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HAProxy 2.4
HAProxy 2.4 adds features such as support for HTTP/2 WebSockets, authorization and routing of MQTT and FIX protocol messages, DNS resolution over TCP, and more.
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Anti-patterns when building container images
This is a list of recurring anti-patterns that I see when I help folks with their container build pipelines, and suggestions to avoid them or refactor them into something better.
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Simple SSH Security
Simple SSH Security Within a couple of minutes you can improve your SSH security significantly.
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Downloading files from S3 with multithreading and Boto3
Yesterday I found myself googling how to do something that I’d think it was pretty standard: How to download multiple files from AWS S3 in parallel using Python? After not finding anything reliable in Stack Overflow, I went to the Boto3 documentation and started coding. Something I thought it would take me like 15…
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AWS now allows customers to pay for their usage in advance
Discover more about what's new at AWS with AWS Now Allows Customers To Pay For Their Usage in Advance
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Uptime Lab's CM4 Blade Adds NVMe, TPM 2.0 to Raspberry Pi
A few weeks ago, I received two early copies of Uptime.Lab's CM4 Blade. The Blade is built for the Raspberry Pi Compute Module 4, which has the same processor as the Pi 4 and Pi 400, but without any of the built-in IO ports. You plug the CM4 into the Blade, then the Blade breaks out the connections to add some…
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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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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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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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Building a high-scale chat server on Cloud Run
In this blog, I will show you how to use WebSockets support to build a fleet of serverless containers that make up a chatroom server that can scale a high number of concurrent connections (250,000 clients).
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Summary of June 8 outage
We experienced a global outage due to an undiscovered software bug that surfaced on June 8 when it was triggered by a valid customer configuration change. Here's a rundown of what happened, why, and what we're doing about it.
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Designing Our Serverless Engine: From Kubernetes to Nomad, Firecracker, and Kuma
We decided to build our own serverless engine, one that would not be limited by existing implementations. The first version of Koyeb was built on top of Kubernetes and allowed us to quickly build a working cloud platform. After a few months of operating with this version, we decided to move user workloads from…
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We check our node_modules folder into source control
On every team at every company I've been at prior to my current role, the advice was simple: don't check your node_modules folder into your version control system (which I'll refer to as “Git” for the rest of this article…). This seemed like solid advice for multiple reasons:
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Terraform is not the golden hammer
The Kubernetes control plane for humans and AI agents, on your own infrastructure, cloud or on-premise.
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ETL Pipelines with Airflow: The Good, the Bad and the Ugly
Pipelines with Airflow ETL: Unveiling the Good, the Bad, and the Ugly sides of the process.
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Containers vs. pods – taking a deeper look
Can a Kubernetes Pod be created with plain Docker commands? Learn the difference between Containers and Pods by exploring how they are implemented under the hood.
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Laptop to Lambda: Outsourcing Everyday Jobs to Thousands of Transient Containers
This week’s paper review is the second in a series on “The Future of the Shell” (Part 1, a paper about possible ways to innovate in the shell is here ). As always, feel free to reach out on Twitter with feedback or suggestions about papers to read! These weekly paper reviews can also be delivered weekly to your inbox .
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Some thoughts on microservices
A blog about programming, technology and open-source stuff.
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Podman in Linux
Podman is the new cool kid on the block. Podman is a deamonless container(OCI) engine for Linux. It's the natural open-source Docker replac...
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Building a Space-Based ISP
There are requirements that make software engineers sweat. Massive distribution to thousands of nodes. High reliability and availability. Multiple distinct platforms. Rapid network growth. This is the world SpaceX’s Starlink program, which has set a goal to provide high-speed broadband internet to locations where…
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Reasons to switch from Windows to Linux
Windows 10? Or Windows 11? Well, why not Linux instead? Here are 11+ reasons to switch to the great open source operating system now.
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Treat Kubernetes clusters as cattle, not pets
ZITADEL is the identity infrastructure platform that is built for developers and works for all users and applications.
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Huawei ExaGear: x86_64 apps on Arm 64-bit Linux systems
Note: This post is only kept up for historical reasons. The current ExaGear EULA doesn’t allow using ExaGear outside of Huawei Kunpeng processors.
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