Solaris 8 Advanced Installation Guide
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Booting up and Shutting Down a Primer for Troubleshooting the Boot
Booting up and Shutting down A primer for troubleshooting In this section, we touch upon the startup and shutdown process on Linux. It is beyond the scope of this course to cover this topic in depth and we highly recommend that you read more about this topic in the official RedHat documentation or the documents listed at the end of this section. There is an abundance of information on this topic available in books and on the web. The Boot Up Process Please refer to the official RedHat documentation for details about the boot up process. http://www.redhat.com/docs/manuals/linux/RHL-9-Manual/ref-guide/ch-boot-init-shutdown.html Bootloaders Two common bootloaders in Linux are Lilo and grub. Bio-Linux currently uses grub. Grub installs a boot loader to the Master Boot Record. By configuring grub, you can put specific instructions in the Master Boot Record that allow you to load menus or command environments such that you could choose to start up different operating systems, pass information to the kernel, etc. The grub configuration file is at /boot/grub/grub.conf. Unless you are really into system work, you will probably not ever have to touch this file. More information on grub can be found at: http://www.redhat.com/docs/manuals/linux/RHL-9-Manual/ref-guide/s1-grub-whatis.html Once grub has done its job, it hands over control of the machine to the operating system. Run levels Run Level Description 0 Halt 1 Single user mode 2 Multiuser, without networking (without NFS) 3 Full multiuser mode, with networking 4 Unused 5 the same as 3, but with X11 started automatically 6 Reboot The first process run after the kernel has loaded is /sbin/init – this runs with pid 1. -
It's Complicated but It's Probably Already Booting Your Computer
FAQ SYSTEMD SYSTEMD It’s complicated but it’s probably already booting your computer. dynamically connect to your network, a runlevel of 1 for a single-user mode, GRAHAM MORRISON while syslogd pools all the system runlevel 3 for the same command messages together to create a log of prompt we described earlier, and Surely the ‘d’ in Systemd is everything important. Another daemon, runlevel 5 to launch a graphical a typo? though it lacks the ‘d’, is init – famous environment. Changing this for your No –it’s a form of Unix notation for being the first process that runs on next boot often involved editing the used to signify a daemon. your system. /etc/inittab file, and you’d soon get used to manually starting and stopping You mean like those little Isn’t init used to switch your own services simply by executing devils inhabiting Dante’s between the command-line the scripts you found. underworld? and the graphical desktop? There is a link in that Unix usage For many of us, yes. This was the You seem to be using the past of the term daemon supposedly main way of going from the tense for all this talk about the comes from Greek mythology, where desktop to a command line and back init daemon… daemons invisibly wove their magic again without trying to figure out which That’s because the and benign influence. The word is today processes to kill or start manually. aforementioned Systemd wants more commonly spelt ‘demon’, which Typing init 3 would typically close any to put init in the past. -
Oracle Solaris Administration Basic Administration
Oracle® Solaris Administration: Basic Administration Part No: E29492–03 June 2013 Copyright © 1998, 2013, 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, 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 anyoperating 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. Government. This software or hardware is developed for general use in a variety of information management applications. -
The Linux Startup Process
The Linux startup process Jerry Feldman <[email protected]> The Linux Expertise Center Hewlett-Packard Company Document produced via OpenOffice.org Overview ● The Linux boot process – GRUB. This is the default for X86/Linux – LILO – Other boot loaders ● The Linux Operating modes – Single-user mode – Multi-user mode. ● Run Levels – What are run levels – What are the Linux standard run levels – How Linux manages run levels 2 The Linux Boot process ● The PC boot process is a 3-stage boot process that begins with the BIOS executing a short program that is stored in the Master Boot Record (MBR) of the first physical drive. Since this stage 1 boot loader needs to fit in the MBR, it is limited to 512 bytes and is normally written in assembly language. There are a number of boot loaders that can load Linux. ● GRUB and LILO are the most commonly used ones on X86 hardware. ® ® ● EFI is used on the Intel Itanium family. 3 The GRand Unified Bootloader The GRand Unified Bootloader (GRUB) is default boot loader on most distributions today. It has the capability to load a number of different operating systems. 1.The stage 1 boot resides in the MBR and contains the sector number of the stage 2 boot that is usually located in the /boot/grub directory on Linux. 2.The stage 2 boot loader presents a boot menu to the user based on /boot/grub/grub.conf or menu.lst. This contains a boot script. It is the stage2 loader actually loads the Linux kernel or 4 other OS. -
