Marian Marinov
Marian is a system administrator by heart. He is working with Linux for more than 20 years. Currently, he is Director of Engineering at Web Hosting Canada. He is a big fan of FOSS and regularly speaks at different FOSS conferences around the world. Marian also helps with the organization of OpenFest - Bulgaria's biggest FOSS conference. In his spare time, he teaches Linux system administration and Network security courses at Sofia University and SoftUni.
Sessions Montréal 2025
Managing cGroups with SystemD
Session en anglais - Intermédiaire
cGroups on their own are a complicated thing, but throw in there systemd and they become even harder. Now add to that, that there are 2 different ways to setup cgroup hierarchy and 2 versions of cgroups and the whole thing becomes almost impossible to understand.
Marian will try to guide you in this journey of properly setting up cGroups, when using SystemD
Understanding your memory usage
Session en anglais - Avancé
If you have ever experienced OOM(Out-of-Memory) situation you know that it is now a nice place to be.
This talk will walk you trough the basics of how the Linux OOM Killer works. How you can control it and what actually caused OOM on a linux machine.
You will see real world examples and also what preventative measures can be taken.
