System Administration

Recently I wanted to go through the bunch of facts from different parts of the infrastructure I maintain. I’ve been already collecting Ansible facts in Redis to speed things up and then I noticed that they are actually still stored in JSON. I always had a soft spot for

Recently, after I switched to FreeBSD on my server, I decided to pay more attention to the temperatures. As I’m using Prometheus with node_exporterthe CPU temperatures are exported as node_cpu_temperature_celsiusautomatically. They didn’t, however, show any values (only NULL). It turned out that the special

I realized that I did status updates for security fixes in NGINX Extended... 1.14 (sic!). The thing is that in the meantime the entire stable 1.16 went through and here we are now, 1.18 is ready. I did communicate subsequent releases on Twitter, but there were a

One of my New Year’s resolution was to get back a bit closer to the lower level parts of Linux. And what’s there lower than the kernel itself? I always preferred vanilla kernel, even when I was fooling around with Gentoo, and this hasn’t changed. In December

I'm following Brendan Gregg's performance-related content for years now. I started when he was still in Joyent, later on I bought his Systems Performance book and I get back to it whenever I'm doing any profiling. Now I follow closely all of the latest