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LinuxCon [clear filter]
Monday, October 5


Secure Server - Davor Guttierrez
Installing and maintaining a secure server on Linux can be a challenge. It requires in-depth knowledge of Linux. Securing a server should begin with hardening the Linux operating system. This presentation will discuss: - a brief introduction to web server - securing Apache web server - limit server functionality - limit access to operating system and its files - disable unnecessary services - monitor log files - Presentation will be oriented to Ubuntu Linux distribution, but talk will discuss how to make the same on other distributions too.

avatar for Davor Guttierrez

Davor Guttierrez

System Administrator, 3 Gen d.o.o.
Davor Guttierrez works as a System Administrator at 3 Gen d.o.o. He has been working with Linux and UNIX for 20 years, most recently on RedHat Enterprise Virtualization and SuSE Linux Enterprise Servers.

Monday October 5, 2015 10:30 - 11:20
Liffey Hall 2


How To Make a Positive Impact In Open Source Without Doing Any Coding - Nithya Ruff, SanDisk
Many people want to make a difference but believe that they need to be a coder or a developer to make a difference in open source projects and communities. However, there are many roles in open source that need someone who supports and believes in collaborative development to create change. I will cover some of these areas and show how you can get involved and make a difference and create an impact. My own personal story is one where I have worked in commercial company creating an open source based product, I have done open source marketing and advocacy for the Yocto project and now am the open source strategy person for my company. These roles have allowed me to move open source understanding and engagement forward in a positive way without coding.

avatar for Nithya Ruff

Nithya Ruff

Board Chair, Linux Foundation
Nithya Ruff is a well-known and well-regarded leader in Open Source. As the Head of Comcast’s Open Source Practice, she is responsible for growing Open Source culture inside of Comcast and engagement with external communities.She is a passionate advocate for opening doors to new... Read More →

Monday October 5, 2015 15:00 - 15:50


Herding Cattle (Or - Service Discovery Done Right) - Michael Hausenblas, Mesosphere
The pets vs cattle meme is the essence of one of the lessons learned by Google from operating container at scale. One implication of it is that service discovery plays a central part in distributed application design. In this talk we will discuss service discovery in the context of Docker container and the audience will learn about components that help realizing it, from HAProxy to Mesos-DNS to Consul. The audience is anyone interested in building distributed systems with container technologies.


Michael Hausenblas

Datacenter Application Architect, Mesosphere
Michael Hausenblas is a Datacenter Application Architect with Mesosphere where he helps developers to build scalable and elastic distributed applications. His background is in large-scale data integration, Hadoop and NoSQL, the Internet of Things, as well as Web applications and he's... Read More →

Monday October 5, 2015 16:00 - 16:50
Wicklow Meeting 3
Tuesday, October 6


dbusoorexx - Bringing the Power of D-Bus to Your Fingertips - Rony Flatscher, WU Vienna
Most Linux systems have the powerful D-Bus (a message bus) on board that allows the kernel and applications to communicate with each other. Knowing about its existence and what D-Bus can be used for will allow anyone to take advantage of it. This presentation will introduce the D-Bus concepts and using the "dubsoorexx" package will take advantage of them. A number of small nutshell examples will demonstrate the communication over the D-Bus and remote-controlling, scripting applications. Using ooRexx (an easy programming language that looks almost like pseudo-code) and the "dbusoorexx" package it becomes plain easy to understand and exploit the D-Bus message bus, including nutshell examples that show how easy it becomes to create D-Bus services, create private D-Bus client-/server applications that can be even exploited easily in a cross-platform manner (Linux, MacOSX and Windows)!


Rony Flatscher

University Professor, WU Vienna
Rony G. Flatscher has been working as an Information System ("Wirtschaftsinformatik") professor at the WU Vienna (with 25,000 business students one of the largest of its kind) where he has been trying to empower the students with IT and IS skills to help them be more productive in... Read More →

Tuesday October 6, 2015 14:00 - 14:50
Liffey Meeting 2


Portable Linux Lab: A Novel Approach to Teaching Programming in Schools - Emma Foley & Laura Reddy, Intel
With STEM and the maker movement becoming an increasingly important focus for the technology industry, it is important that we are encouraging the right skill sets in the next generation of software developers.
We propose a Portable Linux Lab, based on Intel Galileo or Edison boards, as a cheap and easy way of bringing Linux and programming knowledge into the classroom and Coder Dojo. The lab is designed to be a springboard for students to experiment in a Linux environment, which they may otherwise not have access to. This will ensure that educators have adequate resources to operate their classes, unfettered by location or existing infrastructure.

We will present a practical, portable and alternative solution to teaching Linux programming in a Windows-dominated classroom.


