virtual machine

Live Patching, Virtual Machine Introspection and Vulnerability Management: A Primer and Practical Guide

Live Patching, Virtual Machine Introspection and Vulnerability Management: A Primer and Practical Guide

January 21, 2020

The talk covers several technologies and best practices to managing Security Vulnerabilities, which are told as interconnected stories. We will cover how the largest clouds in production came togeth …
Virtualized service-chained security controls within a layer 2 SDN

Virtualized service-chained security controls within a layer 2 SDN

January 21, 2020

John Studarus and Cynthia Thomas demonstrate how to service-chain traffic through multiple security functions using virtualization and software-defined networking (SDN). John and Cynthia walk you through configuring and modifying layer 2 service chains with open source cloud security tools to monitor and block malicious traffic originating from a network of virtual machines.
Understanding SCHED_DEADLINE

Understanding SCHED_DEADLINE

January 20, 2020

Starting in Linux version 3.14, a new scheduling class was introduced. Called SCHED_DEADLINE, this scheduling class implements Earliest Deadline First (EDF) along with a Constant Bandwidth Scheduler ( …
64-bit ARM Unikernels on uKVM

64-bit ARM Unikernels on uKVM

January 18, 2020

Unikernels are specialised machine images that are generated using Library Operating Systems, which have smaller footprints, no operating systems and accessing baremetal hardware directly. These desir …
Network Automation And Programmability: Reality Versus The Vendor Hype When Considering Legacy And NFV Networks

Network Automation And Programmability: Reality Versus The Vendor Hype When Considering Legacy And NFV Networks

January 18, 2020

This talk will focus on: 1 - The journey involved in network automation, at a high level 2 - Programmability as an approach to automation 3 - Legacy and Future Aut …
OpenContrail as SDN controller for NFV infrastructure in AT&T network.

OpenContrail as SDN controller for NFV infrastructure in AT&T network.

January 18, 2020

Open contrail is an open source SDN controller which natively integrates with openstack and ideally suitable for any Service provide who wants to virtualize networ …
Introduction to System Containers

Introduction to System Containers

January 17, 2020

The last couple of years have seen an increased interest in container-related technologies. When people speak of containers they usually mean process containers. They often view a container as being m …
Condensing Your Infrastructure Using System Containers

Condensing Your Infrastructure Using System Containers

January 14, 2020

As much as stateless micro-services running in containers are a great way of running your infrastructure and having it scale, very many of us have to deal with existing software that wasn't designed w …
Performance Analysis Superpowers with Linux BPF

Performance Analysis Superpowers with Linux BPF

January 8, 2020

Advanced performance observability and debugging have arrived built into the Linux 4.x series, thanks to enhancements to Berkeley Packet Filter (BPF, or eBPF) and the repurposing of its sandboxed virt …
Isolated Container Runtime for Docker Images

Isolated Container Runtime for Docker Images

January 7, 2020

Isolated Container Runtime (Harshal Patil, IBM) - Docker by default uses a container runtime called runc to run containers using cgroups and namespaces. But Docker by design can run one or many runt …
Unikernels: Where Are They Now?

Unikernels: Where Are They Now?

January 6, 2020

Unikernels represent an extreme approach to application specialisation, and have typically been associated with virtual machines running on hypervisors. However, the technology is much more widely use …
Tutorial: Using the Linux VRF Solution

Tutorial: Using the Linux VRF Solution

January 4, 2020

Virtual Routing and Forwarding (VRF) is a fundamental feature for a networking OS. VRF provides traffic isolation at layer 3 for routing, similar to how you use a VLAN to isolate traffic at layer 2. W …
A Gentle Introduction to [e]BPF

A Gentle Introduction to [e]BPF

January 2, 2020

BPF is a Linux in-kernel virtual machine that is used for networking, tracing, seccomp and more. This talk will explore BPF in Linux from the bottom up, going from its roots in the BSD Packet Filter ( …
Monitoring At Scale: What was Recently Done and Whats Next in oVirt

Monitoring At Scale: What was Recently Done and Whats Next in oVirt

December 31, 2019

Monitoring the state of high number of running virtual machine instances is crucial for effective management of large-scale virtual environments. It provides invaluable information for system administ …
Using BPF in Kubernetes

Using BPF in Kubernetes

December 25, 2019

In this talk, I will present different use cases for using BPF in a Kubernetes cluster. BPF is a Linux in-kernel virtual machine and there are different kinds of BPF programs for different subsystems …
Helping Users Maximize VM Performance

Helping Users Maximize VM Performance

December 19, 2019

QEMU supports numerous options to fine tune the virtual machine, starting from the big items such as number of CPUs, NUMA nodes or amount of memory all the way down to the choice of USB controllers, d …
System Containers

System Containers

December 19, 2019

The last couple of years have seen an increased interest in container-related technologies. When people speak of containers they usually mean process containers. They often view a container as being m …
Performance analysis superpowers with Linux eBPF

Performance analysis superpowers with Linux eBPF

December 14, 2019

Advanced performance observability and debugging has arrived in Linux 4.x, with enhanced BPF (eBPF). Brendan Gregg offers an overview of Linux's new dynamic and static tracing tools for the analysis of filesystems, storage, CPUs, TCP, and more. Join in to explore a new generation of tools and visualizations.
Scheduling containers with Kubernetes: Is it that different than other schedulers?

Scheduling containers with Kubernetes: Is it that different than other schedulers?

December 13, 2019

Kubernetes has emerged as one of the leading container orchestrators. Sebastien Goasguen explores its architecture and compares it with other orchestration/scheduling systems, outlining the similarities and explaining why Kubernetes API primitives make all the difference.
A whirlwind tour of ClojureScript

A whirlwind tour of ClojureScript

December 11, 2019

J. David Eisenberg offers a whirlwind tour of ClojureScript, a functional language that compiles to JavaScript, covering everything from basic syntax, variables, and function definitions to lists, vectors, and the map and reduce functions.
Keynote: Pushing the Limits of Kubernetes with Game of Thrones

Keynote: Pushing the Limits of Kubernetes with Game of Thrones

December 9, 2019

Do you want to know what it is like to run 15,000 pods in production? Are you interested in seeing how Kubernetes stands up to the record-breaking viewership and a login rate that is beyond belief on …
Scaling to 5000+ Unique K8s Deployments, How We Did It [I]

Scaling to 5000+ Unique K8s Deployments, How We Did It [I]

December 7, 2019

Most organizations only need to run a couple deployments of their application in Kubernetes. In these situations, deploying onto Kubernetes clusters is relatively straightforward. What happens when yo …
Rapid, scalable websites with Elixir and Phoenix

Rapid, scalable websites with Elixir and Phoenix

November 21, 2019

Elixir and Phoenix combine the performance and scalability of the Erlang virtual machine with the core concepts behind Ruby on Rails. Marc Sugiyama walks you through creating a website, demonstrating Elixir basics and the principles behind Elixir's scalability and performance.
Virtualizing Hadoop and Spark: Architecture, performance, and best practices (sponsored by VMware)

Virtualizing Hadoop and Spark: Architecture, performance, and best practices (sponsored by VMware)

October 31, 2019

Justin Murray outlines the benefits of virtualizing Hadoop and Spark, covering the main architectural approaches at a technical level and demonstrating how the core Hadoop architecture maps into virtual machines and how those relate to physical servers. You'll gain a set of design approaches and best practices to make your application infrastructure fit well with the virtualization layer.