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Modify Business Network in Playground
How to modify Business Network in Hyperledger Composer Playground? You can follow this tutorial to modify a Business Network in Hyperledger Composer Playground and deploy it back to the Hyperledger Fabric simulator or server. 1. Open Hyperledger Composer Playground and go to Basic Sample Business Ne... 2020-12-15, ∼1769🔥, 0💬

Install Docker CE on CentOS
Where to find tutorials on Docker CE (Community Edition) on CentOS systems? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team as Introduction to Docker CE (Community Edition) on CentOS systems. Install Docker CE on CentOS with YUM Install Docker CE ... 2023-03-17, ∼1767🔥, 0💬

"docker container exec" - Execute Command on Running Container
How to Execute an extra Command on a Running Container using the "docker container exec" command? Since Linux system is a multi-tasking system, you can send an extra command to be executed on a running Alpine container. 1. Check the container status to make it is still running. fyicenter$ docker con... 2019-02-17, ∼1763🔥, 0💬

Clean Up Docker Engine for WYFA
How to Clean Up Docker Engine to run the WYFA (Writing Your First Application) tutorial? You can follow these steps to setup the Clean Up Docker Engine to run the WYFA (Writing Your First Application) tutorial. 1. Stop existing Hyperledger Fabric Networks on your local host by stopping all Docker co... 2020-02-29, ∼1762🔥, 0💬

"transaction" Process Function Defined in JS
How to define a "transaction" process function in the JS scripting file? If you want your Hyplerledger Composer business network to process a business transaction, you need to the "function" JavaScript statement to define a "transaction" process function in a JS scripting file. When Hyplerledger Com... 2021-06-05, ∼1758🔥, 0💬

Verify Docker Engine on Ubuntu
How to verify Docker Engine on Ubuntu? Hyperledger Fabric framework runs on Docker Engine. So it is important to verify that Docker Engine is running correctly on your local Ubuntu system. Here are some suggestions on how to verify the Docker Engine. 1. Verify version of the Docker Engine and make s... 2020-05-15, ∼1755🔥, 0💬

Inspect Transaction Blocks of Channel Blockchain
How to Inspect Transaction Blocks of Channel Blockchain? You can follow this tutorial to Inspect Transaction Blocks of Channel Blockchain. 1. Connect to the CLI container of the Hyperledger Fabric network: $ docker exec -it cli bash bash-4.4# 2. Download (fetch) the newest block from "mychannel" cha... 2020-08-13, ∼1749🔥, 0💬

Deploy peer0.org1.example.com Manually
How to Deploy peer0.org1.example.com as a Docker container manually? You can follow this tutorial to Deploy peer0.org1.example.com as a Docker container manually. 1. Verify the configuration of the peer0.org1.example.com container defined in the docker-compose.yml file: $ cd ~/hyperledger-binaries/f... 2020-03-25, ∼1746🔥, 0💬

Peer Log Messages - Start Environment
How to verify peer node log messages to ensure my Hyperledger Composer developer environment is started correctly? You can follow this tutorial to verify peer node log messages generated during the Hyperledger Composer developer environment start up process. 1. Stop the environment: $ cd fabric-dev-... 2020-12-02, ∼1745🔥, 0💬

"docker help" Commands
How use the "docker help" command? The "docker help" command allows you to learn how to use "docker" command. It has 3 levels of helps. 1. "docker help" - Top level help. It lists top level commands and options. For example: fyicenter# docker help Usage: docker [OPTIONS] COMMAND A self-sufficient ru... 2023-03-07, ∼1741🔥, 0💬

Hyperledger Composer Access Query File
What Is Hyperledger Composer Query File (*.qry)? A Hyperledger Composer Query file is a source code file that define queries to retrieve business objects from the Business Network. A access control file uses the Query language and the .qry file extension. Here is an example of an query file from the... 2020-11-22, ∼1741🔥, 0💬

"docker container start" - Start Alpine Container
How to Start Alpine Container with the "docker container start" command? If you want to start the Alpine container with its default command, you can use the "docker container start" command. 1. Run "docker container start" command with console attached and interactively. You see no output messages o... 2019-02-12, ∼1739🔥, 0💬

