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"byfn.sh up" - Start Up BYFN Network
How to run "byfn.sh up" to start up the BYFN Network? You can follow this tutorial to run "byfn.sh up" to Start up the BYFN Network. The "./byfn.sh up" command automatically generates the configuration again, deploys/starts all containers to the Docker Engine, and runs a set of chaincode tests. $ cd...
2020-05-05, ∼1833🔥, 0💬

Start CLI Container for DigiBank Admin
How to Start CLI Container for the DigiBank Administrator? If you are the administrator from DigiBank and want to manage the PaperNet Hyperledger Fabric network, you can follow this tutorial. 1. Create a new terminal window and run the docker-compose command to start the CLI container: (digibank adm...
2019-11-21, ∼1833🔥, 0💬

Hyperledger Related Terminology
Hyperledger Related Terminology: Asset - An Asset is a data object with a unique identifier. The content of an asset can be anything from a simple numeric value to a complex data object. For example, an asset can represent a financial asset, like a bank account in a bank system. Blockchain - A Block...
2020-01-21, ∼1831🔥, 0💬

Fabric CA Client Wallet
Where is the Fabric CA Client Wallet that stores identities and certificates used to access the Fabric CA Server? The Fabric CA Client Wallet is stored in the "msp" sub-directory in the $FABRIC_CA_CLIENT_HOME directory or the default location of $HOME/.fabric-ca-client. The Fabric CA Client Wallet h...
2019-09-27, ∼1831🔥, 0💬

"composer network" Commands
What can I do with "composer network" command? "composer network" commands are part of the Composer CLI command set. It allows you to manage business networks running in the Hyperledger Composer developer environment. Here is the syntax of the "composer network" commands: $ composer network help Com...
2020-12-26, ∼1830🔥, 0💬

Hyperledger Composer Environment Channels
What Channels are included in my Hyperledger Composer Environment? In the fabric-dev-servers.tar.gz package, only one channel, "composerchannel", is created in the Hyperledger Composer Developer Environment. The peer node peer0.org1.example.com has been configured to this channel. You can only deplo...
2020-07-14, ∼1827🔥, 0💬

Interfaces to Communicate with Ledger Peer
Where to find tutorials on Interfaces to Communicate with Ledger Peer? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on Interfaces to Communicate with Ledger Peer. Main Interfaces to Communicate with Ledger Peer Download and Install Golang SDK D...
2020-01-29, ∼1826🔥, 0💬

Install Docker CE on Ubuntu with "apt"
How to install Docker CE (Community Edition) on Ubuntu with "apt"? You can follow this tutorial to install Docker CE (Community Edition) on Ubuntu with the "apt" tool. 1. Get your Ubuntu codename with "lsb_release" command. fyicenter$ lsb_release -cs bionic 2. Get your system architecture name with ...
2019-04-18, ∼1826🔥, 0💬

What Is Ledger Peer Operation RESTful API
What is Ledger Peer Operation RESTful API? Ledger Peer Operation RESTful API is RESTful Web service provided by a ledger peer. It is different than and separated from the primary ledger Web service provided by the ledger peer. Ledger Peer Operation RESTful API exposes the following functionalities: ...
2019-04-11, ∼1825🔥, 0💬

"docker container rm" - Remove Container
How to remove a container from the Docker Engine with "docker container rm" command? If a container is no longer needed, you can remove it from the Docker Engine to save space using the "docker container rm" command. 1. Run "docker container list --all" command. You see 2 containers created from the...
2019-04-12, ∼1821🔥, 0💬

Switch Default Peer on BYFN CLI Container
How to switch the default peer on BYFN CLI Container? I want to join peer0.org2.example.com to the channel. You can follow this tutorial to switch the default peer to peer0.org2.example.com and join it to BYFN "mychannel" channel. 1. Switch the default peer by changing environment variables: bash-4....
2020-09-30, ∼1820🔥, 0💬

Member Peers of a Channel
How to find out which Peers are members of the "mychannel" channel? One way to find out which Peers are members of the "mychannel" channel is to visit each peers and check their joined channel list: 1. Connect to the CLI container: $ docker exec -it cli bash bash-4.4# 2. Check joined channel list on...
2020-05-29, ∼1819🔥, 0💬

