Defaults user accounts on the Amazon Linux instance

Each Linux instance launches with a default Linux system user account. The default user name is determined by the AMI that was specified when you launched the instance.

  • For Amazon Linux 2 or the Amazon Linux AMI, the user name is ec2-user.
  • For a CentOS AMI, the user name is centos or ec2-user.
  • For a Debian AMI, the user name is admin.
  • For a Fedora AMI, the user name is fedora or ec2-user.
  • For a RHEL AMI, the user name is ec2-user or root.
  • For a SUSE AMI, the user name is ec2-user or root.
  • For an Ubuntu AMI, the user name is ubuntu.
  • For an Oracle AMI, the user name is ec2-user.
  • For a Bitnami AMI, the user name is bitnami.
  • Otherwise, check with the AMI provider.

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