The Linux/Unix SysAdmin Covert File Storage Method Number 57Feb 04, 2009, 19:33 (1 Talkback[s])
(Other stories by Mike Tremell)
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"You may recall a post we did a long long time ago, in a galaxy just down the block, regarding finding space hogs on multiple overlay-mounted filesystems. This little way to hide bits of information works relatively along the same lines. The one serious limitation it has is that, while you'll be secretly storing your information, you won't be hiding the actual disk space it consumes, so this method of packing away all the stuff you're not supposed to have on the company's production web server has its limitations.
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