nfs kdump.usersys.redhat.com:/var/www/html/vmcore core_collector makedumpfile -c -d 31 path /cki/5.14.0-248.1978_761873371.el9.x86_64/7480906/ibm-x3650m4-02-vm-01.ibm2.lab.eng.bos.redhat.com default reboot