Ok... try this...
yum update smeserver-yum \
--disablerepo=* \
--enablerepo=base \
--enablerepo=updates \
--enablerepo=smeos \
--enablerepo=smeupdates \
--enablerepo=smeaddons
signal-event post-upgrade
signal-event reboot
db yum_repositories setprop updates Exclude kernel,kernel-smp,mkinitrd,mdadm,initscripts
db yum_repositories setprop base Exclude kernel,kernel-smp,mkinitrd,mdadm,initscripts
db yum_repositories setprop centosplus Exclude kernel,kernel-smp,mkinitrd,mdadm,initscripts
expand-template /etc/yum.conf
yum update \
--disablerepo=* \
--enablerepo=base \
--enablerepo=updates \
--enablerepo=centosplus \
--enablerepo=smeos \
--enablerepo=smeupdates \
--enablerepo=smeaddons
I haven't said 'y' yet.