DNS – simple and effective guide with history

Here is link to a very nice and definitive guide to DNS. Very detailed and useful. There is a pdf…

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command line cheat sheet for begineers.

A list of commands with some examples posted by Ian here. Looks good for new comers to Linux OS 🙂…

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Some good and nice open source books worth downloading.

There is a nice article here bby Alastair Otter. He has given links to different Books that are worth reading. …

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