MWalker's blog

We are now on Technorati!

Please help us build a following!

We want to make the Technology Cadre website a place of friendly reviews and useful information.  Links, bumps on Digg, Technorati, etc. are appreciated. 

You want to link / advertise with us?  Just contact us with the form in the upper right.  We are always looking to work with new people.

Mobile Photo Printing with the Wasabi PZ310

Dell Wasabi PZ310

What is it?

The new Dell Wasabi allows for instant digital photo gratification.  I know many snap happy people with their digital cameras and so many photos never see the light of day.  Perhaps they will make FaceBook or Flickr, but sometimes you just want something in your hand right then and there.

Purge All Your Mail in Mutt

Having a "catchall" mailbox is handy at times, but otherwise it's 99.99% useless to you on a daily basis.  For example for emails from our system and general notifications, we have a noreply@ address.  Needless to say this gets spam and bounces.  The only time you really need to read them is for troubleshooting purposes.

The Value of Virtual Private Servers (VPS)

VPS Diagram

From Wikipedia:  http://en.wikipedia.org/wiki/Virtual_private_server

A virtual private server (VPS, also referred to as Virtual Dedicated Server or VDS) is a method of partitioning a physical server computer into multiple servers such that each has the appearance and capabilities of running on its own dedicated machine. Each virtual server can run its own full-fledged operating system, and each server can be independently rebooted.

Dumping Linux Buffer Cache

TOP screenshot

A useful command to check linux system resources is "top".  However with the buffer cache you may see almost no available memory (see attached screenshot).  But how can that be?  All you have running may be a java app, apache, and a few other services.  There is no way that should be using ALL of that RAM.  In my case, I have the Nagios "

Review - Dell UltraSharp 2208WFP

Image - Dell UltraSharp 2208WFP

Ordered 20090115 ... Waiting to review it! Ordered for a Dual LCD setup.

Update 20090127 ... Apparently they're having issues filling my order and waiting for the LCDs to become available in channels.  Very annoying, but the deal I got was stellar.  Just glad I didn't desperately need them.

Count Log Entries Stored Procedure and check by Nagios

We created a stored procedure that returns the count of log entries in a table within the last time period.  The resultant count is monitored by Nagios.  When the value is less than "X", an alert is triggered.

Palm's New SmartPhone

Reference Articles

I had a Palm back in the day.  It truly was a great piece of technology for its time.  As most of the mobile / PDA community would agree, they just did not evolve sufficiently.  The Palm Pre has captured my eye though.

Review - APC Switched Rack PDU

APC Switched PDU Image

Summary

The APC Switched Rack PDU provides an 8 outlet, rack-mountable power strip with the ability to remotely power on/off selected outlets. A standard 100/120V 15A outlet is all that is required. It is perfect for cabinet applications or even plywood wall mounting. Remotely power cycle those "flaky" devices in your datacenter or server room without having to leave your desk!

Review - Acer Aspire One

Image - Acer Aspire One

Summary

The Acer Aspire One is Acer's mainstream netbook. A netbook is a light-weight, low-cost, energy-efficient, highly portable laptop that is suitable for general purpose computing.  Several colors and various hardware/software options are available including NAND SSD drives and a choice of XP Home and Linux operating systems.