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Analyzing Code for KDE/Qt && Other Open Source Software
Analyzing code for KDE/Qt && other open source software http://leetcode.cn/2016/11/analyzing-code-for-kde-qt-open-source-components.html Leslie Zhai 普华——操作系统整合解决方案专家 Senior Software Engineer iSOFT Infrastructure Software co., Ltd; KDE developer KDE-China.org && Leetcode.cn 1 WHY 目录 HOWTO Contents 2 3 REFERENCE Part1 WHY? VULNERABILITIES OPTIMIZATION WHY -VULNERABILITIES 普华——操作系统整合解决方案专家 WHY - OPTIMIZATION 普华——操作系统整合解决方案专家 Identifying potential bottlenecks; Detecting problems in memory management; Detecting problems in C/C++ via static/dynamic analyzer source code analysis tool; Analyzing the CPU usage of embedded applications and Linux desktop applications; Part 2 HOWTO Static Analyzer Sanitizer libFuzzer CFI Safe Stack HOWTO – static analyer for k3b v2.10.0 普华——操作系统整合解决方案专家 HOWTO - static analyzer for k3b v2.10.0 普华——操作系统整合解决方案专家 scan-build -k -v -V cmake .. -DCMAKE_INSTALL_PREFIX=/usr \ -DKDE_INSTALL_LIBDIR=lib \ -DKDE_INSTALL_LIBEXECDIR=lib \ -DKDE_INSTALL_USE_QT_SYS_PATHS=ON \ -DK3B_BUILD_API_DOCS=ON \ -DK3B_ENABLE_PERMISSION_HELPER=ON \ -DK3B_DEBUG=ON scan-build -k -v -V make HOWTO - static analyzer for k3b v2.10.0 普华——操作系统整合解决方案专家 HOWTO - static analyzer for k3b v2.10.0 普华——操作系统整合解决方案专家 HOWTO - static analyzer for k3b v2.10.0 普华——操作系统整合解决方案专家 Q_UNUSED(dialogOpen); HOWTO - static analyzer for k3b v2.10.0 普华——操作系统整合解决方案专家 HOWTO - static analyzer for k3b v2.10.0 普华——操作系统整合解决方案专家 HOWTO - static analyzer for k3b v2.10.0 普华——操作系统整合解决方案专家 http://clang-analyzer.llvm.org/annotations.html#custom_assertions HOWTO - static analyzer for -
Linux Software Für Jeden Zweck Linux Days Dortmund 2017
Linux Software für jeden Zweck Linux Days Dortmund 2017 FOSS-AG Dortmund Vortragender: @draget (Michael Gajda) 25. Juni 2017 1 There’s an App a Package for that! 68829! (2016-12-01) wget http://packages.ubuntu.com/xenial/allpackages?format=txt.gz -q -O - | zcat | tail -n +6 | wc -l 2 Hinweis • Die hier vorgestellte Software ist eine persönliche Auswahl des Vortragenden • Vorschläge oder Fragen gewünscht! 3 GPL, Fuck Yeah! Fast jede hier vorgestellte Software ist: • kostenlos! • quelloffen! • aus Spaß am Entwickeln entstanden! 4 Mit Winows zu Linux WinSCP Dateiaustausch zwischen Windows und Linux • Wer Angst vor der Kommandozeile hat… • Unterstützt SFTP und SCP Praktisch um Dateien von Zuhause mit entfernten Server. URL: https://winscp.net/ 5 Putty Windows SSH • Wer Angst vor GUIs hat… • De facto Standard • Netzwerktunnel Bitte darauf achten den korrekte Installer herunterzuladen. Angriffs-Gefahr! URL: http://www.putty.org/ 6 Produktivität TeXstudio LaTeX Editor • Gute Autovervollständigung • Vorschau für Bilder und Dateien Ubuntu, Mint, etc. > apt install texstudio URL: http://www.texstudio.org/ 7 Brasero Das Gnome Brennprogramm • Benutzerfreundlich • CD/DVD/BR usw. • Integrierter Cover-Editor • Unterstütze Backends: cdrtools, cdrkit, growisofs und libburn. Ubuntu, Mint, etc. > apt install brasero URL: https://wiki.gnome.org/Apps/Brasero 8 K3B Das KDE Brennprogramm • KDE Burn Baby, Burn! • Umfangreicher als Brasero • Viele Funktionen • CD/DVD/BR usw. • Abbild-Verwaltung Ubuntu, Mint, etc. > apt install k3b URL: http://k3b.plainblack.com/ 9 VirtualBox Virtuelle PCs per Knopfdruck • Performante Emulation von kompletten PCs • Software ausprobieren • Betriebssysteme ausprobieren • Viren ausprobieren • Snapshots • Alternativen: qemu + libvirt/virt- manager, VMWare Workstation Ubuntu, Mint, etc. > apt install virtualbox-qt 10 URL: https://www.virtualbox.org/ Marble Virtueller Globus • Nicht hübsch, aber vielfältig • Zugriff auf OSM • Viele weitere Datenquellen • Routing Ubuntu, Mint, etc. -
The Linux Command Line
