Red Hat ENTERPRISE LINUX AS 2.1 - Guida di Installazione Scaricare il pdf (Pagina 13)

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 redhat.parm (repl

• quit

You may now create the parameter ﬁle (for example, redhat.parm). Refer to

Appendix B Sample Parameter Files for sample parm ﬁles. Below is an explanation of the parm ﬁle

contents.

There is a limit of 32 total parameters in the parameter ﬁle. In order to accommodate limitations

with parameter ﬁles, a new conﬁguration ﬁle on a CMS DASD should be used to conﬁgure the initial

network setup and the DASD speciﬁcation.

A .parm ﬁle is still required for the real kernel parameters, such as root=/dev/ram0 ro

ip=off ramdisk_size=40000, and single parameters which are not assigned to variables,

such as vnc. Two new parameters which point the installation program at the new conﬁguration ﬁle

need to be added to the .parm ﬁle:

CMSDASD=191 CMSCONFFILE=redhat.conf

CMSDASD is the device ID of the CMS formatted DASD which contains the conﬁguration ﬁle.

CMSDASD is usually the ’$HOME’ DASD 191 of the mainframe user. The name of the conﬁguration

ﬁle must be set with CMSCONFFILE and needs to be all lowercase.

The syntax of the CMSCONFFILE is bash style with variable="value" pairs, one on each line.

Example redhat.parm ﬁle:

root=/dev/ram0 ro ip=off ramdisk_size=40000

CMSDASD=191 CMSCONFFILE=redhat.conf

vnc

Example redhat.exec ﬁle:

/* */

’cl rdr’

’purge rdr all’

’spool punch * rdr’

’PUNCH KERNEL IMG A (NOH’

’PUNCH REDHAT PARM A (NOH’

’PUNCH INITRD IMG A (NOH’

’ch rdr all keep nohold’

’i 00c’

Example redhat.conf ﬁle:

HOSTNAME="foobar.zSeries.example.com"

DASD="200-203"

NETTYPE="qeth"

IPADDR="192.168.17.115"

SUBCHANNELS="0.0.0600,0.0.0601,0.0.0602"

PORTNAME="FOOBAR"

NETWORK="192.168.17.0"

NETMASK="255.255.255.0"

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