SSH connect to Rpi using terminal
>> ssh pi@IP
>>ssh pi@192.168.0.105
copy file from Rpi to Ubunto Desktop
>> sudo scp <file in Rpi> <username@IP>:<location to save>
>> sudo scp /home/pi/humidityold.txt asanka@192.168.0.101:home/asanka/Desktop/
If ssh connection is refused by port 22;
>> sudo service ssh status
if not fund
>> sudo apt-get install openssh-server
