Learn - FATAL mapred.JobTracker: ENOENT: No such file or directory
 Nothing much for this post. I just needed to keep information in my blog. After I installed hadoop (rpm). I had started namenode & datanode, bit had an issue about jobtracker. When I started it....
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Strata Conference New York + Hadoop World 2012: Complete Video Compilation
Strata offers the informations of building a data driven business, product or career. You will see conferences, webcasts, books and etc. If you work with data... there is helpful. I meant informations...
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R Graphics Cookbook
What is R programming language? R is an open source programming language and software environment for statistical computing and graphics. The R language is widely used among statisticians and data...
View Articleyum yum - [Errno 4] IOError:
It's not something new with message "[Errno 4] IOError: <urlopen error> ". When you found with this error message. You might regenerate the metadata cache again. For my issue, 'Yes'! it's fixed...
View Articleyum yum - upgrade OL 5.8 to 5.9
I found Oracle Linux 5.9 post. After I heard Red Hat Enterprise Linux 5.9 GA Announcement last week. However, I pointed to Oracle Linux. I had to upgrade my test system. You can read Oracle Linux 5.9...
View Articlelearn a bit - MongoDB
After I read a few document about Oracle Linux. I thought I should learn something new today. I didn't have much time. Maybe 30 minutes! So, I started to read a little about mongodb, then download...
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View Updating and Relational Theory Solving the View Update Problem By C.J. Date
As you know views are virtual tables. When you use view you might see the missing information problem and the view updating problem.There are interesting for learning.If you are someone who is...
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Oracle CRM On Demand Administration Essentials
I have a chance to review Oracle CRM On Demand Administration Essentials by Padmanabha Rao and Venkatesan Sundaram.First of all, What is Oracle CRM On Demand? It's Oracle Service, that you access over...
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Learned Couchbase - Just installed it
As you know, Couchbase is the open source NoSQL database for interactive web and mobile applications. I plan to read a book about Developing with Couchbase Server. First of all, I had to install it. I...
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Developing with Couchbase Server By MC Brown
I had a chance to install CouchBase (Learned Couchbase - Just installed it). I definitely believe it's easy for installation and you can learn by yourself. As you know, CouchBase Server is a NoSQL...
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MongoDB Applied Design Patterns Practical Use Cases with the Leading NoSQL...
MongoDB is document-oriented database management system and supported by 10gen. Anyway, I was writing about a book, that's MongoDB Applied Design Patterns Practical Use Cases with the Leading NoSQL...
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Interactive Data Visualization for the Web An Introduction to Designing with...
Interactive Data Visualization for the Web An Introduction to Designing with D3 By Scott Murray.This book was written about programming data visualization for non-programmer. You're able read this book...
View ArticlePlay python with twitter streaming
I was interested in how to do twitter streaming. I tried to find out on the internet and got many examples. I tested it with python code(tweepy). I got data in JSON format. I thought it's a good idea,...
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Managing Multimedia and Unstructured Data in the Oracle Database by Marcelle...
Today, I have a chance to review a good book about Oracle Database - Managing Multimedia and Unstructured Data in the Oracle Database by Marcelle Kratochvil.Author, she is CTO and co-founder of...
View ArticleLearned a little bit about importing data from MySQL into HDFS using Sqoop
I have a chance to read a book - Hadoop Real-World Solutions Cookbook(Thank you ^______^). It pops up in my head, why I have never tested about Sqoop. As you know sqoop is a tool designed for...
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The account is locked on APEX
I have used APEX 4.2.2. I was unable to logon my APEX with INTERNAL workspace as admin. It showed "The account is locked".What was I able to do? ... run "apxchpwd.sql" script. I didn't think so. After...
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play with vncserver... when it showed nothing
I often use "ssvnc" to connect my servers to install or do something about X. Anyway, I must to start VNC before by using "vncserver".[surachart@oralearning ~]$ vncserverNew 'oralearning:1 (surachart)'...
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Managing Startups: Best Blog Posts By Thomas Eisenmann
I wanted to read a new book for new idea. Maybe, it's about something startup. Yes! For something new, that's a good idea. I chose to read "Managing Startups: Best Blog Posts" book By Thomas Eisenmann....
View ArticleLearn deploying a Replica Set - MongoDB
Today, I read a bit on MongoDB: The Definitive Guide book and found out more about deploying a Replica Set. Last time, I learned about MongoDB that I tested master - slave (just basic).Anyway, I was...
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MongoDB: The Definitive Guide By Kristina Chodorow
MongoDB - As everyone know it's a document database that provides high performance, high availability, and easy scalability. Some people used Phone System. They might found this database on it. It's...
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