Category Archives: tech
How to create a swapfile on a btrfs filesystem
Some things you should be aware of: Linux Kernel 5.x supports swapfiles natively on btrfs This is a bit of a kludge. Summary: Btrfs does not natively support swapfiles as the kernel wants them to be contiguous blocks on disk.To … Continue reading
Netapp Network testing with iperf3
Here’s an interesting NetApp thing I was playing around with. There’s a command in diag mode: “network test-link”, which is ostensibly to test throughput between nodes. In the man page, it mentions that it is based on iperf3 — Just … Continue reading
Quick Little Powershell Script
Here’s a quick little powershell script I wrote to illustrate the relationship between Aggregates, Shelves, and raid-groups for a student who was a little confused as to their relationship: $raidGroup = 0; $shelf=1; $rgSize=8; $shelfBays = 24 $numShelves = 2 … Continue reading
How changing my homepage let me loose forty pounds and start a company.
How changing my homepage let me loose over forty pounds and start a company. Simple technique where you can use google docs as a home page to track goals and actions towards those goals. Continue reading
More Human than Human
I’ve been working on a startup project on the side for almost a year now – focusing on pattern recognition, natural language processing stuff, and predictive statistical modeling… it’s been fun. Continue reading
Would you participate in this kind of contest?
I’m thinking, along w/ some people I’m working on a start-up with, of running a contest to help up “train” the back end “artificial intelligence engine” which is used in our software. Here’s the gist: you would log-in to a … Continue reading
Cool things I’ve gotten to play with at my startup
For the last year or so I’ve been working on a tech startup with some friends. In doing so, I’ve gotten to work with some pretty cool stuff, and I thought I’d make a list of some of them. Continue reading
Playing with Bayes
For the last day or so I’ve been playing with moving over my simple word-count-analysis of blogs to actually creating a database with manually ranked training data and extrapolating from that. There were some hiccups and I’ve still got to go back and replace a lot of code, but it’s effectively categorizing new blog entries based on previous rankings. YAY! Continue reading
An alternative approach to snaprestore rollbacks for virus outbreaks
overview Netapp’s snap restore product is a fantastic tool in a storage admin’s arsenal. It works well. It’s fast, and it doesn’t need to “restore” data, it just makes a previous snapshot the active file system. That said, I keep … Continue reading