2.5.2 Check-cf
Description
Syntax: sc check-cf
Alternative names: checkcf
Authorization level: user
With this action, the CompactFlash Card is read to check whether it has defective sectors. If
errors occur, this is noted in the /var/log/messages file.
2.5.3 Clear
Description
Various actions can be executed using command "sc clear".
sc clear dhcp
Syntax: sc clear dhcp [-INTERFACE]
Alternative names: ---
Authorization level: service
This command clears any state of the DHCP server at the specified interface (default setting
is the system network) and resets it to its initial state. This means that the Lease data is deleted:
All IP addresses are re-assigned in the network and the server "forgets" having ever detected
a master server.
This action is only appropriate on a machine on which the active DHCP server runs.
Note
The clearing of the Lease data does not delete the entire file, but only the data contained
therein. This action also increments the version number, so that available standby DHCP
servers can also perform the deletion.
sc clear preinstalled-keys
Syntax: sc clear preinstalled-keys
Alternative names: ---
Authorization level: service
Configuring the system
2.5 Description of the actions
NCU operating system
Commissioning Manual, 12/2017, 6FC5397-1DP40-6BA1 43
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