Monthly Archives: October 2009

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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DSCP and PHB

Posted on October 20, 2009 by Judson Bishop

Type of Service (ToS) The first stab at QoS was RFC 791, published September 1981, which defined the ToS byte. Inside the ToS byte the first three bits were defined as IP precedence. The greater the IP precedence the more … Continue reading →

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NBAR Fun

Posted on October 14, 2009 by Judson Bishop

This all began when I got a call from our Electronic Medical Record (EMR) vendor about “slowness” in the network. Of course they were sure it was something on our end, meaning our fault, despite the fact that we, the … Continue reading →

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Let This Be A Warning

Posted on October 12, 2009 by Judson Bishop

The other day I was reading about the decline of Yahoo, let me tell why I think Yahoo is on the skids. Some of you may know that I fight email quite a bit. It takes up a good 10% … Continue reading →

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CCNP QoS 12.4T Documentation Notes

Posted on October 8, 2009 by Judson Bishop

These notes are taken from “Cisco IOS Quality of Service Solutions Configuration Guide” Release 12.4T. In general, edge routers perform the following QoS functions: Packet classification and marking Admission control Configuration management In general, backbone routers perform the following QoS … 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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