/etc/sysconfig/kernel
# UPDATEDEFAULT specifies if new-kernel-pkg should make
# new kernels the default
UPDATEDEFAULT=yes# DEFAULTKERNEL specifies the default kernel package type
DEFAULTKERNEL=kernel-xen
/etc/sysconfig/kernel
# UPDATEDEFAULT specifies if new-kernel-pkg should make
# new kernels the default
UPDATEDEFAULT=yes# DEFAULTKERNEL specifies the default kernel package type
DEFAULTKERNEL=kernel-xen
RSS 2.0 Specification 日本語訳
http://www.futomi.com/lecture/japanese/rss20.html