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Enchant 1300
ENCHANT 1300 Quick Start Guide For more information, please visit harmankardon.com / 1. WHAT’S IN THE BOX Soundbar Remote Control VOL Power Cables* HDMI Cable AUX cable Optical Cable (4ft, 1200mm) (4ft, 1200mm) (4ft, 1200mm) (4ft, 1200mm) Wall-Mount Brackets Product Information & Wall-mounted guide * Power cable quantities vary by region / 2. PLACE YOUR SOUNDBAR 2a. Place the soundbar on the table TV 2B. Wall mount the soundbar Use tape to stick the wall-mounted paper guide on the wall, push a pen tip through the center to mark the wall-mounted bracket location and remove the paper. 1 TV WALLMOUNTED PAPER GUIDE Using the appropriate anchors, screw the wall mount brackets on the pen mark; Fix the screws at the back of soundbar; then hook the soundbar on the wall. 3 2 x3 4 TV / 3. CONNECT YOUR SOUNDBAR 3a. Connect to your TV Option 1 (Best): HDMI TV HDMI OUT HDMI (ARC) (TV ARC) Option 2: OPTICAL TV OPTICAL OUT OPTICAL IN 3b. Connect to other devices HDMI 1 HDMI 2 HDMI 3 HDMI OUT / 4. POWER YOUR SYSTEM 1 2 3 After the power cord is plugged in, the soundbar will take about 30 seconds to start up and then will enter standby mode, ready to use. / 5. CONNECT TO WI-FI 1 2 3 HK ENCHANT 1300 Once the soundbar connects to the internet for the first time, it may detect a software update to improve performance. This update may take a few minutes to complete. / 6. CONTROL YOUR SOUNDBAR 6a. Top Panel Volume Volume Power Down Up Source Display 6b. -
Mdns/Dns-Sd Tutorial
MDNS/DNS-SD TUTORIAL In this tutorial, we will describe how to use mDNS/DNS-SD on Raspberry Pi. mDNS/DNS-SD is a protocol for service discovery in a local area network. It is standardized under RFCs 6762 [1] and 6763[2]. The protocol is also known by the Bonjour trademark by Apple, or Zeroconf. On Linux, it is implemented in the avahi package. [1] http://tools.ietf.org/html/rfc6762 [2] http://tools.ietf.org/html/rfc6763 About mDNS/DNS-SD There are several freely available implementations of mDNS/DNS-SD: 1. avahi – Linux implementation (http://www.avahi.org/) 2. jmDNS – Java implementation (http://jmdns.sourceforge.net/) 3. Bonjour – MAC OS (installed by default) 4. Bonjour – Windows (https://support.apple.com/kb/DL999?locale=en_US) During this course, we will use only avahi. However, any of the aforementioned implementations are compatible. Avahi installation avahi is available as a package for Raspbian. Install it with: sudo apt-get install avahi-deamon avahi-utils Avahi usage avahi-daemon is the main process that takes care of proper operation of the protocol. It takes care of any configuration of the interfaces and network messaging. A user can control the deamon with command line utilities, or via D-Bus. In this document, we will describe the former option. For the latter one, please see http://www.avahi.org/wiki/Bindings. Publishing services avahi-publish-service is the command for publishing services. The syntax is: avahi-publish-service SERVICE-NAME _APPLICATION- PROTOCOL._TRANPOSRT-PROTOCOL PORT “DESCRIPTION” --sub SUBPROTOCOL For instance, the command: avahi-publish-service light _coap._udp 5683 “/mylight” --sub _floor1._sub._coap._udp will publish a service named ‘light’, which uses the CoAP protocol over UDP on port 5683. -
MANNING Greenwich (74° W
Object Oriented Perl Object Oriented Perl DAMIAN CONWAY MANNING Greenwich (74° w. long.) For electronic browsing and ordering of this and other Manning books, visit http://www.manning.com. The publisher offers discounts on this book when ordered in quantity. For more information, please contact: Special Sales Department Manning Publications Co. 32 Lafayette Place Fax: (203) 661-9018 Greenwich, CT 06830 email: [email protected] ©2000 by Manning Publications Co. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by means electronic, mechanical, photocopying, or otherwise, without prior written permission of the publisher. Many of the designations used by manufacturers and sellers to distinguish their products are claimed as trademarks. Where those designations appear in the book, and Manning Publications was aware of a trademark claim, the designations have been printed in initial caps or all caps. Recognizing the importance of preserving what has been written, it is Manning’s policy to have the books we publish printed on acid-free paper, and we exert our best efforts to that end. Library of Congress Cataloging-in-Publication Data Conway, Damian, 1964- Object oriented Perl / Damian Conway. p. cm. includes bibliographical references. ISBN 1-884777-79-1 (alk. paper) 1. Object-oriented programming (Computer science) 2. Perl (Computer program language) I. Title. QA76.64.C639 1999 005.13'3--dc21 99-27793 CIP Manning Publications Co. Copyeditor: Adrianne Harun 32 Lafayette -
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 . -
