docs: add -k option to genimage for xCAT to make sure we get consistent kernels
on headnode/computes
# Save chroot location for compute image
[sms](*\#*) export CHROOT=/install/netboot/BOSSHORT/x86_64/compute/rootimg/
# Build initial chroot image
-[sms](*\#*) genimage BOSSHORT-x86_64-netboot-compute
+[sms](*\#*) genimage BOSSHORT-x86_64-netboot-compute -k `uname -r`
\end{lstlisting}
% end_ohpc_run
