thresh@snowflake /var/ftp/downloads $ rpm -qa | grep kernel-headers
kernel-headers-std26-up-2.6.16-alt13
kernel-headers-common-1.1.7-alt1
kernel-headers-wks26-up-2.6.16-alt8
kernel-headers-std-smp-2.6.18-alt0.12
kernel-headers-modules-std-smp-2.6.18-alt0.12
kernel-headers-modules-std26-up-2.6.16-alt13
kernel-headers-modules-wks26-up-2.6.16-alt8
thresh@snowflake /var/ftp/downloads $ sudo adjust_kernel_headers --list
2.6.16-std26-up
2.6.16-wks26-up
libc-headers
default
thresh@snowflake /var/ftp/downloads $