Solaris Powerpc Edition: Installing Solaris Software—May 1996 What Is a Profile
SolarisPowerPC Edition: Installing Solaris Software 2550 Garcia Avenue Mountain View, CA 94043 U.S.A. A Sun Microsystems, Inc. Business Copyright 1996 Sun Microsystems, Inc., 2550 Garcia Avenue, Mountain View, California 94043-1100 U.S.A. All rights reserved. This product or document is protected by copyright and distributed under licenses restricting its use, copying, distribution, and decompilation. No part of this product or document may be reproduced in any form by any means without prior written authorization of Sun and its licensors, if any. Portions of this product may be derived from the UNIX® system, licensed from Novell, Inc., and from the Berkeley 4.3 BSD system, licensed from the University of California. UNIX is a registered trademark in the United States and other countries and is exclusively licensed by X/Open Company Ltd. Third-party software, including font technology in this product, is protected by copyright and licensed from Sun’s suppliers. RESTRICTED RIGHTS LEGEND: Use, duplication, or disclosure by the government is subject to restrictions as set forth in subparagraph (c)(1)(ii) of the Rights in Technical Data and Computer Software clause at DFARS 252.227-7013 and FAR 52.227-19. Sun, Sun Microsystems, the Sun logo, Solaris, Solstice, SunOS, OpenWindows, ONC, NFS, DeskSet are trademarks or registered trademarks of Sun Microsystems, Inc. in the United States and other countries. All SPARC trademarks are used under license and are trademarks or registered trademarks of SPARC International, Inc. in the United States and other countries. Products bearing SPARC trademarks are based upon an architecture developed by Sun Microsystems, Inc. -
PDF, Postscript(Tm) and HTML Form
T2 System Development Environment Creating custom Linux solutions (Compiled from r369) René Rebe Susanne Klaus T2 System Development Environment: Creating custom Linux solutions: (Compiled from r369) by René Rebe and Susanne Klaus Published (TBA) Copyright © 2002, 2003, 2004, 2005, 2006, 2007 René RebeSusanne Klaus This work is licensed under the Open Publication License, v1.0, including license option B: Distribution of the work or derivative of the work in any standard (paper) book form for commercial purposes is prohibited unless prior permission is obtained from the copyright holder. The latest version of the Open Publication License is presently available at ht- tp://www.opencontent.org/openpub/. Table of Contents Preface ....................................................................................................................x Audience ..........................................................................................................x How to Read this Book ...................................................................................... x Conventions Used in This Book ......................................................................... x Typographic Conventions .......................................................................... x Icons ........................................................................................................x Organization of This Book ................................................................................ xi This Book is Free ............................................................................................ -
Solaris 8 (SPARC Platform Edition) 6/00 Release Notes Update
Solaris 8 (SPARC Platform Edition) 6/00 Release Notes Update Sun Microsystems, Inc. 901 San Antonio Road Palo Alto, CA 94303-4900 U.S.A. Part Number 806-3811–10 June 2000 Copyright 2000 Sun Microsystems, Inc. 901 San Antonio Road, Palo Alto, California 94303-4900 U.S.A. All rights reserved. This product or document is protected by copyright and distributed under licenses restricting its use, copying, distribution, and decompilation. No part of this product or document may be reproduced in any form by any means without prior written authorization of Sun and its licensors, if any. Third-party software, including font technology, is copyrighted and licensed from Sun suppliers. Parts of the product may be derived from Berkeley BSD systems, licensed from the University of California. UNIX is a registered trademark in the U.S. and other countries, exclusively licensed through X/Open Company, Ltd. Sun, Sun Microsystems, the Sun logo, docs.sun.com, AnswerBook, AnswerBook2, Java, JDK, DiskSuite, JumpStart, HotJava, Solstice AdminSuite, Solstice AutoClient, SunOS, OpenWindows, XView, and Solaris are trademarks, registered trademarks, or service marks of Sun Microsystems, Inc. in the U.S. and other countries. All SPARC trademarks are used under license and are trademarks or registered trademarks of SPARC International, Inc. in the U.S. and other countries. Products bearing SPARC trademarks are based upon an architecture developed by Sun Microsystems, Inc. PostScript is a trademark or registered trademark of Adobe Systems, Incorporated, which may be registered in certain jurisdictions. The OPEN LOOK and SunTM Graphical User Interface was developed by Sun Microsystems, Inc. -
