| ## DevOps Foundations | |
| * What is DevOps? | |
| The practice of operations and development engineers participating together in the entire service lifecycle, from design through the development process of production support. | |
| * The Five Levels of DevOps: | |
| 1. Values | |
| 2. Principles | |
| 3. Methods |
| DevOps Vs. SRE | |
| DevOps Manifesto | |
| 1. Reduce Organizational Silos. (Cross-functionalities) | |
| 2. Accept Failure as Normal. (Be ready for failure and plan a backup) | |
| 3. Implement Gradual Change. (Deploy small incremental changes) | |
| 4. Leverage Tooling & Automation. (Automate repeatable things) | |
| 5. Measure everything. | |
| Above are abstract ideas. |
| # Git Essential: The Basics | |
| * History: | |
| 1. SCSS - Source Code Control System | |
| 1972: closed source, free with Unix | |
| Stored original version and sets of changes | |
| 2. RCS - Revision Control System |
| # Terminal Cheat Sheet | |
| pwd # print working directory | |
| ls # list files in directory | |
| cd # change directory | |
| ~ # home directory | |
| .. # up one directory | |
| - # previous working directory | |
| help # get help | |
| -h # get help |
ls - lists all of the folders
ls -la - lists all of the files
cd .. - returns one dir back
cd - enters a directory
. - just install in the current directory
git --version - checks the version of the installed locally git
git config --global user.name "Your Name" - sets up the name of the user