IP Addresses

The Internet is a global network of millions of computers. Each computer has a unique identity called an IP address.

Internet Protocol (IP) address -  is a Character Numeric value used to identify a particular device on a network.

There are three types of IP addresses.

Below screen from Windows PC (> ipconfig) command prompt show IPv4 address 192.168.8.152 which is a dynamic address and it's assignment managed by DHCP of the Router.

By Changing network properties we can arrange static IP for our Local PC.

There are two types of IP versions. 

source: arin.net & journalsnews.blogspot.com

We can view the current IPv4 and IPv6 addresses assigned to our local PC if we are in a windows PC like below.

Signing off. ~ Author.

Network Monitoring with Linux ?

Monitoring network interface & bandwidth of your internet connection is critical these days as many Computer Users have fixed & dial up connections. 

                                           People catch up with internet more often than ever, so knowing your current internet speed, transfer rate  & estimated download time might be critical to some of them.

                                       In Linux there're bunch of applications which provide the necessary functionality in order to do this. But, installation of these tools can be tricky as usual, like any other Linux Based Application.

                      Speedometer is the application which will ultimately be explained in this note of this humble blog site of mine. Speedometer caught my attention when I was having some information hunting about tools to check my internet speed, which wavers most of the time. This guide is in simple steps, so you can follow them with ease.

Step 01: RunYour Terminal & Type the following Command in it.

$ python -V

The purpose of this command is to make sure you've installed the required python version to run the application.


Step 02:  After making sure you've got Python (Python Comes with Linux Installation), you've to download Python-Urwid package, in order to do that. type:

$ sudo apt-get install python-urwid

Step 03:  Download Speedometer.py source file, here, & run the following Command in your terminal, to copy the source file to /usr/local/bin/ .

$ sudo cp speedometer.py /usr/local/bin/speedometer

Make sure to go inside the downloaded directory before performing the above step.


Step 04:  Run the following command to grant permission to run the application to specific user.

$ sudo chown username /usr/local/bin/speedometer

Step 05:  Run the following command to give access permissions to the speedometer file to run in line with the system.

$ sudo chmod 755 /usr/local/bin/speedometer

Step 06: Run man command to test your application works fine & its other options along side with  manual.

$ man speedometer

Step 07:  If you're done. Then, You can check your application. Here's some example commands to test the application.

$ speedometer 1 -rx eth0

It returns the following graph with dynamic values to exit any time press 'Esc'.

This command is in the $ speedometer time-interval-in-seconds -rx network-interface format.

Activating Facebook Mobile SMS ?

                                                                         Some of you might wonder, why in the world, there should be a blog post for one of the best known Facebook extension available ? Even, when there's hundreds of posts available in the Facebook itself for general knowledge. But, get this friends, there's lot more people who almost hates reading & often at the same time wastes so much time without knowing facts that they could've understood if they did the reading practice little bit better than they do now.

Did you ever lost one of the Emergency Facebook Message of your friend, just because you weren't online when your friend left it ?

This post is for you and it's in steps so, follow them, then you'd end up having a fun time using Facebook mobile Text Messaging Service, which is I think the best extension of Facebook.

Step 01 : 

Look at the image below. Go to new setting Button in the right corner of your Facebook Home & hit Account Settings.

Step 02 :

Now,  Wait until the Account Settings Page is loaded. Then, Look at the Left Corner of your Facebook Page. Find 'Mobile' Link and Click on it.

 Step 03 :

Inside the Middle frame 'Mobile Settings' will be loaded. Then, Click on the Button 'Add Phone' to add your Phone Number if you've never done it before.

Step 04 :

 Add your country & then automatically the service providers that the Facebook Text Messaging Service supports at the moment will be loaded. Choose your provider.

Look at the 'add your phone number here' link. Click on it.

Step 05 :

Add your phone Number. Don't worry about the country code as the country code is selected in default inside the drop down menu.

Step 06 : 

When, you hit 'Continue', a text message will be sent to your added phone number which includes the 'Confirmation Code'.

 

 Step 07 :

Enter the confirmation Code in the text box. If your confirmation code is correct, You'll be redirected to the next step.

Step 08 :

Then, you'll be asked to select your privacy options. For your knowledge, do not let your phone number to be seen by any Facebook users. Here, I used Only Me option in order to protect my phone number. Make sure you tick the 'Turn On text notifications'.

                              To make sure you've not shared your phone number, Go to your Profile & click 'Update Info' & check. Please know, that you'll be notified whenever there's a message left for you in Facebook. You can reply for the messages. But, replies will be charged (Typical Text Messaging Cost) depending on the service provider & country of yours.

That's it. Don't lose any of your message, now. Even, when you're not online. Ever !

Typing Tutor Software Revealed ?

                                  I desperately wanted to make this short. Because, this is about a software which is somewhat Commercial & doesn't have anything with me economically. In fact nobody needs to worry that I'm going to publicize a software or something.

I'm just Saying.

Since, a long time I desperately needed a software to do my typing practices. I kept going after the very famous 'Typing Tutor'  you see like everybody. But, I found a better solution while I kept looking at the screen of a fellow classmate of mine.

In fact, She's the one who introduced me to this, So keep reading I'm going to do the same to you.

The software is 'KeyBlaze Typing Tutor'. Here is Download Link For you.

1. After downloading You'll see a Setup file like follows.

2. Then, double click on it and you'll see the following screen.

3. Accept the agreement & click Next. Then comes the following.

4. My advice, don't install unnecessary stuff. Just install basic typing Expander and hit 'Finish'.

5. Then, select 'Yes, Let's test my speed ' to start right away, if you feel free to test some Typing Speed of you or you can let it go & start another time using the 'Desktop Icon' of yours.

6. You'll see a welcome screen whenever you start your Software.

7. Select 'Click to Start Exercise'. Set your goals (difficulty levels) and keep testing your skills.

After Each test, you'll be notified about the results of it which would surely be comforting when you feel you're making progress.

Enjoy ! Your Progress! 

Set Firefox Web Browser Home Page ?

Hi !

This will be short & easy. There are few other ways of doing this, but actually this will be applicable if you're using an internet connection at a cafe. 


1.  Fire up your Firefox Web Browser.

2. Then, Type about:config in the address bar.

3. Then, a message will be shown for security reasons. But, Click I'll be careful, I promise!.

4. Then, Search something like browser.startup.homepage.

5. Double click on it & Edit & set the Home Page URL on the pop up that comes out.


Enjoy the little Trick !