Red Hat LINUX VIRTUAL SERVER 4.6 - ADMINISTRATION Instrukcja Instalacji Pobierz pdf (Strona 220)

200 z/VM and Linux on IBM System z: The Virtualization Cookbook for Red Hat Enterprise Linux 6.0

12.1 Registering your system with RHN

This section assumes you have already obtained a valid entitlement for RHEL 6 on IBM

System z, or have completed the steps to obtain an evaluation copy. To receive a no cost

90-day evaluation, go to the following address:

http://www.redhat.com/z

Select the Free Evaluation link under the Try section on the left and create an account if you

do not already have one. After completing the form, you receive an email in a short while with

the activation instructions.

12.2 Installing and updating packages using yum

You may choose to perform these steps first on a clone, such as LINUX01, and then later on

the golden image. In this fashion, you can test the process on an appliance that can be

discarded, and later when all is tested and working, update the golden image so that all

clones created thereafter are enabled for RHN.

Before using the yum command for the first time, you must import the Red Hat GPG key and

name, password, and host name of the Linux guest:

# rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release

# rhnreg_ks --username=myuser --password=mypw

--profilename=linux01.endicott.ibm.com

Now that your system is registered with RHN, you can use the yum command to keep the

system updated. You can download and install the latest version of a package by running yum

with the RPM package name. You can also specify multiple packages on the command line

separated by spaces. The yum install command installs the package if it is not present, and

the yum upgrade command updates to the latest version if it is already installed. If a package

has any dependencies, yum automatically downloads and installs them for you.

Update the cpp package to get the latest security fixes:

# rpm -q cpp

cpp-4.1.1-30

# yum upgrade cpp

Loading "rhnplugin" plugin

Loading "installonlyn" plugin

Setting up Upgrade Process

Setting up repositories

rhel-s390x-server-5-beta 100% |=========================| 950 B 00:00

...

=============================================================================

Package Arch Version Repository Size

=============================================================================

Updating:

cpp s390x 4.1.1-43.el5 RHEL5 2.6 M

Transaction Summary

=============================================================================

Install 0 Package(s)

Update 1 Package(s)

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