Environment setup

/etc/hosts:

192.168.0.6	ion
192.168.0.5	quark

/etc/exports:

/home/eddy	ion(rw,sync,no_subtree_check,root_squash)
/	quark(ro,no_subtree_check,no_root_squash)

/etc/fstab:

ion:/	/home/eddy/ion_root	nfs	ro	0 0
quark:/home/eddy	/home/eddy/	nfs	defaults	0 0

/etc/sudoers:

Cmnd_Alias	KERNEL_MODULES = /sbin/insmod, /sbin/rmmod
Host_Alias	LOCALHOST = ion
eddy LOCALHOST = (root) NOPASSWD: KERNEL_MODULES

cscope DB init:

cscope -s<path-to-kernel-sources> -Rkbq