Two fabric Parallel Methods: fabric parallel
Fabric is a python class library. The command line tool based on the ssh protocol is used for Application Deployment and system task management. The following describes two ways to run fabric code in parallel:
1: Parameter-P
from fabric.api import * host1 = 'root@ip1:22'
/2013-07/1375034417199825.html and iOS development tools-Statistics Crash tool crashlytics, download Frbric, Crashlytics is one of the functional modules, after selecting the project to initialize the SDK, there will be a problem, close xcode several times to experiment.HockeyAPP, was acquired by Microsoft, the function and Crashlytics almost, installation also h
/output_test.py 'Commands to Run:output_testParallel tasks now using pool size of 2[192.168.1.219] Executing task ' output_test '[192.168.1.219] Run:/bin/bash-l-C "LAAA"Fatal Error:run () received nonzero return code 127 while executing!Requested:laaaExecuted:/bin/bash-l-C "LAAA"None=========================== Standard Output ===========================/bin/bash:laaa:command not found=======================================================================Aborting.Disconnecting from 192.168.1.219
Copyright Notice: Blog Article copyright owners all, without authorization, prohibit reprint, reprint please specify the source installation Environment installation JDK
Download URL: http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html
Download jdk-8u151-macosx-x64.dmg install to PC install maven
Download URL: https://maven.apache.org/download.cgi
Extract to/users/fujinliang/documents/environment
Open terminal , modify. BASHRC
VI ~/.BASHRC
Add the following code
Bloggers before the article is to teach you how to quickly build a fabric environment, but a lot of work is hidden in the official script, not easy for everyone to understand the process, so the blogger here will be the process of one step by step decomposition, convenient for everyone.
Before the preparation of the work I need not say, that is, the installation of various software and development environment, after installation, we git clone down the
Preface
Hyperledger fabric, what is hypeledger and what is fabric? Hypeledger literally means the Super ledger, which was launched by the Linux Foundation in December 2015 as an open-source project called "Super Ledger", designed to drive collaboration to create a blockchain-based, enterprise-class distributed ledger underlying technology for building industry applications and platforms that support the bu
Software Components for common microservices architectures:Docker (Mature application)Spring Boot% Spring Cloud (technology trends)Service Fabric (behind a rising star is the driver of Microsoft Cloud)The four common microservices architectures are Zeroc Icegrid, Spring Cloud, Message Queuing and Docker Swarm.The actual production is mostly a combination of pattern applications such as best practice Spring Cloud+docker. MicroServices Features-Continu
About FabricMySQL fabric is launched by Oracle, which simplifies the management of MySQL clusters and offers two main features:1 high availability with fault detection and failover2 scalability through automatic data fragmentationFabric Prerequisites
MySQL server 5.6.10 or later for fabric MySQL servers (fabric is based on the new features of MySQL 5.6 gtid)
Bloggers before the article is to teach you how to quickly build a fabric environment, but a lot of work has been hidden in the official script, it is not convenient for us to understand the process in depth, so bloggers here will be the process of one step by step decomposition, to facilitate everyone.
In front of the preparation I don't have to say, that is, the installation of various software and development environment, after installation, we git
variable:
Enter the. BASHRC Configuration environment variable:
$ sudo vim ~/. BASHRC or: $ sudo vim/etc/profile
Add the following code to the last side:
Export gopath=/usr/local/goexport path= $GOPATH/bin: $PATH
Save, exit.
To make an environment variable effective:
$ source ~/. BASHRC or: $ source/etc/profile
After viewing the version number no problem, the configuration is successful.1.3.2 node. js
Download node. js
$ CURL-SL https://
Install node. js
sudo Install -y Nodejs
Check
MySQL: Fabric installation and mysqlfabric Installation
Install MySQL Fabric
MySQL Fabric is a tool provided by Oracle to assist in ha \ sharding. Its basic architecture is as follows:
As shown above, Fabric can be used to build HA clusters, Sharing, and HA + Sharding.
The application learns the ing relationships b
I tried novodex2.6.2's fabric system. It feels pretty good,Simple and easy to use, powerful functions, and good speed,The fabric system can be used not only to simulate the fabric, but also to describe the hair and many variability objects, such as the surface of an empty gas barrel. The company is planning to use this to make hair.
I don't want to talk about i
Super Ledger Hyperledger-fabric local compilation and installation
From Yang Paohua and other "blockchain-principles, design and Application" Local compilation installation deployment Super Ledger fabric network.
The super ledger fabric is based on the Go language implementation, and local compilation is recommended to configure Golang1.7 or later environments.
00 Introduction
The open source Blockchain distributed ledger--hyperledger Fabric, launched by the Linux Foundation, has ushered in the 1.2.0 version. The project focuses on performance and reliability, as well as cross-industry collaboration to drive blockchain and distributed ledger technology. Hyperledger Fabric can be used for scenarios such as global supply chain management, financial transactions, ass
This is a creation in
Article, where the information may have evolved or changed.
Source code compilation-why?
The compilation of fabric source code is based on the basic knowledge of some of the modules or modules of the fabric. But why compile the source of the fabric, the gods have already written the fabric of the
Introduction to Automation Deployment Tools fabricFabric is an automated deployment tool that helps us reduce repetitive/cumbersome operations on-line, and it is necessary for operations or developers of many small companies that lack a mature operations platform.1. What is fabric?The official fabric documentation is described below:Fabric is a Python (2.5-2.7) library and command-line tool for streamlining
Guide for installing and using Fabric, an automated deployment module of Python, pythonfabric
Fabric is a python2.5 or higher library. You can execute tasks in batches on multiple hosts through ssh. complete system management tasks. it provides a set of basic operations to execute shell commands locally and remotely, or upload and download files to help users input or terminate execution.
The following two
1. Way One
Direct download to the Docker hub:
https://hub.docker.com/r/hyperledger/
Docker Pull hyperledger/fabric-peer:x86_64-1.0.1Docker Pull hyperledger/fabric-orderer:x86_64-1.0.1Docker Pull hyperledger/fabric-ccenv:x86_64-1.0.1Docker Pull hyperledger/fabric-ca:x86_64-1.0.1Docker Pull hyperledger/
Output:go version go1.10.1 linux/amd64
If you have an older version of Golang in your system, uninstall the old version of Golang using the following command, and then reinstall
$ su -# apt-get remove golang-go --purge apt-get autoremove --purge apt-get clean
Installing node and NPM
Install NVM
Install node
$ nvm install v8.11.1
Check node version
$ node -v
Output:v8.11.1
Check NPM version
$ npm -v
Output:5.6.0
Hyperledger Fabric Samp
Take a look at the samples two department network three automation scripts have done what to boot block chain network execution Scriptsscriptsh scripts four themselves perform Channelchaincode related operations start the network into the CLI container create channel add to channel install C Haincode initialization chaincode Chaincode Query method Chaincode Invoke method Chaincode other methods
A. Download Samples
Note: build the basic environment first, then follow the steps below.
git clone ht
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