Day: August 7, 2014

Useful networking commands for listing open ports and listening services.

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To print a list of all open ports and established TCP connections, type this command. homer@deusexmachina /etc/asterisk $ netstat -vatn Active Internet connections (servers and established) Proto Recv-Q Send-Q Local Address Foreign Address State tcp 0 0 127.0.0.1:4101 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:139 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:111 0.0.0.0:* LISTEN tcp 0 0 … Read more

A useful script for gaining information about your Ethernet adapter.

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This useful shell script will print information about your Ethernet or Wireless adapter. This is very useful for getting a lot of information at once. #!/bin/sh   DEV="eno16777736"   echo "Showing information for the active network interface: $DEV."   echo -e "-*- \e[1mGet timestamping information for your Ethernet device.\e[0m -*-" echo   ethtool -T $DEV … Read more