Learn how to use for, while, until, break, and continue in Bash. Includes practical DevOps examples for iterating over server lists, reading logs line by line, and retrying failed commands.
Learn how to use if/elif/else, case…esac, numeric comparisons, string checks, and file tests in Bash. Includes practical DevOps examples for service checks, disk thresholds, and deploy decisions.
Learn Bash Script from the ground up: what Bash is, how to write your first script, use variables, basic commands, debugging, and a DevOps-flavored system check practice.
Automate Docker installation on Ubuntu with a single bash script. Save time and ensure consistent setups across multiple servers.
Understand Docker's Layer and Build Cache mechanisms — why builds are slow and how to optimize for faster builds.