The Linux Command Line Fifth Internet Edition William Shotts A LinuxCommand.org Book Copyright ©2008-2019, William E. Shotts, Jr. This work is licensed under the Creative Commons Attribution-Noncommercial-No De- rivative Works 3.0 United States License. To view a copy of this license, visit the link above or send a letter to Creative Commons, PO Box 1866, Mountain View, CA 94042. A version of this book is also available in printed form, published by No Starch Press. Copies may be purchased wherever fine books are sold. No Starch Press also offers elec- tronic formats for popular e-readers. They can be reached at: https://www.nostarch.com. Linux® is the registered trademark of Linus Torvalds. All other trademarks belong to their respective owners. This book is part of the LinuxCommand.org project, a site for Linux education and advo- cacy devoted to helping users of legacy operating systems migrate into the future. You may contact the LinuxCommand.org project at http://linuxcommand.org. Release History Version Date Description 19.01A January 28, 2019 Fifth Internet Edition (Corrected TOC) 19.01 January 17, 2019 Fifth Internet Edition. 17.10 October 19, 2017 Fourth Internet Edition. 16.07 July 28, 2016 Third Internet Edition. 13.07 July 6, 2013 Second Internet Edition. 09.12 December 14, 2009 First Internet Edition. Table of Contents Introduction....................................................................................................xvi Why Use the Command Line?......................................................................................xvi -
The Complete Freebsd
The Complete FreeBSD® If you find errors in this book, please report them to Greg Lehey <grog@Free- BSD.org> for inclusion in the errata list. The Complete FreeBSD® Fourth Edition Tenth anniversary version, 24 February 2006 Greg Lehey The Complete FreeBSD® by Greg Lehey <[email protected]> Copyright © 1996, 1997, 1999, 2002, 2003, 2006 by Greg Lehey. This book is licensed under the Creative Commons “Attribution-NonCommercial-ShareAlike 2.5” license. The full text is located at http://creativecommons.org/licenses/by-nc-sa/2.5/legalcode. You are free: • to copy, distribute, display, and perform the work • to make derivative works under the following conditions: • Attribution. You must attribute the work in the manner specified by the author or licensor. • Noncommercial. You may not use this work for commercial purposes. This clause is modified from the original by the provision: You may use this book for commercial purposes if you pay me the sum of USD 20 per copy printed (whether sold or not). You must also agree to allow inspection of printing records and other material necessary to confirm the royalty sums. The purpose of this clause is to make it attractive to negotiate sensible royalties before printing. • 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. • For any reuse or distribution, you must make clear to others the license terms of this work. • Any of these conditions can be waived if you get permission from the copyright holder. Your fair use and other rights are in no way affected by the above. -
A Backup-As-A-Service (Baas) Software Solution
Universidade de Brasília Institute of Exact Sciences Department of Computer Science A Backup-as-a-Service (BaaS) Software Solution Heitor M. de Faria Dissertation presented as partial requirement for conclusion on the Professional Master in Applied Computing Advisor Prof. Dra. Priscila Solis Brasília 2018 Universidade de Brasília Institute of Exact Sciences Department of Computer Science A Backup-as-a-Service (BaaS) Software Solution Heitor M. de Faria Dissertation resented as partial requirement for conclusion do Professional Master in Applied Computing Prof. Dra. Priscila Solis (Advisor) CIC/UnB Prof. Dr. Jacir Bordim Dr. Georges Amvame-Nzê Universidade de Brasília Universidade de Brasília Prof. Dr. Marcelo Ladeira Coordinator of the Post-graduation Program in Applied Computing Brasília, July 1st, 2018 Abstract Backup is a replica of any data that can be used to restore its original form. However, the total amount of digital data created worldwide more than doubles every two years and is expected reach 44 trillions of gigabytes in 2020, bringing constant new challenges to backup processes. Enterprise backup is one of the oldest and most performed tasks by in- frastructure and operations professionals. Still, most backup systems have been designed and optimized for outdated environments and use cases. That fact, generates frustration over currently backup challenges and leads to a greater willingness to modernize and to consider new technologies. Traditional backup and archive solutions are no longer able to meet users current needs. The ideal modern currently backup and recovery software product should not only provide features to attend a traditional data center, but also allow the integration and exploration of the growing Cloud, including “backup client as a service” and “backup storage as a service”. -
