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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, ∼1297🔥, 0💬

ERROR(OPF-030) - unique-identifier Not Found
How to fix the "ERROR(OPF-030) - The unique-identifier ... was not found" error? When you validate a EPUB 2.0 package with EpubCheck, you may see the following error: C:\fyicenter&gt; java -jar epubcheck.jar Error-Unique-ID-Not-Found-2.0. epubValidating using EPUB version 2.0.1 rules. ERROR(OPF-...
2022-11-04, ∼1296🔥, 0💬

Hyperledger Composer Script File
What Is Hyperledger Composer Script File (*.js)? A Hyperledger Composer script file is a source code file that define business logics on how each transaction is processed. A script file uses the JavaScript language and the .js file extension. Here is an example of a script file from the Basic Sample...
2020-11-22, ∼1296🔥, 0💬

Turn on Ledger Peer Operation RESTful API
How to Turn on Ledger Peer Operation RESTful API? You can follow this tutorial to Turn on Ledger Peer Operation RESTful API. 1. Update Docker Compose YAML file, docker-compose-peer.yaml to override the "operations" settings: $ cd fabric-peer $ vi docker-compose-peer.yaml # Copyright (c) FYIcenter.co...
2019-02-09, ∼1296🔥, 0💬

Prepare User Identity for Isabella
How to Prepare User Identity for Isabella? If Isabella wants to run any application to use the chaincode running the PaperNet, you to prepare a user identity for her. An identity of an application user consists of a private key and a public key certificate issue by the CA node of the PaperNet. Norma...
2019-11-21, ∼1295🔥, 0💬

Instantiate PaperNet Chaincode (Smart Contract)
How to Instantiate the PaperNet Chaincode (Smart Contract), papercontract.js? Now that papercontract chaincode containing the CommercialPaper chaincode is installed on the required PaperNet peers, you, as administrator, can make it available to different network channels, so that it can be invoked b...
2019-12-02, ∼1291🔥, 0💬

Enroll Fabric CA Client Admin Identity
How to Enroll Fabric CA Client Admin Identity? In order to use Fabric CA Client tool, you must enroll the server admin identity first. 1. Make sure Fabric CA Server is running at port 7054. 2. Set up FABRIC_CA_CLIENT_HOME environment variable to avoid using the default of $HOME/.fabric-ca-client $ m...
2019-09-27, ∼1291🔥, 0💬

Peer and CouchDB Container Dependency
Which Peer container depends which CouchDB container in BYFN network? If you are running BYFN (Build Your First Network) with the CouchDB option, the Peer and CouchDB Container Dependency is defined in the "docker-compose-couch.yaml" file. $ cd ~/hyperledger-binaries/fabric- samples/first-network$ m...
2020-07-03, ∼1290🔥, 1💬

Business Network Source Code Architecture
What Is Business Network Source Code Architecture? Business Network Source Code Architecture can be summarized in the following diagram: Hyperledger Composer offers tools to help you developing hyperledger application, called business network, with following source code files: Model Files (*.cto) - ...
2022-02-19, ∼1287🔥, 0💬

Install Hyperledger Composer on UBuntu
How to install Hyplerledger Composer on Ubuntu? You can follow this tutorial to install Hyplerledger Composer on Ubuntu 1. Install Hyplerledger Composer CLI: $ sudo npm install -g composer-cli ... installation messages ... $ composer --version v0.20.8 2. Install Hyplerledger Composer REST API Server...
2021-05-04, ∼1287🔥, 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, ∼1287🔥, 0💬

"participant" CTO Statement Syntax
What is the syntax of the "participant" CTO Statement The "participant" CTO statement declares a participant data type to represent someone who can interact with the business network under access control rules. Here is the syntax of a "participant" statement: [abstract] participant type_name [identi...
2021-08-01, ∼1285🔥, 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, ∼1285🔥, 0💬

Deploy cli Container Manually
How to Deploy cli as a Docker container manually? You can follow this tutorial to Deploy cli as a Docker container manually. 1. Verify the configuration of the cli container defined in the docker-compose.yml file: $ cd ~/hyperledger-binaries/fabric- samples/basic-network$ more docker-compose.yml ......
2020-03-15, ∼1284🔥, 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, ∼1282🔥, 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, ∼1279🔥, 0💬

"concept" CTO Statement Syntax
What is the syntax of the "concept" CTO Statement The "concept" statement declares a generic data type to represent secondary data entities to support primary data entities. Here is the syntax of an "concept" statement: concept type_name [extends super_type] { o|--&gt; property_type property_nam...
2021-06-19, ∼1278🔥, 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, ∼1272🔥, 0💬

PATH Directories of Windows Container
How to see the PATH directories of Windows image? I want to know what programs I can run on the container. One way to see the PATH directories of a Windows image is to run the CMD shell interactively. Then run the SET sub-command in the shell. C:\fyicenter&gt; docker run --name windows --entrypo...
2022-02-02, ∼1270🔥, 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, ∼1269🔥, 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, ∼1267🔥, 0💬

NVIDIA GPU Server Docker Image
Where to find tutorials on NVIDIA GPU Server Docker Image? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on NVIDIA GPU Server Docker Image. What Is NVIDIA CUDA Docker Image "docker pull nvidia/cuda" - Download Docker Image Install Miniconda3 on ...
2023-03-07, ∼1264🔥, 0💬

Build the BYFN Network Manually
How to build the BYFN (Build Your First Network) manually? You build the BYFN network automatically with the "./byfn.sh up" script command. But if you want to learn how to build it manually, you need to complete the following steps: 1. Review and revise crypto-config.yaml configuration file, which c...
2020-10-26, ∼1262🔥, 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, ∼1262🔥, 0💬

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