Launchpad is a web application and website that allows users to develop and maintain software, particularly free software. Launchpad is developed and maintained by Canonical Ltd. (http://en.wikipedia.org/wiki/Launchpad_(website)

For HELP you can also visit

https://help.launchpad.net/YourAccount/CreatingAnSSHKeyPair

Open terminal in your ubutu-box and type:

1. sudo apt-get install openssh-client

2. ssh-keygen -t rsa ( to create dsa key,
 type ssh-keygen -t dsa)
3. When prompted, press Enter to accept the default file name for your key. Check the path where the key is stored or else define the path yourself.
4. Press Enter to confirm a password to protect your SSH key.
Your key pair is stored in ~/.ssh/ (or the path you've mentioned) as id_rsa.pub (public key) and id_rsa (private key)
5. Open the id_rsa.pub in any text editor, and copy the contents

6. Now , open https://launchpad.net/people/+me/+editsshkeys   to paste your copied SSH key in the text box provided in the page.
7. Click on "Import public key" button to continue.

Your SSH key is now saved. You will also get a mail for the change is ssh key into your mail box which is registered with the Launchpad.

On the same page you can remove your SSH key and can add new one.
Just select the key to remove and click on "Remove"

You can also see "How to Add SSH key to GIT"

How to add Rage / Troll Faces in the Facebook chat

Well everyone knows about facebook..right. And Trolls are the integral part of the facebook.

You will find them everywhere.

If not seen yet, this is the Famous One Named "Troll Face"

Not exactly sure how it started and who started it but its now a part of Internet.

Now You can use these trolls faces in your facebook chat as well. Just Type the following code and Enjoy the Rage Chatting. Say for troll face, type  [[171108522930776]]

But remember...use at your own risk XD

Troll face:  [[171108522930776]]

Me Gusta: [[211782832186415]]

Cereal Guy: [[170815706323196]]

LOL Face: [[168456309878025]]

NO Guy: [[167359756658519]]

Mother of God: [[142670085793927]]

Derp: [[224812970902314]]

Derpina: [[192644604154319]]

Forever Alone: [[177903015598419]]

Yao Ming: [[218595638164996]]

F**k yeah: [[105387672833401]]

Challenge accepted: [[100002727365206]]

Okay face: [[100002752520227]]

Dumb bitch: [[218595638164996]]

Not Bad: [[NotBaad]]

Okay face: [[224812970902314]]

Socially awkward penguin: [[98438140742]]

Rage face: [[FUUUOFFICIAL]]

Lamp: [[100001256102462]]

ARE YOU F**KING KIDDING ME: [[143220739082110]]

No: [[167359756658519]]

MOG: [[142670085793927]]

Poker face: [[129627277060203]]

Feel like a sir: [[168040846586189]]

If you want to know how these Rage Faces look, goto  http://alltheragefaces.com/  and type in the search bar.

Or else www.Google.com is always there

Free RAM in Windows OS using NOTEPAD

RAM is Random Access Memory which is utilized by your OS to run the processes. But sometimes even after ending/exiting the process the memory is not freed. And once all the memory is consumed and not freed at all the OS gets Hanged. And you must be knowing about CTRL+ALT+DEL :D

So here we go, it is simple trick to free the RAM f
You just need one thing i.e Notepad 

1. Open Notepad 
2. Type

FreeMem=Space(1280000000)

3. Save the file with name  as“CleanRAM.vbs” on desktop 

Note: Remember to type the name of the file along with inverted commas so that the file's extension will be vbs

Whenever required , double click the file to run.  
You can change the 1280000000 to 2560000000 or 5120000000 as per your need

Few times you will find that your gadget options are disabled so as to enable the Windows Gadgets in Windows 7, following is the shortcut.

Goto Control Panel
Select "Program & Features"
In the left pane click "Turn Windows Feature on or off"
Wait to generate the list
 To turn on the Feature, select its check box and to disable the feature the clear its check box.
So, to enable the Gadgets  check the "Windows Gadget Platform" option
And its Done.
Go to Desktop, Right Click, your Gadgets option will be back if you have enabled it.