Hacking initrd.img for fun and profit | Arrfab's blog
During my presentation at Loadays 2015 , I was mentioning some tips and tricks around Anaconda and kickstart, and so how to deploy CentOS , fully automated. I asked the audience about where to store the kickstart, that would be used then by anaconda to install CentOS (same works for RHEL/Fedora), and I got several answers, like "on the http server", or "on the ftp server", which is where most people will put their kickstart files. Some would generate those files files "dynamically" (through $cfgmgmt - I use Ansible with Jinja2 template for this - ) as a bonus point. But it's not mandatory to host your kickstart file on a publicly available http/ftp/nfs server, and surely not when having to reinstall nodes not in the same DC. Within the CentOS.org infra, I sometimes have to reinstall remote nodes ("donated" to the Project) that are running CentOS 5 or 6 to 7. That's how injecting your ks file directly into the initrd.img really helps. (yes, so network server needed). Just as an intro, h