4.2 YÚN Package Manager
To update Arduino Yún package, we can use opkg command. Firstly, Arduino Yún must be
connected to Internet network. You can do this by connecting Arduino Yún Wifi to existing
Wifi which has Internet access. You can also connect your Arduino Yún to Internet network
via Ethernet cable.
After Arduino Yún connected to Internet network, you can update Arduino Yún package by
typing this command on SSH Terminal.
$ opkg update
Further information about opkg, you can read it on this site, http://wiki.openwrt.org/doc/te-