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Release Notes for Debian GNU/Linux 5.0 (Lenny), Alpha
Release Notes for Debian GNU/Linux 5.0 (lenny), Alpha The Debian Documentation Project (http://www.debian.org/doc/) November 11, 2010 Release Notes for Debian GNU/Linux 5.0 (lenny), Alpha Published 2009-02-14 This document is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License, version 2, as published by the Free Software Foundation. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; with- out even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. The license text can also be found at http://www.gnu.org/copyleft/gpl.html and /usr/ share/common-licenses/GPL-2 on Debian GNU/Linux. ii Contents 1 Introduction 3 1.1 Reporting bugs on this document . .3 1.2 Contributing upgrade reports . .3 1.3 Sources for this document . .4 2 What’s new in Debian GNU/Linux 5.05 2.1 What’s new in the distribution? . .5 2.1.1 Package management . .7 2.1.2 The proposed-updates section . .7 2.2 System improvements . .8 2.3 Major kernel-related changes . .8 2.3.1 Changes in kernel packaging . .8 2.4 Emdebian 1.0 (based on Debian GNU/Linux lenny 5.0) . .9 2.5 Netbook support . -
Version 7.8-Systemd
Linux From Scratch Version 7.8-systemd Created by Gerard Beekmans Edited by Douglas R. Reno Linux From Scratch: Version 7.8-systemd by Created by Gerard Beekmans and Edited by Douglas R. Reno Copyright © 1999-2015 Gerard Beekmans Copyright © 1999-2015, Gerard Beekmans All rights reserved. This book is licensed under a Creative Commons License. Computer instructions may be extracted from the book under the MIT License. Linux® is a registered trademark of Linus Torvalds. Linux From Scratch - Version 7.8-systemd Table of Contents Preface .......................................................................................................................................................................... vii i. Foreword ............................................................................................................................................................. vii ii. Audience ............................................................................................................................................................ vii iii. LFS Target Architectures ................................................................................................................................ viii iv. LFS and Standards ............................................................................................................................................ ix v. Rationale for Packages in the Book .................................................................................................................... x vi. Prerequisites -
Timesys Linux Install HOWTO
TimeSys Linux Install HOWTO Trevor Harmon <[email protected]> 2005−04−05 Revision History Revision 1.0 2005−04−05 Revised by: TH first official release This document is a quick−start guide for installing TimeSys Linux on a typical desktop workstation. TimeSys Linux Install HOWTO Table of Contents 1. Introduction.....................................................................................................................................................1 1.1. Background.......................................................................................................................................1 1.2. Copyright and License......................................................................................................................1 1.3. Disclaimer.........................................................................................................................................2 1.4. Feedback...........................................................................................................................................2 2. Requirements...................................................................................................................................................3 3. Install the packages.........................................................................................................................................4 4. Prepare the source directories.......................................................................................................................5 5. Configure -
Embedded Systems 2/7
