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NixOS 16.09 released
This section lists the release notes for each stable version of NixOS and current unstable revision.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 4,378 posts.
Infrastructure & DevOps
Any year
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Analog Devices Expands over 1000 Linux Device Drivers to Support Development
Find the latest news, announcements and media resources from Analog Devices.
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Preventing server overload: limit requests being processed
Recently at Bluecore I ran into a familiar situation: during brief periods of overload, all requests to a server were timing out. It was a catastrophic failure, where the server completely stopped serving. We added more capacity to prevent overload, but we also wanted to fix the server. Instead of exploding, it should…
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Kubernetes 1.9: Apps Workloads GA and Expanded Ecosystem
We’re pleased to announce the delivery of Kubernetes 1.9, our fourth and final release this year. Today’s release continues the evolution of an increasingly rich feature set, more robust stability, and even greater community contributions. As the fourth release of the year, it gives us an opportunity to look back at…
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Spaces: Scalable Object Storage on DigitalOcean
Helping millions of developers easily build, test, manage, and scale applications of any size - faster than ever before.
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Docker for data scientists: Introduction and use cases
Data scientists looking to learn Docker can get a brief intro and a look at how to improve your workflow
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KWOK: Kubernetes WithOut Kubelet
Author: Shiming Zhang (DaoCloud), Wei Huang (Apple), Yibo Zhuang (Apple) Have you ever wondered how to set up a cluster of thousands of nodes just in seconds, how to simulate real nodes with a low resource footprint, and how to test your Kubernetes controller at scale without spending much on infrastructure? If you…
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How we found a bug in Amazon ELB
Troubleshooting of an Amazon ELB bug found in production using the Sysdig and Wireshark analysis tools and following a strictly top-down approach.
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Understanding Linux CPU Load - when should you be worried?
Most people have an inkling of what the load averages mean: the three numbers represent averages over progressively longer periods of time (one, five, and fifteen-minute averages), and that lower numbers are better. Higher numbers represent a problem or an overloaded machine.
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Rocket and App Container 0.2.0 Release
No single cloud fits all. Explore how we build a more flexible future with hybrid cloud.
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Cilium 1.0: Bringing the BPF Revolution to Kubernetes Networking and Security
The past few months have been incredibly exciting for the Cilium and BPF community, with rapid adoption and contributions from major ...
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Backblaze's Hard Drive Stats for Q1 2018
As of March 31, 2018 we had 100,110 spinning hard drives. This review looks at the quarterly and lifetime statistics for the data drive models (Seagate, HGST, WDC, and Toshiba) in operation in our data centers.
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Cache Poisoning at Scale
Identifying and exploiting over 70 cache poisoning vulnerabilities across major bug bounty programs, including GitHub, GitLab, Shopify and HackerOne.
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The future of AlmaLinux
It’s been a whirlwind few weeks here at AlmaLinux, and I’m elated to be able to finally share this update. The future of AlmaLinux OSIn case you missed it, Red Hat announced they will no longer be providing the means for downstream clones to continue to be 1:1 binary copies of Red Hat Enterprise Linux (RHEL). Very…
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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.
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Amazon S3 Block Public Access: Protection for Your Accounts and Buckets
Update (4/27/2023): Amazon S3 now automatically enables S3 Block Public Access and disables S3 access control lists (ACLs) for all new S3 buckets in all AWS Regions. Update (August 2019)– Fresh screen shots and changes to the names of the options. Newly created Amazon S3 buckets and objects are (and always have been)…
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We rebuilt the Linux MicroVM stack on Apple Silicon
Firecracker needs KVM and therefore a Linux host, and the image tooling around it needs loop mounts and Linux userland. We rebuilt the stack on Apple's Virtualization.framework to boot the same OCI images as microVMs on macOS and on Linux.
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Why PostgreSQL High Availability Matters and How to Achieve It
Achieving PostgreSQL high availability is vital for application uptime. Explore popular HA deployment options to make an informed choice that fits your needs.
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Unpacking the Benefits of Zero Trust Architecture as Defined by NIST
NIST has released a draft of SP 1800-35 , Implementing a Zero Trust Architecture. The lengthy documents lay out their definition of Zero Trust Architecture (ZTA) , the benefits, why it’s important, a few examples of how an organization can implement them, expected results associated with their example builds, and a…
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Subsea Cable to Connect Asia, Europe, and North America Through the Arctic
Cinia agreed to start a project to build a new subsea cable in the Arctic with Alaskan company Far North Digital.
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Mitigating a DDoS on Mastodon
<p>TLDR:</p> <!-- raw HTML omitted --> <p>This will mainly be a story into how I experienced and reacted to my first real-time attack. As you may or may not ...
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FreeBSD: Home NAS, part 1 – configuring ZFS mirror (RAID1)
Prototyping a Home NAS with RAID1 on FreeBSD on a virtual machine: system installation via SSH with bsdinstall, configuring ZFS mirror and working with datasets
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