Команда chkey
Change user's secure RPC key pair.
chkey [ -p ] [-s nisplus | nis | files ] [-m <mechanism> ]
| -p | Re-encrypt the existing secret key with the user's login password. |
| -s nisplus | Update the NIS+ database. |
| -s nis | Update the NIS database. |
| -s files | Update the files database. |
| -m <mechanism> | Changes or re-encrypt the secret key for the specified mechanism. |