#Command-line interface
**srndv2** comes with a selection of command-line arguments for managing your node.
##Rebuild all thumbnails
To rebuild all thumbnails run:
srndv2 tool rethumb
##Generate a new tripcode keypair (prints to stdout)
srndv2 tool keygen
##Add a public key to moderation trust
Where `publickey` is the public key to be added.
srndv2 tool mod add publickey
##Remove a public key from moderation trust
Where `publickey` is the public key to be removed.
srndv2 tool mod del publickey
##Add a new NNTP user
Where `username` is the username and `password` is the user's password for the new uer.
srndv2 tool nntp add-login username password
##Remove an existing NNTP user
Where `username` is the username of the user to be deleted.
srndv2 tool nntp del-login username