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mdata-delete - Online in the Cloud

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This is the command mdata-delete that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator



mdata-delete -- Delete a metadata key-value pair.


/usr/sbin/mdata-delete keyname


The mdata-delete command allows the user (or a script) to modify the metadata for a guest
instance running in a SmartDataCenter (SDC) cloud. Metadata values are generally set
programmatically via CloudAPI, or during interactive provisioning via a Web Portal. They
may also be set from within the instance with the mdata-put command.

The key-value pair for keyname will be removed permanently from the metadata stored for
this guest instance. Deletion of a key which did not exist is not considered an error.

If the metadata service is unavailable at the time of the request, this command will block
waiting for it to become available. Non-transient failures will cause the program to exit
with a non-zero status. Depending on the nature of the error, some diagnostic output may
be printed to stderr.


The following exit values are returned:

Successful completion.

The key-value pair named keyname was removed from the instance metadata, or did not
initially exist.

An error occurred.

An unexpected error condition occurred, which is believed to be a non-transient
condition. Retrying the request is not expected to resolve the error condition;
either a software bug or misconfiguration exists.

A usage error occurred.

Malformed arguments were passed to the program. Check the usage instructions to
ensure valid arguments are supplied.

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