A5x00troubleshootingguide
A5x00TroubleshootingGuide Joy Silva John Schell Sun Network Storage April 1999 Copyright 1998 Sun Microsystems, Inc., 901 San Antonio Road, Palo Alto, California 94303 U.S.A. All rights reserved. This product or document is protected by copyright and distributed under licenses restricting its use, copying, distribution, and decompilation. No part of this product or document may be reproduced in any form by any means without prior written authorization of Sun and its licensors, if any. Third-party software, including font technology, is copyrighted and licensed from Sun suppliers. Parts of the product may be derived from Berkeley BSD systems, licensed from the University of California. UNIX is a registered trademark in the U.S. and other countries, exclusively licensed through X/Open Company, Ltd. Sun, Sun Microsystems, the Sun logo, SunSoft, SunDocs, SunExpress, and Solaris are trademarks, registered trademarks, or service marks of Sun Microsystems, Inc. in the U.S. and other countries. All SPARC trademarks are used under license and are trademarks or registered trademarks of SPARC International, Inc. in the U.S. and other countries. Products bearing SPARC trademarks are based upon an architecture developed by Sun Microsystems, Inc. The OPEN LOOK and Sun™ Graphical User Interface was developed by Sun Microsystems, Inc. for its users and licensees. Sun acknowledges the pioneering efforts of Xerox in researching and developing the concept of visual or graphical user interfaces for the computer industry. Sun holds a non- exclusive license from Xerox to the Xerox Graphical User Interface, which license also covers Sun’s licensees who implement OPEN LOOK GUIs and otherwise comply with Sun’s written license agreements. -
Linux and UNIX
Operating Systems, Fall 2008 2.10.2008 Example: Linux and UNIX 1 UNIX History First version, a strippedstripped--downdown MULTICS by Ken Thompson for a discarded PDP--7PDP 7 minicomputer in assembly language Moved to PDP--11PDP 11 and rewritten using language, C, designed for that purpose Evolved to two different, partially incompatible versions System V (AT&T, original designers) BSD (Berkeley, based on an early UNIX Version 6) Standardization by IEEE created POSIX 1003.1 Intersection (leikkaus) of the features 2 Lecture 10 1 Operating Systems, Fall 2008 2.10.2008 UNIX Popularity based on Portability C code, some device--dependentdevice dependent parts in assembly code Multiprogramming Supported interactive users (at the era of batch systems) Hierarchical file and directory structure Just one file format: sequence of bytes (Universities had the suitable machines in the beginning) UNIX philosophy: small is beautiful Combining small utility programs (called filters) pipe output of one to be an input to another Minimum number of system calls 3 4 Lecture 10 2 Operating Systems, Fall 2008 2.10.2008 UNIX History, continues MINIX (released in 1987) Designed by A. Tanenbaum for educational purpose Microkernel design Today focus also on reliability and dependability issues LINUX (released in 1991) Designed by Linus Torvalds for personal use Model from MINIX, but monolithic kernel Uses special features of gcc Free software based on GPL (Gnu Public License) 5 Linux Joint InternetInternet--basedbased Free Software Foundation & development GNU Public License Experts all over the world Free distribution of the kernel code (C & assembler )) 1991 -->> Free distribution of some HY/TKTL: "Linux was (most) system software invented here“ GNU C, Gnome, KDE, Linus Torvalds studied and Apache, Samba, … worked at the department. -
Solaris Internals
