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HowTos

Administrating SElinux on Red Hat Enterprise Linux

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HowTos

audit2allow is a nice tool for understanding AVC denials. On RHEL4, all AVC denials are logged to the kernel ring buffer. The command dmesg will show these, and audit2allow -d will interprit them, and output the SELinux rules needed to allow these denials.

Recover MySQL Database root password

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HowTos

By default, MySQL Server will be installed with root superuser without any password. You can connect to MySQL server as root without requiring password or by keying in blank password. However, if you have set the password for root and forget or unable to recall the password, then you will need to reset the root password for MySQL.

Linux Iptables — Easy and Simple guide

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HowTos

So you just installed linux and is wondering for a good rule set for a secure firewall which does not interfere with your basic internet usage? Well no difficult at all…The following configuration is good to be implemented for a Workstation.

First lets flush all the previous iptables rules:

[root@linux ~]# iptables -F
[root@linux ~]# iptables -X
[root@linux ~]# iptables -t nat -F

Overview: Archive tools for linux

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HowTos

There are various archive file format exist, such as .tar.gz, .tgz, .tar.bz2, .gz, .bz2, .zip, .rar, .7z. The common questions regarding archives are “how to extract files from tar.gz?”, “how to create rar in Linux?” etc.

Therefore this overview aims to covers simple examples of archive tool usage for the common format such as: tar, gzip, gunzip, bzip2, bunzip2, zip, unzip, rar, 7z.

Try this workaround for time-out issues in kernel 2.6.17 and higher

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Because of a recent change in TCP window scale settings in Linux 2.6.17 kernel and higher, you may have had some problems connecting to certain Web sites. In this tip, I'll show you a workaround for the time-out problem, but first, let me give you the background on this issue.

DVD Authoring with DVDStyler

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Free software for mastering DVDs is starting to catch up with some of the commercial software in this genre. Command line tools have been available for some time, but GUI based tools have just started to become usable. One such GUI is DVDStyler.

Pimp Your Kubuntu in 3 Easy Steps

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HowTos

Welcome to the Kubuntu desktop customization guide where you will learn how to bring your KDE desktop to life! In other words, how to get from:

Linux login with a Windows box and XDMCP

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There are many different ways to login to a Linux computer. Most of them are text based and other graphical ones are slow and create lots of network traffic. To the windows click and pointy types the text based login's are a real pain and the other graphical types are murder over a slow connection.

How to configure your SCSI or USB scanner to work with SANE/XSANE from your regular user account

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Linux
HowTos

This article shows how you can make your scanner (SCSI or USB) work with SANE/XSANE from a normal user account without getting permission errors.

http://www.howtoforge.com/sane_xsane_scanner

Getting Familiar with GCC Parameters

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HowTos

gcc (GNU C Compiler) is actually a collection of frontend tools that does compilation, assembly, and linking. The goal is to produce a ready-to-run executable in a format acceptable to the OS. For Linux, this is ELF (Executable and Linking Format) on x86 (32-bit and 64-bit). But do you know what some of the gcc parameters can do for you?

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New Human Interface Guidelines for GNOME and GTK+

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