Monthly Archives: November 2012

Limit CPU usage of a Process

cpulimit is a small program written in C that allows to limit CPU usage by Linux process. Limit is specified in percentage so it’s possible to prevent high CPU load generated by scripts, programs or processes. cpulimit is pretty useful … Continue reading

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PHP 5.3.19 & 5.4.9 Released

PHP have now announced that the latest versions of PHP have been released today, they are 5.3.19 and 5.4.9. This releases fixes about 15 bugs. All users of PHP are encouraged to upgrade to PHP 5.4.9, or at least 5.3.19. … Continue reading

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Memory usage in Linux

Memory usage in linux always seems high, regardless of what applications you are running and if you restarting them or now. And if you leave it as it is, it raises over time without any reason. There is a simple … Continue reading

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Kernel Versions

Version 3.6.7 of the Linux kernel was released on November 17th, which might make users of Red Hat Enterprise or CentOS wonder why they’re still running 2.6.x versions of the kernel. Ubuntu jumped to version 3 in October 2011, with … Continue reading

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Swap check

I had this situation recently when Apache got high load, ate all the remaining RAM and started to consume SWAP too. If you ever experienced this you may already know that this is mad spiral that usually brings the system … Continue reading

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Communicate During the Zombie Apocolypse!

How Do I Do That? Project Byzantium is a project set up to give us communication lines during natural disasters, zombie apocolypses, severed communication lines etc. It is named after the Byzantium fault tolerance engineering mechanism, that is a mechanism … Continue reading

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Disks Not Applicable

Data is growing at an alarming rate, given the explosive rise of social networking and cloud computing in the last two years. Every day, an estimated 2.5 quintillion (1000^6) bytes of data are created. To put that number in perspective, … Continue reading

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jQuery To The Rescue Part 2

So what are jQuery selectors about. Selectors provides a very easy way of gaining access to any HTML element on the DOM. Now this might not make sense at the moment, so let me give you 2 examples. The scenario: … Continue reading

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Promoting Linux

As a home Linux user I am always justifying my OS choice to friends and whether its “I don’t really play games any more” or “It does everything I need it to and I don’t need to worry about continual … Continue reading

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