[CentOS] How to Load Custom CentOS 7 Image

Wed May 20 17:17:44 UTC 2020
Larry Apolonio <centos-list at rh73.com>

It seems like kickstart is what you are looking for.  I have done this 
heavily the past few months.

I have created iso, pxe boot, and created custom usb flash drives.

The iso method works for my on my ESXi host VMs, the USB one needed a 
boot cd to test on my ESXi host that later transferred the boot process 
to the USB.

I have done some testing on EFI vs BIOS boot on physical hardware.  I 
have not resolved all my problems with EFI but most BIOS installed 
worked without any problems.

Another problem I have had was physical boxes with only EFI and USB3 
only ports, CentOS 7.7 was problematic, my fix was to boot off a USB and 
point to a web server that had.

In the end my goal is to make it easier for my Windows friends to get in 
to Linux by providing a USB flash drive that builds a server for them, I 
was able to kickstart build popular packages without Docker

Some of the native packages I had were

  * plex
  * zoneminder
  * homeassistant
  * DNS/DHCP with DoH support

Here is a video of a workstion kickstart on a USB flash drive


Is this what you were trying to do?


On 5/15/2020 7:24 AM, Xinhuan Zheng wrote:
> Dear Earl Ramirez,
>> I created a custom ISO a couple of years ago [0], you can use it as
>> your base of one of the following links[1-4], should be sufficient to
>> get you started.
>> [0] https://github.com/EarlRamirez/snipeit_iso
> In above github project, in https://github.com/EarlRamirez/snipeit_iso/blob/master/isolinux/grub.conf file, there is ‘@‘ symbol for splashimage, and for kernel, @KERNELPATH@, @ROOT@, etc.
> Will those be replaced by actual values? Where do actual values come from? How does actual values substitute those variables?
> Thanks again,
> - Xinhuan
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