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The most popular blog posts about infrastructure & devops on Hacker News. 281 posts.
End-to-end documentation of a journey from no PCB experience to fabricating my own Linux-ready system that can boot the latest mainline kernel. This article is the recommended reading for someone building their first embedded Linux board. F1C100s SoC is used for this sample board.
As a consultant, I have been called in to review and, in many cases, replace dozens of half-finished, abandoned, and sometimes forgotten data infrastructure projects.
Researchers at ETH Zurich are using iron to store hydrogen safely and for long periods. In the future, this technology could be used for seasonal energy storage.
OpenTelemetry round for 2023 and what to expect in 2024
Time series databases are essential tools in any software engineer’s toolbelt. Their development has been shaped by user needs and countless open source contributors, leading to the healthy ecosystem of options we see today. In this article, you’ll see how time series databases came about, and why so many are open…
Trigger HTTP webhooks on every INSERT, UPDATE, or DELETE in PostgreSQL. Open-source CDC setup with pgstream, no polling required.
We’re excited to announce three new features for Cloudflare R2: event notifications, support for migrations from Google Cloud Storage, and an infrequent access storage tier
Investment to accelerate zero trust builds, SBOM, security tooling, and developer experience Boulder, CO - August 26, 2024—The FreeBSD Foundation, dedicated to advancing the open source FreeBSD operating system and supporting the community, announced that Germany’s Sovereign Tech Fund (STF) has agreed to invest…
SST now natively supports building containerized applications.
Note: code used in this article can be found on the Github repo jepsen-postgres-ha .
TLDR; Get your Docker Cheat Sheet as PDF or as an image . To follow this article, make sure your development machine has Docker installed . In this blog post, we write our own Dockerfiles, learn how to create images, and finally run them as container. The complete source code is available on GitHub .
Updated October 2025 to reflect the growth in binaries from 12 to <50.
IBM announced IBM® LinuxONE 4 Express, extending the latest performance, security and AI capabilities of LinuxONE to small and medium sized businesses and within new data center environments.
Access for Infrastructure, BastionZero’s integration into Cloudflare One, will enable organizations to apply Zero Trust controls to their servers, databases, Kubernetes clusters, and more. Today we’re announcing short-lived SSH access as the first available feature of this integration.
Most Django scaling guides focus on theoretical maximums. But real scaling isn't about handling hypothetical millions of users - it's about systematically eliminating bottlenecks as you grow. Here's how to do it right, based on patterns that work in production.
On April 3rd, we received a Cease and Desist letter from HashiCorp regarding our implementation of the "removed" block in OpenTofu, claiming copyright infringement on the part of one of our core developers. We were also made aware of an article posted that same day with the same accusations. We have investigated these…
Cron scripts are responsible for critical Slack functionality. They ensure reminders execute on time, email notifications are sent, and databases are cleaned up, among other things. Over the years, both the number of cron scripts and the amount of data these scripts process have increased. While generally these cron…
In this post, we explore how the OpenTelemetry project has carried out its vision for vendor neutrality in the observability space.
A long day of debugging led to a better solution: Signed URLs.
On Wednesday, March 13, 2024, Let’s Encrypt generated 10 new Intermediate CA Key Pairs, and issued 15 new Intermediate CA Certificates containing the new public keys. These new intermediate certificates provide smaller and more efficient certificate chains to Let’s Encrypt Subscribers, enhancing the overall online…
By replacing pip with uv in our production images, our build pipeline (and therefore releasing a new version) is a lot faster.
ETags - an elegant weapon, for a more civilised age
This is the story of an investigation conducted by Jochen Sprickerhof, Helmut Grohne, and myself. It was true teamwork, and we would have not reached the bottom of the …
Reduce Log Volume by 99% Without Dropping Data
Learn JuiceFS Enterprise Edition’s metadata engine design and optimization methods that reduced its metadata memory usage by 90%.
Looking beyond the hype and explaining why microservices should nearly become extinct.
