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Infrastructure & DevOps

The most popular blog posts about infrastructure & devops on Hacker News. 4,375 posts.

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2852

You can run a DNS server (2025)

In case you were wondering whether this would mean... writing zone files with some arcane syntax that BIND 9 is apparently famous of, I hereby present the main point of this post a recommendation for which DNS server to choose.

2853

Executing Cron Scripts Reliably at Scale

Cron scripts are responsible for critical Slack functionality. They ensure reminders execute on time, email notifications are sent, and databases are cleaned up, among other things. Over the years, both the number of cron scripts and the amount of data these scripts process have increased. While generally these cron…

2862

WireGuard topologies for self-hosting at home

I recently migrated my self-hosted services from a VPS (virtual private server) at a remote data center to a physical server at home. This change was motivated by wanting to be in control of the hardware and network where said services run, while trying to keep things as simple as possible. What follows is a…

2865

Marelle: logic programming for devops

In the past, walking the uneasy borderline of academia, I used to managed compute servers for my research group. New hardware was a rare godsend, configuring it by hand was natural. At 99designs, I’ve been privy to the opposite approach: machines should be disposable. This requires the entire setup of a new machine to…

2880

Anatomy of a Ceph meltdown

Last week, the server farm of our LMU Student Council had a major downtime over almost five days. As part of the administrator team there, I’d like to publish this post mortem to share our experiences and lessons learned to avoid situations like this in the future.