Additional License Authorizations for HPE Synergy Composer and HPE Image Streamer
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Porting a Window Manager from Xlib to XCB
Porting a Window Manager from Xlib to XCB Arnaud Fontaine (08090091) 16 May 2008 Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version pub- lished by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License". Contents List of figures i List of listings ii Introduction 1 1 Backgrounds and Motivations 2 2 X Window System (X11) 6 2.1 Introduction . .6 2.2 History . .6 2.3 X Window Protocol . .7 2.3.1 Introduction . .7 2.3.2 Protocol overview . .8 2.3.3 Identifiers of resources . 10 2.3.4 Atoms . 10 2.3.5 Windows . 12 2.3.6 Pixmaps . 14 2.3.7 Events . 14 2.3.8 Keyboard and pointer . 15 2.3.9 Extensions . 17 2.4 X protocol client libraries . 18 2.4.1 Xlib . 18 2.4.1.1 Introduction . 18 2.4.1.2 Data types and functions . 18 2.4.1.3 Pros . 19 2.4.1.4 Cons . 19 2.4.1.5 Example . 20 2.4.2 XCB . 20 2.4.2.1 Introduction . 20 2.4.2.2 Data types and functions . 21 2.4.2.3 xcb-util library . 22 2.4.2.4 Pros . 22 2.4.2.5 Cons . 23 2.4.2.6 Example . 23 2.4.3 Xlib/XCB round-trip performance comparison . -
X Meets Z: Verifying Correctness in the Presence of POSIX Threads
X Meets Z: Verifying Correctness In The Presence Of POSIX Threads Bart Massey Robert Bauer Computer Science Department Rational Software Corporation Portland State University 1920 Amberglen Pkwy, Suite 200 Portland, Oregon USA 97207–0751 Beaverton, Oregon USA 97006 [email protected] [email protected] Abstract and guide the development of resulting code. While this approach is not a panacea, it typically does dramatically The engineering of freely-available UNIX software nor- reduce the likelihood of defects and increase confidence mally utilizes an informal analysis and design process in the developed system. A more surprising finding of coupled with extensive user testing. While this approach most of these case studies, confirmed by the authors’ ex- is often appropriate, there are situations for which it pro- perience in teaching formal methods to industrial prac- duces less-than-stellar results. titioners, is that Z-like lightweight formal methods are quite accessible to reasonably experienced software en- A case study is given of such a situation that arose dur- gineers. In fact, in many studies, the savings in time and ing the design and implementation of a thread-safe li- effort due to reduced defect rates has exceeded the extra brary for interaction with the X Window System. XCB cost of judiciously-applied formal analysis. is a C binding library for the X protocol designed to work transparently with either single-threaded or multi- Thus, using the Z notation to construct a lightweight threaded clients. Managing XCB client thread access to problem model can enable the construction of an algo- the X server while honoring the constraints of both XCB rithm for controlling client thread access to the server and the X server is thus a delicate matter. -
CSA ガイダンス Version 4.0 を用いた クラウドセキュリティリファレンス (OSS マッピング 2019)
CSA ガイダンス version 4.0 を用いた クラウドセキュリティリファレンス (OSS マッピング 2019) 一般社団法人 日本クラウドセキュリティアライアンス(CSA ジャパン) クラウドセキュリティワーキンググループ Copyright © 2019 Cloud Security Alliance Japan Chapter 目次 1. はじめに ................................................................................................................................................ 4 2. 検討指針 ................................................................................................................................................ 5 3. DOMAIN6 管理画面と事業継続 ............................................................................................................... 6 4. DOMAIN7 インフラストラクチャ・セキュリティ ................................................................................ 10 5. DOMAIN8 仮想化とコンテナ技術 ......................................................................................................... 18 6. DOMAIN10 アプリケーションセキュリティ ......................................................................................... 22 7. DOMAIN11 データセキュリティと暗号化 ............................................................................................ 30 8. DOMAIN12 アイデンティティ管理、権限付与管理、アクセス管理 (IAM) ......................................... 35 9. 参考 URL ............................................................................................................................................... 39 Copyright © 2019 Cloud Security Alliance Japan Chapter 2 l 本書執筆編集メンバー 氏名 所属 井上 淳 NTT テクノクロス株式会社 釜山 公徳 日本電気株式会社 福田 貢士 (個人会員) 森田 翔 (個人会員) ※五十音順 l 変更履歴 日付 版数 変更内容 2019 年 2 月 26 日 1.0 初版発行 l 著作権についての留意事項 本書の著作権は、CSA -
The Business of Free Software: Enterprise Incentives, Investment, and Motivation in the Open Source Community
