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What's New? :

Check out my ChangesLog section to see what's been added, editing, or changed since you've last visited.
[Something on my site changed: Updated: 05/16/12]

Last -10- Changes:

• 05/16/12: Updated the Xastir and GPSd section to support Centos6

• 04/07/12: Significant updates to support Udev devices, updates to the hamrig.sh script to support soundmodem-based 300baud HF packed, new updated details for RXAMADRM for DRM-based digital SSTV, includes major cleanups of the Centos HamPacket documentation, added a new Norcal / Nevada GoogleEarth KMZ file, etc.

• 02/12/12: Months in the making, I've made major updates to the Centos documentation to support Centos 6.2. This includes major cleanups, etc. The index is a MESS but that will be cleaned up soon

• 12/22/11: Added a quick review on the ARRL TravelPlus for Repeaters software. More updates on the Centos doc

• 08/24/11: Added a MFJ-969 repair page and updated the HamPacket docs

• 05/01/11: Added Flrig, Flwkey, and other updates to the HamPacket docs

• 02/12/11: HTMLized the HamPacket documentation, more updates to it, etc.

• 11/24/10: More updates to the HAM pages, a few great links, etc.

[Legacy Documented changes]

Who am I?

[Updated 07/07/10]

What do I do?

I work for Juniper Networks where I manage the SLT Branch Technical Marketing group. This group is responsible for performance benchmarking, white papers, customer escalations, competitive testing, etc. for the SRX platforms. Previously, I worked for Zvents, Inc, a small entertainment search engine startup as their Director of Operations. To learn more, click on the "Who Am I" link above.

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Topics I like to Tackle!:

TrinityOS
My step-by-step guide to setting up, configuring, and securing a feature-packed Linux server [IP-Masq, DNS, Sendmail, Diald, PPP, cablemodems, etc] from a common example.

[Updated 05/22/05]

HAM / Amateur Radio
Radio has always facinated me in how it works, the expected and unexpected noises that can be heard, etc. It can be pretty complicated stuff but mixing it with Linux creates some powerful tools!

[Updated 05/16/12]

IP Masquerading HOWTO

I re-wrote the Linux Documentation Project's IP-MASQ-HOWTO and almost doubled it's size with IPCHAINS, 2.2.x kernels, FAQs, etc.

[Updated 11/13/05]

Other TrinityOS-like documents:

Function.s: My UNIX crib sheet!
IPMI: How to enable IPMI on Fedora Core3 with a Supermicro MB
Encoding and iPod on Linux: My Grip encoding scripts for encoding CDs to high quality FLAC and MP3s files at once as well as details on how to use an Apple iPod on Linux using Gnupod with both Firewire and USB.
IEEE 1394: Benchmarking Linux Firewire with various 1394 to IDE bridges


[Updated 01/06/06]

Various Linux Bookes and Articles

I have written several books and magazine articles about Linux much in the style of TrinityOS.

Rocko: I co-developed and still administrate the Economic/BSS's Linux Internet, Mail, FTP, WWW, etc server with over 1800 accounts and counting.

Other excellent URLs: The Linux Webring, The Linux Documentation Project, and much more!

[Updated 05/22/99]

PC Hardware:

Check out my extensive research on buying CD and DVD writer drives!

PC's common cable pinouts for NULL serial, Parallel, Ethernet


PC's common IRQ and I/O Port settings


Evaluating Hard Drive Performance (internal transfer rate)
Hard Drive interfaces (SCSI / IDE, etc)
System Benchmarking
AMI CMOS BIOS Beep codes and BIOS tuning tricks
IBM PC power supply pinouts/voltage troubleshooting
PC Chipsets (and their differences)


The ASUS GX4 486 and P2L97 Pentium-II motherboards

.. and more!

[Updated 04/20/07]

Remote Access Technology:

News and technical details on the new 56Kb/s Modems
xDSL technologies such as ADSL and HDSL2
My comprehensive setup and optimization tips for ML/PPP connections for various platforms such as Windows v3.x, 95, NT and UNIX!

[Updated 08/28/99]

Networking Topics:

• IPv6: A complete TCP/IP version 6 presentation in HTML

  [Updated 12/17/99]

Researching and picking an ISP:

[Updated 08/28/99]

Security:

PGP: Talks about what PGP is, how to install it, and look at my simple but good PGP sign/encrypt flow diagram! This really shows you how PGP works!

Also check out my Security section on my Linux page for more URLs and info.

[Updated 12/26/99]

ISDN: Check out my ISDN pages on many topics including:

News: Up and coming ISDN technologies like AO/DI, links to other ISDN reviews, etc
Real user cost comparisons for ISDN, ADSL, and cablemodems (ISDN costs using Pacific Bell ISDN and both CSU Chico and 3rd party ISPs)
ISDN Configuration tips and ISDN BRI and PRI Error Cause codes
ISDN BRI/PRI provisioning tips
ISDN performance optimizations
My personal reviews on both ISDN enduser and server side hardware from manufactures like:
• 3Com
  
• Ascend
  
• Cisco
  
• Gandalf
  
• Motorola
  and
• USR to name a few...
[Updated 07/19/98]

Cablemodems:

• Direct cost and performance analysis between ISDN, ADSL, and Cablemodems
  
• Check out my own experience with @Home Cablemodems in the East Bay, CA
  
• Read up the Chico,CA original (and superior) cablemodem pilot that they killed in favor of a much poorer design
  
• Check out other links such as:
  • Check out how cablemodems work
    
  • How crappy GTE's cablemodem really works
    
  • Etc..
    
  [Updated 04/02/98]

Trinity Designs:

I own and manage Trinity Designs, a private consulting business specializing in Networking, desktops/workstations/servers, and LAN/WAN designs.

Interested in starting your own small business? All points for starting a small company from resellers licenses to sales tax is covered!
[Updated 07/24/97]

Check out my extensive Netscape bookmarks.

[Updated 02/06/98]

ACE: Association of Computer Engineers - The club for the hardware/software hackers of CSUC!

Check out some of my buddies web pages

Check out MIT's awesome mirror of EVERY major FAQ and Usenet group FAQ known to man!!!

Do you want to create your own Web page? Refer to NCSA's primer on HTML. (and check my Netscape Bookmarks for other awesome WWW authoring URLs)

You are graphical user: (I'm a loser.. I need to setup a new counter)

You are running the "" Web browser
Your TCP/IP address is: ""

Last Updated: 05/16/12

[ HOME ] [ Linux ] [ HAM Radio ] [ RAS ] [ Networks ] [ PC Hardware ] [ ISDN ] [ Cablemodems ] [ Eval ISPs ] [ Security ] [ Trinity Designs ] [ Who am I ] [ Bookmarks ] [ ChangesLog ] [ Email me ]