Intermediate widgets with Perl/Tk module, Part 2 - Linux tutorial

Category: Linux tutorials > Linux and other OS - Difficulty:

how to test if a file exists and its group is the effective group id in a korn shell script

General advices regarding security of a Linux, FreeBSD, OpenBSD, NetBSD and generaly Unix. Linux is more vulnerable because some distros have activated many services in default installation so you must disable services you do not need.

The pervasiveness of the Internet has led to more and more opportunities for your company's servers to be attacked from without. Part-time Linux admins, never fear. Our updated network security basics document will get you well on your way to locking your system down.

SCENARIO: A friend of mine had a problem, he has a home network similar to mine and a Wireless Access Point (AP) that he wanted to use since mobility is everything. We sat down and designed his network and then wrote an iptables script for his setup.What follows is a more or less picture so you get the idea what the system / network looked like:

You can now evaluate Rational Software Architect V7.0 without installing or configuring it on your own system! IBM Rational Software Architect is an advanced model-driven development and static analysis tool for software architects and model-driven developers who are creating SOA, J2EE and portal applications.