[root@yzz-test ~]# ifconfig
-bash: ifconfig: 未找到命令


[root@yzz-test ~]# yum search ifconfig
已加载插件：fastestmirror
Loading mirror speeds from cached hostfile
 * base: mirrors.163.com
 * epel: hkg.mirror.rackspace.com
 * extras: mirrors.163.com
 * updates: mirrors.163.com
======================================================== N/S matched: ifconfig ========================================================
python36-ifcfg.noarch : Python cross-platform network interface discovery (ifconfig/ipconfig/ip)


结果：安装之后，没有该指令，尝试采用search all


[root@yzz-test ~]# yum search all  ifconfig
已加载插件：fastestmirror
Loading mirror speeds from cached hostfile
 * base: mirrors.163.com
 * epel: hkg.mirror.rackspace.com
 * extras: mirrors.163.com
 * updates: mirrors.163.com
=========================================================== 匹配：ifconfig ============================================================
python36-ifcfg.noarch : Python cross-platform network interface discovery (ifconfig/ipconfig/ip)
moreutils.x86_64 : Additional unix utilities
net-tools.x86_64 : Basic networking tools
python2-psutil.x86_64 : A process and system utilities module for Python
python34-psutil.x86_64 : A process and system utilities module for Python
python36-psutil.x86_64 : A process and system utilities module for Python
[root@yzz-test ~]# yum install net-tools