このセクションでは、ifconfigコマンドを使えるようにすることに紹介します。

最小構成（mini）でAlmaLinuxをインストールした場合、インストール直後はifconfigが使えない状態になっています。

[root@pub-web ~]# ifconfig
-bash: ifconfig: command not found
[root@pub-web ~]# 

net-toolsをインストールします。

[root@pub-web ~]# yum install net-tools
Last metadata expiration check: 2:57:03 ago on Mon Jul 31 01:20:24 2023.
Dependencies resolved.
================================================================================
 Package         Architecture Version                        Repository    Size
================================================================================
Installing:
 net-tools       x86_64       2.0-0.62.20160912git.el9       baseos       292 k

Transaction Summary
================================================================================
Install  1 Package

Total download size: 292 k
Installed size: 912 k
Is this ok [y/N]: y
ーー（省略）ーー
[root@pub-web ~]#

ifconfigコマンドが使えることを確認します。

[root@pub-web ~]# ifconfig -a
ens2: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.1.101  netmask 255.255.255.0  broadcast 192.168.1.255
        inet6 2400:4151:442:8d00:5054:ff:fe4b:70  prefixlen 64  scopeid 0x0<global>
        inet6 fe80::5054:ff:fe4b:70  prefixlen 64  scopeid 0x20<link>
        ether 52:54:00:4b:00:70  txqueuelen 1000  (Ethernet)
        RX packets 1036  bytes 150486 (146.9 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 83  bytes 5908 (5.7 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        inet6 ::1  prefixlen 128  scopeid 0x10<host>
        loop  txqueuelen 1000  (Local Loopback)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

[root@pub-web ~]#