Programster's Blog

Tutorials focusing on Linux, programming, and open-source

UFW Cheatsheet

A cheatsheet for using the uncomplicated firewall (UFW).

Create A GitHub Deploy Key

Create a GitHub deploy key in order to give your pipelines restricted access to just one project.

Jenkins - Storing Passwords, Secrets, and Credentials

Learn how to store secrets / credentials in Jenkins.

Setting Up Google 2FA on PHP

Get started with using 2FA in PHP with Google Authenticator.

AWS - Create Specific Keys For Security Access

See just how easy it is to create keys for your services that have limited access rights. This could save your bacon.

CentOS 7 - Disable Root Login

Managing Encryption Keys (ssh/ssl)

Ubuntu - SSH Two Factor Authentication