State of Linux Audio in 2009 Linux Plumbers Conference 2009
State of Linux Audio in 2009 Linux Plumbers Conference 2009 Lennart Poettering [email protected] September 2009 Lennart Poettering State of Linux Audio in 2009 Who Am I? Software Engineer at Red Hat, Inc. Developer of PulseAudio, Avahi and a few other Free Software projects http://0pointer.de/lennart/ [email protected] IRC: mezcalero Lennart Poettering State of Linux Audio in 2009 Perspective Lennart Poettering State of Linux Audio in 2009 So, what happened since last LPC? Lennart Poettering State of Linux Audio in 2009 RIP: EsounD is officially gone. Lennart Poettering State of Linux Audio in 2009 (at least on Fedora) RIP: OSS is officially gone. Lennart Poettering State of Linux Audio in 2009 RIP: OSS is officially gone. (at least on Fedora) Lennart Poettering State of Linux Audio in 2009 Audio API Guide http://0pointer.de/blog/projects/guide-to-sound-apis Lennart Poettering State of Linux Audio in 2009 We also make use of high-resolution timers on the desktop by default. We now use realtime scheduling on the desktop by default. Lennart Poettering State of Linux Audio in 2009 We now use realtime scheduling on the desktop by default. We also make use of high-resolution timers on the desktop by default. Lennart Poettering State of Linux Audio in 2009 2s Buffers Lennart Poettering State of Linux Audio in 2009 Mixer abstraction? Due to user-friendliness, i18n, meta data (icons, ...) We moved a couple of things into the audio server: Timer-based audio scheduling; mixing; flat volume/volume range and granularity extension; integration of volume sliders; mixer abstraction; monitoring Lennart Poettering State of Linux Audio in 2009 We moved a couple of things into the audio server: Timer-based audio scheduling; mixing; flat volume/volume range and granularity extension; integration of volume sliders; mixer abstraction; monitoring Mixer abstraction? Due to user-friendliness, i18n, meta data (icons, ...) Lennart Poettering State of Linux Audio in 2009 udev integration: meta data, by-path/by-id/.. -
Code Structure by Miklos Vajna Senior Software Engineer at Collabora Productivity 2017-10-11
LibreOffice: Code Structure By Miklos Vajna Senior Software Engineer at Collabora Productivity 2017-10-11 @CollaboraOffice www.CollaboraOffice.com About Miklos ● From Hungary ● More blurb: http://vmiklos.hu/ ● Google Summer of Code 2010/2011 ● Rewrite of the Writer RTF import/export ● Writer developer since 2012 ● Contractor at Collabora since 2013 LibreOffice Conference 2017, Rome | Miklos Vajna 2 / 30 Thanks ● This is an updated version of Michael Meeks’ talk from last year LibreOffice Conference 2017, Rome | Miklos Vajna 3 / 30 Overview ● Code-base overview ● Internal core modules, internal leaf ● Ignoring externals ● Building / packaging: gnumake, scp2 ● Code organisation, git bits ● Keep in mind: this is a 20 years old code-base ● The quality is much better than you would expect after knowing its age ● Things continue to improve over time LibreOffice Conference 2017, Rome | Miklos Vajna 4 / 30 Module overview lowest level Internal non-leaf modules: UNO modules ● Module = toplevel dir ● make dumps-deps-png ● Each module has a README ● e.g. sal/README ● sal: at the bottom ● The system abstraction layer ● tools is an obsolete internal (more or less) duplication of this ● salhelper: wrapper code around sal, also part of the URE LibreOffice Conference 2017, Rome | Miklos Vajna 6 / 30 What is the Uno Runtime Environment (URE)? ● We’ll come to UNO in detail a bit later, but for now: ● Uno Runtime Environment ● See also JRE, Java Runtime Env. ● Belongs to the idea that UNO would be reused somewhere else ● Provides an API/ABI-stable abstraction layer for the suite URE ● Allows writing C++ extensions ● Modify carefully: ● Should not change the ABI ● ABI control via C .map files LibreOffice Conference 2017, Rome | Miklos Vajna 7 / 30 UNO modules ● store: legacy .rdb format ● registry: UNO type regisistry ● unoidl: a .idl file compiler ● cppu: C++ UNO ● Implements basic UNO types and infrastructure for C++, e.g. -
UEFI PXE and Ipxe Alternative Approaches to PXE Booting