Embedded systems 2/7 J.-M Friedt Introduction Virtual memory access Embedded systems 2/7 Kernel module basics Using the kernel: timers J.-M Friedt Conclusion & lab session FEMTO-ST/d´epartement temps-fr´equence [email protected] slides at jmfriedt.free.fr September 9, 2020 1 / 24 Embedded systems 2/7 J.-M Friedt Operating system: the need for Introduction drivers Virtual memory access Kernel module basics Using the kernel: timers • Hardware abstraction: hide low level functions so that the developer Conclusion & lab session can focus on the functionalities provided by the peripheral ! a single entry point providing system calls (open, read, write, close) hiding access to hardware • Homogeneous interface to all peripherals (\Everything is a file") • Only the kernel can access hardware resources (DMA, interrupts) • Share resources and make sure only one process can access a given hardware function • Add functionalities to the Linux kernel: modules 2 / 24 Embedded systems 2/7 J.-M Friedt Virtual memory/hardware memory Introduction Hardware memory addressing Virtual memory • hardware memory: a value on the address bus identifies which access peripheral is active Kernel module basics • each peripheral decodes the address bus to detect whether it is the Using the kernel: target of a message timers • Conclusion & lab only one peripheral must match a given physical address (otherwise, session conflict) Virtual memory addressing • each process has its own address space • memory organization independent of physical constraints • dynamic loading -
Pipewire: a Low-Level Multimedia Subsystem
Proceedings of the 18th Linux Audio Conference (LAC-20), SCRIME, Université de Bordeaux, France, November 25–27, 2020 PIPEWIRE: A LOW-LEVEL MULTIMEDIA SUBSYSTEM Wim Taymans ∗ Principal Software Engineer Red Hat, Spain [email protected] ABSTRACT 2. LINUX AUDIO LANDSCAPE PipeWire is a low-level multimedia library and daemon that facili- Audio support on Linux first appeared with the Open Sound System tates negotiation and low-latency transport of multimedia content be- (OSS) [6] and was until the 2.4 kernel the only audio API available tween applications, filters and devices. It is built using modern Linux on Linux. It was based around the standard Unix open/close/read- infrastructure and has both performance and security as its core de- /write/ioctl system calls. sign guidelines. The goal is to provide services such as JACK and OSS was replaced by the Advanced Linux Sound Architecture PulseAudio on top of this common infrastructure. PipeWire is media (ALSA) [7]from Linux 2.5. ALSA improved on the OSS API and agnostic and supports arbitrary compressed and uncompressed for- included a user space library that abstracted many of the hardware mats. A common audio infrastructure with backwards compatibility details. The ALSA user-space library also includes a plugin infras- that can support Pro Audio and Desktop Audio use cases can poten- tructure that can be used to create new custom devices and plugins. tially unify the currently fractured audio landscape on Linux desk- Unfortunately, the plugin system is quite static and requires editing tops and workstations and give users and developers a much better of configuration files. -
The Linux Device File-System
The Linux Device File-System Richard Gooch EMC Corporation [email protected] Abstract 1 Introduction All Unix systems provide access to hardware via de- vice drivers. These drivers need to provide entry points for user-space applications and system tools to access the hardware. Following the \everything is a file” philosophy of Unix, these entry points are ex- posed in the file name-space, and are called \device The Device File-System (devfs) provides a power- special files” or \device nodes". ful new device management mechanism for Linux. Unlike other existing and proposed device manage- This paper discusses how these device nodes are cre- ment schemes, it is powerful, flexible, scalable and ated and managed in conventional Unix systems and efficient. the limitations this scheme imposes. An alternative mechanism is then presented. It is an alternative to conventional disc-based char- acter and block special devices. Kernel device drivers can register devices by name rather than de- vice numbers, and these device entries will appear in the file-system automatically. 1.1 Device numbers Devfs provides an immediate benefit to system ad- ministrators, as it implements a device naming scheme which is more convenient for large systems Conventional Unix systems have the concept of a (providing a topology-based name-space) and small \device number". Each instance of a driver and systems (via a device-class based name-space) alike. hardware component is assigned a unique device number. Within the kernel, this device number is Device driver authors can benefit from devfs by used to refer to the hardware and driver instance. -
Linux Versions
