Working on a project using MySQL and Java, I quickly found myself missing the more robust SQL and data types of PostgreSQL. 🙂 With a conversion off the table, we needed a way to handle mapping MySQL binary(16) columns to Java UUIDs and back automatically. I was surprised not to find any ready-to-run examples out […]
We use both Puppet and AWS extensively. Historically, we’ve managed secrets with eyaml and git. This allows version control and recovery of secrets, but requires the decryption key(s) to be stored on the same disk as the secrets. We’ve evaluated Hashicorp’s Vault as a secrets management solution. While it is robust and full of appealing […]
Note: This is an older guide for the XPS 9560 and 9360. For the 9570 and 7590 use our new XPS 7590 guide. I don’t travel for work much, but I travel enough that I need a semi-portable computer. For the last three years, I’ve lugged around a Dell Precision M6800. I’ve always found Precisions […]
If you’re not running Amazon Linux with the built in network interface management tools, adding multiple ENIs on the same subnet can be a confusing experience. We use this sometimes to run multiple elastic IPs on separate network interfaces so we can bind to them separately. We worked through this with Amazon support recently and […]
We have a client that keeps encountering a tremendous load on their WordPress Mysql database despite a trivial amount of normal traffic on their blog and lots of tuning that eliminated most normal database access. We tracked this down to the AdRotate plugin, and specifically the tracking callbacks to the admin-ajax interface in WordPress. Each […]