Kubernetes deploy Nebula diagram database cluster

What is Kubernetes Kubernetes is an open source application for managing containerized applications on multiple hosts in the cloud platform. Kubernetes aims to make deployment of containerized applications simple and efficient. Kubernetes provides a mechanism for application deployment, planning, update and maintenance. < br / > kubernete ...

Posted on Wed, 26 Feb 2020 07:23:55 -0500 by rmbarnes82

Install virtual machine and docker package

Install virtual machine and docker package 1, Download and install VirtualBox Download VirtualBox on the official website I won't talk about the installation, just go to next. 2, Configure and install virtual machines First, run the VirtulBox program. After opening the program, the first thing i ...

Posted on Wed, 26 Feb 2020 07:22:29 -0500 by Erkilite

Kafka entry cluster deployment

1, Overview of Kafka Kafka is a distributed Message Queue based on publish / subscribe mode, which is mainly used in Real time processing of big data. 2, Two modes of message queuing (1) Point to point mode (one-to-one, consumers pull data actively, and messages are cleared after receiving) The mess ...

Posted on Wed, 26 Feb 2020 00:35:11 -0500 by techi3

Apache dolphin scheduler cluster deployment scheme

Cluster deployment The dolphin scheduler cluster deployment is divided into two parts: backend deployment and front-end deployment 1. Back end deployment 1.1: basic software installation (please install the necessary items by yourself) PostgreSQL (8.2.15) + or MySQL (5.6 or 5.7 Series): choose ei ...

Posted on Tue, 25 Feb 2020 00:06:37 -0500 by DaveTheAve

Brief Filebeat configuration

Filebeat brief introduction Filebeat is a log file shipment tool that monitors the log directory or specified log files, tracks them for reading, and forwards the information to either elasticsearch or logstarsh when the client is installed on your server. Architecture System Beats is a lightweigh ...

Posted on Mon, 24 Feb 2020 21:20:51 -0500 by vonnero

How to protect MongoDB with user name and password

I want to set user name and password authentication for my MongoDB instance so that any remote access will require a user name and password. I tried this tutorial from MongoDB website and did the following: use admin db.addUser('theadmin', '12345'); db.auth('theadmin','12345'); After that, I quit and run mongo again. And I don't need a pa ...

Posted on Mon, 24 Feb 2020 10:04:46 -0500 by buraks78

Phase 3: Object Oriented

1.3 Object Oriented 1.3.1 Object Oriented Foundation 1.3.1.1 Object Oriented 1.3.1.1.1 Basic concepts Procedures and Functions Procedure is similar to a function, can only be executed, but does not return a value A function not only executes but also returns results Simply put, object-orient ...

Posted on Tue, 18 Feb 2020 22:31:20 -0500 by mustang

Installation of centos, ubuntu, windows 2012 system -- Summary of problems

1. centos thin edition cannot be connected to the network after installation: Enter / etc / sysconfig / network scripts Modify ifcfg-ens33 Change ONBOOT to yes Then restart 2. centos modify host name 3. ubuntu source change 1> Back up the original source file source.list Open the terminal on the desk ...

Posted on Sun, 16 Feb 2020 04:53:31 -0500 by -entropyman

Ballerina: Hello World

Preface Ballerina is a fully open source compile time strong type language with the vision of making it easy for programmers in the cloud native era to write the software they want Open source address: https://github.com/ballerina-platform/ballerina-lang Example Download the package of corresponding platform for installation https://ballerina.i ...

Posted on Wed, 12 Feb 2020 03:50:00 -0500 by TwistedLogix

Record a production accident -- disk full

Written in front Today, in the production environment running on Alibaba cloud ECS, all of a sudden, the access is abnormal and the interface reports errors. However, the company has no professional operation and maintenance personnel, so it can only solve the problem on its own. Troubleshooting On the surface, the database reports errors first ...

Posted on Mon, 10 Feb 2020 07:52:34 -0500 by Kitara