init Lab intro at Linux Fest Vidin

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Vladimir Vassilev

Technology News & Politics

До Виена и назад... ... където видях Metalab.

Братислава и обратно ... където се срещнах с хакерската общност Hysteria . Кемпове, работилници, конференции... ... а разликата е?

Виртуален сървър (SVN, RedMine, SMF, WP & wiki)‏

Презентация на Български от Open Fest 2015. Презентацията е насочена към хора, които желаят да използват Yocto и OpenEmbedded, за да разработват системи, които пасват на техните нужди и поддържат специфичен хардуер. С течение на времето Yocto се утвърди като де факто стандарт за вградени системи и преносими устройства. Ще бъде предоставена информация как да се изгради Linux система за вградени устроиства и да се създадат софтуерни приложения за нея.

Как Internet of Things си говорят чрез MQTT и софтуер с отворен код?

Leon Anavi

Презентация от БургасКонф 2016 на тема: "Как Internet of Things си говорят чрез MQTT и софтуер с отворен код?" Темата включва общи разсъждения за Internet of Things, информация за протокола MQTT, open source имплементации на MQTT брокери и библиотеки за създаване на MQTT клиенти.

Комуникация между Internet Of Things чрез MQTT

Leon Anavi

Linux Profiling at Netflix

Brendan Gregg

This talk discusses Linux profiling using perf_events (also called "perf") based on Netflix's use of it. It covers how to use perf to get CPU profiling working and overcome common issues. The speaker will give a tour of perf_events features and show how Netflix uses it to analyze performance across their massive Amazon EC2 Linux cloud. They rely on tools like perf for customer satisfaction, cost optimization, and developing open source tools like NetflixOSS. Key aspects covered include why profiling is needed, a crash course on perf, CPU profiling workflows, and common "gotchas" to address like missing stacks, symbols, or profiling certain languages and events.

Linux Systems Performance 2016

Brendan Gregg

Talk for PerconaLive 2016 by Brendan Gregg. Video: https://www.youtube.com/watch?v=CbmEDXq7es0 . "Systems performance provides a different perspective for analysis and tuning, and can help you find performance wins for your databases, applications, and the kernel. However, most of us are not performance or kernel engineers, and have limited time to study this topic. This talk summarizes six important areas of Linux systems performance in 50 minutes: observability tools, methodologies, benchmarking, profiling, tracing, and tuning. Included are recipes for Linux performance analysis and tuning (using vmstat, mpstat, iostat, etc), overviews of complex areas including profiling (perf_events), static tracing (tracepoints), and dynamic tracing (kprobes, uprobes), and much advice about what is and isn't important to learn. This talk is aimed at everyone: DBAs, developers, operations, etc, and in any environment running Linux, bare-metal or the cloud."

Linux Performance Analysis and Tools

Brendan Gregg

Video: http://joyent.com/blog/linux-performance-analysis-and-tools-brendan-gregg-s-talk-at-scale-11x ; This talk for SCaLE11x covers system performance analysis methodologies and the Linux tools to support them, so that you can get the most out of your systems and solve performance issues quickly. This includes a wide variety of tools, including basics like top(1), advanced tools like perf, and new tools like the DTrace for Linux prototypes.

Хакерспейсовете на Балканите и в БългарияVladimir Vassilev

The Google Summer of Code (GSoC) is a program that provides funding for student developers to work with open source organizations over the summer. The goals of the program are to inspire young developers, provide experience with open source development, and generate new code for projects. Students submit proposals to organizations and are paired with mentors. If accepted, they receive stipends for their work. A wide range of technical organizations participate each year.

init Lab intro at Linux Fest Vidin

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init Lab intro at Linux Fest Vidin