SOLARIS INTERNALS Core Kernel Components i SOLARIS INTERNALS Core Kernel Components Jim Mauro and Richard McDougall Sun Microsystems Press A Prentice Hall Title © 2000 Sun Microsystems, Inc. — Printed in the United States of America. 901 San Antonio Road, Palo Alto, California 94303 U.S.A. All rights reserved. This product and related documentation are protected by copyright and distributed under licenses restricting its use, copying, distribution and decompilation. No part of this product or related documentation may be reproduced in any form by any means without prior written authoriza- tion of Sun and its licensors, if any. RESTRICTED RIGHTS LEGEND: Use, duplication, or disclosure by the United States Government is subject to the restrictions as set forth in DFARS 252.227-7013 (c)(1)(ii) and FAR 52.227-19. The product described in this manual may be protected by one or more U.S. patents, foreign patents, or pending applications. TRADEMARKS—Sun, Sun Microsystems, the Sun logo, HotJava, Solaris, SunExpress, SunScreen, SunDocs, SPARC, SunOS, and SunSoft are trademarks or registered trademarks of Sun Microsystems, Inc. All other products or services mentioned in this book are the trademarks or service marks of their respective companies or organizations. 109 87654321 ISBN 0-13-022496-0 Sun Microsystems Press A Prentice Hall Title For Traci. .. for your love and encouragement .......................................... Richard For Donna, Frankie and Dominick. All my love, always... .......................................... Jim ACKNOWLEDGEMENTS It ‘s hard to thank all people that helped us with this book. As a minimum, we owe: • Thanks to Brian Wong, Adrian Cockcroft, Paul Strong, Lisa Musgrave and Fraser Gardiner for all your help and advise for the structure and content of this book. -
Tuning Systemd for Embedded
Tuning systemd for Embedded Alison Chaiken [email protected] Mar. 23, 2015 Latest version: http://she-devel.com/ELC_systemd.pdf Auxiliary files: http://she-devel.com/ELC_auxiliary.tar.bz2 Text in blue is hyperlinked. ? ? ? ? Quiz: what is the most widely used Linux init system? ? ? ? ? phenomenom.” -- Gary Hamel “ Show Action Linux itself.” -- is Linux GKH, Linux “ Valley Silicon Gates,-- Bill industry.” the technology in position “ Success self-correcting Success is a hurt Thethatever thing can only has a guaranteed No one Linux needs to keepinnovating Pirates Pirates of Licensed under CC BY-SA 3.0 http://commons.wikimedia.org/wiki/File:Fire-lite-bg- 10.jpg#mediaviewer/File:Fire-lite-bg-10.jpg Philosophy of systemd Extract duplicate functionality from daemons and move it to systemd core or kernel. Replace /etc scripts with declarative config files. Expose newer kernel APIs to userspace via a simple interface. systemd is: ● modular; ● asynchronous and concurrent; ● described by declarative sets of properties; ● bundled with analysis tools and tests; ● features a fully language-agnostic API. One daemon to rule them all xinetd: a daemon to lazily launch internet services when activity is detected on an AF_INET socket systemd: a daemon to lazily launch any system service when activity is detected on an AF_UNIX socket (oversimplification) Complexity arising from many similar small units init.d scripts systemd units ● Unit's action and parameters: ExecStart= ● Dependencies: Before=, After=, Requires=, Conflicts= and Wants=. ● Default dependencies: – Requires= and After= on basic.target; – Conflicts= and Before= on shutdown.target. ● Types of unit files: service, socket, device, mount, scope, slice, automount, swap, target, path, timer, snapshot sysVinit runlevels ≈ systemd targets ● Targets are synchronization points. -
Solaris 9 9/05 Sun Hardware Platform Guide
Solaris™ 9 9/05 Sun™ Hardware Platform Guide Sun Microsystems, Inc. www.sun.com Part No. 819-2946-10 September 2005, Revision A Submit comments about this document at: http://www.sun.com/hwdocs/feedback Copyright 2005 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, California 95054, U.S.A. All rights reserved. Sun Microsystems, Inc. has intellectual property rights relating to technology that is described in this document. In particular, and without limitation, these intellectual property rights may include one or more of the U.S. patents listed at http://www.sun.com/patents, and one or more additional patents or pending patent applications in the U.S. and in other countries. This document and the product to which it pertains are distributed under licenses restricting their use, copying, distribution, and decompilation. No part of the product or of this document may be reproduced in any form by any means without prior written authorization of Sun and its licensors, if any. Third-party software, including font technology, is copyrighted and licensed from Sun suppliers. Parts of the product may be derived from Berkeley BSD systems, licensed from the University of California. UNIX is a registered trademark in the U.S. and other countries, exclusively licensed through X/Open Company, Ltd. Sun, Sun Microsystems, the Sun logo, AnswerBook2, docs.sun.com, Netra, SunVTS, Sun HSI, SunForum, Sun ATM, Java 3D, ShowMe, Sun StorEdge, Sun Blade, Sun Fire, Sun Enterprise, Sun Enterprise Ultra, Power Management, OpenBoot, JumpStart, Ultra, SunFDDI, SunSwift, SunFast Ethernet, Sun Quad FastEthernet, Voyager, and Solaris are trademarks, registered trademarks, or service marks of Sun Microsystems, Inc.