Overview for unix

Linux on Windows - Subsystem for Linux Setup

If you miss UNIX while working on Windows or would like to try experimenting with unix, Windows 10 offers an impressive feature that is worth exploring.

You can now install Windows Sub System for Linux (WSL) on Windows10 with a Linux distribution of your choice. As of now, the supported distributions are Ubuntu, SUSE, Kali and Debian. More info on this feature can be found here..

This subsystem seems to be very light weight and is definitely a better option than having to run the full Virtual Machine on window server.(!! requires developer option to be enabled on your machine !!). 

Here is a quick note on the setup and few tests using some specific features..

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Written by rajkiran on Saturday August 4, 2018

Image: 2018-08/faucet1.jpg

Let's Spell - Alexa Skill Demo Video

Here is the little fun video demo to spell the words with the Alexa Skill  Let's Spell   After invoking the skill, you can use the following commands to interact with the App.  - Alexa, "I Spell" / "My Turn" - Alexa, "U Spell" / "Your Turn" The difficulty level for words gets …

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Written by rajkiran on Thursday August 2, 2018

Image: 2018-07/lets-spell-inline-600.png

Let's Spell - Alexa Skill Demo Video

Here is the little fun video demo to spell the words with the Alexa Skill  Let's Spell 

After invoking the skill, you can use the following commands to interact with the App. 
- Alexa, "I Spell" / "My Turn"
- Alexa, "U Spell" / "Your Turn"

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Written by rajkiran on Monday July 30, 2018

Image: 2018-07/lets-spell-plain1.png

OpenProject installation on Ubuntu with Postgresql and Apache / Nginx

In this note, let's do a quick review on the installation of the very popular open source OpenProject software with Postgresql database and Apache/Nginx webservers. Open Project software has plenty of features, needed for managing the entire project life cycle and is offered with the Community Edition and Enterprise licenses.

The openproject installer for ubuntu configures mysql database and apache webserver by default. We will need to do little bit customization in order to use postgresql as the database for the repository and also check the basic configuration needed to get access to the web UI with either apache or the nginx webserver.

Configuration Info

Operating System : Ubuntu 16.04 ( Xenial )
Database : Postgresql 9.15.2
Web Server : Apache / Nginx
Open Project :  Community Edition

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Written by rajkiran on Saturday June 23, 2018

Image: 2018-06/niagara-600.jpg

Alexa Siri - Element Info chat

Here is the video with a fun chat between the Siri Voice and Alexa about the Element Info ????

Element Info skill can be accessed in multiple ways, Alexa skill can be invoked with the following command. 


To invoke the skill --> "Alexa, open Element Info" 
Learn Mode --> "Teach Me" 
Quiz Mode --> "Quiz Me" 
 

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Written by rajkiran on Tuesday April 3, 2018

Image: 2018-06/1528429384_element-info-hekash-sm.png

Dealing with Oracle Inventory corruption

Oracle Inventory corruption is a very common issue that most of the DBAs run into while working with patches and upgrades. In this quick note, let's check to see how we can fix this with attachHome..

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Written by rajkiran on Saturday June 7, 2014

Image: 2018-06/1528503771_maymont-1.jpg