Virtualization to a next level

coLinux is a port of the Linux Kernel to Windows which executes as a single process. Using Xming server one can easily run X apps on windows.

IBM Developer works has an article on the same topic:
Virtualization with coLinux .. read

One of the best applications of coLinux is andLinux which allows you to run Ubuntu Linux seamlessly on Windows 2000/XP/Vista machines .. read.

LifeHacker has an article on andLinux .. read

RAID on Linux

Some information about RAID

RAID Wikipedia reference .. read
Linux SATA RAID FAQ .. read
The Software-RAID HowTo .. read
Linux Logical Volume Manager .. read

PHP

A good article about the good and bad things of PHP .. read

Apache Links

Some useful links on Apache and its internals

The Apache Modelling Project .. read
Building Apache the way you want it .. read
How to install Apache, MySQL and PHP on Linux .. read
Apache 2 Modules Tutorial .. read

Linux Clustering Links

Some useful links on Linux clustering

Linux Clustering Information Centre .. read
IBM Developer Works Clustering Links .. read
Open Source Cluster Application Resource (OSCAR) .. read
Cluster Monkey .. read
Linux Virtual Server (LVS) .. read
Linux Clusters Vs Grids .. read
UltraMonkey, Load Balancing and High Availability Solution .. read
Linux Clustering Cornucopia .. read
High Performance Linux Clustering Part 1 and Part 2

Signals

Linux Journal has couple of good articles on Signals on Linux.

Linux Signal Handling Model .. read
Linux Signals for the Application Programmer .. read

Memory Leak Detection

Couple of articles by Cal Erickson in Linux Journal on Memory Leak detection.

1. Memory Leak Detection in Embedded Systems .. read
[mtrace, memwatch, dmalloc]

2. Memory Leak Detection in C++ .. read
[dmalloc, ccmalloc, NJAMD(not just another malloc debugger), YAMD (Yet another malloc debugger), Valgrind, mpatrol, Insure++]

Another article on Using Valgrind.

Sudo and Upstart

Linux.com features two articles.

1. About Sudo
2. Upstart - Ubuntu's event based init daemon

Virtualization on Linux

Techtrob.com reviews four virtualization software choices on Linux

1. VMWare Server
2. Innotech's VirtualBox
3. Parallels Workstation
4. Open source x86 emulator - Qemu
5. XenServer - Express Edition (Now Citrix)

Read

gSOAP and examples

SOAP is a protocol for exchanging XML based messages between computers using HTTP\HTTPS. SOAP is part of the web services protocol. Alex Nghiem has written an excellent article on the web service stack that comprises of XML, SOAP, WSDL and UDDI. You can read the article here.

gSOAP is the open source implementation of SOAP and it is based on C/C++.

There are some excellent examples on how to use gSOAP, can be found here.