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How to Limit CPU Usage with CPULimit on Ubuntu Linux

This document describes how to limit CPU usage in Ubuntu 14.04. I will use CPU-limit utilty for this purpose. Cpulimit is a tool which limits the CPU usage of a process (expressed in percentage, not in CPU time). It is...

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Understanding Exit Codes and How to Use Them in Bash Scripts

Lately I've been working on a lot of automation and monitoring projects, a big part of these projects are taking existing scripts and modifying them to be useful for automation and monitoring tools. One thing I have noticed is sometimes scripts use exit codes and sometimes they don't. 

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Why Train for Linux Certification?

IT pros consider certification an investment in their career, with the potential to help them land jobs, earn more money and develop more career options. But they want to know that the time and money they put into certification are good investments.

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Splitting a File Elegantly

LinuxRain: Is there a simpler way to split the file by last name using AWK, without sorting?

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Photo Editing on Linux with Krita

Krita is a wonderful drawing and painting program, and it's also a nice photo editor.

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