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Ubuntu apt-get update problems”Something wicked happened resolving ‘extras.ubuntu.com:http [-5 – No address associated with hostname...

      This error “[-5 – No address associated with hostname]” is very common while installing or updating packages in Ubnutu Linux which is due DNS. To solve this issue change the “Download from” option in Update Manger. Select the option which has IP address its name. Follow the below steps to correct the… Read More »

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Oracle VirtualBox VM- Change to Full Screen Mode from Windowed Mode

           You may have faced this problem in Oracle VirtualBox where we will not be able to change the virtual machine(VM) display size to full screen mode, i.e. the virtual machine will  be in windowed mode. To fix this issue, follow the below steps. Steps: Step 1: Run the virtual machine(any Operating… Read More »

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Octa-Core Processor – Real vs Illusive Octa-Core Processor – ALL YOU NEED TO KNOW

             Smartphones are one of the great gadget that is used in daily life. It almost replaces desktops and laptops for doing our day to day activities in terms of digital world. Some of the daily task which we do with smartphones are E-mail, chat, browsing, downloading applications, watching videos,… Read More »

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Elasticsearch – Apply Nested Filter on Nested (Inner) Aggregation

           The following query can be used to apply filter on nested (inner) aggregation. In our example aggregationName2 is the nested aggregation. The filter (bold content) in the input JSON will be applied only for the aggregation aggregationName2. aggregationName2 takes in the output of aggregationName1, then applies the filter which is then processed by aggregationName2… Read More »

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Pebble Smartwatch from Pebble Technology

         The world is full of gadget particularly smartphones and we are moving towards our next generation in technology. smartphones are making our life easy to go. now with new and innovative smartwatch Pebble, life is going to be even more easier. Pebble is a smartwatch from Pebble Technology which was funded… Read More »

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