2. Introduction in Config Management

A config management tool will bring your environment in a defined state.

2.1. Basics

• configure some files
• manage packages
• manage services
• manage user & groups
• manage volumes / mountpoints

2.2. Benefits

• documented infrastructure
• simple recovery process
• audit-trail of the changes
• people can leave the company and you’re not in the dark

2.3. Important Points

• use a Source Code Management Tool
• K-I-S-S (keep it simple & stupid)
• no manual changes!
• test changes, before you run it on every server

Danger

It can destroy your whole infrastrucutre ;-)