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Install Docker Static Package on Windows 10
How to install Docker static package on Windows 10? If you have trouble installing Docker Desktop for Windows 10, you want to try the static command line version of Docker CE (Community Edition) as shown in this tutorial. 1. Go to https://download.docker.com/wi n/static/. 2. Click and open "Stable &...
2023-01-30, ∼1876🔥, 0💬

Incorrect HTML 'p' Elements
What Is Wrong with My "p" Elements? If you are having trouble with your p elements, it could be caused by one of the following common mistakes: &lt;!-- Missing closing tags --&gt; &lt;body&gt; &lt;p&gt;I love the way you look at me. &lt;p&gt;I love the way you kiss me...
2023-08-03, ∼1875🔥, 0💬

Build "hello" Image from Alpine
How to Build my "hello" Docker image from the Alpine image? I want the container to print "Hello!" in the console. If you want to build a new Docker image, you can try to build it with the Alpine image as its base as shown in this tutorial. 1. Create a "Dockerfile" file with 2 instructions: fyicente...
2019-02-19, ∼1873🔥, 0💬

Path Name Used to Build Windows Images
What is the format for path names used to build Windows Docker images? Is it different than Linux path name format? Yes. Path name format used to build Windows images is different from Linux images. There are 2 general rules you have to remember when using path names in the Dockerfile to build Windo...
2021-11-30, ∼1869🔥, 0💬

Organization with CLI Admin Tool
Should I run CLI Admin Tool in my organization on a multi-organization network? Yes, you should run CLI Admin Tool in your organization on a multi-organization network. It provides a nice tool for your administrator to manage ledger peers in your organization. Now we have a Hyperledger Fabric Networ...
2019-10-27, ∼1866🔥, 0💬

Remove Older Versions Chaincode Containers
How to Remove Older Versions Chaincode Containers after the chaincode instance is upgraded? After a chaincode instance is upgraded, chaincode containers of the old version are still running on the Docker Engine. You can follow this tutorial to remove them. 1. List all chaincode containers: $ docker ...
2020-08-13, ∼1863🔥, 0💬

Launch the WYFA Network
How to Launch the Hyperledger Fabric Network to run the WYFA (Writing Your First Application) tutorial? You can follow these steps to Launch the Hyperledger Fabric Network to run the WYFA (Writing Your First Application) tutorial. 1. Run the startFabric.sh script to spin up a blockchain network, cre...
2020-02-29, ∼1862🔥, 0💬

papercontract.js - PaperNet Chaincode (Smart Contract)
What is the PaperNet Chaincode (Smart Contract), papercontract.js? papercontract.js is the chaincode (or smart contract) for the PaperNet written in Node.js language. 1. View papercontract.js source code: (magnetocorp admin)$ cd ~/hyperledger-binaries/fabric- samples(magnetocorp admin)$ cd commercia...
2019-12-02, ∼1860🔥, 0💬

CTO Language Statements
What are Business Network Model CTO Language Statements? Business Network Model CTO language supports 8 types of statements. namespace - The "namespace" statement declares a namespace as the prefix for all data types defined in this CTO file. The "namespace" statement has the same syntax as the "nam...
2021-08-04, ∼1859🔥, 1💬

Uninstall Chaincode on BYFN Peers
How to uninstall chaincodes on BYFN Peers? Unfortunately, the BYFN CLI "peer chaincode" command does offer any option to uninstall chaincodes from a given peer. You have two options when your chaincodes from different peers are out of sync or incompatible: 1. Destroy chaincode instance and re-instal...
2020-09-15, ∼1859🔥, 0💬

Peer Node Log File Location
Where are Peer Node Log Files located? Log files of the Hyperledger Composer peer node in the Docker container that runs the peer node. You can use these commands find peer node log files: 1. Find the container id of the peer node: $ docker ps | grep peer 6bc4e52f82d0 hyperledger/fabric-peer:x86_64 -...
2020-12-02, ∼1858🔥, 0💬

Switch Default Peer with Scripts
How to Switch Default Peer on the CLI container with Scripts? I am tired of typing those 4 CORE_PEER_* export commands. From previous tutorial, we know that we need to type in export commands to set 4 CORE_PEER_* environment variables. But you can also put them into shell scripts and run them whenev...
2020-05-29, ∼1851🔥, 0💬

