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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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Elasticsearch Plugin To Generate (Save and E-Mail) Excel Reports

ElasticTab – Elasticsearch to Excel Report Web Application Simple Web UI Download Excel Reports Schedule/Edit/Delete Reports E-Mail Reports Go to https://github.com/raghavendar-ts/ElasticTab-Elasticsearch-to-Excel-Report Elasticsearch Plugin to Generate Excel Reports            There are many use cases where in one needs to import data from an external system or database to Elasticsearch and many plugins… Read More »

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Linked List in C – Detect/Find Loop

DATA STRUCTURES IN C – LINKED LIST (20 PROGRAMS) Try DATA STRUCTURES IN C – LINKED LIST (20 PROGRAMS) Linked List in C – Detect/Find Loop :            Loop in linked list is a situation where a node points to one of the previous node in the same linked list Example: Nodes:… Read More »

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Setup Quartz Scheduler with MYSQL Database

This article details on how to setup Quartz server with MYSQL database. Setup MYSQL Download the latest version of Quartz distribution from the website http://quartz-scheduler.org/downloads and extract it. The distribution will be in TAR format. Install MYSQL and go to command line interface to create the required database and tables. Create a database named quartz. Now use… Read More »

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