make_centos

make_centos allows one to create a customized CentOS 7 ISO image with additional packages if wished and Kickstart files to automate the installation process.

Requirements

In order to create a customized CentOS ISO image, you need to have the following:

• A running Fedora or CentOS machine
• A broadband internet connection to download the source ISO image
• Disk space from 2 GB to 20 GB (depending on your preferences (Minimal, DVD, or Everything)

Setup

A bunch of packages needs to be installed on the system you are using to create the ISO image:

sudo dnf -y install wget createrepo isomd5sum genisoimage syslinux

Usage

The script is make_centos.sh handles all tasks. -h displays some details about the usage:

usage:
        make_centos.sh [options] command
options:
  -h              Show this help

commands:
  check           Check the ISO image
  clean           Clean up folders
  fetch           Fetch the ISO image that acts as source
  create          Create the new ISO image

Before running the script please update the variables. The directory layout looks like this:

.
├── config --------- The isolinux.cfg is stored here
├── iso ------------ This folder will store the downloaded ISO images
├── kickstart ------ All kickstart files will end up on the ISO image
├── rpms ----------- Place all custom RPMS inthis folder
└── unpacked ------- Here is the original ISO image content stored

Test your ISO

There are many way to run the created ISO file, one is qemu:

qemu-system-x86_64 -boot d  -m 1024 -cdrom your.iso

Credits

This project was inspired by the work of:

• https://github.com/joyent/mi-centos-7
• https://ask.fedoraproject.org/en/question/46020/build-a-bootable-dvd-that-uses-kickstart/
• http://www.redhat.com/archives/kickstart-list/2014-August/msg00010.html

License

make_centos licensed under MIT, for more details check LICENSE.