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Microsoft is Abandoning SHA-1 Hashes for Updates
Microsoft is shipping a patch to eliminate SHA-1 hashes from its update process. There’s nothing wrong with eliminating SHA-1—but their reasoning may be very interesting.
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The latest blog posts to take off on Hacker News. 1,839 posts.
Infrastructure & DevOps
Any year
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AWS Nitro System
At Tuesday Night Live with James Hamilton at the 2016 AWS re:Invent conference, I introduced the first Amazon Web Services custom silicon. The ASIC I showed formed the foundational core of our second generation custom network interface controllers and, even back in 2016, there was at least one of these ASICs going…
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Why are we templating YAML?
I was at cfgmgmtcamp 2019 in Ghent, and did a talk which I think was well received about the need for some Kubernetes configuration management as well as the solution
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Full-system dynamic tracing on Linux using eBPF and bpftrace
How do you debug an application, library or an entire system with multiple processes? One answer: tracing. An introduction into bpftrace, and an overview of the Linux tracing ecosystem (DTrace, eBPF, uprobes, etc).
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Microsoft’s Azure DevOps: An Unsatisfying Adventure
As a software developer, I know first-hand how difficult it is to build quality products quickly and cheaply. It’s an art form that we sometimes get right, and other times devolves into something akin to the Obama era healthcare government site. Our level of control over the resulting product varies, and blame for…
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Kubernetes Failure Stories
I started to compile a list of public failure/horror stories related to Kubernetes. It should make it easier for people tasked with operations to find outage reports to learn from. Since we started w
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Networking on AWS (2018)
Disclaimer: I’m not a network engineer and never have been - a tame network engineer has been consulted to ensure factual and terminological accuracy. The following is an in-exhaustive run down of everything I’ve learnt from building and using network infrastructure on Amazon Web Services. If you find you have no…
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Serverless computing: one step forward, two steps back
Serverless computing: one step forward, two steps back Hellerstein et al., CIDR’19 The biennial Conference on Innovative Data Systems Research has come round again. Today’s paper choice is su…
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Monorepos and the Fallacy of Scale
In a recent blog post entitled “Monorepos: Please don’t,” Matt Klein discusses the pros and cons - as it turns out, mostly cons in his view - of monorepos. The long and short of it is that he thinks that they are not a good fit for most teams. After thinking about this question for a few years I have come to the…
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Monorepo: please do
You should choose a monorepo because the default behavior it encourages in your teams is visibility and shared responsibility, especially…
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Monorepos: Please don’t
Here we are at the beginning of 2019 and I’m engaged in yet another discussion on the merits (or lack thereof) of keeping all of an…
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The future of Kubernetes is virtual machines
Note: If this topic has peaked your interest, you can join me for a Webinar on August 15 where I’ll dive deep into Cloud Native Operations with Kubernetes and CI/CD Pipelines. Peering into the crystal ball Kubernetes as a technology has been very important to my career this year, and will be even more so for next year…
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Build your own bare-metal ARM cluster
Learn everything you need to know about building your very own bare-metal ARM cluster with Docker and Kubernetes including real life use-cases.
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My one-liner Linux Dropbox client
In this blog post, I want to discuss one of my recent attempts to create asimple one-liner Linux Dropbox client using only free and open-sourcecomponents, in...
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Wireguard VPN: Typical Setup (2017)
I recently discovered the awesome Wireguard VPN tunnel and I was sold. Wireguard is a simple, kernel-based, state-of-the-art VPN that also happens to be ridiculously fast and uses modern cryptographic principles that all other highspeed VPN solutions lack.
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Mail Loop From Hell (2012)
One of those awesome 90ies computer stories...
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You might not need Kubernetes
Why use something bloated when you could use something minimal.
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OpenBSD on a Laptop
A guide to a secure and streamlined installation of OpenBSD 6.4 on a laptop.
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An AWS Region is coming to South Africa
In the first half of 2020 we plan to launch an AWS Region in South Africa
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