Red Hat ENTERPRISE LINUX AS 2.1 - Przewodnik Instalacji Pobierz pdf (Strona 11)

Chapter 1. Steps to Get You Started 3

• Note that the Release Notes are not included in the RedHat directory. Unless they are speciﬁcally

copied over, the Release Notes will not be available during your installation of Red Hat Enterprise

Linux. The Release Notes are formatted in HTML ﬁles located at the root of the disc. Copy the ﬁles

to your installation directory. For example:

cp /mnt/cdrom/RELEASE-NOTES*.html /location/of/disk/space/

The Release Notes are also available online from http://www.redhat.com/docs/.

• Next, make /location/of/disk/space/ available for network installation via NFS, FTP, or

HTTP and verify access from a client system.

• For NFS, export the directory by adding an entry to /etc/exports to export to a speciﬁc system:

/location/of/disk/space client.ip.address(ro,no_root_squash)

To export to all machines (not appropriate for all NFS systems), add:

/location/of/disk/space *(ro,no_root_squash)

Start the NFS daemon (on a Red Hat Enterprise Linux machine, use /sbin/service nfs

start). If NFS is already running, reload the conﬁguration ﬁle (on a Red Hat Enterprise Linux

system, use /sbin/service nfs reload).

Be sure to test the NFS share following the directions in the Red Hat Enterprise Linux System

Administration Guide.

If the RedHat/ directory does not appear in the NFS shared directory, the wrong path may have

been mounted and/or exported.

• FTP and HTTP installations also support a second type of tree structure. To make it easier to access

the contents of the installation CD-ROMs, mount each CD-ROM or ISO image with the following

mount point on the FTP or HTTP server (where X is the number of the CD-ROM or ISO image):

/location/of/disk/space/discX/

For example:

mount -o loop CD1.iso /location/of/disk/space/disc1/

1.3.1. Using ISO Images for NFS Installs

NFS installations can use ISO (or CD-ROM) images rather than copying an entire installation tree.

After placing the required ISO images (the binary Red Hat Enterprise Linux CD-ROMs) in a directory,

choose to install via NFS. You will then point the installation program at that directory to perform the

installation.

Verifying that the ISO images are intact before you attempt an installation will help to avoid problems

that are often encountered during an NFS installation. To verify the ISO images are intact prior to

performing an installation, use an md5sum program (many md5sum programs are available for various

operating systems). An md5sum program should be available on the same server as the ISO images.

Additionally, if a ﬁle called updates.img exists in the directory from which you install, then it will

be used for installation program updates. Refer to the ﬁle install-methods.txt in the anaconda

RPM package for detailed information on the various ways to install Red Hat Enterprise Linux, as

well as how to apply the installation program updates.

Note

You can only have the ISO images for one release and one variant of Red Hat Enterprise Linux in the

directory.

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Red Hat ENTERPRISE LINUX AS 2.1 - Przewodnik Instalacji Strona 11