I.T. Security and Linux Administration:

March, 2011


March 31, 2011  1:58 PM

Sandbox 101: Polishing Skills

Eric Hansen Eric Hansen Profile: Eric Hansen

Continuing on with my virtualization fixation as of late, I would like to address something else to those who read my blog. As we all know, improving (and learning new) skills is a never-ending event in the IT world. The moment you stop doing this, it's the moment you can easily be replaced. ...

March 29, 2011  10:56 PM

Enable HTTPS By Default

Eric Hansen Eric Hansen Profile: Eric Hansen

With the recent issues of Microsoft removing HTTPS from Hotmail in some countries, and Comodo's...

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March 28, 2011  2:49 PM

Going Green with Virutalization

Eric Hansen Eric Hansen Profile: Eric Hansen

For quite a while, there has been a strong push for companies (and individuals even) to "go green".  By this, it's meant that we depend on other means of operating besides using a ton of electricity, emitting more fumes into the ozone, etc...  However, it wasn't until I started working as a...


March 25, 2011  12:33 PM

Should You Use Google Apps as a Business E-mail Solution?

Eric Hansen Eric Hansen Profile: Eric Hansen

Back when I was working at my last employer, we had SMTP servers set up on all of our managed servers using qmail (running on CentOS). This worked great for the most part, as we could see when and why e-mail would flop, who sent it, and any other informative bits of information. However, a lot of...


March 22, 2011  3:03 PM

IT Knowledge Exchange and it’s badge reward system

Eric Hansen Eric Hansen Profile: Eric Hansen

A few weeks ago, Melanie posted on ITKE's community blog, "Earning Badges Pay Off - Literally".  In it, she addresses a new promotion of sorts they are running with the...


March 21, 2011  2:35 PM

Installing Nagios on Linux Part 2: Installing the Plugins

Eric Hansen Eric Hansen Profile: Eric Hansen

In part one of this series, Installing Nagios Part 1: Handling the Core, I talked about how to install Nagios' core to get the fundamentals up and running.  This time, I will be...


March 20, 2011  11:42 PM

Installing Nagios on Linux Part 1: Handling the Core

Eric Hansen Eric Hansen Profile: Eric Hansen

When it comes to intrusion detection systems (IDSs), there's more than a handful...


March 17, 2011  11:26 PM

Installing the Linux OSSEC agent

Eric Hansen Eric Hansen Profile: Eric Hansen

In my previous post, Minimalistic HIDS: OSSEC, I gave a guide on how to install the OSSEC server on Linux. While the server has a built in agent (so you can monitor the server's activities itself), if...


March 11, 2011  3:17 PM

Minimalistic HIDS: OSSEC

Eric Hansen Eric Hansen Profile: Eric Hansen

While this software is far from new in the world of IDSes, I'm not sure just how many people actually know about this IDS (especially since Snort takes the crown most of the time).  However, while I'm not a fan of Trend Micro and their products, they are backing what can easily be a perfect IDS in...


March 8, 2011  10:40 PM

On-the-fly Data Compression: Wingless Bird or Golden Savior?

Eric Hansen Eric Hansen Profile: Eric Hansen

With solid-state drives (SSDs) getting a lot of usage now, especially with the further adaption of netbook usage, instead of the aging notebook and laptops, there have been people bringing up the idea of on-the-fly data compression.  The main question is, how efficient is this concept?  As it...


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