briefly mentioned CVE-2026-31431 (“Copy Fail”) as a motivating example for per-job VM isolation. After that post went out I spent the weekend setting up a lab to actually run the exploit, trace it at the syscall level, and verify that the rootless Podman…
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InfluxDB is betting on Rust and Apache Arrow for next-gen data store
InfluxData Founder & CTO Paul Dix lays out a vision for the future of InfluxDB and introduces a new project that will form its basis: InfluxDB IOx.
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A Manager’s Guide to Kubernetes Adoption
Discussion on Hacker News This article and its topic were the subject of fairly detailed discussion on this thread here on Hacker News. Perusing through the comments should be well worth your time,…