bash ifconfig: command not found on Debian Linux

ifconfig command is a useful utility for getting network configuration details on Debian Linux systems. With the older versions of Debian operating systems, ifconfig command packages were default installed. but with the latest Debian systems, the ifconfig command was not installed default with operating system installation.

Error, I faced while running ifconfig on newly installed Debian system:

-bash: ifconfig: command not found

Install Package for ifconfig on Debian

ifconfig command comes from net-tools Debian package. Install this package using the following command which is available under default repositories.

Getting Interface Information using ifconfig

Then you can use this command to check network configuration details. Below command will show details for all interfaces configured on your Debian system.

[email protected]:~# ifconfig 

enp0s3: flags=4163  mtu 1500
        inet 192.168.1.237  netmask 255.255.255.0  broadcast 192.168.1.255
        inet6 fe80::a00:27ff:fe2b:861a  prefixlen 64  scopeid 0x20
        ether 08:00:27:2b:86:1a  txqueuelen 1000  (Ethernet)
        RX packets 3347  bytes 1777600 (1.6 MiB)
        RX errors 0  dropped 1  overruns 0  frame 0
        TX packets 1262  bytes 119822 (117.0 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lo: flags=73  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        inet6 ::1  prefixlen 128  scopeid 0x10
        loop  txqueuelen 1000  (Local Loopback)
        RX packets 69  bytes 4756 (4.6 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 69  bytes 4756 (4.6 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

Use below command to show details for interface eth0 in system

ifconfig enp0s3

To get all interfaces details using ifconfig use following command.

ifconfig -a