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Transferring data from an old Aveva Historian to a new Historian
The method Aveva suggests for migrating from an old Historian server to a new historian server is to transfer the old memory block files, then export the configuration on the hold historian and import it into the new historian, and from that point onwards the new historian will be the same as the old historian.…
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Manage Risks, avoid the cape
I’m Jason Firth. On Sunday evening, this very website you’re reading this post from went down. In fact, it was a critical emergency because not only did the server’s main drive fail, but there were no backups, we had no parts on hand, and no plan to recover even if there was a backup. Have…
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Work From Home does NOT mean Work 3 jobs.
During the pandemic, a certain practice ended up being written of in national media and became a topic of discussion, though I don’t know how prevalent it became in fact. This was the practice of working several jobs from home. In particular, I’ve heard about it quite a bit from IT people. The individuals who…
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Labor is not a fungible commodity
I’m Jason Firth. There’s a statement that I’ve said on a large number of occasions, basically that labor is not a fungible commodity. To understand what I mean by this, first we need to go to the definition of a fungible commodity. A commodity that is fungible is a commodity that is basically interchangeable. If…
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Another new back-end software product
I’m Jason Firth. Well, 2021 is coming to an end, and while I haven’t updated the blog with much other than a few technical projects I’ve been working on. Part of the reason for this is that being in supervision there’s a lot of work and a lot of stuff I can’t really share, but…
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A short one — Getting the Nvidia Geforce GT 720M graphics chip on a Dell Latitude E5440 running under Ubuntu Linux 21.04
I’m Jason Firth. Sometimes it’s a real struggle going through and trying to find out how to do something, and when you find a simple answer you just wish someone else had written it down. I have a Dell Latitude E5440 I got off of eBay. Great little machine. It has a decent screen for…
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Workmanship matters
As I’ve documented previously, I moved this website from a third party host to hosting it from my own ‘datacenter’. For a while, said ‘datacenter’ consisted of a bunch of computers sitting in my spare room on the floor, but I wanted to clean things up and make it a bit more permanent, since I…
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Installing ubuntu on a chromebook c201p
how to get ubuntu running on an asus chromebook c201p I’m Jason Firth. My dad is starting to enjoy chromebooks, he’s been playing with them for a couple years, and so he had an Asus Chromebook C201p kicking around. He said to me “Play around with it, maybe you can get full blown linux installed…
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Tevo Tornado – updated configuration for Duet firmware v3 series
I’m Jason Firth. One of the most popular pages of all time on this site is where I connected my Tevo Tornado to a DuetWifi. I’ve been using that 3d printer routinely for years since I put it together, and it’s been rock solid. That being said, one thing I believe strongly in is running the…
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Fanless PCs, the latest rings in this tree
I’m Jason Firth. I’m never a fan of when the website is down in spite of the fairly small number of readers (hi everyone!), but I have wanted to make a change for quite some time. In a previous entry, I talked about migrating from from my previous hosting provider. Godaddy was a decent host,…