Latest Blog Posts for Technical Details of computers Blog

• Shorten ssh command using config file
  on Dec 3, 2016
  If you are accessing remote servers frequently using ssh. You can save your ssh configuration (server Ip, port, user, key) to a file and reuse this configuration without entering these details repeatedly. This provides cleaner approach for ssh comman...
• HMAC Authentication
  on Dec 14, 2015
  In this short article I'm going to explain about HMAC authentication and how it works.What is HMAC authentication? HMAC (Hash-based message authentication code) authentication provides a simple way to authenticate and verify the data integrity o...
• Ubuntu - Gnu parallel - It's awesome
  on Jun 17, 2014 in GNU parallel shell script Ubuntu
  GNU parallel is a shell package for executing jobs in parallel using one or more nodes. If you have used xargs in shell scripting then you will find it easier to learn GNU parallel,because GNU parallel is written to have the same options as xargs. If...
• Shell script edited on windows - Issue when executing on linux
  on May 30, 2014 in bash script BOM character issue
  I faced the above issue when I'm trying to execute the script after doing some editing on windows. Those two issues are due to BOM character and the carriage return (\r) present in the file.BOM (byte order mark) character -  This is a Unicode ch...
• Article on Monitor Your Key Performance Indicators using WSO2 BAM.
  on Jun 27, 2013
  I've written an article for WSO2 library explaining how to Monitor your Key Performance Indicators  using WSO2 BAM WSO2 BAM an enterprise-ready, fully-open source, complete solution for aggregating, analyzing and presenting information abou...
• Configuring Hive metastore to remote database - WSO2 BAM2
  on Oct 23, 2012
  Hive MetastoreHive metastore is the central repository which is used to store Hive metadata. We use embedded H2 database as the default hive metastore. Therefore only one hive session can access the metastore. Using remote MYSQL database as Hive...
• A Fix for Huawei E220 connection issue with ubuntu 12.04
  on Oct 6, 2012
  After installing Ubuntu 12.04, I faced an issue when connecting to the internet from my Huawei E220 dongle. So I did some google search and found a bug report relating this[1]. After going through this issue I found a workaround which fix the issue.T...
• WSO2 Business Activity Monitor 2.0.0 released ....!!!!
  on Sep 8, 2012
  We spent almost year for releasing the WSO2 BAM 2.0.0 after completely re-writing it twice from BAM 1.x.x to  BAM 2.0.0 according to new architecture, suggestions and improvements. Finally we released it today, below you can...
• JDBC Storage Handler for Hive
  on Jun 10, 2012
  I was able to complete the implementation of Hive JDBC Storage Handler with basic functionality. Therefore I thought to write a blog post describing the usage with some sample queries. Currently It supports writing into any database and reading from...
• How to remote debug Apache Cassandra standalone server
  on Apr 29, 2012
  In order to debug the cassandra server from your favorite IDE. You need to add the following into cassandra-env.sh located in apache-cassandra-1.1.0/conf directory.JVM_OPTS="$JVM_OPTS -Xdebug"JVM_OPTS="$JVM_OPTS -Xnoagent"JVM_OPTS="$JVM_OPTS -Djava.c...

{pvComments::user_name}

{pvComments::date}

Delete 

{pvComments::comment}

Post a Comment