jog memory: PostgreSQL
jog memory: PostgreSQL

Purpose These are my notes to help jog my memory1; it is a living document that will be revised as needed. Nearly everything in this document has been referenced at one time or another at https://www.postgresql.org/docs/ Connection Settings By default, Postgres will not accept connections over TCP/IP unless listen_addresses = '*' is enabled. The *... » read more

jog memory: Docker
jog memory: Docker

Purpose These are quick notes to jog memory1; it is a living document in that will expand or modify as needed. Nearly everything in this document has been referenced at one time or another at https://docs.docker.com/. Use the CLI to search Docker Hub General search For example, the repository and container image is saltstack/salt. Search... » read more

jog memory: Git
jog memory: Git

Document Control 1/27/2022: Renamed document title 1/28/2022: Added table of contents, document control Purpose These are quick notes to jog memory1. It is a living document in that will expand or modify as needed. This is a small reference about Git. Official docs available here, https://git-scm.com/doc Remote repo tags Following items Use the following to... » read more

macOS Unix time to Date String
macOS Unix time to Date String

I was working with an API today and received an authentication key, which prompted me to want to know how long it was good for. The returned expiration time was in Unix time1. I knew I could convert the Unix time format into a readable format using the date command from the macOS terminal. The... » read more

Case Insensitive List (ls)
Case Insensitive List (ls)

When I’m using a Unix-like terminal I don’t always remember the full name of a directory or file.  In a Unix-like world, file and directory names are case sensitive. Sometimes the system we are logged into is not always our own and therefore not customized with default settings.  In these situations the following knowledge can... » read more

A Circle, Pi and Basic Formulas

I was looking around for formulas sometime back; really can not remember why, perhaps it was for a class I was taking.  I put together a diagram with the basic formulas shown below. There is a link below the image to a downloadable PDF file. Below is a link to a downloadable PDF version of... » read more