Chromium Is an Open Source Browser That Shares Code with the Chrome Browser from Google
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Ubuntu Kung Fu
Prepared exclusively for Alison Tyler Download at Boykma.Com What readers are saying about Ubuntu Kung Fu Ubuntu Kung Fu is excellent. The tips are fun and the hope of discov- ering hidden gems makes it a worthwhile task. John Southern Former editor of Linux Magazine I enjoyed Ubuntu Kung Fu and learned some new things. I would rec- ommend this book—nice tips and a lot of fun to be had. Carthik Sharma Creator of the Ubuntu Blog (http://ubuntu.wordpress.com) Wow! There are some great tips here! I have used Ubuntu since April 2005, starting with version 5.04. I found much in this book to inspire me and to teach me, and it answered lingering questions I didn’t know I had. The book is a good resource that I will gladly recommend to both newcomers and veteran users. Matthew Helmke Administrator, Ubuntu Forums Ubuntu Kung Fu is a fantastic compendium of useful, uncommon Ubuntu knowledge. Eric Hewitt Consultant, LiveLogic, LLC Prepared exclusively for Alison Tyler Download at Boykma.Com Ubuntu Kung Fu Tips, Tricks, Hints, and Hacks Keir Thomas The Pragmatic Bookshelf Raleigh, North Carolina Dallas, Texas Prepared exclusively for Alison Tyler Download at Boykma.Com Many of the designations used by manufacturers and sellers to distinguish their prod- ucts are claimed as trademarks. Where those designations appear in this book, and The Pragmatic Programmers, LLC was aware of a trademark claim, the designations have been printed in initial capital letters or in all capitals. The Pragmatic Starter Kit, The Pragmatic Programmer, Pragmatic Programming, Pragmatic Bookshelf and the linking g device are trademarks of The Pragmatic Programmers, LLC. -
Linux on the Road
Linux on the Road Linux with Laptops, Notebooks, PDAs, Mobile Phones and Other Portable Devices Werner Heuser <wehe[AT]tuxmobil.org> Linux Mobile Edition Edition Version 3.22 TuxMobil Berlin Copyright © 2000-2011 Werner Heuser 2011-12-12 Revision History Revision 3.22 2011-12-12 Revised by: wh The address of the opensuse-mobile mailing list has been added, a section power management for graphics cards has been added, a short description of Intel's LinuxPowerTop project has been added, all references to Suspend2 have been changed to TuxOnIce, links to OpenSync and Funambol syncronization packages have been added, some notes about SSDs have been added, many URLs have been checked and some minor improvements have been made. Revision 3.21 2005-11-14 Revised by: wh Some more typos have been fixed. Revision 3.20 2005-11-14 Revised by: wh Some typos have been fixed. Revision 3.19 2005-11-14 Revised by: wh A link to keytouch has been added, minor changes have been made. Revision 3.18 2005-10-10 Revised by: wh Some URLs have been updated, spelling has been corrected, minor changes have been made. Revision 3.17.1 2005-09-28 Revised by: sh A technical and a language review have been performed by Sebastian Henschel. Numerous bugs have been fixed and many URLs have been updated. Revision 3.17 2005-08-28 Revised by: wh Some more tools added to external monitor/projector section, link to Zaurus Development with Damn Small Linux added to cross-compile section, some additions about acoustic management for hard disks added, references to X.org added to X11 sections, link to laptop-mode-tools added, some URLs updated, spelling cleaned, minor changes. -
Google Security Chip H1 a Member of the Titan Family
Google Security Chip H1 A member of the Titan family Chrome OS Use Case [email protected] Block diagram ● ARM SC300 core ● 8kB boot ROM, 64kB SRAM, 512kB Flash ● USB 1.1 slave controller (USB2.0 FS) ● I2C master and slave controllers ● SPI master and slave controllers ● 3 UART channels ● 32 GPIO ports, 28 muxed pins ● 2 Timers ● Reset and power control (RBOX) ● Crypto Engine ● HW Random Number Generator ● RD Detection Flash Memory Layout ● Bootrom not shown ● Flash space split in two halves for redundancy ● Restricted access INFO space ● Header fields control boot flow ● Code is in Chrome OS EC repo*, ○ board files in board/cr50 ○ chip files in chip/g *https://chromium.googlesource.com/chromiumos/platform/ec Image Properties Chip Properties 512 byte space Used as 128 FW Updates INFO Space Bits 128 Bits Bitmap 32 Bit words Board ID 32 Bit words Bitmap Board ID ● Updates over USB or TPM Board ID Board ID ~ Board ID ● Rollback protections Board ID mask Version Board Flags ○ Header versioning scheme Board Flags ○ Flash map bitmap ● Board ID and flags Epoch ● RO public key in ROM Major ● RW public key in RO Minor ● Both ROM and RO allow for Timestamp node locked signatures Major Functions ● Guaranteed Reset ● Battery cutoff ● Closed Case Debugging * ● Verified Boot (TPM Services) ● Support of various security features * https://www.chromium.org/chromium-os/ccd Reset and power ● Guaranteed EC reset and battery cutoff ● EC in RW latch (guaranteed recovery) ● SPI Flash write protection TPM Interface to AP ● I2C or SPI ● Bootstrap options ● TPM -
