LPI Certification Level 1 Exam 101

Out of pure interest and curiosity, I have decided to pursue the LPIC-1: System Administrator certification by the Linux Professional Institute (LPI). In this post, I would like to share more about the exam, and the resources I have used to prepare. Disclaimer: This is NOT an advertisement or endorsement of the certification program or materials. […]

Benchmarking an API’s Response Time

In order to provide response time estimates for an API service, I used two tools, namely Postman (a third party application), and cURL. The latter was used because it gave a more accurate time estimate. Target API Server REST API server powered by Node.js and the Express Web Application Framework Runs on free public tier […]

Finding Postgres pg_hba.conf File

The pg_hba.conf file is the PostgreSQL Client Authentication Configuration File, aka the Host Based Authentication File. Depending on your distro/system, it may be installed in different locations. One easy way to find it would be to issue the following command from the psql command line: psql > SHOW hba_file; This command will show you the […]

Appian 17.2 on Docker

This walk-through explains how to set up Appian 17.2 on Docker. It was going to happen sooner or later 🙂 Approach I deliberated on two approaches: Lightweight containers, and have the host OS to manage the Appian components, and Heavy containers (Appian components sit within Docker image), but rely less on host OS I chose […]