NAME

       ec2-modify-instance-attribute - Modify an instance attribute

SYNOPSIS

        ec2minatt ([ec2-modify-instance-attribute, ec2miatt])
        ec2minatt [GENERAL OPTIONS] [SPECIFIC OPTIONS] INSTANCE

GENERAL NOTES

        Any command option/parameter may be passed a value of '-' to indicate
        that values for that option should be read from stdin.

DESCRIPTION

        Modifies an instance attribute. Only one attribute can be specified per
        call.

GENERAL OPTIONS

        -O, --aws-access-key KEY
            AWS Access Key ID. Defaults to the value of the AWS_ACCESS_KEY
            environment variable (if set).

        -W, --aws-secret-key KEY
            AWS Secret Access Key. Defaults to the value of the AWS_SECRET_KEY
            environment variable (if set).

        -T, --security-token TOKEN
            AWS delegation token. Defaults to the value of the AWS_DELEGATION_TOKEN
            environment variable (if set).

        -K, --private-key KEY
            [DEPRECATED] Specify KEY as the private key to use. Defaults to the value of the
            EC2_PRIVATE_KEY environment variable (if set). Overrides the default.

        -C, --cert CERT
            [DEPRECATED] Specify CERT as the X509 certificate to use. Defaults to the value
            of the EC2_CERT environment variable (if set). Overrides the default.

        -U, --url URL
            Specify URL as the web service URL to use. Defaults to the value of
            'https://ec2.amazonaws.com' (us-east-1) or to that of the
            EC2_URL environment variable (if set). Overrides the default.

        --region REGION
            Specify REGION as the web service region to use.
            This option will override the URL specified by the "-U URL" option
            and EC2_URL environment variable.
            This option defaults to the region specified by the EC2_URL environment variable
            or us-east-1 if this environment variable is not set.

        -D, --auth-dry-run
            Check if you can perform the requested action rather than actually performing it.

        -v, --verbose
            Verbose output.

        -?, --help
            Display this help.

        -H, --headers
            Display column headers.

        --debug
            Display additional debugging information.

        --show-empty-fields
            Indicate empty fields.

        --hide-tags
            Do not display tags for tagged resources.

        --connection-timeout TIMEOUT
            Specify a connection timeout TIMEOUT (in seconds).

        --request-timeout TIMEOUT
            Specify a request timeout TIMEOUT (in seconds).

SPECIFIC OPTIONS

        -b, --block-device-mapping MAPPING
            Modifies the block-device-mapping for the instance, in the form
            '<device>=<block-device>', where 'block-device' can be one of the
            following:

             - '[<volume-id>][:<delete-on-termination>]': indicates that an Amazon
               EBS volume should be exposed at the specified device. The following
               combinations are supported:

                - '<volume-id>': the ID of Amazon EBS volume, which must be owned
                  by the caller.

                - '<delete-on-termination>': indicates whether the Amazon EBS
                  volume should be deleted on instance termination. If not
                  specified, this will default to 'true' and the volume will be
                  deleted.

               For example: '/dev/sdb=vol-7eb96d16
                            '/dev/sdc=vol-7eb96d16:false

            See the latest Developer's Guide for further information.

        -t, --instance-type INSTANCETYPE
            Sets the instance-type of the specified instance to
            INSTANCETYPE.

        --disable-api-termination BOOLEAN
            Sets whether to disallow the termination of the instance
            using the API. Valid options are 'true' and 'false'.

        --instance-initiated-shutdown-behavior BEHAVIOR
            Sets the behavior of the instance for an instance initiated
            shutdown (i.e. 'shutdown -h now').

             - 'stop': indicates that the instance should move into the stopped
                state and remain available to be restarted.

             - 'terminate': indicates that the instance should move into the
                terminated state.

        --kernel KERNEL
            Sets the ID of the kernel to be used by the instance
            to KERNEL.

        --ramdisk RAMDISK
            Sets the ID of the ramdisk to be used by the instance
            to RAMDISK.

        --user-data USERDATA
            Sets the user data associated with the instance
            to USERDATA.

        --source-dest-check BOOLEAN
            Sets whether to enable the source/dest check on traffic through this instance.
            Valid options are 'true' and 'false'.

        -g, --group-id GROUP_ID [ --group-id GROUP_ID [...]]
            Replace the security groups for a VPC instance.

        --ebs-optimized BOOLEAN
            Provides dedicated throughput to Amazon EBS and a software
            stack optimized for EBS I/O. Additional usage charges apply
            when using this option.

        --sriov SRIOV
            Set SR-IOV networking support for the instance.

SEE ALSO

         http://docs.amazonwebservices.com/AWSEC2/2014-05-01/CommandLineReference
         http://docs.amazonwebservices.com/AWSEC2/latest/CommandLineReference