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• Datalog and DB

Install software:

opkg update
opkg install python-openssl
opkg install distribute
easy_install pymongo

MongoDB shell:

root@debian226-8:~# mongo 192.168.0.240:27017/project  -u web_user  -p temp
MongoDB shell version: 2.4.10
connecting to: 192.168.0.240:27017/project
> db.testcollection.insert({"message":"Hello, remote user!"})
> db.testcollection.find()
{ "_id" : ObjectId("558bca5bc818c9ebe01ebdfb"), "message" : "Hello, remote user!" }

nano mongodb.py

#!/usr/bin/python
from pymongo import MongoClient
mongoserver_uri = "mongodb://web_user:[email protected]:27017/project"
conection = MongoClient(host=mongoserver_uri)
db = conection['project']
collection = db['testcollection']
print collection.find_one()

chmod 755 mongodb.py

./mongodb.py
{u'message': u'Hello, remote user!', u'_id': ObjectId('558bca5bc818c9ebe01ebdfb')}

• Utilities

Install software:

opkg update
opkg install usbreset

root@Arduino:~# usbreset
Usage:
  usbreset PPPP:VVVV - reset by product and vendor id
  usbreset BBB/DDD   - reset by bus and device number
  usbreset "Product" - reset by product name
Devices:
  Number 001/001  ID 1d6b:0002  Generic Platform EHCI Controller
  Number 001/002  ID 058f:6254  USB2.0Hub
  Number 001/003  ID 05e3:0606  USB2.0 Hub
  Number 001/005  ID 0d8c:000c  C-Media USB Headphone Set
  Number 001/004  ID 058f:6366  Mass Storage Device

• Languages and Yun
• Datalog and DB

opkg update
opkg install pgsql-cli

nano postgres.sh

#!/bin/sh
psql -h 192.168.0.240 -U postgres  -d mypgdatabase<< EOF
select username, password from login;
EOF

chmod 755 postgres.sh

./postgres.sh
 username | password
----------+----------
 sonnyyu  | password
(1 row)