Google Chrome OS VS Distribuciones GNU/Linux 18
1Google Chrome OS Universidad Católica “Nuestra Señora de la Asunción” Facultad de Ciencias y Tecnología Departamento de Ingeniería Electrónica e Informática TAI 2 Chrome OS Fernando Cardozo [email protected] Mat:51300 Prof: Ing Juan Urraza Asunción – Paraguay 2010 2Google Chrome OS Índice Introducción 4 Un nuevo modelo 5 Kernel 6 Arquitectura del software 6 El sistema en sí y los servicios 7 El navegador y el administrador de ventanas 8 Sistema de archivos 8 Diagrama del proceso de booteo 9 Requerimientos del hardware 10 Seguridad en el Chrome OS 10 Interfaz del usuario 11 Pestaña de aplicaciones 12 Panel 13 Multiples ventanas 14 Como se sincroniza Chrome en la nube 15 Google Cloud Printing 16 Chromoting 17 Chrome OS vs Windows 18 Google Chrome OS VS Distribuciones GNU/Linux 18 Cuestionamientos 19 Cuestionamientos 20 Proyectos similares 21 3Google Chrome OS Proyectos similares 22 Anexo 23 Conclusión 24 Referencias 25 4Google Chrome OS Introducción Google Chrome OS es un proyecto llevado a cabo por la compañía Google para desarrollar un sistema operativo basado en web. A través de su blog oficial, Google anunció el 7 de julio de 2009 que Google Chrome OS será un sistema realizado con base en código abierto (Núcleo Linux) y orientado inicialmente para mini portátiles, estando disponible en el segundo semestre de 2010. Funcionará sobre microprocesadores con tecnología x86 o ARM.. La compañía Google ha declarado que el código fuente del proyecto Google Chrome OS fue liberado a finales de 2009. Aunque el sistema se basa en un kernel Linux, tendrá un gestor de ventanas propio de Google. -
Bringing Windows to the Linux Desktop
BRINGING WINDOWS TO THE LINUX DESKTOP In a perfect world, the operating system that you use wouldn't matter. We're moving towards that with the growing use and availability of Web applications. But the day when the operating system is irrelevant is still awhile off. Right now, though, Windows is the dominant operating system. And there are no Linux versions of the popular and most widely-used applications for Windows -- programs like Microsoft Office and Adobe Photoshop. If you're a Linux user and you need to play nicely with the Windows world, conventional wisdom dictates that you either need a separate desktop computer or laptop computer that's running Windows or a system that dual boots. If you're adventurous, you can install a virtualization tool like VM Ware or Virtual Box. This software recreates Windows on your Linux box. The only problem with those solutions is that they need a lot of hard drive space and CPU. There is another choice: fake it. Faking it What do I mean by faking it? Using software that fools Windows applications into believing that they're actually running on Windows and not on Linux. It does this by creating what's called anapplication layer between the Windows program and Linux. The application layer simulates the Windows environment -- calls to the operating system, DLLs, drivers, and the like. Unlike the other solutions mentioned earlier, using an application layer only adds a bit of extra load to your computer -- a few megabytes of disk space and a couple of megabytes of RAM. -
Chromium OS Audio System
Chromium OS audio CRAS audio server Why another audio server? low end hardware (1 core atom, or Tegra 2) optimize for one user (chrome) dynamic stream re-routing maintainability, code size, security Basic Audio Flow Chromium dbus control Playback/Capture shm CRAS BlueZ ALSA Client Library API int cras_client_create(struct cras_client **client); int cras_client_run_thread(struct cras_client *client); struct cras_stream_params *cras_client_unified_params_create( enum CRAS_STREAM_DIRECTION direction, /* direction - CRAS_STREAM_OUTPUT or CRAS_STREAM_INPUT */ unsigned int block_size, /* block_size - The number of frames per callback(dictates latency). */ enum CRAS_STREAM_TYPE stream_type, /* not currently used */ uint32_t flags, /* not used either. */ void *user_data, /* user_data - Pointer that will be passed to the callback. */ cras_unified_cb_t unified_cb, /* unified_cb - Called for each block size samples */ cras_error_cb_t err_cb, /* err_cb - Called when there is an error with the stream. */ struct cras_audio_format *format); /* format - Specifies bits per sample, num chan, sample rate */ int cras_client_add_stream(struct cras_client *client, cras_stream_id_t *stream_id_out, struct cras_stream_params *config); Server side features Timer Based Wake-ups based on stream level Device Sample Rate Estimation Mixing, DSP, and format conversion Volume level tuning Device synchronization One audio thread Wake up timing Wakes up each stream based on a timer Timer rate set based on block size Adjusted based on estimated device clock Underrun handling -
