Red Hat ENTERPRISE LINUX AS 2.1 - Guida di Installazione

Red Hat Enterprise Linux 4Installation Guide for the IBM®S/390® and IBM® eServer™zSeries® Architectures

2 Chapter 1. Steps to Get You StartedAfter the installation, more DASD or SCSI (for zSeries only) disk partitions may be added or deletedas necessary.

Chapter 1. Steps to Get You Started 3• Note that the Release Notes are not included in the RedHat directory. Unless they are specificallycopied over, t

4 Chapter 1. Steps to Get You Started1.4. Preparing for a Hard Drive InstallationNoteDASD installations only work from ext2 or ext3 file systems. If yo

Chapter 1. Steps to Get You Started 5• cd /location/of/boot/images/• locsite fix 80• bin• get kernel.img (repl• get initrd.img (repl• ascii• get redha

6 Chapter 1. Steps to Get You StartedBROADCAST="192.168.17.255"SEARCHDNS="example.com:zSeries.example.com"GATEWAY="192.168.17

Chapter 1. Steps to Get You Started 7• NETTYPE=<type>Where <type> must be one of the following: ctc, iucv, lcs, or qeth.• IPADDR=<IP>

8 Chapter 1. Steps to Get You Started• <SCSI_LUN> refers to the local SCSI logical unit value and is specified as a hex-value, typi-cally sequent

Chapter 1. Steps to Get You Started 91.6. Installing in an LPAR using the Red Hat Enterprise LinuxLPAR CDThe following steps must be taken when instal

10 Chapter 1. Steps to Get You Started1.8. Installing in an LPAR (Common Steps)Once the Red Hat Enterprise Linux installation program has started (if

Chapter 2.Installing Red Hat Enterprise LinuxThis chapter explains how to perform a Red Hat Enterprise Linux installation using the graphical,mouse-ba

Red Hat Enterprise Linux 4: Installation Guide for the IBM® S/390® and IBM® eS-erver™ zSeries® ArchitecturesCopyright © 2005 Red Hat, Inc.Red Hat, Inc

12 Chapter 2. Installing Red Hat Enterprise LinuxFigure 2-1. Installation Program Widgets as seen in Boot Loader ConfigurationFigure 2-2. Installation

Chapter 2. Installing Red Hat Enterprise Linux 13than can be displayed in the space reserved for it, a scroll bar appears; if you position the cursorw

14 Chapter 2. Installing Red Hat Enterprise Linuxthe graphical installation offers more package selection details and other options not available inte

Chapter 2. Installing Red Hat Enterprise Linux 15After you have identified the disk partition, the Welcome dialog appears.2.5. Installing via NFSThe NF

16 Chapter 2. Installing Red Hat Enterprise LinuxFigure 2-4. FTP Setup DialogEnter the name or IP address of the FTP site you are installing from, and

Chapter 2. Installing Red Hat Enterprise Linux 17Figure 2-5. HTTP Setup DialogNext, the Welcome dialog appears.TipYou can save disk space by using the

18 Chapter 2. Installing Red Hat Enterprise Linux2.10. Language SelectionUsing your mouse, select a language to use for the installation (refer to Fig

Chapter 2. Installing Red Hat Enterprise Linux 19WarningThe Red Hat Update Agent downloads updated packages to /var/spool/up2date/ by default.If you p

20 Chapter 2. Installing Red Hat Enterprise Linux2.12. Automatic PartitioningAutomatic partitioning allows you to have some control concerning what da

Chapter 2. Installing Red Hat Enterprise Linux 21for you in Disk Druid appear. You can make modifications to these partitions if they do not meet yourn

Table of ContentsIntroduction...

22 Chapter 2. Installing Red Hat Enterprise Linux2.13.2. Disk Druid’s ButtonsThese buttons control Disk Druid’s actions. They are used to change the a

Chapter 2. Installing Red Hat Enterprise Linux 23• The amount of physical RAM is installed on the machine.• The version of the OS.Swap should equal 2x

24 Chapter 2. Installing Red Hat Enterprise LinuxFigure 2-10. Network ConfigurationThe installation program automatically detects any network devices y

Chapter 2. Installing Red Hat Enterprise Linux 25Figure 2-11. Editing a Network DeviceNoteDo not use the numbers as seen in this sample configuration.