"crypto-config.yaml" Environment Configuration File
What is the "crypto-config.yaml" Environment Configuration File? "crypto-config.yaml" is a Configuration File used to control the Hyplerledger Composer development environment. It is located in the "composer" sub-directory: $ cd fabric-dev-servers/fabric-scri pts/hlfv12/composer$ ls -l -rw-r--r-- 1 ... 2020-07-22, ∼1738🔥, 0💬

redeem.js - Application to Redeem Paper
What is the Application to Redeem Pape, redeem.js? redeem.js is a client application using the Hyperledger Fabric Node.js SDK library to invoke the redeem() function of the papercontract running on the PaperNet. 1. View redeem.js source code: (balaji)$ cd ~/hyperledger-binaries/fabric- samples(balaj... 2019-11-08, ∼1738🔥, 0💬

Basic Sample Business Network - SampleAsset
How to add new SampleAsset records in Basic Sample Business Network? You can follow this tutorial to add new SampleAsset records in Basic Sample Business Network. 1. Open Hyperledger Composer Playground and go to Basic Sample Business Network home page, as shown in the previous tutorial. 2. Click "T... 2020-12-22, ∼1735🔥, 0💬

Basic Sample Business Network - SampleTransaction
How to submit SampleTransaction request to Basic Sample Business Network? You can follow this tutorial to submit SampleTransaction request to Basic Sample Business Network. 1. Open Hyperledger Composer Playground and go to Basic Sample Business Network home page, as shown in the previous tutorial. 2... 2020-12-22, ∼1726🔥, 0💬

BYFN docker-compose-cli.yaml Configuration File
What is the docker-compose-cli.yaml Configuration File used in BYFN (Build Your First Network)? The docker-compose-cli.yaml Configuration File provides settings on Docker containers to run the BYFN network. Here is the default copy of docker-compose-cli.yaml provided in BYFN: # SPDX-License-Identifi... 2020-10-20, ∼1723🔥, 0💬

Types of Docker Data Storage
What are Docker data storage types? There are 3 main data storage types supported by Docker: tmpfs mounts, volume mounts, and bind mounts. 1. tmpfs mounts - tmpfs mounts are stored in the host system’s memory only, and are never written to the host system’s filesystem. 2. volume mounts - Volumes are... 2023-02-03, ∼1718🔥, 0💬

Business Network JS Scripting Language
Where to find tutorials on Business Network JS Scripting Language. Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on Business Network JS Scripting Language. What Is JS Scripting Language "transaction" Process Function Syntax "transaction" Data Ty... 2021-06-19, ∼1717🔥, 0💬

stop.sh - Stop basic-network
How to run stop.sh script to stop the Hyperledger Fabric example network, basic-network? You can follow this tutorial to run stop.sh script to stop the Hyperledger Fabric example network, basic-network. 1. Run stop.sh script to stop the basic-network: $ cd ~/hyperledger-binaries/fabric- samples/basic... 2020-04-25, ∼1710🔥, 0💬

Not All Member Peers Run Chaincode
How to find out which member peers are running a given chaincode? When a chaincode is instantiated on a channel, you don't need all member peers to install the chaincode and run it. But we have to have some member peers to install and run it. Otherwise, no transactions can be performed on this chain... 2019-04-17, ∼1709🔥, 0💬

View Channel Blockchain and Download Blocks
How to View Blockchain and Download Blocks of a Hyperledger Fabric Channel? You can follow this tutorial to View Blockchain and Download Blocks of a Hyperledger Fabric Channel. 1. Connect to the CLI container of the Hyperledger Fabric network: $ docker exec -it cli bash bash-4.4# 2. List channels jo... 2020-08-13, ∼1707🔥, 0💬

Docker Data Storage - Volume Mounts
How to create a new Volume mount to a Docker container? Volume mounts are stored in a part of the host filesystem which is managed by Docker (/var/lib/docker/volumes/ on Linux). Non-Docker processes should not modify this part of the filesystem. Volumes are the best way to persist data in Docker. Be... 2021-08-15, ∼1705🔥, 0💬

"docker container create alpine" - Create Alpine Container
How to Create Alpine Container with the "docker container create alpine" command? With the Alpine Docker Image downloaded to the local repository, you can use the "docker container create alpine" command to create a new container from the Alpine image. 1. Run "docker container create" command to cre... 2018-12-25, ∼1703🔥, 0💬

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Blockchain Container EPUB General HTML JSON Microsoft Node.js PHP Python RSS Tools Visual Studio Web