Linux Versions The Linux "product" is provided in a large number of different versions, known as "distributions," each of which retains the core kernel and GNU tools. Additionally, a variety of common tools (such as KDE, Apache, and Samba) are backed with a collection of additions and service options that meet a particular market niche. Red Hat holds the largest Linux installed base in the US, Novell SUSE Linux in Europe, and TurboLinux (based in Japan) in Asia-Pacific. Mainstream distributions--i.e. commercial applications fully supported by their vendor—have typical license and maintenance fees, just as any other commercial software applications would, while community supported distributions tend to be free to users. Table below lists the best-known Linux distributors, as well as companies that support multiple versions of Linux versions developed by others. Distributor Product Distribution Type Debian Debian GNU/Linux 5.0.0 Free Gentoo Gentoo Linux 2008 Free Mandriva 1. Mandrive Linux One 2009 Commercial 2. Mandriva Linux PowerPack 3. Mandriva Flash (mobile USB Key) 4. Mandriva Corporate Server 4 5. Mandriva Corporate Desktop 6. Mandriva Directory Server 7. Mandriva Pulse 2 (tools) 8. Linbox Rescue Server (backup/restore system) Novell SUSE 1. SUSE Linux Enterprise Server 11 Commercial Linux 2. SUSE Linux Enterprise Desktop 11 3. SUSE Linux Enterprise High Page 1 of 4 Linux Versions Availability Extension 4. SUSE Linux Enterprise Mono Extension 5. SUSE Linux Enterprise Server for System z 6. SUSE Linux Enterprise Real Time Extension 7. SUSE Linux Enterprise Server Priority Support for 8. SAP Applications 9. SUSE Linux Enterprise Point of Service 10. -
Oracle® Secure Global Desktop Platform Support and Release Notes for Release 5.2
Oracle® Secure Global Desktop Platform Support and Release Notes for Release 5.2 April 2015 E51729-03 Oracle Legal Notices Copyright © 2015, Oracle and/or its affiliates. All rights reserved. This software and related documentation are provided under a license agreement containing restrictions on use and disclosure and are protected by intellectual property laws. Except as expressly permitted in your license agreement or allowed by law, you may not use, copy, reproduce, translate, broadcast, modify, license, transmit, distribute, exhibit, perform, publish, or display any part, in any form, or by any means. Reverse engineering, disassembly, or decompilation of this software, unless required by law for interoperability, is prohibited. The information contained herein is subject to change without notice and is not warranted to be error-free. If you find any errors, please report them to us in writing. If this is software or related documentation that is delivered to the U.S. Government or anyone licensing it on behalf of the U.S. Government, then the following notice is applicable: U.S. GOVERNMENT END USERS: Oracle programs, including any operating system, integrated software, any programs installed on the hardware, and/or documentation, delivered to U.S. Government end users are "commercial computer software" pursuant to the applicable Federal Acquisition Regulation and agency-specific supplemental regulations. As such, use, duplication, disclosure, modification, and adaptation of the programs, including any operating system, integrated software, any programs installed on the hardware, and/or documentation, shall be subject to license terms and license restrictions applicable to the programs. No other rights are granted to the U.S. -
Audio on Linux: End of a Golden Age?
Audio on Linux: End of a Golden Age? Lars-Peter Clausen – Analog Devices Agenda ● History – Major transitions in software and hardware architecture ● Present – A look at the current situation – Are we in a golden age? ● Future – What major transitions lie ahead of us – How are we going to react to them? Interdependent vs. Modular Interdependent ● No clear boundaries defined between sub- modules ● Different sub-modules are aware of each others internals – Creates dependencies ● Parts can't be upgraded or modified independently of each other Modular ● Partitioning in sub-modules ● Clearly defined functions and interfaces ● Parts can be changed independently of each other – Drop-in replacements ● Constraint by the interface History Humble Beginnings PC Speaker (Beeper) ● Found in all IBM compatible PCs – Present in the first IBM PC 5150 (1981) ● Has only two states – Toggling a specific frequency generates a tone (PWM) ● Magnetic or Piezoelectric plate ● In Linux supported by the input framework Extending Features Soundblaster ● First widespread consumer sound card – Soundblaster 1.0 release in 1989 ● Primarily synthesizer based ● Mono PCM channel ● Became defacto standard for consumer sound cards – Many applications expected a sound blaster interface – Other manufacturers included a Soundblaster compatibility mode in their hardware Audio on Linux Open Sound System (OSS) Open Sound System (OSS) ● Used to be default audio subsystem in v2.4 ● /dev/dsp interface – To playback audio use write() – To capture audio use read() – Some IOCTLs for -
SGI™ Propack 1.3 for Linux™ Start Here