26 Chapter 2. Installing Red Hat Enterprise Linux2.15. Firewall ConfigurationRed Hat Enterprise Linux offers firewall protection for enhanced system sec

Chapter 2. Installing Red Hat Enterprise Linux 27Remote Login (SSH)Secure Shell (SSH) is a suite of tools for logging in to and executing commands on

28 Chapter 2. Installing Red Hat Enterprise Linux• Active — Select Active if you want SELinux to act in a fully active state. The Active state enforce

Chapter 2. Installing Red Hat Enterprise Linux 29Figure 2-13. Language Support SelectionTo use more than one language on your system, choose specific l

30 Chapter 2. Installing Red Hat Enterprise LinuxFigure 2-14. Configuring the Time ZoneSelect System Clock uses UTC if you know that your system is set

Chapter 2. Installing Red Hat Enterprise Linux 31Figure 2-15. Root PasswordUse the root account only for system administration. Create a non-root acco

A. Removing Red Hat Enterprise Linux... 37B. Sample Parameter Fi

32 Chapter 2. Installing Red Hat Enterprise LinuxNoteDo not use one of the example passwords offered in this manual. Using one of these passwordscould

Chapter 2. Installing Red Hat Enterprise Linux 33Figure 2-16. Package Group SelectionSelect each component you wish to install. Selecting Everything (

34 Chapter 2. Installing Red Hat Enterprise Linux2.20. Preparing to InstallA screen preparing you for the installation of Red Hat Enterprise Linux now

Chapter 2. Installing Red Hat Enterprise Linux 352.23. Activate Your SubscriptionBefore you can access service and software maintenance information, a

36 Chapter 2. Installing Red Hat Enterprise Linux• /usr/bin/up2date --register

Appendix A.Removing Red Hat Enterprise LinuxTo remove Red Hat Enterprise Linux from the S/390 you can either remove the DASD allocation fromthe VM or

38 Appendix A. Removing Red Hat Enterprise Linux

Appendix B.Sample Parameter FilesThe IBM S/390(R) and IBM eServer zSeries(R) architectures use a special parameter file to set upnetworking before the

40 Appendix B. Sample Parameter FilesTo force a specific CTC protocol, additional parameters can be added. For example:CTCPROT=<n>where <n>

Appendix B. Sample Parameter Files 41SEARCHDNS=<domain1>:<domain2>:...:<domainN>Where <domain1>:<domain2>:...:<domain

IntroductionWelcome to the Red Hat Enterprise Linux Installation Guide. This guide contains useful informationto assist you during the installation of

42 Appendix B. Sample Parameter Files

Appendix C.Upgrading Your Current SystemThis appendix explains the various methods available for upgrading your Red Hat Enterprise Linuxsystem.C.1. De

44 Appendix C. Upgrading Your Current Systemlems. Otherwise, the upgrade procedure takes care of these dependencies, but it may need to installadditio

Appendix D.Troubleshooting Your Installation of Red HatEnterprise LinuxThis appendix discusses some common installation problems and their solutions.D

46 Appendix D. Troubleshooting Your Installation of Red Hat Enterprise LinuxD.2.3. Other Partitioning ProblemsIf you are using Disk Druid to edit part

Appendix D. Troubleshooting Your Installation of Red Hat Enterprise Linux 47If you experience such an error, first try to download any available errata

48 Appendix D. Troubleshooting Your Installation of Red Hat Enterprise LinuxD.3.2. Problems When You Try to Log InIf you did not create a user account

Appendix E.Additional Boot OptionsThis appendix discusses additional boot and kernel boot options available for the Red Hat EnterpriseLinux installati

50 Appendix E. Additional Boot Optionsvncpassword=This command sets the password used to connect to the VNC server.

Appendix F.Additional Information for S/390 and zSeriesUsersF.1. The sysfs File SystemThe Linux 2.6 kernel introduces the sysfs file system. The sysfs

ii Introductiontext found on a GUI interfaceA title, word, or phrase found on a GUI interface screen or window is shown in this style. Textshown in th

52 Appendix F. Additional Information for S/390 and zSeries UsersF.2. Using the zFCP DriverDuring the initial installation, you are prompted to enter

Appendix F. Additional Information for S/390 and zSeries Users 53detach_state failed scsi_id unit_add wwnn# cat /sys/bus/ccw/drivers/zfcp/0.0.010a/scs

