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Create Root CA (Done once)

Create Root Key

Attention: this is the key used to sign the certificate requests, anyone holding this can sign certificates on your behalf. So keep it in a safe place!

openssl genrsa -des3 -out rootCA.key 4096
@tetejunior
tetejunior / installing_postgresql.md
Created July 27, 2021 03:15 — forked from 15Dkatz/installing_postgresql.md
PostgreSQL installation tutorial

Let's install PostgreSQL onto your operating system.

As an open source object-relational database management system, PostgreSQL available for MacOS, Linux, and Windows.

Goal for each Operating System

The goal will be to run the following command successfully from the command line (regardless of the OS):

psql -U postgres

This should open the psql interactive shell and print a prompt that looks like: