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

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Chapter 14. Troubleshooting Installation on an IBM POWER System id:5:initdefault: When you are satisfied with your change, save and exit the file using the Ctrl-Q keys. A window appears and asks if you would like to save the changes. Click Save. The next time you log in after rebooting your system, you are presented with a graphical login prompt. 4.3. Problems with the X Window System (GUI) If you are having trouble getting X (the X Window System) to start, you may not have installed it during your installation. If you want X, you can either install the packages from the Red Hat Enterprise Linux CD-ROMs or perform an upgrade. If you elect to upgrade, select the X Window System packages, and choose GNOME, KDE, or both, during the upgrade package selection process. 4.4. Problems with the X Server Crashing and Non-Root Users If you are having trouble with the X server crashing when anyone other than root logs in, you may have a full file system (or, a lack of available hard drive space). To verify that this is the problem you are experiencing, run the following command: df -h The df command should help you diagnose which partition is full. For additional information about df and an explanation of the options available (such as the -h option used in this example), refer to the df man page by typing man df at a shell prompt. A key indicator is 100% full or a percentage above 90% or 95% on a partition. The /home/ and /tmp/ partitions can sometimes fill up quickly with user files. You can make some room on that partition by removing old files. After you free up some disk space, try running X as the user that was unsuccessful before. 4.5. Problems When You Try to Log In If you did not create a user account in the Setup Agent, log in as root and use the password you assigned to root. If you cannot remember your root password, boot your system as linux single. Once you have booted into single user mode and have access to the # prompt, you must type passwd root, which allows you to enter a new password for root. At this point you can type shutdown -r now to reboot the system with the new root password. 156
Your Printer Does Not Work If you cannot remember your user account password, you must become root. To become root, type su - and enter your root password when prompted. Then, type passwd . This allows you to enter a new password for the specified user account. If the graphical login screen does not appear, check your hardware for compatibility issues. The Hardware Compatibility List can be found at: http://hardware.redhat.com/hcl/ 4.6. Your Printer Does Not Work If you are not sure how to set up your printer or are having trouble getting it to work properly, try using the Printer Configuration Tool. Type the system-config-printer command at a shell prompt to launch the Printer Configuration Tool. If you are not root, it prompts you for the root password to continue. 4.7. Apache-based httpd service/Sendmail Hangs During Startup If you are having trouble with the Apache-based httpd service or Sendmail hanging at startup, make sure the following line is in the /etc/hosts file: 127.0.0.1 localhost.localdomain localhost 157
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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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Message ...........................
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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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Chapter 5. Removing Red Hat Enterpr
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Chapter 6. Troubleshooting Installa
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Saving Traceback Messages Without a
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Diskette Drive in run rc = self.tod
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Problems with the X Window System (
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Your Printer Does Not Work In /boot
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Chapter 7. Driver Media for Intel a
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Using a Driver Image During Install
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Chapter 8. Additional Boot Options
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Chapter 9. The GRUB Boot Loader cap
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Chapter 9. The GRUB Boot Loader 4.
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Chapter 9. The GRUB Boot Loader The
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Chapter 9. The GRUB Boot Loader •
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Chapter 9. The GRUB Boot Loader # s
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Chapter 9. The GRUB Boot Loader For
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Chapter 17. Installing on IBM Syste
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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 21. Troubleshooting Install
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Chapter 21. Troubleshooting Install
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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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