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Kernel: Uhhuh. NMI received for unknown reason 31 on CPU 3

I'm receiving on "Linux Debian-70-wheezy-64-minimal 3.2.0-4-amd64 #1 SMP Debian 3.2.46-1+deb7u1 x86_64" this error: Message from syslogd@hostname at Feb 14 02:54:51 ... kernel:[81927.464687] Uhhuh. ...
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Using modsec to block a sql injection?

I'm seeing malicious traffic (sql injections) directed towards some of my websites and I want to use modsec to block the requests. An attack will look something like the following: ...
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545 views

A few questions about RAID-Z

I just got 2 (EDIT: 3, sorry for the typo) one terabyte hd to put into my small NAS box. I plan on raiding these together with RAID-Z (ZFS, if I'm not mistaken). I've done a lot of research, but ...