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Linux

How to catch Linux system intruders

Post date: September 22, 2008, 13:09 Category: Security Views: 4115 Comments
Tutorial quote: Secure your Linux box by locking it down and posting a guard to watch for intruders.
Unix+clones

Create your own init.d scripts

Post date: November 11, 2007, 05:11 Category: System Views: 7537 Comments
Tutorial quote: Have a Linux executable that you would like to run as a daemon? Making your own init.d scripts can be a bit tricky, but I can help you out.

The directory /etc/init.d/ is a location on a Linux file system that contains scripts for changing init states.

For details on Linux run levels look here.

The run levels that are most important to us are 2, 3 and 5.

VERY basic sample init.d script (Replace italics respectively):
Linux

How to suspend and hibernate a laptop under Linux

Post date: June 7, 2006, 20:06 Category: Hardware Views: 4710 Comments
Tutorial quote: Many people prefer working with laptops instead of desktops for the flexibility they offer. Some of them would also like to switch to a free and open source operating system like GNU/Linux and have their laptop do all the things that proprietary OSes offer, such as suspending their laptops. Several distributions try to make this work out of the box, but knowing what's under the hood always comes in handy, particularly when something goes wrong and needs fixing. Let's take a look at how to suspend and hibernate your laptop under Linux.
RedHat

NIST Publically-Released Red Hat Enterprise Linux Benchmark

Post date: October 21, 2006, 04:10 Category: Benchmarks Views: 6578 Comments
Tutorial quote: The Benchmark is a compilation of security configuration actions and settings that "harden" Red Hat Linux operating systems. It is a CIS Level-I benchmark: the prudent level of minimum due care for operating system security. This benchmark was developed and tested on Red Hat Enterprise Linux (RHEL) including RHEL 2.1, RHEL 3.0, and Fedora Core 1, 2, & 3. It is likely to work for other Linux distributions - especially Red Hat and Fedora derivatives - as well.
Linux

Add Windows media support to your Linux box

Post date: December 31, 2005, 15:12 Category: Multimedia Views: 3104 Comments
Tutorial quote: Having trouble getting .WMV, .WMA, and .ASF files - the Windows-based media formats - to open on your Linux box? Being forced to dual-boot or switch workstations just to listen to or watch audio and video clips is usually more effort than it's worth. But fortunately, if you are using Xine and one of its frontends like Totem, you can add support for these file formats within Linux.
Linux

Windows Linux DualBoot Tutorial

Post date: April 1, 2006, 05:04 Category: Installing Views: 2568 Comments
Tutorial quote: This tutorial was written to help set up a dual boot on a SATA drive but it will also work for PATA so continue forward and I will let you know if you need to skip something. In order to have a fully functional dual boot system it is preferred that Windows be loaded first. After that you can load Linux and easily dump the boot configuration on Windows NTLDR file (comparable to Linux boot file).
Debian

How to Install Latest Wine in debian Etch

Post date: December 22, 2008, 07:12 Category: Software Views: 2918 Comments
Tutorial quote: Wine makes it possible to run Windows programs alongside any Unix-like operating system,particularly Linux. At its heart, Wine is an implementation of the Windows Application
Programing Interface (API) library, acting as a bridge between the Windows program and Linux.Think of Wine as a compatibility layer, when a Windows program tries to perform a function that Linux doesn’t normally understand, Wine will translate that program’s instruction into one supported by the system. For example, if a program asks the system to create a Windows pushbutton or text-edit field, Wine will convert that instruction into its Linux equivalent in the form of a command to the window manager using the standard X11 protocol.
Debian

Linux virtual server on Debian Sarge

Post date: November 29, 2005, 21:11 Category: System Views: 3326 Comments
Tutorial quote: Linux-VServer allows you to create virtual private servers and security contexts which operate like a normal Linux server, but allow many independent servers to be run simultaneously in one box at full speed. All services, such as ssh, mail, Web, and databases, can be started on such a VPS, without modification, just like on any real server. Each virtual server has its own user account database and root password and doesn't interfere with other virtual servers.
Linux

Comprehensive Linux System Services List: Explanation and Recommendation

Post date: December 17, 2007, 06:12 Category: Miscellaneous Views: 3526 Comments
Tutorial quote: Linux services are basically programs that start at boot time to provide certain features and services (Apache, the web server for example). After installation, every Linux distribution provides a list of enabled services. However, you might not need some of these services or you might need others that are not enabled by default. Having only the services you need running will make your system faster, more stable and secure. So the first thing you need to do after installing a Linux distribution is to manually edit the list of enabled services. Unfortunately, some services don’t provide a description, others provide a description that’s not understandable so you might end-up disabling a vital system service just because you didn’t know what it did and you thought you didn’t need it.
FreeBSD

Setting up Linux compatibility on FreeBSD 6

Post date: December 7, 2007, 06:12 Category: Emulation Views: 5153 Comments
Tutorial quote: As a FreeBSD desktop user I occasionally feel left out when it comes to the availability of applications, particularly desktop applications or binary-only browser plugins produced by commercial closed source vendors. Sometimes a good alternative lurks in the vast FreeBSD ports collection, but not always. The version available may lag a couple of revisions behind what I need, or the port might exclude my particular architecture. Fortunately, FreeBSD can run binaries and shared libraries that have been compiled for Linux and other Unix ABIs (such as SVR4 and SCO).

In this article I will cover the steps necessary to enable and configure Linux binary compatibility on FreeBSD 6. I'll also share a couple of my own experiences with getting some well-known desktop Linux applications to run on FreeBSD 6.
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