Emma Foley

Software Engineer, Intel
Emma is a Software Engineer in the Network Platforms Group in Intel. Emma has worked on Service Assurance, making more statistics available for the OpenStack cloud, by enabling collectd stats and events to be used in OpenStack. She is committer to the OPNFV Barometer project, and... Read More →

Laura Reddy

Software Engineer, Intel
Graduated from NUI Galway with a bachelor's degree in Electronic and Computer Engineering in 2010 and have been working at Intel since then, working on the QAT software. Helping to promote STEM careers to 2nd year secondary school girls by participating in the GIFT-ed program... Read More →

Tuesday October 6, 2015 14:00 - 14:50


Tuning for Power Management on Linux: The Art of Doing Nothing! - Alexandrea Yates, Intel
Idle is the most important workload of a client system. Modern client platforms are heavily optimized for low power. In this talk, Alexandra will explore how the platform can support idle workloads, and how Linux supports these platform features.

Additionally, Alexandra will demonstrate a practical example on how to tune the power management features of a laptop to minimize overall power consumption while idle. She will use various tools and analysis techniques including PowerTOP & Turbostat. Upon completion of the talk, the audience should have a general understand of Linux idle power management, as well as the steps needed to properly configure an out of the box Linux distribution to take advantage of the power features available on the latest Intel platforms.


Alexandra Yates

Software Engineer, Intel
Alexandra is a Software Engineer who works at Intel’s Open Source Technology Center (OTC) on the Linux Core Enabling Team, Alex focuses on enabling Linux and tools such as PowerTOP to work on Intel Architecture

Tuesday October 6, 2015 15:00 - 15:50
Liffey Hall 1
Wednesday, October 7


Statistical Performance Analysis with Performance Co-Pilot and R - Paul Evans, Red Hat
Performance tuning is always an important aspect of setting up a workload and it is equally important when testing code for example filesystem feature updates. Paul Evans has been working on interfacing Performance Co-pilot with R as a way to collect live metric data which can then be looked at statistically along with visually to gain a better understanding of how workloads are performing both when running tasks and under testing.

Performance Co-Pilot (PCP) is a system performance and analysis framework which has had an uptake in popularity recently as the base of Vector, Netflix's on-host performance monitoring tool.

Paul will look at a selection of performance recorded demo runs using PCP along with R to statistically interpret the results of the data to help the audience members visualise the performance the workloads.


Paul Evans

Red Hat
Paul Evans is a software engineer working at Red Hat as part of the GFS2 filesystem team, currently working on investigating the use of Performance Co-Pilot (PCP) for performance monitoring and statistical analysis as a way to improve the ease of use for troubleshooting and tuning... Read More →

Wednesday October 7, 2015 10:30 - 11:20
Wicklow Meeting 3


ACPI on ARM64: Challenges Ahead - Sudeep Holla, ARM
ACPI support on ARM64 is merged for v4.1 release and it's just the beginning of the journey. ACPI is a very complex specification and supporting it on ARM requires discipline in many areas. One such area is the ACPI development itself which so far is mostly x86 driven and more aligned to it. There are few areas in the current ACPI support in Linux that can be improved to make it more architecture agnostic. Another area is the firmware development supporting ACPI especially by ARM vendors for whom this is completely new area. Getting those firmware well tested is the main challenge. Given the growing interest in ACPI in ARM ecosystem, steps need to be taken to enforce standardization. This talk highlights these topics by providing a detailed overview of ACPI support on ARM64 with code examples used as a starting point to present the current solution and possible extensions.

avatar for Sudeep Holla

Sudeep Holla

Linux Kernel Developer, ARM Ltd
I work on Linux kernel’s power management code, cpuidle, cpufreq, and the ACPI subsystem. I work at ARM Ltd, Cambridge as a Software Engineer mainly focusing on power management in Linux kernel and platform/power interfaces. I am have been contributing to the Linux kernel since... Read More →

Wednesday October 7, 2015 11:30 - 12:20
Liffey Hall 2


gnuplot - A picture Says a Thousand Numbers - Harald König
gnuplot is indispensable in my UNIX Toolbox for way more than a decade.

gnuplot can do much more than just (nicely) display mathematical functions. Whenever one encounters some numbers that belong together in some way (whether statistics or timing data (e.g from strace;), gas prices, weather data, perhaps even lottery numbers) - a graph shows relationships and developments. And creating these diagrams is super easy with just a few intuitive commands.

The presentation will show various examples, of how to convert numbers in informative and scalable graphics, and how to evaluate data with gnuplot and generate curve fits to equalising functions in seconds.

avatar for Harald König

Harald König

System Expert, Bosch Sensortec GmbH
I studied physics and started with Linux (kernel 0.98.4) in 1992 (UNIX since 1987), XFree86 (S3 cards) since 1993, using and working on (La)TeX since 1987 and co-founded the german TeX users group DANTE e.V. I've given talks on several german FOSS/Linux conferences, and some project... Read More →

Wednesday October 7, 2015 15:00 - 16:50
Wicklow Hall 1