Posts

How to Install Docker on Amazon Linux 2

After doing your initial sudo yum update -y you can install docker with: sudo amazon-linux-extras install docker Add the ec2-user to …

My Approach to Leadership: A Study of Style

All the points below are just variations of the central theme: a good leader's job is to encourage, support, and empower. It's really …

How to Forward SSH Port Using UFW/Iptables

How to forward the default SSH port from the public internet to an internal containerized service.

Read a filtered list of files from a directory and ask the user to choose one (Bash)

One of the most powerful aspects of Docksal is how easy it is to extend base functionality with Bash scripts. A common use-case is to …

How to Install Python with Brew in Mac OSX

OSX ships with an older version of Python. Install using Homebrew:

brew install python

How to Downgrade Postgresql from 11 to 9 to fix "pg_dump: aborting because of server version mismatch" error

Gitlab Omnibus ships with Postgres 9.6. Unfortunately for me, several online references suggest using an external Postgres database …

How to Use the AWS CLI to List IP Addresses and Other Instance Information

A common request from security officers (ISSO's), managers, or other stakeholders is a high-level summary of instances in their hosting …

Taming Google Search Results With UBlock Origin

Web advertising is a cancer. What purportedly began as a way to fund the production of quality content has metastasized into a …

Changing the Key Repeat Rate in OSX

Mac OSX ships with very slow key repeat rates (how quickly a key repeats after it is first pressed, and how quickly a key input repeats …