Day: July 20, 2021

About YAML

Based on: JSON JSON stands for “javascript object notation” records separated by commas keys & strings wrapped by double quotes good choice for data transport YAML YAML stands for “YAML ain’t markup language” and is a superset of JSON lists begin with a hyphen dependent on whitespace / indentation better suited for configuration than …

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AWS Cloud Development Kit (CDK) – Big Picture

Big Picture Infrastructure as code in TypeScript and Python etc. CDK includes Command line interface (CLI) tool Language bindings to CloudFormation resources Construct Library A Construct is a logical grouping of one or more resources Constructs are reusable cloud components Types of CDK Constructs CFN Resources or L1 Construct (or L1, short for “level 1”) or …

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screen CheatSheet

~/.screenrc Example screen config file: .screenrc Start a new screen session Start a new screen session with session name List screen sessions Attach a screen session <name> can be the part of the session name (search term) if there is no conflict. If the search term match multiple session names, the attach will fail. Detach …

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AWS CLI CheatSheet

Install aws-cli on macOS Based on: Configure default profile AWS Access Key ID AWS Secret Access Key Default region name Default output format Configure a specific profile List default profile information List all profile names Get Access Key ID List all profiles credentials Changing default profile