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Full Discussion: How to find the IP address of a computer that I am connected to?
Special Forums IP Networking How to find the IP address of a computer that I am connected to? Post 302386797 by tukuyomi on Wednesday 13th of January 2010 03:11:52 PM
Old 01-13-2010
The problem with ifconfig is that it will tell you the LAN IP address your MAC is connected to.
I don't know what kind of programs there is on a MAC, but if you have at least mail, wget and a basic shell, and if you know how to code a simple script that you can send to your MAC (via ssh, ...), write a script that wget to a site that returns your current IP address (Current IP Check for example) and send this page to your email address.
Code:
#!/bin/sh
FILE=/tmp/ext_ip

wget -T3 -qO$FILE http://checkip.dyndns.org/

mail -s 'My MAC address' youremail@adress.com << EOF
$(cat ${FILE})
EOF

exit 0

I didn't test the script above, but I hope it can help you a bit
If you can send this script to your machine via SSH or anything else, set the executable flag and use cron (or similar on MAC) to execute this script every hour or so, you'll receive regular emails containing the current (external) IP address of your MAC.
 

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LEARN ABOUT DEBIAN

bt-device

bt-device(1)							    bluez-tools 						      bt-device(1)

NAME

       bt-device - a bluetooth device manager

SYNOPSIS

       bt-device [OPTION...]

       Help Options:
	 -h, --help

       Application Options:
	 -a, --adapter=<name|mac>
	 -l, --list
	 -c, --connect=<mac>
	 -d, --disconnect=<name|mac>
	 -r, --remove=<name|mac>
	 -i, --info=<name|mac>
	 -s, --services <name|mac> [<pattern>]
	 --set <name|mac> <property> <value>
	 -v, --verbose

DESCRIPTION

       This utility is used to manage Bluetooth devices. You can list added devices, connect to a new device, disconnect device, remove added
       device, show info about device, discover remote device services or change device properties.

OPTIONS

       -h, --help
	   Show help

       -a, --adapter <name|mac>
	   Specify adapter to use by his Name or MAC address
	   (if this option does not defined - default adapter used)

       -l, --list
	   List added devices

       -c, --connect <mac>
	   Connect to the remote device by his MAC, retrieve all SDP
	   records and then initiate the pairing

       -d, --disconnect <name|mac>
	   Disconnects a specific remote device by terminating the
	   low-level ACL connection.

       -r, --remove
	   Remove device (and also the pairing information)

       -i, --info
	   Show information about device (returns all properties)

       -s, --services <name|mac> [<pattern>]
	   Starts the service discovery to retrieve remote service records,
	   the `pattern` parameter can be used to specify specific UUIDs

       --set <property> <value>
	   Change device properties (see DEVICE PROPERTIES section for list
	   of available properties)

       -v, --verbose
	   Verbosely display remote service records (affect to service
	   discovery mode)

DEVICE PROPERTIES

       string  Address [ro]
	       The Bluetooth device address (MAC) of the remote device.

       string  Name [ro]
	       The Bluetooth remote device name.

       string  Icon [ro]
	       Proposed icon name according to the freedesktop.org
	       icon naming specification.

       uint32  Class [ro]
	       The Bluetooth class of device of the remote device.

       list    UUIDs [ro]
	       List of 128-bit UUIDs that represents the available
	       remote services.

       boolean Paired [ro]
	       Indicates if the remote device is paired.

       boolean Connected [ro]
	       Indicates if the remote device is currently connected.

       boolean Trusted [rw]
	       Indicates if the remote is seen as trusted.

       boolean Blocked [rw]
	       If set to true any incoming connections from the
	       device will be immediately rejected.

       string Alias [rw]
	       The name alias for the remote device. The alias can
	       be used to have a different friendly name for the
	       remote device.

	       In case no alias is set, it will return the remote
	       device name. Setting an empty string as alias will
	       convert it back to the remote device name.

       boolean LegacyPairing [ro]
	       Set to true if the device only supports the pre-2.1
	       pairing mechanism.

AUTHOR

       Alexander Orlenko <zxteam@gmail.com>.

SEE ALSO

       bt-adapter(1) bt-agent(1) bt-audio(1) bt-input(1) bt-monitor(1) bt-network(1) bt-serial(1)

								    2010-11-22							      bt-device(1)
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