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SUSE LINUX Documentation - Index of

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2.11.3 Starting the Individual Modules<br />

To save time, the individual YaST modules can be started directly. To start a module,<br />

enter:<br />

yast <br />

View a list <strong>of</strong> all module names available on your system with yast -l or yast<br />

--list. Start the network module, for example, with yast lan.<br />

2.12 Update from the Command Line<br />

<strong>SUSE</strong> Linux comes with a new command line tool for installing and updating packages,<br />

rug. It works with the rcd daemon to install, update, and remove s<strong>of</strong>tware according to<br />

the commands given. It can install s<strong>of</strong>tware from local files or from servers. You may<br />

use one or more remote servers, known as services. Supported services are mount for<br />

local files and yum or ZENworks for servers.<br />

rug sorts s<strong>of</strong>tware from services into catalogs (also known as channels), groups <strong>of</strong><br />

similar s<strong>of</strong>tware. For example, one catalog might contain s<strong>of</strong>tware from an update<br />

server and another some s<strong>of</strong>tware from a third-party s<strong>of</strong>tware vendor. Subscribe to individual<br />

catalogs to control the display <strong>of</strong> available packages and prevent the accidental<br />

installation <strong>of</strong> unwanted s<strong>of</strong>tware. Operations are normally performed only on s<strong>of</strong>tware<br />

from catalogs to which you are subscribed.<br />

The most commonly used command is rug update, which downloads and installs<br />

patches in catalogs to which you are subscribed. If you only want to update s<strong>of</strong>tware,<br />

this is the only command you need. To obtain a list <strong>of</strong> all packages from one catalog,<br />

use rug pa catalogname. Replace catalogname with name <strong>of</strong> your catalog.<br />

To list all available services, use rug sl. Some other useful rug commands and their<br />

functions are shown in Table 2.1, “rug Commands” (page 76).<br />

Table 2.1 rug Commands<br />

Command<br />

ca<br />

76 Start-Up<br />

Function<br />

List the catalogs

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