A. Removing Red Hat Enterprise Linux......................................................................................... 37
B. Sample Parameter Files ............................................................................................................... 39
C. Upgrading Your Current System................................................................................................ 43
C.1. Determining Whether to Upgrade or Re-Install .............................................................. 43
C.2. Upgrading Your System .................................................................................................. 44
C.3. Upgrading Packages ........................................................................................................ 44
C.4. Upgrade Complete........................................................................................................... 44
D. Troubleshooting Your Installation of Red Hat Enterprise Linux ............................................ 45
D.1. You are Unable to Boot Red Hat Enterprise Linux......................................................... 45
D.1.1. Is Your System Displaying Signal 11 Errors?.................................................. 45
D.2. Trouble During the Installation ....................................................................................... 45
D.2.1. No devices found to install Red Hat Enterprise Linux Error Message
45
D.2.2. Trouble with Partition Tables........................................................................... 45
D.2.3. Other Partitioning Problems............................................................................. 45
D.2.4. Are You Seeing Python Errors? ....................................................................... 46
D.3. Problems After Installation ............................................................................................. 47
D.3.1. Remote Graphical Desktops and XDMCP....................................................... 47
D.3.2. Problems When You Try to Log In .................................................................. 47
D.3.3. Your Printer Does Not Work ............................................................................ 48
D.3.4. Apache-based httpd service/Sendmail Hangs During Startup ...................... 48
E. Additional Boot Options .............................................................................................................. 49
F. Additional Information for S/390 and zSeries Users................................................................. 51
F.1. The sysfs File System.................................................................................................... 51
F.2. Using the zFCP Driver ..................................................................................................... 52
F.3. Using mdadm to Configure RAID-Based and Multipath Storage .................................... 55
F.3.1. Creating a RAID Device With mdadm .............................................................. 55
F.3.2. Creating a Multipath Device With mdadm ........................................................ 56
F.4. Configuring IPL from a SCSI Device .............................................................................. 57
F.4.1. IPL the SCSI Disk............................................................................................. 57
F.5. Adding DASD.................................................................................................................. 58
F.6. Adding a Network Device................................................................................................ 62
F.6.1. Adding a qeth Device ...................................................................................... 62
F.6.2. Quick Reference for Adding Network Devices ................................................ 66
F.7. Kernel-Related Information ............................................................................................. 71
Index................................................................................................................................................... 73
Colophon............................................................................................................................................ 77
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