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
Release v0.9.4 · iovisor/bpftrace[0.9.4] 2020-02-04Highlights New calls: signal, override, strncmpSupport for attaching to kprobes at an offsetSupport for struct bitfields All ChangesAdded Add support to attach kprobe to of...GitHubiovisor Not long ago I wrote about backporting BCC & bpftrace in Ubuntu with focus on
CVE-2019-20372 | UbuntuUbuntu is an open source software operating system that runs from the desktop, to the cloud, to all your internet connected things.Ubuntu NGINX before 1.17.7, with certain error_page configurations, allows HTTP request smuggling, as demonstrated by the ability of an attacker to read unauthorized web
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
I already briefly wrote about the idea of having dynamically discoverable upstreams in NGINX when I covered the topic of NGINX Extended. With the boom of microservices and containers scattered all over the place there was suddenly a need for something that would serve as a single source of truth.
Apparently it’s a thing to create Beatles after Beatles albums. I guess the most famous one must be The Black Album from the Boyhood movie. Recently my brother passed me a link to this video: The Lost Beatles Album of 1971 | Vinyl Rewind. And it’s just wonderful. I