isoinfo -d -i rhel-9.iso
# At boot menu: press Tab → add: inst.ks=http://webserver/ks.cfg # or from ISO location: inst.ks=hd:device=/dev/sda1:/ks.cfg redhat 9 iso
sudo subscription-manager attach --auto
Sample minimal ks.cfg :
sudo dnf groupinstall "Development Tools" "System Tools" -y sudo dnf install vim wget curl git net-tools tmux -y isoinfo -d -i rhel-9
: After downloading, it's a good practice to verify the integrity of the ISO file using SHA-256 checksums provided by Red Hat. redhat 9 iso