07-028 The Business of Free Software: Enterprise Incentives, Investment, and Motivation in the Open Source Community Dr. Marco Iansiti, Ph.D. Gregory L. Richards Marco Iansiti David Sarnoff Professor of Business Administration Harvard Business School Gregory L. Richards Managing Director Keystone Strategy, Inc. Copyright © 2006 by Dr. Marco Iansiti, Ph.D. and Gregory L. Richards Working papers are in draft form. This working paper is distributed for purposes of comment and discussion only. It may not be reproduced without permission of the copyright holder. Copies of working papers are available from the author. Harvard Business School Working Paper Series, No. 07-028, 2006 _______________________________________ The Business of Free Software: Enterprise Incentives, Investment, and Motivation in the Open Source Community _______________________________________ Marco Iansiti, David Sarnoff Professor of Business Administration, Harvard Business School Gregory L. Richards, Managing Director, Keystone Strategy, Inc. Boston, MA 02163, USA October 9, 2006 PRELIMINARY DRAFT – COMMENTS WELCOME ACKNOWLEDGEMENTS: We are grateful to Geoff Allan, Lester Chen, Mark McCormick, Boris Perlin, Alan MacCormack, and Karim Lakhani, who provided many valuable inputs and suggestions. 2 ABSTRACT In this paper, we examine the motivations of large information technology (“IT”) vendors, to invest in open source software (“OSS”). What drives companies with large, proprietary software portfolios to invest hundreds of millions of dollars in OSS? We approach this question by grouping a sample of OSS projects into clusters and examining vendors’ motivations for each cluster. We find one cluster has received almost no investment. Contributions to projects in this cluster are confined to the voluntary effort of the vendors’ employees, and vendors are likely altruistically motivated. -
Essnet SCFE DELIVERABLE D5-4 Guidelines and Recommendations for Development of Training Materials and for Open Source Solutions and Projects
ESSnet SCFE DELIVERABLE D5-4 Guidelines and recommendations for development of training materials and for open source solutions and projects Project acronym: SCFE Project title: “Sharing common functionalities in the ESS” Name(s), title(s) and organization or the auhor(s): Joaquim Machado, Dr. ([email protected]) José Carlos Martins, Eng. ([email protected]) Instituto Nacional de Estatítica Tel: +351 218 426 100 Fax: +351 218 454 083 e-mail: [email protected] This document is licensed under a Creative Commons License: Date: 29 Dec. 2017 Attribution-ShareAlike 4.0 International Table of Contents Introduction.............................................................................................................................1 Guidelines and recommendations.........................................................................................2 Open source solutions and projects.............................................................................2 What is Open Source?........................................................................................2 Why Open Source is good for business..............................................................6 How to make an Open Source Project..............................................................10 Development of training materials..............................................................................18 Sharing and re-using training materials............................................................18 Creating training materials................................................................................18 -
Uporaba Odprte Kode Kot Osnova Za Razvoj Programske Opreme
Univerza v Ljubljani Fakulteta za računalništvo in informatiko Univerzitetni študij Diplomska naloga Uporaba odprte kode kot osnova za razvoj programske opreme Peter Primožič Mentor: prof. dr. Franc Solina, univ. dipl. ing. Ljubljana, februar 2005 Kazalo POVZETEK .............................................................................................................................VI 1 UVOD ................................................................................................................................ 1 2 FENOMEN ODPRTE KODE............................................................................................ 3 2.1 Zgodovina odprte kode............................................................................................... 3 2.1.1 GNU projekt....................................................................................................... 3 2.1.2 Linux .................................................................................................................. 5 2.1.3 Današnji čas........................................................................................................ 6 2.2 Definicija prostega programja in odprte kode............................................................ 7 2.2.1 Prosto programje ................................................................................................ 7 2.2.2 Odprta koda........................................................................................................ 9 2.3 Licenčni modeli prostega programja....................................................................... -
Proceedings of the FREENIX Track: 2002 USENIX Annual Technical Conference
