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How to install SNMP v3 for Centos 6.x & RHEL

Posted 06-07-2013 at 05:54 AM by kashifazizawan (Kashif Aziz Awan)

Kashif Aziz Awan
June 7, 2013

Simple Network Management Protocol (SNMP) is an “Internet-standard protocol for managing devices on IP networks”. SNMPv3 moves away from the community string idea from older version, and into a username & password combo. The installation and setup is actually pretty straight forward. Here’s what you need to do:

##yum install net-snmp-utils net-snmp-devel

Posted in Uncategorized
Views 6609 Comments 0 kashifazizawan is offline

Overview of Software Projects

Posted 06-06-2013 at 09:10 PM by ttk (Unpopular Positions: One Geek's Take)

Writing software is one of my favorite pastimes. I derive great satisfaction from designing and implementing tools, giving people new and needed capabilities.

Unfortunately I have more projects underway than time and energy to give them all the attention I'd like. I struggle to apply discipline to finish some projects before starting others, with mixed success. Some of my tools are useful now, while others are works in various states of progress (or neglect).

Posted in Technology, Defense
Views 507 Comments 0 ttk is offline

Simple C - mix pixel data, integer math (fixed point), data clamping...

Posted 06-06-2013 at 06:15 PM by rainbowsally

Simple C to mix pixel data, integer math (fixed point), data clamping

Today's Features
  • Simple program to add two pixels clamping each byte to 0xFF, but adding all four bytes in parallel for speed. There are no branches in the algorithm.
  • Another simple program to mix two colors defining a gradient using a fraction from 0 to 1. We compare floating point to fixed point math versions.

Surprisingly, the long version compiles about the same code as the short one with...
Posted in Uncategorized
Views 643 Comments 0 rainbowsally is offline

Media Transition: Welcome to My Blog

Posted 06-06-2013 at 05:06 PM by ttk (Unpopular Positions: One Geek's Take)
Updated 06-06-2013 at 05:08 PM by ttk

There is a reason for starting this blog.

In fact, there are thirty-nine reasons.

Since about 1998, I have written my thoughts in composition pads. I think best with a pen and paper, and writing lists and drawing sketches are the best ways I know to organize my own thoughts.

Since 1998, I have filled thirty-nine composition pads. They line a shelf in my home office. They serve as a catalog for my thoughts, ideas, and life events.

Posted in Reflection
Views 421 Comments 0 ttk is offline

From zero to Ventrilo in 5 minutes...

Posted 06-05-2013 at 09:30 PM by rocket357 (Musings on technology, philosophy, and life in the corporate world)
Updated 06-05-2013 at 11:18 PM by rocket357

Long story short:

Me. Rackspace cloud. Start timer.

Spin up Ubuntu 13.04 cloud server (512 MB size is perfect for this), start downloading Ventrilo Server for Linux. Edit Cloud DNS in the Rackspace mycloud portal to add A/CNAME/PTR after the assigned ip's show up...

A few moments later, login to server. Change root password. scp Ventrilo installer to server. Install the Rackspace cloud monitoring agent.

Create vent user. Untar...
Posted in Uncategorized
Views 1992 Comments 1 rocket357 is offline


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