How to SSH login without password ?

Step 1: Create public and private keys using ssh-key-gen
ssh-keygen

Step 2: Copy the public key to remote-host using ssh-copy-id
ssh-copy-id -i ~/.ssh/id_rsa.pub remote-host


Step 3: Login to remote-host without entering the password
ssh remote-host

Looking for a "spotlight" alternative for ubuntu ?

We all love the time-saver spotlight application in Mac OSX..! So here is an alternative for ubuntu users: Tracker

STEP1: Open your terminal

sudo apt-get install tracker

STEP2: Open the "Tracker" preferences and adjust it according to your needs.

You are done! Now leave it to index your files and Enjoy searching.