Linux Networking Cookbook.Pdf
Linux Networking Cookbook ™ Carla Schroder Beijing • Cambridge • Farnham • Köln • Paris • Sebastopol • Taipei • Tokyo Linux Networking Cookbook™ by Carla Schroder Copyright © 2008 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. Online editions are also available for most titles (safari.oreilly.com). For more information, contact our corporate/institutional sales department: (800) 998-9938 or [email protected]. Editor: Mike Loukides Indexer: John Bickelhaupt Production Editor: Sumita Mukherji Cover Designer: Karen Montgomery Copyeditor: Derek Di Matteo Interior Designer: David Futato Proofreader: Sumita Mukherji Illustrator: Jessamyn Read Printing History: November 2007: First Edition. Nutshell Handbook, the Nutshell Handbook logo, and the O’Reilly logo are registered trademarks of O’Reilly Media, Inc. The Cookbook series designations, Linux Networking Cookbook, the image of a female blacksmith, and related trade dress are trademarks of O’Reilly Media, Inc. Java™ is a trademark of Sun Microsystems, Inc. .NET is a registered trademark of Microsoft Corporation. Many of the designations used by manufacturers and sellers to distinguish their products are claimed as trademarks. Where those designations appear in this book, and O’Reilly Media, Inc. was aware of a trademark claim, the designations have been printed in caps or initial caps. While every precaution has been taken in the preparation of this book, the publisher and author assume no responsibility for errors or omissions, or for damages resulting from the use of the information contained herein. -
Cryptographic File Systems Performance: What You Don't Know Can Hurt You Charles P
Cryptographic File Systems Performance: What You Don't Know Can Hurt You Charles P. Wright, Jay Dave, and Erez Zadok Stony Brook University Appears in the proceedings of the 2003 IEEE Security In Storage Workshop (SISW 2003) Abstract interact with disks, caches, and a variety of other com- plex system components — all having a dramatic effect Securing data is more important than ever, yet cryp- on performance. tographic file systems still have not received wide use. In this paper we perform a real world performance One barrier to the adoption of cryptographic file systems comparison between several systems that are used is that the performance impact is assumed to be too high, to secure file systems on laptops, workstations, and but in fact is largely unknown. In this paper we first moderately-sized file servers. We also emphasize multi- survey available cryptographic file systems. Second, programming workloads, which are not often inves- we perform a performance comparison of a representa- tigated. Multi-programmed workloads are becoming tive set of the systems, emphasizing multiprogrammed more important even for single user machines, in which workloads. Third, we discuss interesting and counterin- Windowing systems are often used to run multiple appli- tuitive results. We show the overhead of cryptographic cations concurrently. We expect cryptographic file sys- file systems can be minimal for many real-world work- tems to become a commodity component of future oper- loads, and suggest potential improvements to existing ating systems. systems. We have observed not only general trends with We present results from a variety of benchmarks, an- each of the cryptographic file systems we compared but alyzing the behavior of file systems for metadata op- also anomalies based on complex interactions with the erations, raw I/O operations, and combined with CPU operating system, disks, CPUs, and ciphers. -
2Nd USENIX Conference on Web Application Development (Webapps ’11)
