nfs and ssh

　　1. sudo mkdir -p /home/evanwei/tests/factory
　　2. sudo apt-get install nfs-kernel-server
　　3. sudo echo "/home/evanwei/tests/factory *(rw,sync,no_root_squash,insecure,no_subtree_check)" >> /etc/exports
　　4. sudo echo "ALL: ALL" >> /etc/hosts.allow
　　5. sudo /etc/init.d/nfs-kernel-server restart

　　6.

 　  Device:

　　1. press U) to  export the usb drive

　　2. Copy file: USBnet.xml to the mass storage, then umount it.

　　3. then you select X) to exit diags and go to the login prompt

　　4. run : /opt/factory/system_diags -x all_tests.xml

　　5. select Z) to go to usb net mode ;

(do from PC:: sudo ifconfig usb0 192.168.15.201 netmask 255.255.255.0,  then ssh [email protected] )

　　6. mkdir -p /opt/gen3/factory

　　7.mount -o /opt/gen3/factory

　　8. cd /opt/gen3/factory

　　9.