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The Definitive Guide to CentOS by Ralph Angenendt, Tim Verhoeven, Peter Membrey

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C H A P T E R  4

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Using Yum

One of the most important things that you will need to do now that you are running your own server is ensure that you keep it up-to-date. On many operating systems, applying updates can be a rather “exciting” process and—usually—one to be avoided like the plague. This is because updates have a nasty habit of not just fixing bugs but also introducing a complete set of new ones.

With CentOS, though, you can rest assured that applying updates is safe and isn't going to cause any major problems. This is because during a given release, all bug fixes are back-ported into the currently running version. This means that the ...

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