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Surachart Opun

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This page contains my experiences and my thoughts about Oracle and etc... about IT. Perhaps With another way in my life.
Updated: 49 min 46 sec ago

Getting Started with Windows VDI by Andrew Fryer

Wed, 2014-09-10 05:55
Virtual desktop infrastructure (VDI) is the practice of hosting a desktop operating system within a virtual machine (VM) running on a centralized server. VDI is a variation on the client/server computing model, sometimes referred to as server-based computing.
VDI is the new technology that gives lots of benefits.
• Efficient use of CPU and memory resources
• Reduced desktop downtime and increased availability
• Patches and upgrades performed in data center
• New users can be up and running quickly
• Data and applications reside in secure data centers
• Centralized management reduces operational expenses
Additional, VDI can be deployed with Microsoft Windows and suggest to learn What’s New in VDI for Windows Server 2012 R2 and 8.1
Anyway, I explained much more before starting to mention a book that was written by Andrew FryerGetting Started with Windows VDI - This book guides readers to build VDI by using Windows Server 2012 R2 and 8.1 quickly and easy to follow each chapter.

What Readers Will Learn:
  • Explore the various server roles and features that provide Microsoft's VDI solution
  • Virtualize desktops and the other infrastructure servers required for VDI using server virtualization in Windows Server Hyper-V
  • Build high availability clusters for VDI with techniques such as failover clustering and load balancing
  • Provide secure VDI to remote users over the Internet
  • Use Microsoft's Deployment Toolkit and Windows Server Update Services to automate the creation and maintenance of virtual desktops
  • Carry out performance tuning and monitoring
  • Understand the complexities of VDI licensing irrespective of the VDI solution you have opted for
  • Deploy PowerShell to automate all of the above techniques

Written By: Surachart Opun
Categories: DBA Blogs

OSCON 2014: Complete Video Compilation

Sat, 2014-08-30 03:30
OSCON 2014 - Today, it's not only developers, system administrators or organizations have use the Open Source. Businesses have established to use the Open Source as well. So, you can not ignore about Open Source. At OSCON, you'll encounter the open source ecosystem. It helps digging deep into the business of open source.

Five Reasons to Attend OSCON: Get straight to the epicenter of all things open source and get better at what you do, Learn from the best and make valuable connections, Get solutions to your biggest challenges that you can apply today, See the latest developments, products, services, and career trends and Hear it first at OSCON.

It's very good idea to attend the OSCON, if you missed OSCON2014. I mention OSCON 2014: Complete Video Compilation. You can download these videos or view them through our HD player, and learn about open source with more than 350 presenters, including Matthew McCullough (GitHub), Leslie Hawthorn (Elasticsearch), James Turnbull (Docker), Andrei Alexandrescu (Facebook), Tim Berglund (DataStax), Paco Nathan (Zettacap), Kirsten Hunter (Akamai), Matt Ray (Chef Software, Inc.), and Damian Conway (Thoughtstream) among them. In these videos, you are able to see a lot of tracks (Business,Cloud,Community,Computational Thinking,Databases & Datastores,Education,Emerging anguages,Geek Lifestyle,Java & JVM,JavaScript - HTML5 - Web,Mobile Platforms,Open Hardware,Operations & System Admin,Perl,PHP,Python,Security,Tools & Techniques,User Experience).

You will able to learn many tracks as I told you. Anyway, Oreilly has improved video streaming and downloading. Additional, it's very useful for playback speed control and mobile viewing.

Written By: Surachart Opun
Categories: DBA Blogs

Hands-On Programming with R by Garrett Grolemund

Wed, 2014-08-27 02:42
R is a free software environment for statistical computing and graphics. It compiles and runs on a wide variety of UNIX platforms, Windows and MacOS.
R language is useful to become a data scientist, as well as a computer scientist. I mention a book that points about a data science with R. A Hands-On Programming with R Write Your Own Functions and Simulations By Garrett Grolemund. It was written how to solve the logistical problems of data science. Additional, How to write our own functions and simulations with R. In a book, readers are able to learn in practical data analysis projects (Weighted Dice, Playing Cards, Slot Machine) and understand more in R. Additional, Appendix A-E will help to install/update R and R packages as well as loading Data and debugging in R code.
Garrett Grolemund maintains, the development center for the Shiny R package.
Free Sampler.Written By: Surachart Opun
Categories: DBA Blogs

Solid Conference San Francisco 2014: Complete Video Compilation

Tue, 2014-07-29 08:17
Solid Conference focused on the intersection of software and hardware. It's great community with Software and Hardware. Audiences will be able to learn new idea to combine software and hardware. It gathered idea from engineers, researchers, roboticists, artists, founders of startups, and innovators.
Oreilly launched HD videos (Solid Conference San Francisco 2014: Complete Video Compilation Experience the revolution at the intersection of hardware and software—and imagine the future) for this conference. Video files might huge for download. It will spend much time. Please Use some download manager programs for help.
After watched, I excited to learn some things new with it (Run times: 36 hours 8 minutes): machines, devices, components and etc.

