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Infrastructure & DevOps

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

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3961

An EPYC NixOS Build Farm

Nix is a powerful package manager for Linux and other Unix systems that makes package management reliable and reproducible. It provides atomic upgrades and rollbacks, side-by-side installation of multiple versions of a package, multi-user package management and easy setup of build environments.

3971

Tracing HTTP Requests with tcpflow

PagerDuty went off very early in the morning, and our hero cursed his bad luck and received the phone call. He made PagerDuty repeat the message twice, but couldn’t understand the message. He pressed the number to acknowledge the incident. He opened the MacBook and found the slack message from the PagerDuty bot more…

3972

Things I Learned Managing Site Reliability (2017)

For several years I managed the 3rd line site reliability operation for many of the world’s busiest gambling sites, working for a little-known company that built and ran the core backend online software for several businesses that each at peak could take tens of millions of pounds in revenue per hour. I left a couple…

3980

EC2 Instance Update – C5 Instances with Local NVMe Storage

As you can see from my EC2 Instance History post, we add new instance types on a regular and frequent basis. Driven by increasingly powerful processors and designed to address an ever-widening set of use cases, the size and diversity of this list reflects the equally diverse group of EC2 customers! Near the bottom of…

3982

EC2 Maintenance Update II

I’d like to give you an update on the EC2 Maintenance announcement that I posted last week. Late yesterday (September 30th), we completed a reboot of less than 10% of the EC2 fleet to protect you from any security risks associated with the Xen Security Advisory (XSA-108). This Xen Security Advisory was embargoed until…

3984

EC2 Boot Time Benchmarking

Once I finished writing ec2-boot-bench, the natural next step was to run some tests — in particular, to see how FreeBSD compared to other operating systems used in EC2. I used the c5.xlarge instance type and tested FreeBSD releases since 11.1-RELEASE (the first FreeBSD release which can run on the c5.xlarge instance…