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• strace

  Get started with strace by examining a pair of "Hello World" programs. Next month, in the second part of this two-part series, I'll take a deeper look at strace output.

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• Practical strace

  After "Hello World," you really need to look at system calls in more detail. In this second of two articles, we'll look at debugging in the real world.

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• LD_PRELOAD

  A little C code and the LD_PRELOAD variable let you customize library functions to modify program behavior.

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• How to Write a Rootkit

  Today’s rootkits infiltrate a target system at kernel level, thus escaping unwanted attention from administrators. Read on for a practical look at how a kernel rootkit really works.

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