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Linux in a Nutshell

This directory of Linux commands is from Linux in a Nutshell, 5th Edition.

Click on any of the 687 commands below to get a description and list of available options. All links in the command summaries point to the online version of the book on Safari Bookshelf.

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dnssec-signkey

dnssec-signkey [options] keyset key-identifiers

System administration command. Sign a secure DNS keyset with the key signatures specified in the list of key-identifiers. A zone administrator would use this command to sign a child zone's keyset with the parent zone's keys. For more information on Secure DNS, see DNS and BIND (O'Reilly), or read RFC 2535.

Options

-a

Verify generated signatures.

-c class

Specify the DNS class of the keyset.

-e end-time

Specify the date and time the records will expire. The end-time may be specified in yyyymmddhhmmss notation, or as +n seconds from the start-time. The default is 30 days from start-time.

-h

Print help message, then exit.

-p

Use pseudo-random data to sign the zone key.

-r device

Specify the device to use as a source of randomness when creating keys. This can be a device file, a file containing random data, or the string keyboard to specify keyboard input. By default, /dev/random will be used when available, and keyboard input will be used when it is not.

-s start-time

Specify the date and time the records become valid. The end-time may be specified in yyyymmddhhmmss notation, or given as +n seconds from the current time. The default is the current time.