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CHAPTER 16: ADVANCED CONFIGURATION
look for /bin/ssh -MN -o ControlPath=/var/run/cascade/%h slavename.
These are the slaves that are connected.
NOTE: The end of the Slaves’ names will be truncated, so the first 5 characters must be unique.
Alternatively, you can write a custom CGI script as described above. The currently connected Slaves can be determined by running
ls /var/run/cascade and the configured slaves can be displayed by running config -g config.cascade.slaves.
16.13 SMS SERVER TOOLS
Firmware releases v3.1 and later include the SMS Server Tools software that provides an SMS Gateway that can send and receive
short messages through GSM modems and mobile phones.
You can send short messages by simply storing text files into a special spool directory. The program monitors this directory
and sends new files automatically. It also stores received short messages into another directory as text files. Binary messages
(including Unicode text) are also supported, for example ring tone messages. It's also possible to send a WAP Push message to a
WAP- or MMS-capable mobile phone.
The program can be run as an SMS daemon which can be started automatically when the operating system starts. High availability
can be ensured by using multiple GSM devices (currently up to 64).
The program can run other external programs or scripts after events like reception of a new message, successful sending and also
when the program detects a problem. These programs can inspect the related text files and perform automatic actions.
The SMS Server Tools software needs a GSM modem (or mobile phone) with SMS command set according to the European
specifications
GSM 07.05 (=ETSI TS 300 585) and GSM 03.38 (=ETSI TS 100 900).
The AT command set is supported. Devices can be connected with serial port, infrared or USB.
For more information see http://smstools3.kekekasvi.com/
16.14 MULTICAST
By default, all Black Box console servers come with Multicasting enabled. Multicasting provides Black Box products with the ability
to simultaneously transmit information from a single device to a select group of hosts.
With firmware releases v3.1 and later, multicasting can be disabled and re-enabled from the command line. To disable multicasting
type:
ifconfig eth0 -multicast
To re-enable multicasting from the command line type:
ifconfig eth0 multicast
IPv6 may need to be restarted when toggling between multicast states.
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