## nfs
pc:
df $HOME
sudo vi /etc/exports
/mnt *(rw,sync,no_root_squash,no_subtree_check)
sudo /etc/init.d/nfs-kernel-server restart
sudo /etc/init.d/rpcbind restart
sudo ifconfig enp2s0 10.6.4.246 broadcast 10.6.4.254 netmask 255.255.255.0
board:
ifconfig eth0 10.6.4.33 broadcast 10.6.4.254 netmask 255.255.255.0
mount -t nfs -o nolock 10.6.4.246:/mnt /system/zhoudd