conference proceedings Proceedings of the 2nd USENIX Conference Application on Web Development 2nd USENIX Conference on Web Application Development (WebApps ’11) Portland, OR, USA Portland, OR, USA June 15–16, 2011 Sponsored by June 15–16, 2011 © 2011 by The USENIX Association All Rights Reserved This volume is published as a collective work. Rights to individual papers remain with the author or the author’s employer. Permission is granted for the noncommercial reproduction of the complete work for educational or research purposes. Permission is granted to print, primarily for one person’s exclusive use, a single copy of these Proceedings. USENIX acknowledges all trademarks herein. ISBN 978-931971-86-7 USENIX Association Proceedings of the 2nd USENIX Conference on Web Application Development June 15–16, 2011 Portland, OR, USA Conference Organizers Program Chair Armando Fox, University of California, Berkeley Program Committee Adam Barth, Google Inc. Abdur Chowdhury, Twitter Jon Howell, Microsoft Research Collin Jackson, Carnegie Mellon University Bobby Johnson, Facebook Emre Kıcıman, Microsoft Research Michael E. Maximilien, IBM Research Owen O’Malley, Yahoo! Research John Ousterhout, Stanford University Swami Sivasubramanian, Amazon Web Services Geoffrey M. Voelker, University of California, San Diego Nickolai Zeldovich, Massachusetts Institute of Technology The USENIX Association Staff WebApps ’11: 2nd USENIX Conference on Web Application Development June 15–16, 2011 Portland, OR, USA Message from the Program Chair . v Wednesday, June 15 10:30–Noon GuardRails: A Data-Centric Web Application Security Framework . 1 Jonathan Burket, Patrick Mutchler, Michael Weaver, Muzzammil Zaveri, and David Evans, University of Virginia PHP Aspis: Using Partial Taint Tracking to Protect Against Injection Attacks . -
Crossover Compared to Competing Emulation Solutions
CrossOver Compared to Competing Emulation Solutions CrossOver Compared to Competing Emulation Solutions CrossOver Compared to Competing Emulation Solutions Overview: Whether you’re running a Linux or Mac OS X machine, chances are you need a way to run at least some Windows applications or games that aren’t available on your platform of choice. And you have your choice of potential solutions to this problem. This page illustrates some of the key Every Windows advantages that CrossOver has in relation to the compatibility solution has other compatibility solutions. pros and cons. When presented with the need to run Windows applications on a Mac or Linux machine, you have basically three main choices: Dual-booting: running two separate operating systems on one PC, and switching between them as needed by rebooting. Applications such as Apple’s Bootcamp allow this to occur on a Mac OS X machine, for example. Running a virtual machine: Emulation products such as VMWare and Parallels allow you to install a copy of Windows within a logical partition within your native operating system. The Windows applications essentially run in a separate “box within a box.” Running Wine or CrossOver: Unlike emulation, Wine is a re-implementation of the Win32 API, allowing applications to run as if natively on the target OS. CrossOver is a commercialized version of Wine. Each solution has its advantages and disadvantages. This document is provided to help identify and evaluate key points of comparison between CodeWeavers’ CrossOver products and some of its key competitors. Technology Approach General Approach Dual-booting is exactly what it sounds like—shutting down one operating system, starting another, and dealing with the file transfer issues associated with same. -
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MX-19.2 Users Manual
MX-19.2 Users Manual v. 20200801 manual AT mxlinux DOT org Ctrl-F = Search this Manual Ctrl+Home = Return to top Table of Contents 1 Introduction...................................................................................................................................4 1.1 About MX Linux................................................................................................................4 1.2 About this Manual..............................................................................................................4 1.3 System requirements..........................................................................................................5 1.4 Support and EOL................................................................................................................6 1.5 Bugs, issues and requests...................................................................................................6 1.6 Migration............................................................................................................................7 1.7 Our positions......................................................................................................................8 1.8 Notes for Translators.............................................................................................................8 2 Installation...................................................................................................................................10 2.1 Introduction......................................................................................................................10