364 Part III . Choosing and Installing a (Yahoo web hosting)
364 Part III . Choosing and Installing a Linux Distribution Updating Yellow Dog Linux Yellow Dog Updated, Modified (yum) is included with Yellow Dog and ships with Fedora, Mandrake, and other Linux distributions as well. It s a utility that enables you to update your system packages to the latest available version. Because new security vulnerabilities are released on all operating systems frequently, updating your system packages regularly is essential. Updating your packages also gives you the newest features available for the applications you are using. Here are some of the most widely used options available with yum (replace package with name of package): Option Description yum list Shows all the packages available to be installed (but not installed). yum list installed Shows installed packages. yum list updates Shows all installed packages that have updates (patches) available. yum install package Installs the package you identify in package. yum update package Updates the package you identify in package. The great thing about this is it installs all package dependencies, which used to be a major headache when administering patches. yum update Updates all packages on the system. (Same as preceding option but does not specify package name.) yum remove package Removes the package identified in package. yum info package Provides detailed information on the package identified in package. Using this information, assume that you want to run gimp GNU Image Manipulation Project (GIMP) is a very popular graphics editing program and you haven t installed it previously. If you want to get more information on it, you d run: yum info gimp If you decide you want to install it: yum install gimp If an update becomes available a week later and you want to patch it: yum update gimp
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