Friday, 26 October 2012

Running Raspberry Pi Headless

Raspberry Pi, normally needs a keyboard, mouse and a display ( a hdmi-compatible monitor or tv) for input/output. But it is possible to avoid all of these and still use pi with a lot of ease. This can be done by tunneling through pi using SSH - Secure Shell. It is similar to telnet but its more secure. It uses port22 (by default) for transferring data/info from one system to another. Remember that, these systems are connected to a network - LAN.

Any account in a system connected to LAN can be accessed from any other system by knowing 1. IP address of the system, 2. Username and password of the account.

Raspberry Pi running Wheezy: Default login:

username: pi
password: raspberry

We can login to pi using the following command:

$ ssh pi@IP_address_pi

* Note: The IP address of pi can be found by guessing. Follow the video below to successfully login to pi: ( click here for notes/hints )

So, we have logged on to pi successfully. Lets now do more with SSH. The video below demonstrates the following:

1. login to pi thro' ssh
2. editing pi's password
3. navigating filesystem on debian Wheezy
4. Copying files on network
5. Shutdown, Reboot
6. Compile, run C program

click here for notes/hints

Now, lets move on to the PART2 of this tutorial. We could access pi thro' cmd line. But we need GUI - Graphic User Interface for more flexibility and ease of access. The video below walks you thro' the steps involved in accessing pi using a remote GUI (or GUI in remote system):

Thats it i guess... Bye Bye!


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