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• Perl: Ptrace

  Linux lets users watch the kernel at work with a little help from Ptrace, a tool that both debuggers and malicious process kidnappers use. A CPAN module introduces this technology to Perl and, if this is not enough, C extensions add functionality.

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• Kernel Security

  A vulnerability in an operating system kernel is a security nightmare. This article analyzes some well known kernel security problems, explains how they are exploited, and gives real-life examples of attacks that used these time-honored techniques.

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• Perl: Network Backup

  Armed with just a rescue CD and a Perl script, you can back up a client’s hard disk across the wire.

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• Perl: Vim

  The Vim editor supports Perl plugins that let users manipulate the text they have just edited. Complex functions can be developed far faster than with Vim’s integrated scripting language.

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