1. install net-tools

$ sudo apt install net-tools
[sudo] password for wsd02:
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
The following packages were automatically installed and are no longer required:
  libflashrom1 libftdi1-2
Use 'sudo apt autoremove' to remove them.
The following NEW packages will be installed:
  net-tools
0 upgraded, 1 newly installed, 0 to remove and 6 not upgraded.
Need to get 204 kB of archives.
After this operation, 819 kB of additional disk space will be used.
Get:1 http://jp.archive.ubuntu.com/ubuntu jammy/main amd64 net-tools amd64 1.60+git20181103.0eebece-1ubuntu5 [204 kB]
Fetched 204 kB in 0s (948 kB/s)
Selecting previously unselected package net-tools.
(Reading database ... 220496 files and directories currently installed.)
Preparing to unpack .../net-tools_1.60+git20181103.0eebece-1ubuntu5_amd64.deb ...
Unpacking net-tools (1.60+git20181103.0eebece-1ubuntu5) ...
Setting up net-tools (1.60+git20181103.0eebece-1ubuntu5) ...
Processing triggers for man-db (2.10.2-1) ...

2. ifconfig

$ ifconfig
enp2s0: flags=4163  mtu 1500
        inet 192.168.1.140  netmask 255.255.255.0  broadcast 192.168.1.255
        inet6 2405:6585:a320:4f00:428d:5cff:fe39:387d  prefixlen 64  scopeid 0x0
        inet6 fe80::428d:5cff:fe39:387d  prefixlen 64  scopeid 0x20
        ether 40:8d:5c:39:38:7d  txqueuelen 1000  (Ethernet)
        RX packets 119829  bytes 16363195 (16.3 MB)
        RX errors 0  dropped 81316  overruns 0  frame 0
        TX packets 13798  bytes 2701560 (2.7 MB)
        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 200  bytes 21444 (21.4 KB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 200  bytes 21444 (21.4 KB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0