Get started with system
administration
Linux is the operating system
that has more network card drivers than video card drivers. Linux was made for network. Today Linux
powers most of the world’s servers, whether on the internet or an intranet. One
of the core competencies of Linux, which has made it perfect for running
servers and services, is its system administration features. These aren’t just
useful for servers in multimillion-pound companies, but even if you’re using
Linux at home. They give you a very smart and efficient way to control and
optimize your system to your exact requirements. This article is designed to teach
you about Linux system administration from a beginner’s point of view. Most of
the tasks we will cover can be carried out by readers who are relatively new to
‘getting their hands dirty’, but we’ll also cover a good few advanced tips for those
who want to delve a little bit deeper.
Advanced
Tip: If
your are looking for single sign-on for the applications and services, you should
look into Linux pluggable authentication modules (PAM). PAM provides a plug-in
like architecture to develop authentication back-ends. There are many PAM
modules in existence, such as FTP, openPGP smartcars etc. You can see the
complete list of available modules at www.linux-pam.org/modules.html. This will
save you a lots of time creating individual users and your users will enjoy the
freedom of using their existence credentials instead of remembering new ones.
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