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SOLVED : Redhat Linux boot interactive mode service startup


Usually , during Linux boot-up process - enabled services are automatically started in the order of service sequence. Sometimes during debugging or recovery it may be required to start services interactively - one by one. RedHat Linux supports this option - as described in below steps.


  • Login to console 
  • Boot Linux
  • After the Redhat kernel image splash screen  appears & Filesystems are mounted - continuously press hold letter  ' I ' (case -insensitive) 
  • If continuous press hold doesn't work out , keep pressing the letter I multiple times.
  • Services startup enters into Interactive mode as shown in below snapshot
  • Required services may be started using the options Yes/No/Continue options.


Hope this may be useful to some debugging strange services !!

SOLVED : Dell laptop Windows 10 Wifi not connecting after windows update


Recently we observed a strange issue with one of our Dell laptop Wifi not connecting to access points after an auto windows 10 Sep 2016 update . After some findings on internet - We attempted a workaround which worked out to get Wifi connection ! Hope Windows 10 gets this solved in subsequent updates -

In this post we share the problem and workaround which may be helpful to some - 

Problem observed

  • System reboots after Windows 10 auto update
  • After reboot , Wifi access points are displayed . On trying to connect - just displays connecting and connection doesn't get established
Workaround Solution 
  • Open Windows -> Control Panel -> Hardware & Sound -> Device manager
  • Select the Wifi Network Adapter , Right click & access the settings from list
  • Select the tab "Power management". Uncheck the option "Allow the computer to turn off this device to save power"
  • Reboot the system once. Post reboot , Wifi connection should be fine !!

Device Manager settings 


Wifi adapter properties


Do share your comments on alternate solutions which may be helpful to others.

SOLVED : Google charts - Bar chart with data labels - working example

In this post , we share a sample HTML working example code of displaying a Bar chart with data labels integrating with Google Chart APIs. Hope it may be useful to few beginners.

Copy paste the below HTML code in any editor and open in browser for display. For more details on customizing the charts visit Google charts web page.




<html>
<body>
    <script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></script>
    <script type="text/javascript">
    google.charts.load('current', {'packages':['corechart', 'bar']});
    google.charts.setOnLoadCallback(tcinfo);

function tcinfo() {

// Chart print  :  //////////////////////////////////////////////////////////////////////////////////

var fruitsdata = google.visualization.arrayToDataTable([
        ['Fruits', 'Count'],
        ['Apple',16],
['Orange',35],
['Grapes',78],
['WaterMelon',25],
['Gauva',23]
      ]);

var view = new google.visualization.DataView(fruitsdata);
      view.setColumns([0, 1,
                       { calc: "stringify",
                         sourceColumn: 1,
                         type: "string",
                         role: "annotation" },
                       ]);

       var fruitsoptions = {
          title: 'Fruits count',
          chartArea: {width: '50%'},
          legend: {position: 'bottom'},
       hAxis: {
          minValue: 0,
          ticks: []
        }

       };

      var chart = new google.visualization.BarChart(document.getElementById('chart_fruits'));
      chart.draw(view, fruitsoptions);
}
    </script>
    </script>

<div style="float: left; width: 300px; height: 400px;" id="chart_fruits"></div>
<p><font face="Arial" size="2"><a href=http://shareolite.blogspot.com>For much more examples , Visit Shareolight.blogspot.com </a></p>
</body>
</html>




SOLVED - MS office how to view collapsed Ribbon



Sometimes , few of us may be wondering about collapsed ribbon pane in MS office and tend to each time click on the toolbar to access the ribbon -




To keep the ribbon on all times - there are 2 methods 

  • Pin the ribbon - using the Pin option the extreme right corner of the ribbon

  • Use the Hot key  "Cntrl + F1"    - Toggles between ribbon auto collapse / permanent display options.

Hope this helps to some who are new to MS office.

Quotes to inspire and motivate your team at work

In this post , we share our collections of inspiring and motivating quotes of great leaders . We hope you will find this useful at some point in your work life . Cheers !!

If I had six hours to chop down a tree, I would spend the first four hours sharpening the axe 
-Abraham Lincoln                                                                                                                                                                       
Success is walking from failure to failure with no loss of enthusiasm
-Winston Churchill                                                                                                                                                                                              
Successful and unsuccessful people do not vary greatly in their abilities. They vary in their desires to reach their potential
-John Maxwell 
                                                                                                                                         

Eat a live frog first thing in the morning, and nothing worse will happen to you the rest of the day
-Mark Twain                                                                                                                                                                      
Write down your working goal for tomorrow when you finish work, as this will help you to feel motivated for the next day – so you can actually switch off for now, and enjoy your evening
-Tim Ferris                                                                                 

You can never cross the ocean until you have the courage to lose sight of the shore
-Christopher columbus                                                                                                                                                                             
A person who never made a mistake never tried anything new
-Albert Einstein                                                                                                                                                                                                           
The only way to do great work is to love what you do
-Steve Jobs                                                                                                                                                                                                                      
Individual commitment to a group effort - that is what makes a team work, a company work, a society work, a civilization work
-Vince Lombardi                                                                                                                                         