Installing ESXi Using PXE n gPXELINUX is a hybrid configuration that includes both PXELINUX and gPXE and supports booting from a Web server. gPXELINUX is part of the SYSLINUX package. If you use gPXELINUX to boot the ESXi installer, only the gpxelinux.0 binary file, mboot.c32, and the configuration file are transferred via TFTP. The remaining files are transferred via HTTP. HTTP is typically faster and more reliable than TFTP, especially for transferring large amounts of data on a heavily loaded network. NOTE VMware currently builds the mboot.c32 plugin to work with SYSLINUX version 3.86 and tests PXE booting only with that version. Other versions are likely to be incompatible. This is not a statement of limited support. For support of third-party agents that you use to set up your PXE booting infrastructure, contact the vendor. UEFI PXE and iPXE Most UEFI firmware natively includes PXE support that allows booting from a TFTP server. The firmware can directly load the ESXi boot loader for UEFI systems, mboot.efi. Additional software such as PXELINUX is not required. iPXE can also be useful for UEFI systems that do not include PXE in firmware and for older UEFI systems with bugs in their PXE support. For such cases you can try installing iPXE on a USB flash drive and booting from there. NOTE Apple Macintosh products do not include PXE boot support. They include support for network booting via an Apple-specific protocol instead. Alternative Approaches to PXE Booting Alternative approaches to PXE booting different software on different hosts are also possible, for example: n Configuring the DHCP server to provide different initial boot loader filenames to different hosts depending on MAC address or other criteria. -
Proceedings of the Linux Symposium
Proceedings of the Linux Symposium Volume One June 27th–30th, 2007 Ottawa, Ontario Canada Contents The Price of Safety: Evaluating IOMMU Performance 9 Ben-Yehuda, Xenidis, Mostrows, Rister, Bruemmer, Van Doorn Linux on Cell Broadband Engine status update 21 Arnd Bergmann Linux Kernel Debugging on Google-sized clusters 29 M. Bligh, M. Desnoyers, & R. Schultz Ltrace Internals 41 Rodrigo Rubira Branco Evaluating effects of cache memory compression on embedded systems 53 Anderson Briglia, Allan Bezerra, Leonid Moiseichuk, & Nitin Gupta ACPI in Linux – Myths vs. Reality 65 Len Brown Cool Hand Linux – Handheld Thermal Extensions 75 Len Brown Asynchronous System Calls 81 Zach Brown Frysk 1, Kernel 0? 87 Andrew Cagney Keeping Kernel Performance from Regressions 93 T. Chen, L. Ananiev, and A. Tikhonov Breaking the Chains—Using LinuxBIOS to Liberate Embedded x86 Processors 103 J. Crouse, M. Jones, & R. Minnich GANESHA, a multi-usage with large cache NFSv4 server 113 P. Deniel, T. Leibovici, & J.-C. Lafoucrière Why Virtualization Fragmentation Sucks 125 Justin M. Forbes A New Network File System is Born: Comparison of SMB2, CIFS, and NFS 131 Steven French Supporting the Allocation of Large Contiguous Regions of Memory 141 Mel Gorman Kernel Scalability—Expanding the Horizon Beyond Fine Grain Locks 153 Corey Gough, Suresh Siddha, & Ken Chen Kdump: Smarter, Easier, Trustier 167 Vivek Goyal Using KVM to run Xen guests without Xen 179 R.A. Harper, A.N. Aliguori & M.D. Day Djprobe—Kernel probing with the smallest overhead 189 M. Hiramatsu and S. Oshima Desktop integration of Bluetooth 201 Marcel Holtmann How virtualization makes power management different 205 Yu Ke Ptrace, Utrace, Uprobes: Lightweight, Dynamic Tracing of User Apps 215 J. -
Qtile Documentation Release 0.15.1
Qtile Documentation Release 0.15.1 Aldo Cortesi Apr 14, 2020 Contents 1 Getting started 1 1.1 Installing Qtile..............................................1 1.2 Configuration...............................................5 2 Commands and scripting 25 2.1 Commands API............................................. 25 2.2 Scripting................................................. 28 2.3 qshell................................................... 28 2.4 iqshell.................................................. 30 2.5 qtile-top.................................................. 31 2.6 qtile-run................................................. 31 2.7 qtile-cmd................................................. 31 2.8 dqtile-cmd................................................ 34 3 Getting involved 37 3.1 Contributing............................................... 37 3.2 Hacking on Qtile............................................. 38 4 Miscellaneous 43 4.1 Reference................................................. 43 4.2 Frequently Asked Questions....................................... 107 4.3 License.................................................. 108 Index 109 i ii CHAPTER 1 Getting started 1.1 Installing Qtile 1.1.1 Distro Guides Below are the preferred installation methods for specific distros. If you are running something else, please see In- stalling From Source. Installing on Arch Linux Stable versions of Qtile are currently packaged for Arch Linux. To install this package, run: pacman -S qtile Please see the ArchWiki for more information on -
Linux Kernel and Driver Development Training Slides
