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A developer goes to a DevOps conference
Two days at PDX DevOpsDays, a gathering of system administrators who use version control, and write a lot of YAML.
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Raspberry Pi 4 not working with some chargers
The blog of Tyler Ward (aka scorpia)2019401 points300 commentscited by 3Hardware & Electronics details
The new pi has been released and it has a USB Type-C connector for power however people are finding some chargers are not working with it (notably macbook chargers). Some have speculated that this is due to a manufacturer limitation on the power supplies however it is actually due to the incorrect detection circuitry…
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HAProxy 2.0
HAProxy Technologies is excited to announce the release of HAProxy 2.0, bringing features critical for cloud-native and containerized environments.
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Microservices, Containers and Kubernetes in Ten Minutes
What is a microservice? What is Kubernetes for? In this post, we try to explain microservices, containers and Kubernetes in 10 minutes
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AWS costs every programmer should know
The title for this blog post is a direct reference to Latency Numbers Every Programmer Should Know. There are several versions of those numbers available now...
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How to sleep at night having a cloud service: common architecture do's
I like to sleep, but more importantly, I like to sleep while my cloud service is running.
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Building an LTE Access Point with a Raspberry Pi
In one of my last experiments I replaced my crappy T-Mobile (now Magenta) 4G modem/access point with an OpenWRT-based cheap travel router and a 4G USB LTE modem. That doubled my speed over the wireless (WLAN) network but the setup was limited by the outdated and under-powered travel rooter. So I got myself a cheap…
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An update on Sunday’s service disruption
Yesterday, a disruption in Google’s network in parts of the United States caused slow performance and elevated error rates on several Google services, including Google Cloud Platform, YouTube, Gmail, Google Drive and others. Because the disruption reduced regional network capacity, the worldwide user impact varied…
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Goodbye Docker and Thanks for all the Fish
docker, kubernetes, cloud
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Operating a large distributed system in a reliable way: practices I learned
For the past few years, I've been building and operating a large distributed system: the payments system at Uber [https://eng.uber.com/payments-platform/]. I've learned a lot about distributed architecture concepts…
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Rebuilding My Personal Infrastructure With Alpine Linux and Docker
My story of replacing three servers, across two countries, running two operating systems with a single server running Alpine Linux and Docker.
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The Amazon Premium
How the biggest cloud companies deliver the worst value
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Let's Create a Simple Load Balancer with Go
Load Balancers plays a key role in Web Architecture. In this post we are going to develop a simple load balancer with power of Go
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Reasons to turn down the transmit power of your Wi-Fi (2017)
By default almost all WiFi access points transmit at full power (100mW on 2.4GHz). This gives maximum coverage and users see a good signal ("full bars"). However, there are good reasons to turn down the transmit power to a fraction of the maximum.
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Cloudflare outage caused by bad software deploy
Starting at 1342 UTC today we experienced a global outage across our network that resulted in visitors to Cloudflare-proxied domains being shown 502 errors (“Bad Gateway”). The cause of this outage was deployment of a single misconfigured rule within the Cloudflare Web Application Firewall (WAF)
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On SQS
In my position I probably shouldn’t have a favorite AWS product, just like you shouldn’t have a favorite child. I do have a fave service but fortunately I’m not an (even partial) parent; so let’s hope that’s OK. I’m talking about Amazon Simple Queue Service , which nobody ever calls by its full name.
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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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Unbundling AWS
Why startups can build valuable businesses by unbundling AWS: focused developer tools, better user experiences, and software that does one thing well.
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Stop using low DNS TTLs
DNS latency is a key component to having a good online experience. And in order to minimize DNS latency, carefully picking DNS servers and anonymization...
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Why the “Digital Ocean killed my company” incident scares the hell out of me
Digital Ocean recently locked out a small startup. I'm scared I could be hit by a faulty abuse algorithm and a broken customer service process.
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Gitlab's Journey from Azure to GCP
GitLab Staff Engineer Andrew Newdigate shares how we completed our migration to Google Cloud Platform, and how we overcame challenges along the way.
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An always-available, online-capable Raspberry Pi in your pocket
These days, I’m building a lot of hardware projects based on the ubiquitous Raspberry Pi mini computer. Especially with the Raspberry Pi Zero W (an even tinier version, with the W denoting the wifi-capable version), you can have one anywhere and can power it from any USB power source.
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Newsrooms, let’s talk about G Suite
If you work in a newsroom, there’s a good chance you work with colleagues on Google Docs, Slides, Sheets, and more. Google Workspace software is simple and powerful. But anyone working in a newsroom has probably asked themselves: What can Google see? What about our most sensitive conversations and documents? What…
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Low-Cost VPS Testing
Last time around I was looking for a large dedicated VPS in the $100/month price range. Since then I have started deploying a lot more tiny cloud instances that cost less than $10/month to run just one or two apps. So this time around I am looking for the best bang for the buck for less $10 per month. Unmanaged, of…
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