Setup local packages repository

For person in China:

download openwrtyun.tar.gz into PC

Then use winscp ( Select SCP protocol) to upload to Yun:

root@Arduino:/mnt/sda1# md5sum openwrtyun.tar.gz
f4351fcf4ebeda3eec702fa98812cf96  openwrtyun.tar.gz

Make sure md5 hash is f4351fcf4ebeda3eec702fa98812cf96