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Aaron Toponce
Works at XMission
Attended Weber State University
Lives in Suracuse, UT
2,212 followers|476,501 views


Aaron Toponce

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UNIX/Linux pro-tip:

When using find(1), don't use "-exec rm -rf {} \;" for deleting files. Instead, use "-delete". The time you sit on your rump waiting for it to finish will thank you.

See this simple benchmark:
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Actually, don't -exec 'shred {} \;' in bash. Whitespace will drop a ballistic missile on that syntax.

Usually with find -exec I find it's better to encapsulate the command in a script or subroutine, and then rm -i "$@" (one can also handle quotes in file names like this). rm -rf is an accident waiting to happen, exercise caution...
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Aaron Toponce

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Old institutions, meet the Internet.
The New York City Police Department didn't expect this response.
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This is just yet another post, beating the dead horse, very, very dead.
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One critical point the author missed, is key stretching.
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I'm not quite sure that forking fundamental security libraries is really an improvement.
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Have him in circles
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Aaron Toponce

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If this comes to light, this could be very promising for email. I'm not going to hold my breath though.
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A mass social network like Facebook could build a graphical synonym for the pgp/gpg WoT very easily. Ironically we should thank PRISM for finally bringing encryption to the public conscience!
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Looks like the security community got the best of NIST.  Dual_EC_DRBG to be removed. Finally, some progress against the NSA.
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+Aaron Toponce yes! we have used it for customization.
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I'm hosting the PGP Keysigning Party at OpenWest 2014, and thought how much I really wanted to have "randomart" at the party. The idea is simple: create a randomart for PGP keys that is similar in nature to SSH key randomart.

The code is here:

Sample output can be found here:

This isn't meant to be a replacement to reading fingerprints at keysigning parties. It could be used in addition to, however. Interested in feedback.
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Aaron Toponce

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Who can tell me what drive connector this is? I think it's Ultra320 SCSI, but I'm not sure.

I have a computer that shreds hard drives, and occasionally I get these babies, with no ability to digitally shred them.

I would like to find a PCI card that I can install in my machine, so I can hook them up easily, shred them, and unplug.
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Remember, there are VALID TECHNICAL REASONS why you must periodically sacrifice a goat to your scsi chain.
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Senior Linux Systems Administrator
  • XMission
    Systems Architect, 2012 - present
  • Beyond Oblivion
    Systems Engineer, 2011 - 2011
  • SAIC
    Systems Administrator, 2009 - 2011
  • Guru Labs
    Instructor, 2007 - 2008
  • introPLAY
    Web Application Architect, 2007 - 2007
  • Venture Data
    Data Miner, 2005 - 2007
Map of the places this user has livedMap of the places this user has livedMap of the places this user has lived
Suracuse, UT
Ogden, UT - Layton, UT - Toronto, Ontario, Canada
Storage architect, cloud engineer, system administrator.
I'm a Debian GNU/Linux user for all my computers as my main operating system of choice. I'm an advocate of Free Software and find proprietary software and software patents evil.

I am a Applied Mathematics major and Computer Science minor, with an emphasis towards software engineering. I study Cryptography as a hobby. In my spare time, when I'm not on computers, I'm with my family hiking, playing games or watching movies.

Professionally, I'm a Linux and Unix Systems Administrator for a local ISP. I maintain hundreds of servers, both physical and virtual, help maintain and engineer the network, several VLANS, and much, much more.

Last, but certainly not least, I am an Amateur Radio enthusiast. My callsign is a vanity call, AE7ST. It's super short on CW (reasonably short, at any event), has a good ring to it, and is one of the few 2x2 calls available. Check me out at
  • Weber State University
    Mathematics, 2011
  • Weber State University
    Computer Science, 2011
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