54 Appendix F. Additional Information for S/390 and zSeries Users./kernel/drivers/s390/cio/qdio.ko ./kernel/drivers/s390/scsi/zfcp.ko./kernel/drivers/

Appendix F. Additional Information for S/390 and zSeries Users 55F.3. Using mdadm to Configure RAID-Based and MultipathStorageSimilar to other tools co

56 Appendix F. Additional Information for S/390 and zSeries UsersUpdate Time : Mon Mar 1 13:49:10 2004State : dirty, no-errorsActive Devices : 4Workin

Appendix F. Additional Information for S/390 and zSeries Users 57The configuration of /dev/md0 can be examined more closely using the command mdadm --d

58 Appendix F. Additional Information for S/390 and zSeries UsersReady; T=0.01/0.01 15:47:56IPL the SCSI disk using the FCP device defined to the guest

Appendix F. Additional Information for S/390 and zSeries Users 59-rw-r--r-- 1 root root 4096 Aug 25 17:04 detach_state-r--r--r-- 1 root root 4096 Aug

60 Appendix F. Additional Information for S/390 and zSeries Users30040 blocks (5.00%) reserved for the super userFirst data block=019 block groups3276

Appendix F. Additional Information for S/390 and zSeries Users 61# mkinitrd -v initrd-2.6.7-1.451.2.3.img 2.6.7-1.451.2.3Looking for deps of module id

Introduction iiiThe directory for the kernel source is /usr/src/<version-number>/, where<version-number> is the version of the kernel inst

62 Appendix F. Additional Information for S/390 and zSeries UsersAdding #1: IPL section ’linux’ (default)kernel image...: /boot/vmlinuz-2.6.7-1.451

Appendix F. Additional Information for S/390 and zSeries Users 63In the following example, read_device_bus_id is 0.0.0600, write_device_bus_id is0.0.0

64 Appendix F. Additional Information for S/390 and zSeries Users• card_type• checksumming• chpid• detach_state• fake_broadcast• fake_ll• ipa_takeover

Appendix F. Additional Information for S/390 and zSeries Users 65Modify the NETMASK statement as needed.If you want your new interface to be activated

66 Appendix F. Additional Information for S/390 and zSeries Users# routeKernel IP routing tableDestination Gateway Genmask Flags Metric Ref Use Iface1

Appendix F. Additional Information for S/390 and zSeries Users 67For more information about configuration of the LCS driver, refer to the following:htt

68 Appendix F. Additional Information for S/390 and zSeries Users# modprobe qeth• Create the group device:# echo <read_device_bus_id>,<write_

Appendix F. Additional Information for S/390 and zSeries Users 69F.6.2.3. Working With the CTC Device DriverA Channel-to-Channel (CTC) connection is t

70 Appendix F. Additional Information for S/390 and zSeries UsersSUBCHANNELS=0.0.1b00,0.0.1b01NETTYPE=ctcCTCPROT=0TYPE=CTC• Activate the device.Based

Appendix F. Additional Information for S/390 and zSeries Users 71• Create a configuration script.Create a file in /etc/sysconfig/network-scripts/ with a

iv IntroductionIf you are an experienced user and you do not need a review of the basics, you can skip ahead toChapter 2 Installing Red Hat Enterprise

72 Appendix F. Additional Information for S/390 and zSeries UsersNoteDisabling periodic timer interrupts can violate basic assumptions in system accou

IndexSymbols/boot/, 23/boot/ partitionrecommended partitioning, 22/root/install.loginstall log file location, 34/var/ partitionrecommended partitioning

74installingwithout the LPAR CDusing a recent SEW, 9without the Red Hat Enterprise Linux for S/390CD-ROMs, 9installing packages, 32introduction, iIPL

75SSCSI-over-fiber driver (zFCP), 52security levelsfirewall configuration, 26SELinux, 27selectingpackages, 32SELinuxsecurity levels, 27stepsdisk space, 1

ColophonThe manuals are written in DocBook SGML v4.1 format. The HTML and PDF formats are producedusing custom DSSSL stylesheets and custom jade wrapp

78Nadine Richter — German translationsAudrey Simons — French translationsFrancesco Valente — Italian translationsSarah Wang — Simplified Chinese transl

Chapter 1.Steps to Get You StartedThe installation process assumes a basic familiarity with the IBM S/390 and IBM eServer zSeriesplatforms. For additi