‘Linux’ Category

Disk Raid Levels

This article talks about raid levels and how they work. I like to use raid 5 and raid 10, this is based on performance testing ...
Post on 20th of February 2010
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Help to make your database and wordpress secure

Every now and then you see a site that has been hacked due to lack of security. I make it a practice to update my ...
Post on 9th of February 2010
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MySQL Regular Expressions

I added a page with a reg expression cheat sheet, so I wanted to post how MySQL can use reg expressions in select queries. I ...
Post on 5th of February 2010
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Load Balancing with DSR

I have many environments that use hardware load balancers. This can be very costly sending a lot of traffic through a load balancer. So we ...
Post on 31st of January 2010
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Kill long sleeping connections

I have many servers that have applications that do not close connections properly or that use a connection pool. Sometimes I get a lot ...
Post on 31st of January 2010
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Transferring large files between servers

In some of my environments I have to deal with large data sets that are well over 300GB. In this test I have a ...
Post on 1st of September 2009
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