Analyze your slow mysql query with “Explain”
When you think your mysql is slow , the first step is to analyze your sql query with “Exlain” command.…
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child pid XXXX exit signal File size limit exceeded (25) on apache log
Today I found that Apache on my server was very slow and a lot of child pid xxxx exit signal…
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How to search large files on linux
You can use this command to search for files larger than 20MB on your linux box , change the number…
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Want to create a survey
I just tried this today , it’s really good , you can start with a free plan. This plan allows…
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Measuring time to execute PHP script
If I’m ever wondering how long my PHP scripts take to execute, I add this code to the start of…
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