Depending on the OS version and which configuration you selected during installation, you might discover that ifconfig
is not installed by default in your new RHEL or CentOS build. Unfortunately, searching yum
might not tell you the name of the package you need to install. I'll save you some looking, the package you need is called "net-tools."
You can install net-tools
with this command:
# yum -y install net-tools
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