Red Hat Enterprise Linux Installation Guide 5.2 - linux.meuhobby.com

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Chapter 8. Additional Boot Options for Intel® and AMD Systems reboot=b this x86, AMD64, and Intel® EM64T boot command changes the way the kernel tries to reboot the machine. If a kernel hang is experienced while the system is shutting down, this command may cause the system to reboot successfully. rescue this command runs rescue mode. Refer to Chapter 26, Basic System Recovery for more information about rescue mode. resolution= tells the installation program which video mode to run. it accepts any standard resolution, such as 640x480, 800x600, 1024x768, and so on. serial this command turns on serial console support. text this command disables the graphical installation program and forces the installation program to run in text mode. updates this command prompts you to insert a floppy diskette containing updates (bug fixes) for the anaconda installation program. It is not needed if you are performing a network installation and have already placed the updates image contents in rhupdates/ on the server. updates= this command allows you to specify a URL to retrieve updates (bug fixes) for the anaconda installation program. vnc this command allows you to install from a VNC server. vncpassword= this command sets the password used to connect to the VNC server. 88
Chapter 9. The GRUB Boot Loader When a computer with Red Hat Enterprise Linux is turned on, the operating system is loaded into memory by a special program called a boot loader. A boot loader usually exists on the system's primary hard drive (or other media device) and has the sole responsibility of loading the Linux kernel with its required files or (in some cases) other operating systems into memory. 1. Boot Loaders and System Architecture Each architecture capable of running Red Hat Enterprise Linux uses a different boot loader. The following table lists the boot loaders available for each architecture: Architecture AMD® AMD64 IBM®eServerSystem i IBM®eServerSystem p IBM®System z® IBM®System z® Intel®Itanium x86 Boot Loaders GRUB OS/400® YABOOT z/IPL z/IPL ELILO GRUB Table 9.1. Boot Loaders by Architecture This chapter discusses commands and configuration options for the GRUB boot loader included with Red Hat Enterprise Linux for the x86 architecture. 2. GRUB The GNU GRand Unified Boot loader (GRUB) is a program which enables the selection of the installed operating system or kernel to be loaded at system boot time. It also allows the user to pass arguments to the kernel. 2.1. GRUB and the x86 Boot Process This section discusses the specific role GRUB plays when booting an x86 system. For a look at the overall boot process, refer to Section 2, “A Detailed Look at the Boot Process”. GRUB loads itself into memory in the following stages: 1. The Stage 1 or primary boot loader is read into memory by the BIOS from the MBR 1 . The primary boot loader exists on less than 512 bytes of disk space within the MBR and is 1 For more on the system BIOS and the MBR, refer to Section 2.1, “The BIOS”. 89
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Red Hat Enterprise Linux 5.2 Red Ha
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Red Hat Enterprise Linux 5.2: Red H
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Introduction ......................
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4.3. Problems with the X Window Sys
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2. Upgrading Your System ..........
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Introduction Welcome to the Red Hat
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Document Conventions example: Go to
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Where to Find Other Manuals If you
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Part I. x86, AMD64, Intel® 64 and
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Chapter 1. Itanium System Specific
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Chapter 2. Steps to Get You Started
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Chapter 3. System Specifications Li
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Chapter 4. Installing on Intel® an
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Network Configuration Figure 12.18.
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Time Zone Configuration password to
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Set Root Password Figure 12.21. Roo
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Package Group Selection Note Users
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Installing Packages To cancel this
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Chapter 13. Driver Media for IBM PO
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Chapter 14. Troubleshooting Install
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Trouble with Partition Tables This
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Unable to IPL from *NWSSTG 4. Probl
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Your Printer Does Not Work If you c
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Chapter 15. Additional Boot Options
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vnc this command allows you to inst
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Part III. IBM System z Architecture
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Chapter 16. Steps to Get You Starte
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Chapter 17. Installing on IBM Syste
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Chapter 19. Sample Parameter Files
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Chapter 19. Sample Parameter Files
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Chapter 20. Additional Boot Options
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Chapter 22. Additional Information
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Chapter 23. Upgrading Your Current
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Upgrading Your System Installing on
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Chapter 24. Activate Your Subscript
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Chapter 25. An Introduction to Disk
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Partitions: Turning One Drive Into
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Partitions within Partitions — An
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of Extended Partitions Let us look
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Making Room For Red Hat Enterprise
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Partition Naming Scheme Figure 25.1
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How Many Partitions 1.7. Disk Parti
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Part V. Basic System Recovery When
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Chapter 26. Basic System Recovery W
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Chapter 26. Basic System Recovery I
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Chapter 27. Rescue Mode on POWER Sy
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Chapter 28. Kickstart Installations
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Kickstart Options autopart (optiona
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Kickstart Options Tip To look up us
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Kickstart Options the proper device
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Kickstart Options • cdrom — Ins
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Kickstart Options The file /usr/sha
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Kickstart Options networking (in ot
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Kickstart Options For a detailed ex
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Kickstart Options more information
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Kickstart Options that may be used
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Kickstart Options Allows the graphi
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Package Selection raid swap raid /u
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Example %pre #!/bin/sh hds="" mymed
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Making the Kickstart File Available
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Making the Installation Tree Availa
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Starting a Kickstart Installation T
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Starting a Kickstart Installation m
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Starting a Kickstart Installation u
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Chapter 29. Kickstart Configurator
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Boot Loader Options Figure 29.2. In
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Partition Information preserving th
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Creating Partitions Figure 29.5. Cr
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Network Configuration After creatin
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Firewall Configuration Figure 29.9.
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SELinux Configuration on port 1234
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Package Selection After configuring
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Pre-Installation Script Figure 29.1
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Chroot Environment Figure 29.16. Po
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Saving the File Figure 29.17. Previ
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Chapter 30. Boot Process, Init, and
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The Kernel following format — /bo
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The /sbin/init Program K45named ->
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Running Additional Programs at Boot
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Shutting Down 4.2. Runlevel Utiliti
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Chapter 31. PXE Network Installatio
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Command Line Configuration The next
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Performing the PXE Installation Aft
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