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MDATA-PUT(1) Metadata Commands MDATA-PUT(1) NAME mdata-put -- Set the value of a metadata key-value pair. SYNOPSIS /usr/sbin/mdata-put keyname [ value ] DESCRIPTION The mdata-put 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 interac- tive provisioning via a Web Portal. The value of a key-value pair may be obtained by passing its name to the mdata-get command. The key-value pair named keyname will be updated in the metadata store for this instance. If a value argument is provided on the command-line, then that value will be used. Otherwise, if stdin is not a tty, the value will be read from stdin. If the metadata service is unavailable at the time of the request, this command will block waiting for it to become available. Non-transient fail- ures, such as the non-existence of the requested keyname, will cause the program to exit with a non-zero status. Depending on the nature of the er- ror, some diagnostic output may be printed to stderr. EXIT STATUS The following exit values are returned: 0 Successful completion. The requested keyname was valid, and its value was updated. 2 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. 3 A usage error occurred. Malformed arguments were passed to the program. Check the usage in- structions to ensure valid arguments are supplied. SEE ALSO mdata-delete(1), mdata-get(1), mdata-list(1) Joyent SmartDataCenter October 2013 MDATA-PUT(1)
NAME | SYNOPSIS | DESCRIPTION | EXIT STATUS | SEE ALSO
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