Improving Read Performance with BP-Dags for Storage-Efficient File Backup
Send Orders for Reprints to [email protected] 90 The Open Electrical & Electronic Engineering Journal, 2013, 7, 90-97 Open Access Improving Read Performance with BP-DAGs for Storage-Efficient File Backup Tianming Yang*, Jing Zhang and Ningbo Hao International College, Huanghuai University, Henan, 463000, China Abstract: The continued growth of data and high-continuity of application have raised a critical and mounting demand on storage-efficient and high-performance data protection. New technologies, especially the D2D (Disk-to-Disk) de- duplication storage are therefore getting wide attention both in academic and industry in the recent years. Existing de- duplication systems mainly rely on duplicate locality inside the backup workload to achieve high throughput but suffer from read performance degrading under conditions of poor duplicate locality. This paper presents the design and perform- ance evaluation of a D2D-based de-duplication file backup system, which employs caching techniques to improve write throughput while encoding files as graphs called BP-DAGs (Bi-pointer-based Directed Acyclic Graphs). BP-DAGs not only satisfy the 'unique' chunk storing policy of de-duplication, but also help improve file read performance in case of poor duplicate locality workloads. Evaluation results show that the system can achieve comparable read performance than non de-duplication backup systems such as Bacula under representative workloads, and the metadata storage overhead for BP-DAGs are reasonably low. Keywords: Data De-duplication, File Backup, Storage-Efficient, Read Performance. 1. INTRODUCTION schemes are emerging to provide more storage-efficient and high performance data protection for enterprises [9-13]. Data explosion [1] has been forcing backups to expand storage capacity, which makes modern enterprises face sig- In de-duplication, files or streams are divided into chunks nificant cost pressures and data management challenges. -
Nápověda Programu Infra Recorder
Infra Recorder Úvod Vítejte Děkujeme, že jste si nainstalovali Infra Recorder! Infra Recorder je bezplatné řešení pro vypalování CD/DVD pod Microsoft Windows. Rychlá navigace Přehled funkcí Licenční ujednání Systémové požadavky Quick Start Copyright Poděkování Co je nového Instalace Infra Recorder Přehled funkcí Na této stránce naleznete seznam nejpodstatnějších funkcí Infra Recorder. Hlavní funkce Tvorba datových, hudebních a mixed-mode projektů a jejich záznam na kompaktní disky nebo do obrazů. Tvorba a vypalování obrazů disků. Přímé kopírování disků on the fly nebo za pomoci dočasného obrazu disku. Mazání přepisovatelných disků s možností výběru ze čtyř režimů mazání. Import sekcí multisession disků a přidávání dalších sekcí na tyto disky. Uzavírání disků (zápis lead-out pro znemožnění přidávání dalších dat). Vyhledávání mechanik připojených k SCSI/IDE řadičům a detekce funkcí, které tyto mechaniky podporují. Zobrazení detailních informací o vloženém disku. Čtení a ukládání zvukových a datových stop do souborů (wav. a .iso) Vyhledávání chyb. Prostředí Moderní přizpůsobitelné prostředí podobající se Průzkumníkovi Windows. Podpora drag and drop pro přetahování souborů do projektu z interního průzkumníka i Průzkumníka Windows. Rozdílné rozvržení rozhraní podle typu aktivního projektu usnadňující práci s programem. Samostatná express aplikace navržená k rychlému a snadnému navedení uživatele k těm správným nástrojům. Kompletně přeložitelné rozhraní hlavní aplikace, express aplikace a rozšíření průzkumníka. Integrace do Průzkumníka Integrace do Průzkumníka přidává nové položky kontextové nabídky. Zápis uložených projektů a obrazů disků. Otevírání a editace projektů. Přizpůsobitelné, může být zobrazeno jako podnabídka a s nebo bez ikon. Rozšíření může být zaregistrováno pro kteroukoliv příponu souboru. InfraRecorder License Agreement GNU GENERAL PUBLIC LICENSE Version 3, 29 June 2007 Copyright © 2007 Free Software Foundation, Inc. -
Bacula Community API Using Bacula Community Version