Review your goals twice every day in order to be focused on achieving them
-Les Brown                                                                                                                                                                                                 
Those who said I cannot do it never yet accomplished anything; Those who said I will try has performed wonders
-George P Burnham                                                                                                                                                      
Your work is to discover your work and then with all your heart to give yourself to it.
-Buddha                                                                                                                                                                                       
Every experience in your life is being orchestrated to teach you something you need to know to move forward
-Brian Tracy                                                                                                                                                              
Commitment leads to action. Action brings your dream closer
-Marcia Wieder                                                                                                                                                                                                            
If you fail to plan, then you plan to fail.
-Harvey Mackay                                                                                                                                                                                                                            
One important key to success is self-confidence. An important key to self-confidence is preparation.
-Arthur Ashe                                                                                                                                                                     
Whenever you are asked if you can do a job, tell them, Certainly I can! Then get busy and find out how to do it.
-Theodore Roosevelt                                                                                                                                                  
We are what we repeatedly do. Excellence then, is not an act, but a habit.
-Aristotle                                                                                                                                                                                                 
The expert in anything was once a beginner
-Helen Hayes                                                                                                                                                                                                                               
Try not to become a man of success but rather try to become a man of value
-Albert Einstein                                                                                                                                                                                           
Start by doing what iss necessary, then what iss possible, and suddenly you are doing the impossible.
-Francis of Assisi                                                                                                                                                              
Satisfaction lies in the effort not the attainment. Full effort is full victory.
-Mahatma Gandhiji                                                                                                                                                                                    
Great triumphs are built by embracing the unknown.
-Anonymous                                                                                                                                                                                                                         
It is simplicity that makes the uneducated more effective than the educated when addressing popular audiences
-Aristotle                                                                                                                                                              
Set goals each day. When you reach a daily goal, your days are charged with energy and excitement. Without goals, the days are longer and more tedious.
-J J Goldwag                                                                                                                  

Sometimes the greatest value you can bring to a meeting is the ability to look beyond group thought.
-J J Goldwag                                                                                                                                                                     
Your enthusiasm in your daily work is a reflection of your wisdom. Choosing to be enthusiastic is a wise choice; it  is magnetic.
-J J Goldwag                                                                                                                                        

Remember to show your appreciation toward the people who have helped you along your path. This is one of the surest ways to build support as you progress.
-J J Goldwag                                                                                                               

Vow to keep a sense of humor. Laughter is not only intoxicating, it clears toxins from your system.
-J J Goldwag                                                                                                                                                                      
The moment you take responsibility for everything in your life, is the moment you can change anything in your life.
-Hal Elrod                                                                                                                                                        
Coming together is a beginning; keeping together is progress; working together is a success.
-Henry Ford                                                                                                                                                                              
If you want to move up, and ahead, you need to confront your fears head-on. Never waste valuable energy trying to avoid them; instead, use mental toughness to manage your thoughts, emotions, and behavior in ways that will set you up for success in business and life.
-Anonymous 

Never give up on a dream just because of the time it will take to accomplish it. The time will pass anyway.
-Earl Nightingale                                                                                                                                                         
Skill is only developed by hours and hours of work.
-Usain Bolt                                                                                                                                                                                                                       
Loyal and efficient work in a great cause, even though it may not be immediately recognized, ultimately bears fruit.
-Jawaharlal Nehru                                                                                                                                                
Any intelligent fool can make things bigger, more complex, and more violent. It takes a touch of genius -- and a lot of courage -- to move in the opposite direction.
-Albert Einstein                      
                                                                          
Thinking is progress. Non-thinking is stagnation of the individual, organisation and the country. Thinking leads to action. Knowledge without action is useless and irrelevant. Knowledge with action, converts adversity into prosperity
-APJ Abdul Kalam                            

Look at the sky. We are not alone. The whole universe is friendly to us and conspires only to give the best to those who dream and work
-APJ Abdul Kalam  
                                                                                                                            
Always be yourself, express yourself, have faith in yourself, do not you go out and look for a successfull personality an duplicate it
-Bruce Lee                                                                                                                                     

An idea that is developed and put into action is more important than an idea that exists only as an idea.
-Buddha                                                                                                                                                                     
Never give up, never give in, and when the upper hand is ours, may we have the ability to handle the win with the dignity that we absorbed the loss
-Doug Williams                                                                    
                                                
It is not that I am so smart, it is just that I stay with problems longer.
-Albert Einstein                                                                                                                                                                                           
Realize what traditions you will need to carry forward but also question what is also out there that will help make a difference and achieve new things.
-Aida Batlle      
                                                                                                          
Perfection is not attainable, but if we chase perfection we can catch excellence
-Vince Lombardi                                                                                                                                                                                      
The best preparation for tomorrow is doing your best today
-Jackson Brown                                                                                                                                                                                                             
If you always put limit on everything you do, physical or anything else. It will spread into your work and into your life. There are no limits. There are only plateaus, and you must not stay there, you must go beyond them.
-Bruce lee                                             

