Reference · Beginner

@Fs

Lessons in the @Fs track.

Who it is for

You should already know

You will be able to

Lessons

  1. AWS CLI Config File: Profiles, Regions, Output, and Role Settings Learn how to configure ~/.aws/config with AWS CLI profiles, Regions, output formats, role assumption, IAM Identity Center, credential sources, and troubleshooting.
  2. AWS CLI Credentials: Configuration, Profiles, and Secure Access Learn how AWS CLI and SDK credentials work, where profiles are stored, how precedence is resolved, how to verify identities, and how to use secure temporary access.
  3. AWS Credentials Configuration Learn how AWS CLI and SDK credentials are stored, selected, configured, verified, and secured using profiles, roles, SSO, and temporary credentials.
  4. AWS Credentials File and Profile Configuration Learn how to create, locate, secure, and use AWS shared credentials files, named profiles, temporary credentials, role profiles, and IAM Identity Center.
  5. AWS Credentials File: Configuration, Profiles, and Secure Usage Learn how the AWS shared credentials file works, configure CLI and SDK profiles, understand credential resolution, use temporary credentials, and troubleshoot AWS authentication securely.
  6. AWS Credentials File: Profiles, Configuration, and Secure Usage Learn how AWS credentials work, where the shared credentials file is stored, how profiles and credential resolution work, and how to configure AWS CLI and SDK access securely.
  7. AWS Credentials: Configuration, Profiles, and Secure Authentication Learn how AWS credentials, profiles, roles, environment variables, and IAM Identity Center authenticate AWS CLI and SDK requests securely.
  8. Inspecting Process 1 Environment Variables with /proc/1/environ Learn what /proc/1/environ contains, how to read its NUL-delimited variables safely, troubleshoot access restrictions, and inspect host or container PID 1.
  9. Understanding /proc/self/environ on Linux Learn what /proc/self/environ contains, how to parse its NUL-delimited data, understand process targeting and permissions, and avoid exposing secrets.
  10. Understanding the /etc/passwd File Learn how Unix and Linux /etc/passwd entries map names to UIDs, describe account properties, use shadow passwords, and support safe account administration.