Bacula Community API Using Bacula Community Version This document is intended to provide insight into the considera- tions and processes required to design and implement a GUI Inter- face upon Bacula. Bacula Version 1.3, May 14, 2017 Systems Copyright (C) 2008-2017, Bacula Systems S.A. White All rights reserved. Paper Contents 1 Bacula Programming API2 1.1 General...................................2 1.2 Assumptions................................2 1.3 Implementing a GUI Interface......................3 1.3.1 Simple Console Interface....................4 1.3.2 Native Console Interface....................4 1.4 Bacula Commands............................5 1.4.1 Job Management........................6 1.4.2 Volume Management...................... 10 1.4.3 Restore GUI Using Bvfs API.................. 13 1.5 Object Detailed Information....................... 18 1.6 Resource List............................... 18 1.7 JSON Bacula Resource Description................... 20 1.8 Generate Bacula Configuration..................... 21 1.9 Enable Bacula Statistics Management................. 21 1.10 Autochanger Operations......................... 22 1.11 Bacula Catalog.............................. 22 1.11.1 Catalog Schema......................... 22 1.11.2 Common Queries........................ 28 1.12 .api version 2............................... 31 2 Revision History 32 1 / 33 Copyright © May 2017 Bacula Systems SA www.baculasystems.com/contactus................................... All trademarks are the property of their respective owners 1 Bacula Programming API 1.1 General This White Paper will outline the best practices to design custom GUI and Panel for Bacula Community version 9.0.0 or later. The current Bacula interface can be described as a human interface, doing so, interfacing a program with Bacula requires a bit of work. 1.2 Assumptions The following are the assumptions that we have made: • You have a basic understanding of Bacula, Volumes, recycling, and backup strategies. -
Bacula Regression Testing Bacula Community Version
Bacula Regression Testing Bacula Community Version This document is intended to provide insight into the considera- tions and processes required to implement regression testing with the Community Version of Bacula. Bacula Version 1.3, Saturday 15th December, 2018 Systems Copyright (C) 2008-2018, Bacula Systems White All rights reserved. Paper Contents 1 / ?? Copyright © December 2018 Bacula Systems www.baculasystems.com/contactus................................... All trademarks are the property of their respective owners 1 Bacula Regression Testing If you decided to install Bacula from source, and want to be as sure as possible that your self-compiled binaries behave as expected, the regression testing suite included with the source code is the best way to do so. You do not need to be a developer to run the regression scripts. If you installed Bacula from packages, going through the regression tests can be a reasonable way to ensure that everything behaves as expected and can be an important part of the pre-production testing routine. The tests are shell scripts that drive Bacula through bconsole and then typically compare the input and output with diff, so no particular infrastructure beyond what you needed to build Bacula and what is part of a typical Unix / Linux system is required. To get started, we recommend that you create a directory named bacula, under which you will put the current source code and the current set of regression scripts. The directory could have any name you like, though. Note, all the standard regression scripts run as non-root and can be run on the same machine as a production Bacula system. -
Analysis of Outsourcing Data to the Cloud Using Autonomous Key Generation
Scholars' Mine Masters Theses Student Theses and Dissertations Fall 2017 Analysis of outsourcing data to the cloud using autonomous key generation Mortada Abdulwahed Aman Follow this and additional works at: https://scholarsmine.mst.edu/masters_theses Part of the Computer Engineering Commons Department: Recommended Citation Aman, Mortada Abdulwahed, "Analysis of outsourcing data to the cloud using autonomous key generation" (2017). Masters Theses. 