Red Hat NETWORK 3.6 - Informations techniques télécharger pdf (Page 105)

Chapter 6. Red Hat Network Website 93

Important

Although ﬁle preservation is useful, it does have limitations. First, each list is limited to a total size of

1 MB. Further, special devices like /dev/hda1 and /dev/sda1 are not supported. Finally, only actual

ﬁle and directory names may be entered. No regular-expression wildcards can be included.

When ﬁnished, you may include the ﬁle preservation list in the kickstart proﬁle to be used on systems

containing those ﬁles. Refer to Section 6.4.10.3 Creating Kickstarts for precise steps.

6.4.10.11. Building Bootable Kickstart ISOs

Copy the contents of /isolinux from the ﬁrst CD-ROM of the target distribution. Then edit the

isolinux.cfg ﬁle to default to ’ks’. Change the ’ks’ section to look like this:

label ks

kernel vmlinuz

append text ks={url} initrd=initrd.img lang= devfs=nomount ramdisk_size=16438 \

{ksdevice}

The URL can be obtained from the Kickstart Details page. It will look something like this:

http://my.sat.server/kickstart/ks/org/1271287x2c4682f33b87ed1d4dbea8/label/my-rhel3-as-ks

IP addressed-based kickstart URLs will look something like this:

http://my.sat.server/kickstart/ks/mode/ip_range

The kickstart distribution selected by the IP range should match the distribution you are building from,

or errors will occur. {ksdevice} is optional, but looks like:

ksdevice=eth0

It is possible to change the distribution for a kickstart proﬁle within a family, such as RHEL AS3 to

RHEL ES3, by specifying the new distribution label. Note that you cannot move between versions

(2.1 to 3) and between updates (U1 to U2).

Next, you may customize isolinux.cfg further for your needs, such as by adding multiple kickstart

options, different boot messages, shorter timeout periods, etc.

Then make the ISO, as described in the Making an Installation Boot CD-ROM section of the Red Hat

Enterprise Linux 3 Installation Guide. Or by issuing the command:

mkisofs -o file.iso -b isolinux.bin -c boot.cat -no-emul-boot -boot-load-size 4 \

-boot-info-table -R -J -v -T isolinux/

Note that isolinux/ is the relative path to the directory containing the isolinux ﬁles you got from

the distribution cd, while file.iso is the output iso ﬁle, put into the current directory.

You may then burn the ISO to CD-ROM. To use the disc (assuming you left the label for the kickstart

boot as ’ks’), you should boot and type "ks" at the prompt. When you hit enter, the kickstart should

begin.

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Red Hat NETWORK 3.6 - Informations techniques Page 105