Perl: Uninterruptible Power Supply Power through power outages

Jul 03, 2008

An uninterruptible power supply can help get you through a short power outage without losing data or damaging hardware. A Nagios script written in Perl checks UPS health and initiates a controlled powerdown if the unit exhausts its battery capacity.

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Perl: Character Sets Organizing character and code sets

Jul 02, 2008

When foreign characters occur in program code or data, Perl programmers need a solution that avoids the tribulations of Babel.

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Perl: IMAP Chat Log Gaim play

Jul 01, 2008

Are you interested in storing, organizing, and searching instant messaging conversations on your IMAP server? The Perl script in this month’s column can help you do just that.

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Perl: Multimeter to Measure Power Consumption Perl uses a multimeter to report power consumption

Jul 01, 2008

Today’s digital multimeters can do more than measure current and voltage. Multimeters also measure capacity and temperature. An inexpensive multimeter can talk to your PC via the serial port, and simple Perl scripts let you read and visualize data in neat charts.

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Perl: Daily Tip Serve a daily dose of information

Jun 30, 2008

When tackling something complex, such as a foreign language or Vim commands, digesting small bits of knowledge might be more effective than consuming a super-sized meal of information. This month’s Perl column gives you a method of serving up knowledge snippets by email.

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Perl: Skydiving Simulation Skydiving simulation with Perl

Jun 19, 2008

Computer game programmers apply physical formulas and special tricks to create realistic animations. Simple DirectMedia Layer (SDL), which is available as a Perl wrapper, provides a powerful framework for creating simple 2D worlds with just a couple of lines of code.

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Perlbal Scaling your website with the Perlbal web server

Jun 17, 2008

Let the nimble Perlbal web server keep your traffic in balance.

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Perl: Ptrace Perl script uses Ptrace for process tracing

May 31, 2008

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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Issue 26: Linux Shell Handbook 7th Ed./Special Editions

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