Deploy Business Network Archive (BNA) to Playground
How to deploy a Business Network Archive (BNA) file to Hyperledger Composer Playground? If you have an existing Business Network Archive (BNA) file that contains a Hyperledger Composer Business Network application, you can follow this tutorial to deploy it to the Hyperledger Composer Playground. 1. ...
2020-12-15, ∼1850🔥, 0💬

"docker container start/stop" - Start/Stop Container
How to start a stopped container on the Docker Engine with "docker container start/stop" command? In order to use the "docker container start" or "docker start" command, we need to know the container ID or name. 1. Get the ID or name of a stopped container from the output of the "docker container li...
2019-06-04, ∼1848🔥, 0💬

Steps of Setting Up Orderer Peer
What are major steps to Set Up an Orderer Peer on a Hyperledger Fabric network? Here are major steps to Set Up an Orderer Peer (also called Orderer Node) on a Hyperledger Fabric network. Pulling the Hyperledger Fabric orderer images from docker hub. Creating the organization your ordering node belon...
2019-09-04, ∼1847🔥, 0💬

ERROR(NCX-001) - NCX identifier Not Match
How to fix the "ERROR(NCX-001) - NCX identifier ... does not match OPF identifier ..." 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-NCX-ID-Not-Match-2.0.epu bValidating using EPUB version 2.0.1 rules. ...
2022-11-04, ∼1846🔥, 0💬

Hyperledger Composer Components
What components are included in Hyperledger Composer? Here are major components included in Hyperledger Composer: Composer Runtime - Runs on top of the Hyperledger Fabric framework to run ledger applications called business networks. Composer Playground - Runs in a Web browser providing a Hyperledge...
2021-12-28, ∼1843🔥, 0💬

evaluate-transaction.js - Evaluate Chaincode Transaction
How to write a Node.js script to evaluate a transaction defined in the Invoke method of a chaincode? Here is sample Node.js script, evaluate-transaction.js, that uses a given user identity from the local wallet to evaluate a transaction on chaincode. /* Copyright (c) FYIcenter.com */ 'use strict'; c...
2019-04-22, ∼1840🔥, 0💬

Setup Node.js for WYFA Tests
How to Setup Node.js for WYFA (Write Your First Application) Tests? Before performing any Node.js SDK tests on the WYFA network, you need to setup the Node.js on your local host. 1. Make sure Node.js is installed: $ node --version v8.10.0 2. Install required packages: $ cd hyperledger-binaries/fabri...
2020-02-07, ∼1839🔥, 0💬

Fabric Network without CA Server
Can I run a Hyperledger Fabric Network without Fabric CA Server? Yes, you can run a Hyperledger Fabric Network without Fabric CA Server. In that case, you have to manage PKI certificate services manually For example, you need to do the following manually to add a new user to access your ledger peer:...
2019-10-18, ∼1839🔥, 0💬

HTML 'blockquote' Tag/Element
What Is an XHTML "blockquote" Tag/Element? A blockquote element is a block level element that can be used directly as a sub-element in the body element. You can use blockquote elements to specify a block of paragraphs to be displayed in a quotation format. Here are basic rules about blockquote eleme...
2023-08-03, ∼1837🔥, 0💬

"python" - Python Docker Image
What is the Python Docker Image, "python"? I wan to use it build a Python application. The Python Docker Image, "python", is the official Docker image that provides you a Python development environment. You pull and try it. 1. Search for the "python" image. fyicenter$ docker search python NAME DESCR...
2019-02-04, ∼1835🔥, 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, ∼1830🔥, 0💬

Auto-Start of Required Chaincode Container
Why a chaincode container is automatically started? A chaincode container will be automatically started, if a chaincode is invoked and the chaincode container's peer is a required peer for the chaincode. Let's continue with the previous tutorial to see this behavior. 6. Stop the chaincode container ...
2020-07-03, ∼1830🔥, 2💬

💬 2020-07-03 chelseaclark: Creative Bioarray provides a rapid, high-throughput slide scanning service for different kinds of application. The whole slide s...

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