388 Part III . Choosing and Installing a (Web site template)
388 Part III . Choosing and Installing a Linux Distribution processors. Optimized Linux kernels are also available with Gentoo for different specific processors within each architecture. Some of the ports are still works in progress, so for the time being you will probably get the best experience using an x86 platform to run Gentoo. To explore Gentoo, it s more appropriate to start with the tools for getting what you want than it is to talk about what you end up with. If you build Gentoo tuned to your hardware and include just the software that you need, your system isn t going to look like any other Gentoo system. Managing Software with Portage At the heart of Gentoo is the Portage software management system. Based on the FreeBSD Ports system, Portage enables you to find, download, configure, build, and install the exact software you choose. Using the Portage system can give you some excellent insights into how Linux is created. As Daniel Robbins says, . . . we are documenting how to build a Linux system at the same time we are moving Gentoo Linux development forward. Those developing software are encouraged not only to contribute their software to the Gentoo project but also to contribute the scripts they use to build that software. Portage tools and build scripts open up Linux technology beginning at the source-code level. Key components of the Portage package management system include the emerge command and the package build scripts (contained in the /usr/portage directory). You can use these tools to build the entire Gentoo distribution from scratch, or rely on some prebuilt binaries to save some compile time. In most cases, you won t have to modify any configuration files to get a solid Gentoo installation. Following are some examples of the emerge command that you can use with Gentoo. To use some of the examples, you need to either have a connection to the Internet or have downloaded all package updates to your local computer. When the emerge command is run to install software or to get updated software packages, it looks on a Gentoo mirror site if it can t find the packages it needs locally. The first example lets you search (-s) the /usr/portage directory tree for packages that interest you (substitute the package name you want for package): # emerge -s package To build and install a package you choose, simply type emerge with the package name: # emerge package
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