SGI™ ProPack 1.3 for Linux™ Start Here Document Number 007-4062-005 © 1999—2000 Silicon Graphics, Inc.— All Rights Reserved The contents of this document may not be copied or duplicated in any form, in whole or in part, without the prior written permission of Silicon Graphics, Inc. LIMITED AND RESTRICTED RIGHTS LEGEND Use, duplication, or disclosure by the Government is subject to restrictions as set forth in the Rights in Data clause at FAR 52.227-14 and/or in similar or successor clauses in the FAR, or in the DOD, DOE or NASA FAR Supplements. Unpublished rights reserved under the Copyright Laws of the United States. Contractor/ manufacturer is SGI, 1600 Amphitheatre Pkwy., Mountain View, CA 94043-1351. Silicon Graphics is a registered trademark and SGI and SGI ProPack for Linux are trademarks of Silicon Graphics, Inc. Intel is a trademark of Intel Corporation. Linux is a trademark of Linus Torvalds. NCR is a trademark of NCR Corporation. NFS is a trademark of Sun Microsystems, Inc. Oracle is a trademark of Oracle Corporation. Red Hat is a registered trademark and RPM is a trademark of Red Hat, Inc. SuSE is a trademark of SuSE Inc. TurboLinux is a trademark of TurboLinux, Inc. UNIX is a registered trademark in the United States and other countries, licensed exclusively through X/Open Company, Ltd. SGI™ ProPack 1.3 for Linux™ Start Here Document Number 007-4062-005 Contents List of Tables v About This Guide vii Reader Comments vii 1. Release Features 1 Feature Overview 2 Qualified Drivers 3 Patches and Changes to Base Linux Distributions 3 2. -
Sound-HOWTO.Pdf
The Linux Sound HOWTO Jeff Tranter [email protected] v1.22, 16 July 2001 Revision History Revision 1.22 2001−07−16 Revised by: jjt Relicensed under the GFDL. Revision 1.21 2001−05−11 Revised by: jjt This document describes sound support for Linux. It lists the supported sound hardware, describes how to configure the kernel drivers, and answers frequently asked questions. The intent is to bring new users up to speed more quickly and reduce the amount of traffic in the Usenet news groups and mailing lists. The Linux Sound HOWTO Table of Contents 1. Introduction.....................................................................................................................................................1 1.1. Acknowledgments.............................................................................................................................1 1.2. New versions of this document.........................................................................................................1 1.3. Feedback...........................................................................................................................................2 1.4. Distribution Policy............................................................................................................................2 2. Sound Card Technology.................................................................................................................................3 3. Supported Hardware......................................................................................................................................4 -
Guest OS Compatibility Guide
Guest OS Compatibility Guide Guest OS Compatibility Guide Last Updated: September 29, 2021 For more information go to vmware.com. Introduction VMware provides the widest virtualization support for guest operating systems in the industry to enable your environments and maximize your investments. The VMware Compatibility Guide shows the certification status of operating system releases for use as a Guest OS by the following VMware products: • VMware ESXi/ESX Server 3.0 and later • VMware Workstation 6.0 and later • VMware Fusion 2.0 and later • VMware ACE 2.0 and later • VMware Server 2.0 and later VMware Certification and Support Levels VMware product support for operating system releases can vary depending upon the specific VMware product release or update and can also be subject to: • Installation of specific patches to VMware products • Installation of specific operating system patches • Adherence to guidance and recommendations that are documented in knowledge base articles VMware attempts to provide timely support for new operating system update releases and where possible, certification of new update releases will be added to existing VMware product releases in the VMware Compatibility Guide based upon the results of compatibility testing. Tech Preview Operating system releases that are shown with the Tech Preview level of support are planned for future support by the VMware product but are not certified for use as a Guest OS for one or more of the of the following reasons: • The operating system vendor has not announced the general availability of the OS release. • Not all blocking issues have been resolved by the operating system vendor.