Linux Kernel and Driver Development Training Linux Kernel and Driver Development Training © Copyright 2004-2021, Bootlin. Creative Commons BY-SA 3.0 license. Latest update: October 9, 2021. Document updates and sources: https://bootlin.com/doc/training/linux-kernel Corrections, suggestions, contributions and translations are welcome! embedded Linux and kernel engineering Send them to [email protected] - Kernel, drivers and embedded Linux - Development, consulting, training and support - https://bootlin.com 1/470 Rights to copy © Copyright 2004-2021, Bootlin License: Creative Commons Attribution - Share Alike 3.0 https://creativecommons.org/licenses/by-sa/3.0/legalcode You are free: I to copy, distribute, display, and perform the work I to make derivative works I to make commercial use of the work Under the following conditions: I Attribution. You must give the original author credit. I 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. I For any reuse or distribution, you must make clear to others the license terms of this work. I 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. Document sources: https://github.com/bootlin/training-materials/ - Kernel, drivers and embedded Linux - Development, consulting, training and support - https://bootlin.com 2/470 Hyperlinks in the document There are many hyperlinks in the document I Regular hyperlinks: https://kernel.org/ I Kernel documentation links: dev-tools/kasan I Links to kernel source files and directories: drivers/input/ include/linux/fb.h I Links to the declarations, definitions and instances of kernel symbols (functions, types, data, structures): platform_get_irq() GFP_KERNEL struct file_operations - Kernel, drivers and embedded Linux - Development, consulting, training and support - https://bootlin.com 3/470 Company at a glance I Engineering company created in 2004, named ”Free Electrons” until Feb. -
Project Report - Adding PXE Boot Into Palacios
Project Report - Adding PXE Boot into Palacios Chen Jin Bharath Pattabiraman Patrick Foley EECS Department EECS Department EECS Department Northwestern University Northwestern University Northwestern University chen.jin@eecs. bharath@u. patrickfoley2011@u. northwestern.edu northwestern.edu northwestern.edu ABSTRACT PXE is a standard for booting an OS from the network. Most machines BIOSes support it. But, the BIOS used by Palacios guests did not. In our project, we tried various ways in which PXE network boot capability could be added to Palacios. We used a PXE-capable Etherboot ROM image from ROM-o-matic.net that has support for our emulated network card. We then used this small ISO image to build the guest and let it serve as a replacement PXE-boot ROM for the emulated network card. With passthrough I/O, the requests are handed over directly to the host, which are then sent to the DHCP and Boot servers to initiate the network boot process. The PXE capability will of vital importance in diskless nodes where the node is completely dependent on Figure 1: PXE system configuration the network for booting. 1. INTRODUCTION using PXE protocol and then boots the guest. PXE (Preboot eXecution Environment) allows us to boot Kitten/Palacios (and a test guest) remotely from a network server. Booting Palacios/Kitten over a network server is 2. SYSTEM already possible. In this research effort we have enabled So, as shown in Figure 1, in order to use PXE we need to Palacios to remote boot a guest OS using PXE. setup a PXE-server which can allow client systems to: PXE is defined on a foundation of Internet protocols, namely • TCP/IP, DHCP, and TFTP. -
VNC User Guide 7 About This Guide
VNC® User Guide Version 5.3 December 2015 Trademarks RealVNC, VNC and RFB are trademarks of RealVNC Limited and are protected by trademark registrations and/or pending trademark applications in the European Union, United States of America and other jursidictions. Other trademarks are the property of their respective owners. Protected by UK patent 2481870; US patent 8760366 Copyright Copyright © RealVNC Limited, 2002-2015. All rights reserved. No part of this documentation may be reproduced in any form or by any means or be used to make any derivative work (including translation, transformation or adaptation) without explicit written consent of RealVNC. Confidentiality All information contained in this document is provided in commercial confidence for the sole purpose of use by an authorized user in conjunction with RealVNC products. The pages of this document shall not be copied, published, or disclosed wholly or in part to any party without RealVNC’s prior permission in writing, and shall be held in safe custody. These obligations shall not apply to information which is published or becomes known legitimately from some source other than RealVNC. Contact RealVNC Limited Betjeman House 104 Hills Road Cambridge CB2 1LQ United Kingdom www.realvnc.com Contents About This Guide 7 Chapter 1: Introduction 9 Principles of VNC remote control 10 Getting two computers ready to use 11 Connectivity and feature matrix 13 What to read next 17 Chapter 2: Getting Connected 19 Step 1: Ensure VNC Server is running on the host computer 20 Step 2: Start VNC