7713. https://scholarsmine.mst.edu/masters_theses/7713 This thesis is brought to you by Scholars' Mine, a service of the Missouri S&T Library and Learning Resources. This work is protected by U. S. Copyright Law. Unauthorized use including reproduction for redistribution requires the permission of the copyright holder. For more information, please contact [email protected]. ANALYSIS OF OUTSOURCING DATA TO THE CLOUD USING AUTONOMOUS KEY GENERATION by MORTADA ABDULWAHED AMAN A THESIS Presented to the Graduate Faculty of the MISSOURI UNIVERSITY OF SCIENCE AND TECHNOLOGY In Partial Fulfillment of the Requirements for the Degree MASTER OF SCIENCE in COMPUTER ENGINEERING 2017 Approved by Dr. Egemen K. Çetinkaya, Advisor Dr. Maciej J. Zawodniok Dr. Sanjay K. Madria Copyright 2017 MORTADA ABDULWAHED AMAN All Rights Reserved iii ABSTRACT Cloud computing, a technology that enables users to store and manage their data at a low cost and high availability, has been emerging for the past few decades because of the many services it provides. One of the many services cloud computing provides to its users is data storage. The majority of the users of this service are still concerned to outsource their data due to the integrity and confidentiality issues, as well as performance and cost issues, that come along with it. -
The Linux Command Line
The Linux Command Line Second Internet Edition William E. Shotts, Jr. A LinuxCommand.org Book Copyright ©2008-2013, William E. Shotts, Jr. This work is licensed under the Creative Commons Attribution-Noncommercial-No De- rivative Works 3.0 United States License. To view a copy of this license, visit the link above or send a letter to Creative Commons, 171 Second Street, Suite 300, San Fran- cisco, California, 94105, USA. Linux® is the registered trademark of Linus Torvalds. All other trademarks belong to their respective owners. This book is part of the LinuxCommand.org project, a site for Linux education and advo- cacy devoted to helping users of legacy operating systems migrate into the future. You may contact the LinuxCommand.org project at http://linuxcommand.org. This book is also available in printed form, published by No Starch Press and may be purchased wherever fine books are sold. No Starch Press also offers this book in elec- tronic formats for most popular e-readers: http://nostarch.com/tlcl.htm Release History Version Date Description 13.07 July 6, 2013 Second Internet Edition. 09.12 December 14, 2009 First Internet Edition. 09.11 November 19, 2009 Fourth draft with almost all reviewer feedback incorporated and edited through chapter 37. 09.10 October 3, 2009 Third draft with revised table formatting, partial application of reviewers feedback and edited through chapter 18. 09.08 August 12, 2009 Second draft incorporating the first editing pass. 09.07 July 18, 2009 Completed first draft. Table of Contents Introduction....................................................................................................xvi -
Linux-Cookbook.Pdf
LINUX COOKBOOK ™ Other Linux resources from O’Reilly Related titles Linux Device Drivers Exploring the JDS Linux Linux in a Nutshell Desktop Running Linux Learning Red Hat Enterprise Building Embedded Linux Linux and Fedora Systems Linux Pocket Guide Linux Security Cookbook Understanding the Linux Kernel Linux Books linux.oreilly.com is a complete catalog of O’Reilly’s books on Resource Center Linux and Unix and related technologies, including sample chapters and code examples. ONLamp.com is the premier site for the open source web plat- form: Linux, Apache, MySQL, and either Perl, Python, or PHP. Conferences O’Reilly brings diverse innovators together to nurture the ideas that spark revolutionary industries. We specialize in document- ing the latest tools and systems, translating the innovator’s knowledge into useful skills for those in the trenches. Visit conferences.oreilly.com for our upcoming events. Safari Bookshelf (safari.oreilly.com) is the premier online refer- ence library for programmers and IT professionals. Conduct searches across more than 1,000 books. Subscribers can zero in on answers to time-critical questions in a matter of seconds. Read the books on your Bookshelf from cover to cover or sim- ply flip to the page you need. Try it today with a free trial. LINUX COOKBOOK ™ Carla Schroder Beijing • Cambridge • Farnham • Köln • Paris • Sebastopol • Taipei • Tokyo Linux Cookbook™ by Carla Schroder Copyright © 2005 O’Reilly Media, Inc. All rights reserved. Printed in the United States of America. Published by O’Reilly Media, Inc., 1005 Gravenstein Highway North, Sebastopol, CA 95472. O’Reilly books may be purchased for educational, business, or sales promotional use.