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Solid and Secure Services with Linux by KernelTLV

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Campus London

4-5 Bonhill Street

London

EC2A 4BX

United Kingdom

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Silence of the Canaries

Named after coal mine canaries, this technique can help protect your kernel from buffer overflow attempts. Gil Yankovitch demystifies this poorly-understood technique, its tradeoffs and how it relates to userspace.

We will talk about:

  • Calling conventions

  • GCC canary implementation

  • Canaries in Linux

  • Various tradeoffs you can make


Speaker: Gil Yankovitch

CEO, Chief Security Researcher at Nyx Software Security Solutions, Has 8 years of experience with software security and embedded security research including secure software development and vulnerability research, both Kernel and User. Specializes in security mechanisms research and development in Operating Systems in Linux, Android, FreeBSD, VxWorks, ThreadX, FreeRTOS and various other proprietary operating systems.


cgroupv2: Linux's New Unified Control Group System

cgroupv1 (or just "cgroups") has helped revolutionise the way that we manage and use containers over the past 8 years. A complete overhaul is coming -- cgroupv2. This talk will go into why a new control group system was needed, the changes from cgroupv1, and practical uses that you can apply to improve the level of control you have over the processes on your servers.

We will go over:

  • Design decisions and deviations for cgroupv2 compared to v1

  • Pitfalls and caveats you may encounter when migrating to cgroupv2

  • Discussion of the internals of cgroupv2

  • Practical information about how we are using cgroupv2 inside Facebook


Speaker: Chris Down

Production Engineer at Facebook's Web Foundation team


Chris Down is a Production Engineer on Facebook's Web Foundation team, based in London. He is responsible for debugging and resolving major production issues, and improving the reliability and efficiency of Facebook's systems. He also is a contributor to Facebook's open source efforts, including osquery, an operating system instrumentation framework for OS X and Linux.


KernelTLV is a Linux kernel community based in Tel Aviv, Israel.

Founded in 2015 by Kfir Gollan, Gili Yanovitch and Ido Ben-Yair, we focus on high-quality tech talks on Linux kernel programming, driver development, low-level concerns as well as how operating systems like Linux are impacted by, and in turn influence broader trends in the computing industry.

In the past we've had great talks about security, concurrency and safety, the future of memory, high-scale distributed services, networking and more.

During London TechWeek 2017, KernelTLV is coming to Campus London.

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Date and Time

Location

Campus London

4-5 Bonhill Street

London

EC2A 4BX

United Kingdom

View Map

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