How to install extensions of google chrome? / "Add to chrome" button missing/not shown.

First is first..
1.  Why i write this blog post.
  Previously i have google chrome browser (version details are in the following image)

google-chrome old version

When i try to install the chrome extensions in this browser.. i can search, view, read about the extension, can see the review and so.. but the problem is there is no "Add to chrome" button anywhere in the extension detail.. :(

I spent 10 minutes to find the solution but.. no fruitful information is found.  So, atlast i reinstalled my google chrome browser with the newer version(details in the following image).  Now when i browse for the extensions, it shows "Add to chrome" button also.  So, i can easily install the extensions now.

google-chrome new version

2.  How to steps
2.1 Go to the google chorme extensions website
* Click on the wrench -> Tools -> Extensions -> Get more extensions (or)
* Directly going to the chrome's webstore.
* Open new tab, at bottom you can see a label named "Apps" click on that, then click on chrome web store
2.2 Browse the extension in the "search the store" text field and finalize which extension you want
2.3 Click on the extension, there you can see a "Add to chrome" button, just click on it.. Your extension is installed.

Link to the Dictionary extension.

UP assembly Election 2012

This cartoon drawn using gimp on Mar6-2012 

UP Assembly election 2012

How to lock a linux user from logging into a machine?

In some scenarios its needed to lock a user to login into his own account.  This can be achieved by many ways.

1.  GUI way

 1.1 Go to System -> Administration -> Users and Groups

 1.2 Now select the particular user from the left side, then click on the advanced settings button

 1.3 Click on the Advanced tab then tick the check box with value "Disable Account"

 1.4 To revoke follow the 1.1 & 1.2 now you can see a "Enable account" button click and enable

2. Terminal way

1. As a root user issue the following command in the terminal

    $sudo passwd -l "username of the user to lock"

How to restore the last session(auto open previously opened pages) in google chrome?

The default setting of google chrome is not set to restore the previous session.  So how to let it to restore the previous session

1. Click on the wrench symbol in the chrome browser or press Alt + f key

2. Select or click the "Preferences".  This will open a new tab in your chrome browser.

3. Now Click on the "Basics" label from the left side

4. Now select the radio button with the value "Reopen the pages that were open last" thats all.