iam

  • components: user, group, role, policy
  • user has many groups
  • role is defined for aws resources
  • policy can be used to define role, user, group access
  • policy is a json file defining one or more permissions

create a user

  1. console
    • need user name and password
    • can reqeust to reset password
  2. programtic
    • access key id, access key secret
    • only able to see the secret when creating the user, need to download the csv for further reference

create a role

  1. can create from a aws resource
    • e.g EC2 giving s3 read permission, any instance has this role attached can access S3

exam tips

  • iam is global, does not relate to region
  • root account is the account first created, shouldn’t use this account normally
  • always use MFA on root account