How can I determine Linux operating system detail? uname (short for unix name) is a software program in Unix and Unix-like computer operating systems that prints the name, version and other details about the current machine and the operating system running on it.Read More How can I determine Linux operating system detail?
Memcache: Free & open source, high-performance, distributed memory object caching system, generic in nature, but intended for use in speeding up dynamic web applications by alleviating database load. Memcached is an in-memory key-value store for small chunks of arbitrary data (strings, objects) from results of database calls, API calls, or page rendering.Read More Memcache
Remove Duplicate Text Lines from single or two files in Linux How to remove duplicate text lines or get only unique text lines in linux? It is very simply achievable by “Sort” and “uniq” command.Read More Remove Duplicate Text Lines from single or two files in Linux
There are several ways you can install Hadoop and Hive. An easy way to install a complete Hadoop system, including Hive, is to download a preconfigured virtual machine (VM) that runs in VMWare1 or VirtualBox2. 1. http://vmware.com. 2. https://www.virtualbox.org/Read More Hive Installation
Hive, Originally developed by Facebook, It provides us data warehousing facilities on top of an existing Hadoop cluster. Along with that it provides an SQL like interface which makes your work easier, in case you are coming from an SQL background. You can create tables in Hive and store data there. Along with that you…Read More Introduction of Hive
In point of view all of them MySQL,Cassandra and MongoDB are good. There are several ways to achieve best out of them with all of the technologies. It is more a question of how you use them. Your ideal solution may use a combination of these, with some consideration for usage patterns.Read More MySQL,Cassandra and MongoDB