Author Archives: Judson Bishop

Upgrading ISC Bind and DHCP

Our secondary DNS and DHCP server died last Sunday. Besides some people noticing some services were slower on the network it was a non-event, and that is a good thing. Rather than just doing a restore of the old server, … Continue reading

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Storage Pod

At the Circus we just built our first Backblaze storage pod and I would like to take the time to document it. We rebuilt the server a number of times for testing and verification with different numbers of disks so … Continue reading

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Jud’s Rules of the Road

Each year, if not each new semester, we get a crop of new cyclists that come out to ride. Some of them are “One Hit Wonders” and some ride with our group for four years. They all learn a lot … Continue reading

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Hacking the 7926G MIDlet Deployment

I really struggled with the deployment of MIDlets to the phone. What should have been simple, became convoluted because I did not change a mime type on the web server. As a result I emailed back and forth with my … Continue reading

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Hacking the 7926G MIDlet Development

Requirements The hospital is forming our plan to handle closed loop medication administration. What that means to a patient is that their armband will scanned to verify who they are, then the medications will be scanned to verify what they … Continue reading

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Congestion Management

First a comment on the structuring of my notes. In order to make them more legible I have started using headings for each section and then bolding the subsections. I believe it makes it easier to read and I do … Continue reading

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Classification and Marking

Classification and Marking Classify and mark as close to the ingress edge as possible. Mark or re-mark traffic when it reaches a trusted device in the network. There are only two IP QoS marking fields that are carried end to … Continue reading

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Classification and Marking

The difference between classification and marking is action. Classification tools categorize packets while marking changes packet headers. These tools lay the foundation upon which the rest of QoS is built. Classification — Perform classification closest to the source as possible … Continue reading

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Hacking the 7926G Getting Started

The past month I have been writing midlets for the 7926G Cisco IP phone. The interesting aspect of this phone for the hospital is that it has a barcode scanner built into the end of the phone. All of our … Continue reading

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Virtual Switching System (VSS)

This post was tedious in the formatting and was one of the reasons I put off posting it. The notes were taken months ago put I was weary of posting it because of the time involved in formatting it. As … Continue reading

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