Monthly Archives: November 2018

pip installation

https://pip.pypa.io/en/stable/installing/ Do I need to install pip? pip is already installed if you are using Python 2 >=2.7.9 or Python 3 >=3.4 downloaded from python.org or if you are working in a Virtual Environment created... Read More | Share it now!

Schema Registry in Trucking IoT on HDF

INTRODUCTION Schema Registry is a centralized repository for schemas and metadata. In this tutorial, we cover exactly what that means, and what Schema Registry provides a data pipeline in order to make it more resilient to different shapes and formats... Read More | Share it now!

Docker 安装 MySQL

http://www.runoob.com/docker/docker-install-mysql.html 方法一、docker pull mysql 查找Docker Hub上的mysql镜像 runoob@runoob:/mysql$ docker search mysql NAME DESCRIPTION STARS ... Read More | Share it now!

How To Install MySQL on Ubuntu 16.04

Introduction MySQL is an open-source database management system, commonly installed as part of the popular LAMP(Linux, Apache, MySQL, PHP/Python/Perl) stack. It uses a relational database and SQL (Structured Query Language) to manage its data. The... Read More | Share it now!

Installing a local Hortonworks Registry to use

https://community.hortonworks.com/articles/119766/installing-a-local-hortonworks-registry-to-use-wit.html Objective This tutorial walks you through how to install and setup a local Hortonworks Registry to interact with Apache NiFi. Environment This... Read More | Share it now!

rabbitmqctl

rabbitmqctl NAME rabbitmqctl — command line for managing a RabbitMQ broker SYNOPSIS rabbitmqctl  command  DESCRIPTION RabbitMQ is a multi-protocol open source messaging broker. rabbitmqctl is a command line tool for managing a... Read More | Share it now!

Kafka tools

List kafka consumer groups: kafka-consumer-groups --bootstrap-server localhost:9092 --list List kafka topics: kafka-topics --zookeeper localhost:2181 --list Add partitions to topics: bin/kafka-topics.sh --zookeeper localhost:2181 --alter --topic... Read More | Share it now!

failover redis cluster failover

今天测试了redis cluster  failover 功能,在切换过程中很快,但在failover时有force 与takeover 之分 $r 127.0.0.1:6237> cluster nodes 13b6094babb9c16066a315a828434b3c6525f08b 192.168.1.91:6236 master - 0... Read More | Share it now!

sort Linux

Sort是用于对单个或多个文本文件内容进行排序的Linux程序。Sort命令以空格作为字段分隔符,将一行分割为多个关键字对文件进行排序。需要注意的是除非你将输出重定向到文件中,否则Sort命令并不对文件内容进行实际的排序(即文件内容没有修改),只是将文件内容按有序输出。 本文的目标是通过14个实际的范例让你更深刻的理解如何在Linux中使用sort命令。 1、... Read More | Share it now!