Depending upon the distribution you choose, a Linux server may
cost little or even nothing at all.
The cool thing about Linux servers is that you don??™t necessarily have to use a
special version of Linux. Almost any distribution can be configured to provide
network services (and perform that service extremely well). In fact, the server in my
office runs on SUSE Linux 10.0, which is not specifically designed to be a network
server. However, because of the robust nature of Linux, it works great.
If you are going to deploy Linux as a server in a larger organization, then you may
want to consider using a distribution specifically optimized to function in the server
role. Red Hat offers the Red Hat Enterprise Server AS and ES distributions that have
a proven track record as enterprise-class servers. Likewise, Novell offers the SUSE
Linux Enterprise Server (SLES) distribution that is also optimized for the server role.
Finally, Linux can also be used as a firewall. Let??™s discuss this next.
Linux as a Firewall
In today??™s networked world, you must be constantly vigilant against threats coming
into your network from the outside. Most organizations implement network firewalls
to protect their internal computer network from threats on the external public
network (such as the Internet).
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