How to create a self signed SSL certificate and how to use it with your web Server.

SSL certificate is the foremost important aspect of any website. If your website is running without the SSL, the modern browsers will stop the users from entering the website. Of course, there are ways to bypass that, at your own risk. As long as your website has no commercial data exchange, sensitive user information, etc, you are still good to run a website without a proper SSL certificate. For example, a blog can run without an SSL.  Note that Google AdSense accepts websites without SSL.  But the topic of this post is about Self Signed SSL certificate. How to create one, how to use it, and where to use it.  Let us see where to use it. For any website which is used for internal purposes, it's always a good idea to use Self Signed SSL, instead of paying for a real SSL certificate. Internal I mean, within a company, team, or for personal uses, for testing purposes, etc.  Now, let us see how to create a self-signed SSL certificate.  What you need A Linux machine.  OpenSSL utility  A

Number system grouping in Indian system in Excel

By default all computer have number grouping of 1000 separator system, like ###,###,###. But we Indians follow 1000 and 100 separator system like ##,##,###. We can change this default setting to the Indian System in Windows 7. I have not checked in Windows XP.

Follow the below steps to change the default settings

An easy way by means of Windows Search

1. Press Windows Button
2. Type "Regional Settings" in the search box
3. select "Change the date, time and number format"
4. In the "Formats" tab select "Additional settings"
5. Under the "Numbers" tab see Digits Grouping" and change it to the Indian system.

Manual steps if you don't have Windows Search

1. Go to "Control Panel"
2. Select "Region and Language" or if you have a Categorized view select "Clock, Language, and Region" and "Change the date, time and Number format".
3. Go to Step 4 above


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