USENIX Association Proceedings of the FREENIX Track: 2002 USENIX Annual Technical Conference Monterey, California, USA June 10-15, 2002 THE ADVANCED COMPUTING SYSTEMS ASSOCIATION © 2002 by The USENIX Association All Rights Reserved For more information about the USENIX Association: Phone: 1 510 528 8649 FAX: 1 510 548 5738 Email: [email protected] WWW: http://www.usenix.org Rights to individual papers remain with the author or the author's employer. Permission is granted for noncommercial reproduction of the work for educational or research purposes. This copyright notice must be included in the reproduced paper. USENIX acknowledges all trademarks herein. XCL : An Xlib Compatibility Layer For XCB Jamey Sharp Bart Massey Computer Science Department Portland State University Portland, Oregon USA 97207–0751 fjamey,[email protected] Abstract 1 The X Window System The X Window System [SG86] is the de facto standard technology for UNIX applications wishing to provide a graphical user interface. The power and success of the X model is due in no small measure to its separation of The X Window System has provided the standard graph- hardware control from application logic with a stable, ical user interface for UNIX systems for more than 15 published client-server network protocol. In this model, years. One result is a large installed base of X applica- the hardware controller is considered the server, and in- tions written in C and C++. In almost all cases, these dividual applications and other components of a com- programs rely on the Xlib library to manage their inter- plete desktop environment are clients. -
Snapshots of Open Source Project Management Software
International Journal of Economics, Commerce and Management United Kingdom ISSN 2348 0386 Vol. VIII, Issue 10, Oct 2020 http://ijecm.co.uk/ SNAPSHOTS OF OPEN SOURCE PROJECT MANAGEMENT SOFTWARE Balaji Janamanchi Associate Professor of Management Division of International Business and Technology Studies A.R. Sanchez Jr. School of Business, Texas A & M International University Laredo, Texas, United States of America [email protected] Abstract This study attempts to present snapshots of the features and usefulness of Open Source Software (OSS) for Project Management (PM). The objectives include understanding the PM- specific features such as budgeting project planning, project tracking, time tracking, collaboration, task management, resource management or portfolio management, file sharing and reporting, as well as OSS features viz., license type, programming language, OS version available, review and rating in impacting the number of downloads, and other such usage metrics. This study seeks to understand the availability and accessibility of Open Source Project Management software on the well-known large repository of open source software resources, viz., SourceForge. Limiting the search to “Project Management” as the key words, data for the top fifty OS applications ranked by the downloads is obtained and analyzed. Useful classification is developed to assist all stakeholders to understand the state of open source project management (OSPM) software on the SourceForge forum. Some updates in the ranking and popularity of software since -
Upgrading and Performance Analysis of Thin Clients in Server Based Scientific Computing
Institutionen för Systemteknik Department of Electrical Engineering Examensarbete Upgrading and Performance Analysis of Thin Clients in Server Based Scientific Computing Master Thesis in ISY Communication System By Rizwan Azhar LiTH-ISY-EX - - 11/4388 - - SE Linköping 2011 Department of Electrical Engineering Linköpings Tekniska Högskola Linköpings universitet Linköpings universitet SE-581 83 Linköping, Sweden 581 83 Linköping, Sweden Upgrading and Performance Analysis of Thin Clients in Server Based Scientific Computing Master Thesis in ISY Communication System at Linköping Institute of Technology By Rizwan Azhar LiTH-ISY-EX - - 11/4388 - - SE Examiner: Dr. Lasse Alfredsson Advisor: Dr. Alexandr Malusek Supervisor: Dr. Peter Lundberg Presentation Date Department and Division 04-02-2011 Department of Electrical Engineering Publishing Date (Electronic version) Language Type of Publication ISBN (Licentiate thesis) X English Licentiate thesis ISRN: Other (specify below) X Degree thesis LiTH-ISY-EX - - 11/4388 - - SE Thesis C-level Thesis D-level Title of series (Licentiate thesis) 55 Report Number of Pages Other (specify below) Series number/ISSN (Licentiate thesis) URL, Electronic Version http://www.ep.liu.se Publication Title Upgrading and Performance Analysis of Thin Clients in Server Based Scientific Computing Author Rizwan Azhar Abstract Server Based Computing (SBC) technology allows applications to be deployed, managed, supported and executed on the server and not on the client; only the screen information is transmitted between the server and client. This architecture solves many fundamental problems with application deployment, technical support, data storage, hardware and software upgrades. This thesis is targeted at upgrading and evaluating performance of thin clients in scientific Server Based Computing (SBC). Performance of Linux based SBC was assessed via methods of both quantitative and qualitative research. -
Spack a flexible Package Manager for HPC
