TLDR
Enter a command. For example: ethtool, ebuild, getent, tcpkill.

ethtool

 
Display and modify Network Interface Controller (NIC) parameters. More information: http://man7.org/linux/man-pages/man8/ethtool.8.html.
 
  • Display the current settings for an interface:
     
    ethtool {{eth0}}
     
  • Display the driver information for an interface:
     
    ethtool --driver {{eth0}}
     
  • Display all supported features for an interface:
     
    ethtool --show-features {{eth0}}
     
  • Display the network usage statistics for an interface:
     
    ethtool --statistics {{eth0}}
     
  • Blink one or more LEDs on an interface for 10 seconds:
     
    ethtool --identify {{eth0}} {{10}}
     
  • Set the link speed, duplex mode, and parameter auto-negotiation for a given interface:
     
    ethtool -s {{eth0}} speed {{10|100|1000}} duplex {{half|full}} autoneg {{on|off}}
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