Where the working directory is the file structure to become the.

iso, I used this command: genisoimage -U -r -v -T -J -joliet-long -V 'CentOS 7 x86_64' -volset 'CentOS 7 x86_64' -A 'CentOS 7 x86_64' -b isolinux/isolinux.bin -c isolinux/boot.cat -no-emul-boot -boot-load-size 4 -boot-info-table -eltorito-alt-boot -e images/efiboot.img -no-emul-boot -o. product.imgĪnd was placed in linux/images in the ISO path The image file was created using this command: find. img file into the file structure of the installed OS? This suggests the product.img file was ignored. iso, it doesn't have installX.sh anywhere on the system when running find / -name installX.sh. I then placed that in the images folder and generated the. I've followed the instructions here, creating a product.img with the file structure: /sbin/installX.sh, /.buildstamp iso that has a set of scripts included, eg. This is my first post, so let me know if I am doing anything wrong or if any additional information is required debug this issue.I'm trying to create a custom CentOS 7. I am not too sure what I am doing wrong, whether I am creating the driver incorrectly, loading the driver incorrectly, creating the initrd.img incorrectly or anything else.Īny help would be appreciated as I have been trying to get this working for the past few days.

Gives the old version of the driver that was on the initrd.img initially (e1000e version 3.2.6) rather than version 3.6.0 which I loaded onto the initrd.img image. I am able to boot from the ISO and install Centos 7 from it, however after installing Centos, running the following command: modinfo e1000e

Copy the generated initrd.img back into the ISO at isolinux/initrd.img and images/pxe/initrd.imgĪfter updating the driver in the initrd.img and copying it into the ISO, I expect the new driver (e1000e version 3.6.0) to be loaded in after the ISO install boot process is complete.

Xz -dc /dev/null | cpio -c -o | xz -9 -check=crc32 >.

Extracted the initrd.img the folder by running.

Created a new folder at /tmp/image/initrd.

Copied the initrd.img from isolinux/initrd.img to temporary folder (/tmp/image).

Steps taken: Extracted initrd image from ISO: I have been trying to load an updated initrd.img file with updated drivers on booting the Centos 7.6 ISO, however it seems to still load the old driver even though I have replaced the driver.

Centos 7.6 iso