Spack A flexible package manager for HPC Overview & Introduc0on to Basic Spack Concepts Todd Gamblin Center for Applied Scien0fic Compu0ng LLNL-PRES-806064 This work was performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory github.com/LLNL/spack under contract DE-AC52-07NA27344. Lawrence Livermore National Security, LLC Spack is a flexible package manager for HPC § How to install Spack: $ git clone https://github.com/scalability-llnl/spack.git § How to install a package: $ cd spack/bin $ ./spack install hdf5 § HDF5 and its dependencies are installed Get Spack! within the Spack directory. hp://github.com/LLNL/spack § No addi0onal setup required! 2 LLNL-PRES-806064 github.com/LLNL/spack What is the proDucon environment for HPC? § Someone’s home directory? § LLNL? LANL? Sandia? ANL? LBL? TACC? — Environments at large-scale sites are very different. § Which MPI implementaon? § Which compiler? § Which dependencies? § Which versions of dependencies? — Many applicaons require specific dependency versions. Real answer: there isn’t a single production environment or a standard way to build. 3 LLNL-PRES-806064 github.com/LLNL/spack HPC soware is becoming increasingly complex § Not much standardizaon in HPC — every machine/applicaon has a different so[ware stack § Sites share unique hardware among teams with very different requirements — Users want to experiment with many exo0c architectures, compilers, MPI versions — All of this is necessary to get the best performance § Example environment for some LLNL codes: 48 third party packages x 3 MPI versions x 3-ish Platforms mvapich mvapich2 OpenMPI Linux BlueGene Cray Up to 7 compilers Oh, and 2-3 versions of x Intel GCC XLC Clang x each package = ~7,500 combinations PGI Cray Pathscale We want an easy way to quickly sample the space, to build configurations on demand! 4 LLNL-PRES-806064 github.com/LLNL/spack Most exisEng tools Do not support combinatorial versioning § Tradi0onal binary package managers — RPM, yum, APT, yast, etc. -
Migrating from Qt 4 to Qt 5
Migrating from Qt 4 to Qt 5 Nils Christian Roscher-Nielsen Product Manager, The Qt Company David Faure Managing Director and migration expert, KDAB France 2 © 2015 Moving to Qt 5 Motivation • New user interface requirements • Embedded devices • New technologies available • 7 years of Qt 4 • Time to fix many smaller and larger issues with a new major release 3 © 2015 QML / Qt Quick Age of the new User Interfaces • New industry standards • More devices than ever • 60 frames per seconds • Multi modal interaction • Enter the SceneGraph • Powerful QML User Interfaces • Full utilization of OpenGL hardware • Full control of your User Interface on all devices 4 © 2015 Embedded Devices Qt powers the world • Qt Platform Abstraction • Enables easy porting to any platform or operating system • Modular architecture • Easier to tailor for embedded HW • Boot to Qt • Premade embedded Linux based stack for device creation • Device deployment • Greatly improved tooling • On device debugging and profiling 5 © 2015 Wide Platform support • Seamless experiences across all major platforms • Windows, Mac, Linux • Windows Phone, iOS and Android • Jolla, Tizen, Ubuntu Touch, BB10, and more • VxWorks and QNX • High DPI Support • Dynamic GL switching • Simplified deployment process • Charts and 3D Visualization • Location and positioning 6 © 2015 Increased speed of development For your own applications and for Qt itself • Qt Creator 3 • Stable Plugin API • Qt Quick Designer • QML Profiler • Modularization • More stable and reliable Qt code base • Faster module development • Easier to create and maintain new modules • Qt Open Governance model 7 © 2015 Qt UI Offering – Choose the Best of All Worlds Qt Quick Qt Widgets Web / Hybrid C++ on the back, declarative UI Customizable C++ UI controls for Use HTML5 for dynamic web design (QML) in the front for traditional desktop look-and-feel. -
Yocto Project Qtday 2019
Run Qt on Linux embedded systems using Yocto Marco Cavallini, KOAN [ License : CC BY-SA 4.0 ] 1 KOAN - Kernel, drivers and embedded Linux development, consulting, training and support http://KoanSoftware.com Rights to copy © Copyright 2019, Marco Cavallini - KOAN sas - m.cavallini <AT> koansoftware.com ftp://ftp.koansoftware.com/public/talks/QtDay-2019/QtDay2019-Koan.pdf Attribution – ShareAlike 4.0 You are free to copy, distribute, display, and perform the work to make derivative works to make commercial use of the work Under the following conditions Attribution. You must give the original author credit. Share Alike. If you alter, transform, or build upon this work, you may distribute the resulting work only under a license identical to this one. License text: https://creativecommons.org/licenses/by-sa/4.0/legalcode 2 KOAN - Kernel, drivers and embedded Linux development, consulting, training and support http://KoanSoftware.com Abstract This talk will give you all the information to run Qt applications on a real Linux embedded system using Yocto Project. Will be discussed how to prepare the target system with all the needed Qt5 libraries, setup the ARM cross-compiler and finally run your beautiful Qt application on it. The purpose of this talk is to show how to use Qt5 with Yocto Project on a real embedded hardware like Raspberry PI3 or similar like iMX6. 3 KOAN - Kernel, drivers and embedded Linux development, consulting, training and support http://KoanSoftware.com Agenda ➢What is an embedded system ➢Differences between a normal distro