Install Ruby and Rubygems on CentOS 6.5

Install Ruby # wget http://ftp.ruby-lang.org/pub/ruby/2.3/ruby-2.3.1.tar.gz # tar xvzf ruby-2.3.1.tar.gz # cd ruby-2.3.1 # ./configure –prefix=/usr # make # make install Remove Ruby remove “ruby-2.3.1” folder Install RubyGems # wget https://rubygems.org/rubygems/rubygems-2.6.6.tgz # tar xvzf rubygems-2.6.6.tgz # cd rubygems-2.6.6 # ruby setup.rb config # ruby setup.rb setup # ruby setup.rb install Remove RubyGems remove “rubygems-2.6.6” folder

Understanding The Three Vs (3Vs) of Big Data

Big Data refers to data that because of its size, speed or format, that is, its volume, velocity or variety, cannot be easily store, manipulated or analyzed with traditional methods like spreadsheet, relational databases or common statistical software. To put in another way, big data is data that doesn’t fit well into a familiar analytic Read More…