Problems are not stop signs, they are guidelines.
-Robert H. Schuller                                                                                                                                                                                                                 
Our greatest weakness lies in giving up. The most certain way to succeed is always to try just one more time
-Thomas A. Edison                                                                                                                                                        
We should not give up and we should not allow the problem to defeat us.
-A. P. J. Abdul Kalam                                                                                                                                                                                         
Your talent is God gift to you. What you do with it is your gift back to God
-Leo Buscaglia                                                                                                                                                                                           
When you love your job , and you will never have to work a day in your life
-Confucius                                                                                                                                                                                                
Nothing helps calibrate reality more than the honest perceptions of those who work closest to you.
-Jay Samit                                                                                                                                                                         
Before you start some work, always ask yourself three questions - Why am I doing it, What the results might be and Will I be successful. Only when you think deeply and find satisfactory answers to these questions, go ahead
-Chanakya                                              

Big jobs usually go to them who prove their ability to outgrow small ones
-Theodore Roosevelt                                                                                                                                                                                         
Let us realize that: the privilege to work is a gift, the power to work is a blessing, the love of work is success! 
-David O. McKay                                                                                                                                                  
The price of success is hard work, dedication to the job at hand, and the determination that whether we win or lose, we have applied the best of ourselves to the task at hand.
-Vince Lombardi                                                                                       

I have not failed. I have just found 10,000 ways that wont work. 
-Thomas A Edison                                                                                                                                                                                                    
Our work is our love made visible , it is the presentation of our capabilities
-Edward Gibbon                                                                                                                                                                                         
Be of service. Whether you make yourself available to a friend or co-worker, or you make time every month to do volunteer work, there is nothing that harvests more of a feeling of empowerment than being of service to someone in need
-Gillian Anderson                            

A good plan violently executed now is better than a perfect plan executed next week
-George S Patton                                                                                                                                                                                  
Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful
-Albert Schweitzer                                                                                                                                       

It is no use saying - We are doing our best-  You have got to succeed in doing what is necessary
-Winston Churchill                                                                                                                                                                   
A successful person will profit from his mistakes and try again in a different way
-Dale Carnegie                                                                                                                                                                                     
You have done it before and you can do it now. See the positive possibilities. Redirect the substantial energy of your frustration and turn it into positive, effective, unstoppable determination.
-Ralph Marston                                                                    

The true sign of intelligence is not knowledge but imagination
-Albert Einstein                                                                                                                                                                                                       
We are all born ignorant, but one must work hard to remain stupid
-Benjamin Franklin 

This is not the end , list still keeps growing .  If you find this page worth and was useful to you , please share your contribution by sharing with your friends and let the inspiration spread.

Value Added Tax (VAT) - Normal & Reverse Calculation



In this post , we share info on 

  • Calculating a product final cost by adding VAT 
  • Calculating VAT from a product final cost
Its very important to keep in mind below meanings 
  • Product (excl VAT)  : This is the cost of a product without VAT component 
  • Product (excl VAT)  : This is the cost of a product with VAT component . Usually this is the value which we use for payments.
Normal Calculation : Calculating product final cost by adding VAT 

Consider , 
  • VAT to be added is 12%  , Product cost is $ 150
  • Then the equivalent VAT amount to be added is calculated using the formula
VAT amount to add  :  (Product cost Excl. VAT)  * ( VAT value )   100  )
i.e, in our example :  (150) * (12/100) = $ 18
  • Final product cost , inclusive of tax is now calculated as 
Product value (Inclusive VAT)  : ( Product cost Excl. VAT)  + ( VAT amount)
i.e, in our example :  (150) + (18) = $ 168


Reverse Calculation : Calculating Product value excluding VAT

Consider ,
  • VAT value is 12%  , Product final cost inclusive of VAT is $168
  • Then the equivalent product cost amount to be added is calculated using the formula.
Product value (Exclusive VAT) : (Product cost Inclusive VAT) / (1+( VAT /100))
i.e, in our example : (168) / (1+(12/100)) = $150

Hope this is useful.

Top Job Interview Questions Linux Basics

Linux is everywhere now . Right from giant super computers , enterprises , embedded systems , mobile devices - Linux has dominated the world of computer science as one of the most popular operating systems.


Hence it has become very essential for job aspirants applying for a job in computer software or hardware company to know the very basics and common sense of Linux . Get ready to answer these frequently asked questions by the interview panel in technical interview. 


1) What is Linux ?

2) Can you list some 3 differences between Linux & Windows ?

3) What is a Linux shell ?

4) What is a Kernel in Linux ?

5) What is a file system in Linux ? Can you give few examples ?

6) Can you list some flavors or distributions of Linux operating system

7) Can you share few practical examples where Linux operating System is used ?

8) What is the default username of Linux OS administrator privilege user?

9) Is Linux an open source software ?

10) What is the Linux mobile operating system developed by Google known as ?

Well , these are just  the beginner dummy questions which interviews use to evaluate the basic fundamental knowledge of the candidate . Practice well answering these and never let these questions cost you at the interview day !!

There are hundreds of such basic questions , if you have any such frequent ones which may help - do share in the comments !!

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