MySQL 5.7 New JSON Functionality

Ubuntu 14.04 - Install MySQL 5.7

MySQL - Replace Statements

MySQL - Prevent Defaulting to Allow Defaults

Smartmontools and Smartctl Cheatsheet

Learn how to run SMART tests for checking the health of your storage drives.

Recover BTRFS Array After Device Failure

Label RAID Drives With QR Codes

Check Your Website's SSL Certificates

Generate A CSR

Simplifying TLS And Using It For Docker

Lear about Transport Layer Security (TLS), in this tutorial where we set up a certificate authority, and then use it to sign certificates that we use for sending trusted requests/commands to Docker hosts.

MySQL Query Cheatsheet

A cheatsheet for MySQL queries.

Ansible - Use SSH Keys

Learn how to get Ansible to use SSH keys to connect to your servers, rather than passwords.