Red Hat NETWORK 3.1 - MANAGEMENT Reference Manual

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Chapter 4. Red Hat Network Website 63the Downloads tab of the Channel Details page. This feature is available only to paid RHN sub-scribers.To download an ISO image, Red Hat recommends copying its URL and using either curl or wget.Click the help on using curl or wget link for precise instructions. To obtain the URL, right-click onthe disc link and select to open the link in a new window or tab. You may then cancel the download,copy the lengthy URL from the location bar, and paste it into the curl or wget command.Once downloaded, either burn the images to CD-Rs or CD-RWs or copy them to the machinefor direct installation. Refer to http://www.redhat.com/download/howto_download.html foradditional download instructions and steps to burn images to discs. Refer to the operating system’srespective installation guide for instructions on installing from CD-ROM or hard drive, available athttp://www.redhat.com/docs/.ISOs can be further broken down by their relevance to your systems. Two such lists emerge: Relevantand All.4.6.3.1. Relevant ISOsThe Relevant ISOs page is shown by default when you click Easy ISOs in the left navigation bar.It displays a list of ISOs by channel now associated with your systems. Links within this list go tothe Downloads tab of the Channel Details page. Refer to Section 4.6.3 Easy ISOs for instructions onuse.4.6.3.2. All ISOsThe All ISOs page can be retrieved by clicking All below Easy ISOs in the left navigation bar. Itworks identically to the Relevant button with one exception; It displays all ISOs available to youthrough Red Hat Network, regardless of whether you have systems associated with the related chan-nels. Refer to Section 4.6.3 Easy ISOs for instructions on use.4.6.4. RPM SearchThe RPM Search page allows you to search through packages using various criteria. You may searchby name or name and summary, within relevant or all channels, or within specific architectures. Typeyour keyword, select the criterion to search by, and click the Search button. The results appear at thebottom of the page.4.6.5. Software PackagesA software package is the smallest essential ingredient of any Red Hat Linux system. Packages, com-monly known as RPMs because of their oversight by RPM Package Manager, are the pieces of soft-ware that, when installed, enable your system to operate. Packages are grouped by channels to helpyou more easily determine which are applicable to your systems.These packages can be retrieved in one of two ways: by direct install or through download.4.6.5.1. Software Package InstallOnly software packages included in a system’s subscribed channels can be installed or updated onthat system.