ifconfig command missing from Debian Stretch

The  ifconfig command has been deprecated in favour of the iproute2 (the ip  command), therefore missing by default on Debian 9. Similarly, the arp , route  and netstat  commands are also deprecated. The announcement was made back in 2009.

If you would like to continue using  ifconfig  you can install it with the following command

The new and recommend alternative network tool on Debian Stretch is  ip

Debian 9 ifconfig deprecated
Debian 9 ifconfig deprecated

The command syntax is similar.

  • Show network devices and configuration:  ip a instead of  ifconfig
  • Enable an interface:  ip link set eth0 up instead of  ifconfig eth0 up
  • Disable an interface:  ip link set eth0 down instead of  ifconfig eth0 down

Other examples.

  • Display information about all IPv4 network interfaces:  ip -4 a
  • Display information about all IPv6 network interfaces:  ip -6 a
  • Display information about a particular interface:  ip a show eth0

 

 

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