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Application-Layer DDoS Attack Protection with HAProxy
This blog post describes techniques that utilize ACLs, maps, and stick tables.
Topics /
Infrastructure & DevOps
The most popular blog posts about infrastructure & devops on Hacker News. 4,375 posts.
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Cloud Platform at Google I/O – new Big Data, Mobile and Monitoring products
Cost per task: Using cheap classifiers to route across Gemini models and thinking levels
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Google Cloud Platform Launches Northern Virginia Region
Google Cloud Platform (GCP) continues to rapidly expand our global footprint, and we’re excited to announce the availability of our latest cloud region: Northern Virginia.
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HAProxy vulnerability enables HTTP request smuggling attacks
We enable the world to secure the web. Burp Suite, the Web Security Academy, and world-leading research from PortSwigger — the AppSec community’s home.
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Rkt reaches 1.14.0
No single cloud fits all. Explore how we build a more flexible future with hybrid cloud.
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Cookbook: Finetuning Llama 2 in your own cloud environment, privately
An operational guide on finetuning Llama 2, ready for commercial use.
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Support for IPv6
You can now connect to Backblaze B2 Cloud Storage via IPv6. Here's the story of how we deployed it and why that matters for you.
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96 MacBook Pro’s in one server rack
96 MacBook Pro’s in a single Rack space We had a need to introduce 96 MacBook Pro’s for our product testing. Our requirements included Retina displays, small form factor, low powe…
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We're moving away from swap partitions on our Linux servers
You're probably reading this page because you've attempted to access some part of my blog (Wandering Thoughts) or CSpace , the wiki thing it's part of. Unfortunately you're using a browser version that my anti-crawler precautions consider suspicious, most often because it's too old (most often this applies to versions…
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What I Self Host
I’ve always liked reading blogs, and have used several feed readers in the past (Feedly, for example). For a long time I was thinking it would be fun to writ...
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Ubuntu Pro Shenanigans
10/18/2026: Drive Specifications Matter (Complete) 10/09/2026: Gear Review: XTEINK X4 Pro 10/09/2026: Gear Review: OLYVUE V78 Dash Cam 10/01/2026: UNREDACTED Magazine Issue 013 09/21/2026: Updated OSINT Scripts 09/20/2026: New Socials 08/29/2026: Blog Archive 08/20/2026: Free PDF Self-Publishing Guide 08/19/2026: OS…
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The Move from Linux to FreeBSD
About 2 months ago, I had a spare VPS at my host, Hetzner. So I decided to play with FreeBSD which was being offered for Hetzner servers and VPSes.That’s how the whole thing started. I didn’t have much problems getting the concepts because it belongs to *nix family of OSes [...]
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LUMI, Europe’s most powerful supercomputer
LUMI is the first pre-exascale supercomputer of the EuroHPC Joint Undertaking and is now Europe’s most powerful supercomputer. It will be inaugurated on Monday 13 June 2022 in Kajaani. LUMI offers European researchers a world-class tool for understanding complicated phenomena, such as climate change. LUMI serves as a…
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RFC8950: Announce IPv4 with an IPv6 next-hop
This post covers how RFC8950 gives the ability to route IPv4 over IPv6 BGP sessions with IPv6 next-hops
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Log messages are mostly for the people operating your software
You're probably reading this page because you've attempted to access some part of my blog (Wandering Thoughts) or CSpace , the wiki thing it's part of. Unfortunately you're using a browser version that my anti-crawler precautions consider suspicious, most often because it's too old (most often this applies to versions…
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Demonstrably Secure Software Supply Chains with Nix
Discover how Nix can revolutionize your software supply chain security, enabling verifiable integrity and offline rebuilds from source.
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Amazon Aurora with PostgreSQL Compatibility
Late last year I told you about our plans to add PostgreSQL compatibility to Amazon Aurora. We launched the private beta shortly after that announcement, and followed it up earlier this year with an open preview. We’ve received lots of great feedback during the beta and the preview and have done our best to make […]
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Hidden dependencies in Linux binaries
I have recently released an open source tool called sotrace . It maps out the .so dependencies for a binary or library, and presents th...
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AWS Managed Workflows for Apache Airflow
As the volume and complexity of your data processing pipelines increase, you can simplify the overall process by decomposing it into a series of smaller tasks and coordinate the execution of these tasks as part of a workflow. To do so, many developers and data engineers use Apache Airflow, a platform created by the…
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Native FreeBSD Kerberos/LDAP with FreeIPA/IDM
I want to make this clear in the first sentence because its biggest chance that people will read it – this article is entirely based on work done by Christian Hofstede-Kuhn (Larvitz) that wro…
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Ahrefs Saved US$400M in 3 Years by Not Going to the Cloud
How Ahrefs Saved US$400M in 3 Years by NOT Going to the Cloud Clouds for IT infrastructure are so popular lately that moving into the cloud has become a trend. Infrastructure as a service (IaaS) …
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Postmortem: Azure DevOps (VSTS) Outage of 4 Sep 2018
Today, we’re happy to introduce Azure DevOps service status portal which helps with real time insights into active service events and provides further details o...
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An underwater landslide knocked out two critical submarine cables serving Africa
On Sunday, August 6, an undersea landslide in one of the world’s longest submarine canyons knocked out two of the most important submarine cables serving the African internet. The loss of these cables knocked out international internet bandwidth along the west coast of Africa. In this blog post, we review some history…
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Explaining modern server monitoring stacks for self-hosting
In this article, I'm exploring four different servers monitoring setups involving Grafana, VictoriaMetrics, Prometheus and Collectd.