The latest blog posts to take off on Hacker News. 1,839 posts.
[Discuss this article and read other’s comments on the subject on this thread on Hacker News.] The three fundamental building blocks of computers, CPU, I/O and RAM can come under pressure due to co…
Running my own email server has its challenges. Chief among them: my favorite mail-server software hasn’t been updated since I started using it in 1998.
Update fall 2024 I have decided to decomission this machine and it is no longer in use.
Microsoft’s recent licensing change for Windows Server is a great modern-day example of why so many businesses hated Microsoft two decades ago. Is this an aberration, or are they back to their old tricks?
Learn how to build an air quality monitoring device with a PMS7003 sensor, Raspberry Pi and some Java code. Help raise awareness about air pollution.
Complete Guide on understanding the Syslog protocol, syslog message format as well as log forwarding. Best practices included!
I could not find much information on the interwebs how many containers you can run per host. So here are mine and the issues we ran into along the way.
This is inspired by Dan Luu's post on the advantages of a single big repository over many small ones. That post is fairly old, and I confess that I'm hardly up to date on the state of tooling, both for managing multiple repos and for dealing with one big one. But I'm going to make an argument which I think mostly…
This was triggered by a recurring incident I faced where the Docker daemon was using 100% CPU on multiple cores that made the host effectively unusable.
I start more blog posts than I finish, due to no shortage of other distractions and at times a near-crippling inability to blog short. When IBM announced they were acquiring Red Hat in October 2018…
So, your machine now needs minutes to boot before you can ssh in where it used to be seconds before the Debian Buster update?
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…
I've recently read about a couple of boycotts trying to call attention to Amazon's bad labor practices. The most recent of these boycotts hopes to lead a boycott on Amazon's induced buying holiday "Prime Day", in solidarity with striking workers in several fulfillment centers in Spain. I support anyone fighting for a…
Why BPF and XDP are something you should learn.
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…
Solaris'd... This morning I got an email from our group manager asking about a UNIX server...
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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…
Nines are not enough: meaningful metrics for clouds Mogul & Wilkes, HotOS’19 It’s hard to define good SLOs, especially when outcomes aren’t fully under the control of any single party. Th…
A walkthrough for backing up a Linux server to an external storage provider like Amazon S3 automatically.
My LTE internet connection (70 Mbit downstream, 15 MBit upstream) came with a combined Huawei B315s LTE modem/access point. As I was using it for the last two to three years a couple of problems did arise: the internet connection was often shaky, oftentimes the uplink connection got lost and I had to power-cycle the…