View Logs Files of basic-network
How to view logs files of the example network, basic-network? The example network, basic-network, consists of 4 Docker containers. You can view the log file on each container. 1. View log file of the orderer container: $ docker logs orderer.example.com [orderer.common.server] prettyPrintStruct -&...
2020-04-14, ∼1813🔥, 0💬

Install Composer Prerequisites on Ubuntu
How to install Hyplerledger Composer Prerequisites on Ubuntu? The best way to install Hyplerledger Composer Prerequisites on Ubuntu is to download and run the prereqs-ubuntu.sh script. 1. Verify your Ubuntu version: $ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: U...
2021-05-04, ∼1812🔥, 0💬

"docker-compose" - Deploy Orderer to Docker
How to deploy Orderer peer to Docker using the "docker-compose" command? You can follow this tutorial to deploy Orderer peer to Docker using the "docker-compose" command. 1. Verify required files for the Orderer peer: $ cd fabric-orderer $ ls -l -rw-rw-r-- 1 fyicenter 935 Apr 1 02:23 docker-compose-...
2019-08-23, ∼1812🔥, 0💬

Docker Components and Architecture
What are the components of Docker and how they related to each other? Docker consists of several main components: Docker Server (also called Docker Daemon, Docker Server, "dockerd") - The background process that manages Docker containers and handles container objects. The daemon listens for requests...
2019-05-28, ∼1811🔥, 0💬

Managing Data Storage in Docker
Where to find tutorials on Managing Data Storage in Docker? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on Managing Data Storage in Docker. Types of Docker Data Storage Docker Data Storage - "tmpfs" Mounts Docker Data Storage - Volume Mounts D...
2023-02-19, ∼1805🔥, 0💬

"docker container ..." - Manage Containers
How to manage containers with "docker container ..." commands? A Docker container is a deployed instance of an application that runs on the Docker Engine in an encapsulated environment. You can use "docker container" commands to manage Docker containers. Here is a list of sub-commands supported by t...
2019-06-02, ∼1799🔥, 0💬

Start/Stop Hyperledger Fabric Dev Environment
How to start and stop Hyplerledger Fabric Dev Environment? You can follow this tutorial to start and stop Hyplerledger Fabric on Ubuntu. 1. Make sure the Docker Engine is running: $ ps -e | grep dockerd 17939 ? 00:39:58 dockerd $ docker info Containers: 6 Running: 4 Paused: 0 Stopped: 2 Images: 88 S...
2021-04-04, ∼1798🔥, 0💬

Deploy ca.example.com Manually
How to Deploy ca.example.com as a Docker container manually? You can follow this tutorial to Deploy ca.example.com as a Docker container manually. 1. Verify the configuration of the ca.example.com container defined in the docker-compose.yml file: $ cd ~/hyperledger-binaries/fabric- samples/basic-netw...
2020-03-25, ∼1798🔥, 0💬

Container Network - "net_basic"
What is the Container Network - "net_basic"? "net_basic" is a Docker container network consists of all containers related to Hyperledger Fabric network, basic-network. A container network groups containers together to help network communications among those containers. You can verify the "net_basic"...
2020-04-14, ∼1794🔥, 0💬

Introduction of EPUB 3.2 Specification
Where to find tutorials on introduction of EPUB 3.2 Specification? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on introduction of EPUB 3.2 Specification. What Is EPUB 3.2 Specification Changes on EPUB Packages 3.2 Changes on EPUB Content Docum...
2022-11-04, ∼1791🔥, 0💬

Download Business Network from Playground
How to download Business Network from Hyperledger Composer Playground? You can follow this tutorial to download a Business Network from Hyperledger Composer Playground and save it to your local computer. 1. Open Hyperledger Composer Playground and go to Basic Sample Business Network home page, as sh...
2020-12-15, ∼1791🔥, 0💬

Invoke Chaincode Transaction on BYFN Channel
How to Invoke Chaincode Transaction on BYFN Channel? An instance of a chaincode can be viewed as an object of a class in an execution environment. It can hold transaction operations to manage its properties. You can run the "peer chaincode invoke" command to invoke the "Invoke" operation of a given ...
2020-09-30, ∼1789🔥, 0💬

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