This is a short overview of usage of the NetInstall ISO files that Red Hat, CentOS, and even Fedora make available.
ACQUIRE THE ISO
For simplicity I will only link to the CentOS & Fedora images.
For CentOS you will be brought to a mirror list, choose one. Then pick the appropriate NetInstall ISO to download.
IMAGE YOUR MEDIA
Next we need to image your media with the ISO.
CLI -- edit iso name and drive name appropriately
dd bs=4M if=/path/to.iso of=/dev/sdXX
GUI via Etcher
- GUI via Fedora Disk Writer
RUN THE INSTALLER ON TARGET
Boot the installer on your target machine.
The installer is rather straightforward. When you get to the installation source, you will need to select a mirror or have the autoselection take place.
To setup the URL for the autoselection:
The protocol pulldown needs to be
The CentOS 6 i386 URL is
The CentOS 6 x86_64 is
The CentOS 7 i386 URL is
The CentOS 7 x86_64 is