Category Archives: Uncategorized

Riding Rickshaw

Posted on December 22, 2009 by Judson Bishop

I live in Auburn Alabama and as you might have heard, it is a college town with a major college football team. In the fall, socializing revolves around football. I believe part of the reason is because there are no … Continue reading →

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Pingcheck

Posted on December 2, 2009 by Judson Bishop

In my previous posts I have discussed other scripts to monitor or work with DNS. This pingcheck script is used to find used or unused IP addresses in the network, or to populate an arp table for a subnet. You … Continue reading →

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Congestion Management and Queuing

Posted on November 24, 2009 by Judson Bishop

Definitions: Tail drop — When a queue becomes full and new packets are dropped. Speed mismatch— The incoming interface speed exceeds the outgoing interface speed. Aggregation problem — The traffic from many interfaces aggregates into one interface that does not … Continue reading →

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Delete Files Not in Use

Posted on October 29, 2009 by Judson Bishop

Delete files not in use Sometimes you need to clear out a directory of files but don’t want to delete any files in use by a program or user. This little script is the answer to those problems. There are … Continue reading →

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Save Money, Print to PDF

Posted on October 5, 2009 by Judson Bishop

Once again this post will be pretty mundane to the typical enterprise Linux admin. I continue to post these projects because it highlights what can be done with free software, plus I have worked out some kinks that others may … Continue reading →

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Passing CCNP BSCI

Posted on September 25, 2009 by Judson Bishop

I recently passed the BSCI test on the CCNP track. I have been meaning to write my observations, so here they are. Where I have the Cisco Document ID I will provide it, otherwise I will just provide the document … Continue reading →

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Jot

Posted on September 22, 2009 by Judson Bishop

When I first started working on AIX I had come from a BSD background and wanted jot for some scripts I needed to write. This is that script. FreeBSD and Mac OSX have jot in the default install, AIX and … Continue reading →

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PDF Printers for Every User

Posted on September 15, 2009 by Judson Bishop

Once again this post will be pretty mundane to the typical enterprise Linux admin. I continue to post these projects because it highlights what can be done free software, plus I have worked out some kinks that others may run … Continue reading →

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CCNP ONT QoS

Posted on September 14, 2009 by Judson Bishop

If you understand the title of this post then you have headed down the road to CCNP. I was actually excited to begin ONT until I got into the book. Each book on the CCNP list is written by a … Continue reading →

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DNS Check Zones Script

Posted on September 11, 2009 by Judson Bishop

At the Circus there are a number of people that have access to the DNS servers and not everyone understands the full extent of the damage they can do when they make improper changes to the configuration or zone files.  … Continue reading →

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