Written By: Surachart Opun
Categories: DBA Blogs

Penetration Testing A Hands-On Introduction to Hacking

Sun, 2014-06-29 03:47
Assessing overall security on a new system before it goes on-line is also a good idea. It's useful to find holes before somebody else does, verify secure configurations and testing.  Penetration Testing is the process of attempting to gain access to resources without knowledge of credentials and find security weaknesses (Interesting paper).
Penetration Testing A Hands-On Introduction to Hacking By Georgia Weidman. A book was written about the basic of Penetration testing. It gave concepts, ideas, and techniques in 5 parts: The Basics, Assessments, Attacks, Exploit Development and Mobile Hacking.
  • Crack passwords and wireless network keys with brute-forcing and wordlists
  • Test web applications for vulnerabilities
  • Use the Metasploit Framework to launch exploits and write your own Metasploit modules
  • Automate social-engineering attacks
  • Bypass antivirus software
  • Turn access to one machine into total control of the enterprise in the post exploitation phase
First of all, Readers must set up their Virtual lab by using Kali linux. A book gave lots of ideas, examples how to use Tools for Penetration Testing. It's very good book for some people who are new with Penetration Testing. It might not cover everything about Penetration Testing, or gave the deeply knowledge. However, it helps readers are able to understand in Penetration testing easily and practice in examples.

Written By: Surachart Opun
Categories: DBA Blogs

The Art of War for Small Business

Mon, 2014-06-23 10:51
The Art of War is an ancient Chinese military treatise attributed to Sun Tzu, a high-ranking military general, strategist and tactician. A lot of books have written by using Sun Tzu's ancient The Art of War and adaptation for military, political, and business.

The Art of War for Small Business Defeat the Competition and Dominate the Market with the Masterful Strategies of Sun Tzu, this is a book was applied the Art of War for small business. So, it's a perfect book for small business owners and entrepreneurs entrenched in fierce competition for customers, market share, talent and etc. In a book, it was written with 4 parts with 224 pages - SEIZE THE ADVANTAGE WITH SUN TZU, UNDERSTANDING: ESSENTIAL SUN TZU, PRINCIPLES FOR THE BATTLEFIELD, ADVANCED SUN TZU: STRATEGY FOR YOUR SMALL.
It's not much pages for read and it begins with why the art of war should be used with the small business and gives lot of examples and idea how to apply the art of war with the small business and use it everyday (It helps how to Choose the right ground for your battles, Prepare without falling prey to paralysis, Leverage strengths while overcoming limitations, Strike competitors' weakest points and seize every opportunity, Focus priorities and resources on conquering key challenges, Go where the enemy is not, Build and leverage strategic alliances).

After reading, readers should see the picture of  the common advantages and disadvantages in the small business and why the small business needs Sun Tzu. In additional, Readers will learn the basic of the art of war and idea to apply with the small business. It shows the example by giving the real world of small business.

Written By: Surachart Opun
Categories: DBA Blogs

Intermediate Python Practical Techniques for Deeper Skill Development

Thu, 2014-06-19 09:40
It's time to learn more about Python. I found "Intermediate Python Practical Techniques for Deeper Skill Development" video course by Python expert Steve Holden.
It's very useful for Python video learning, but users should have basic about Python. They must install ipython.
Note start ipython by " ipython  notebook" command and users can check how to install ipython?and users should download example codes at

This video course gaves deeply Python learning topics by using iPython, including:

  • Functions: return values, arguments, decorators, and the function API
  • Comprehensions, generator functions, and generator expressions
  • Understanding the import system and namespace relationships
  • Using the Python DB API to query and maintain relational data, and JSON to extract data from the Web
  • The NumPy, SciPy, and Matplotlib libraries for numerical and analytical computing
  • An introduction to unit testing with unit test
  • Deeper understanding of Unicode, with explanations of encoding and decoding techniques and the relationship between byte strings and text
  • An introduction to textual analysis using regular expressions
  • Information sources for documentation, further research, and coding style considerations

First of all, Users should install "ipython" and download examples codes. Users will be able to learn Python each topic easier, because it's easy to follow each example demo in video. It's very good to use this video course and iPython for Python improvement.

Written By: Surachart Opun
Categories: DBA Blogs