bradtraversy

Docker Commands, Help & Tips

Show commands & management commands

$ docker

Docker version info

brandonsoto

# -*- mode: ruby -*-
# vi: set ft=ruby :

required_plugins = %w(vagrant-share vagrant-registration)

plugins_to_install = required_plugins.select { |plugin| not Vagrant.has_plugin? plugin }
  if not plugins_to_install.empty?
    puts "Installing plugins: #{plugins_to_install.join(' ')}"
    if system "vagrant plugin install #{plugins_to_install.join(' ')}"
      exec "vagrant #{ARGV.join(' ')}"

saptak

Overview

Hive is designed to enable easy data summarization and ad-hoc analysis of large volumes of data. It uses a query language called Hive-QL which is similar to SQL.

In this tutorial, we will explore the following:

1. Load a data file into a Hive table
2. Create a table using RCFormat
3. Query tables
4. Managed tables vs external tables

v5tech

TO IMPORT & EXPORT DATA FROM RDBMS (MYSQL,ORACLE, etc) INTO HDFS / HIVE / HBASE

Pre-requisite

Apache Hadoop

Apache Sqoop (compatible with Hadoop version)

Apache Hive (optional)

donigian

Hadoop File System Commands

Syntax Overview

The basic syntax of HDFS commands is as follows:

$ hadoop fs -command [extra arguments]
For example:

$ hadoop fs -ls