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Sep
8
comment If I own a domain do I own all of its sub domains?
@MichaelHampton: Thanks! It turns out that yes, that's the one I'd seen: serverfault.com/a/427300/100777
Sep
8
comment If I own a domain do I own all of its sub domains?
This is true when the word "own" is used correctly -- +1 -- but I think it's worth mentioning that there are some crappy webhosts that will happily give other people subdomains of your domain, because just because you think of a domain as yours doesn't mean you actually "own" it. (This has had serious security implications in some cases.) So it's worth checking.
Jun
11
comment Why is it a bad idea to use a customer email as the from address
@Kaz: I disagree. It's e-mailing the user, using the user's own address as the "From" address. There is no risk of misunderstanding, hence no "impersonation" or "forgery".
Nov
19
comment Fastest way to extract tar.gz
+1. FWIW, you can also write that as tar -xvf --use-compress-program=pigz filenamehere. (-z amounts to --use-compress-program=gzip.) Alternatively, you can even make gzip be a symlink to pigz, and keep using -zxvf.