How to Make Free Calls using Google Hangouts

Google announced that Google Voice calls would integrate with the Hangouts service. People who don’t prefer calling over their carriers’ cellular network, can now use Hangouts and make free calls over WiFi or Data-plan. And the best part is new Hangouts don’t even need a SIM card in your phone in order to make a call.This will allows you to reach out to your loved ones even in WiFi-only situations.

Moreover, Google Hangouts now features free calling on Android, iOS and the Web to any US or Canadian phone number, or to any other Hangout user. But International calling does cost, but they say their rates are so low that you probably won’t even notice spending any money.

If you are interested of making free (or cheap) calls, follow this steps;

Continue reading How to Make Free Calls using Google Hangouts

How to install New Firefox on Ubuntu

This simple step by step tutorial will explain you how to download and install Mozilla Firefox on your Ubuntu PC / Laptop.

  1. Download Mozilla Firefox from their downloads page (Since now they support both 32bit and 64bit architectures, make sure to download the correct version): Click Here
  2. Once you have downloaded, go to that download directory and extract the downloaded tar.bz2 file
  3. Then move that extracted content (firefox folder) to /opt/ directory
  4. Now create a link in /usr/share/pixmaps/ pointing firefox icon. (in-order to use with desktop entry)
  5. Now create a desktop entry for ease of access.
    1.   Create a new .desktop file for firefox
    2. Copy and Paste below content to opened firefox.desktop file
    3. Now save that file
  6. That’s it. you are ready to go. Now you can simply search in Ubuntu dash for firefox.

If you find this useful, Please leave a comment below.

How to use ( set, get, delete ) cookies in JavaScript

In this post you can find to how to set, get (retrieve) and delete cookies using JavaScript. This might comes in handy when you want to securely  store small amount in the client side.

 

Working example : click here

 

 

How To Install Redis in Ubuntu

What is Redis?

Redis is a flexible, open-source, key value data store. Following in the footsteps of other NoSQL databases, such as Cassandra, CouchDB, and MongoDB, Redis allows the user to store vast amounts of data without the limits of a relational database. Additionally, it has also been compared to memcache and can be used, with its basic elements as a cache with persistence.

Set-up Environment For Installation.

Before installing redis, there are a couple of prerequisites that need to be downloaded in-order to proceed with the installation.

1. Update all of the apt-get packages.

2. Download a compiler with build essential in-order to install Redis from source.

 3. Download and install tcl8.5

Install Redis

After all of the prerequisites and dependencies downloaded to the server, you can proceed with the Redis installation from source.

1. Download the Stable Redis release from their website. google code. The latest stable version is 2.8.3 Continue reading How To Install Redis in Ubuntu

How to uninstall Redis server from Ubuntu

Today I came across with a bit of a problem while trying to remove Redis 2.6 from one of my servers. The problem was, when I was installing at the first time I used make install  (Source build) instead of apt-get install (from repository). Since the make file didn’t had a un-install option, I had to remove it manually. In this post I will guide you through both uninstallation methods, You can chose the suitable method depending on how you installed it.

If you use apt-get

You can simply type below command in your terminal. This will remove the redis-server package and any other dependant packages which are no longer needed (Because of --auto-remove). And also it will delete your local/config files for redis-server (Because of purge).

 

If you used makefile

This is where it gets bit tricky. Because you will have to manually remove installed files. Here is how to do it; Continue reading How to uninstall Redis server from Ubuntu