Hyperleger Fabric Development (ii)--hyperleger Fabric PrimerThis article uses the Rhel 7.3 Workstation version of the operating system.I. Hyperleger fabric environment Deployment 1, Go language development environment deployment(1) Go language environment installationGo Locale installation package:https://golang.org/dl/https://golang.google.cn/dl/Extract the down
How to use Fabric to automate your tasks and fabric automation tasks
First, let's look at an example. We know that under * NIX,unameCommand is to view the release of the system.
You can write such a Fabric script:
from fabric.api import rundef host_type(): run('uname -s')
Save the preceding script as fabfile. py.fabThe command executes the host_type script on mul
First, the Fabric SDK
The latest official document for Hyperledger fabric (V1.1.0-preview), the description of the Fabric SDK is still poor, just a few simple descriptions, plus two GitHub links: Fabric-sdk-node Fabric-sdk-java
In fact, through the Hyperledger project on Gi
Serial RapidIO: High-performance embedded interconnect technology
Author: Texas Instrument technology Application Engineer Feng Hualiang/Brighton feng/[email protected]SummaryDesigned for high-performance embedded system chips and inter-board interconnect, the serial RapidIO is the best choice for embedded systems interconnection over the next more than 10 years.This paper compa
What does fabric mean by fabric?
Fabric is a powerful batch remote management and deployment tool in Python. It is often used to execute SSH tasks in batches on multiple remote PCs.
The common usage methods are summarized as follows:
1. First, write the tasks executed in batches to a fabfile. py file,
#-*-Coding: UTF-8-*-from
Guangzhou zhongda fabric wholesale network, formerly known as zhongda fabric network, is the largest online fabric Wholesale Market in Guangzhou and also the official website of Guangzhou zhongda fabric market, if you have a wholesale purchase of fabric fabrics or wholesale
; Authorized_keys3. Getting started: Hello, Fabric$ vim fabfile.py #创建文件, named fabfile.py, defines a hello function in the file $ fab hellohelloworld! Done .Fabric website Getting Started Tutorial link: http://docs.fabfile.org/en/1.10/tutorial.html4. Call the fabric's API for remote loginReference:
Http://docs.fabfile.org/en/1.8/usage/fab.html#per-task-arguments
Http://docs.fabf
Fabric application case and fabric application case
Example 1: file packaging, upload, and validationWe often do some file package distribution work. The implementation step is to compress and package the files first, upload them to the target server in batches, and finally perform Consistency Verification. In this case, put () methods to upload files. By comparing the md5 values of local and remote host fi
The last one said to install the Docker and Docker-compose, now start downloading the source code and joining the channel
Download and install the Curl tool
1, create Fabric Engineering and project directory.
Mkdir-p workCD work Then, execute the following code:
Curl-l https://raw.githubusercontent.com/voodoo12345/polaris/master/fabpre.tar.gz-o fabpre.tar.gz 2>/dev/null; TAR-XVF fabpre.tar.gz
After this command is executed, the related components o
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'
Brother Lian Blockchain technical training Fabric 1.0 Source Code Analysis (48) Fabric 1.0.4 Go Code volume statistics
# Fabric 1.0 Source Code Note Fabric 1.0.4 go Code volume statistics
# 1, overview
In addition to test, vendor, mocks, example, Protos, go core code file 341, the core line of code 63433 lines.
"' Bas
VPX610 is a high-performance real-time signal processing platform based on 6U VPX architecture, which uses 2 TI Keystone Series multi-core DSP tms320c6678 as main processing unit and 1 pieces of Xilinx Virtex-7 series FPGA The xc7vx690t, as a co-processing unit, has 2 FMC sub-card interfaces, which are interconnected by a high-speed serial bus between each processing node. Board using standard 6U VPX European board design, with excellent anti-vibration design, thermal performance and unique envi
/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
Container interconnect-linking System in DockerDocker has a linking system that can connect multiple containers. It creates a pair of parent-child relationships that can see the selectedThe information for the child container.1) naming System for containersThe linking system executes according to the name of the container. When we create a container, the system randomly assigns a name. Of course weYou can also name the container yourself, which has 2
Tags: style blog http io color using SP on dataOpen Database Interconnect (ODBC) is a kind of early database interface technology introduced by Microsoft, which can access database data through ODBC driver, and can complete the link operation to database by using ODBC Administrator.System DNS: This data source is configured, and all users of the current server can use this data source to link the database. As shown in the following:1. Add driver: SQL
Vswitch F5 interconnect 1. Two Network cables are connected. One inside and one outside the vswitch interconnect port is configured as Access, and F5 switches interfaces to Vlan, the vlan tag does not need to be configured in the same way as the switch interconnect port, but it is recommended to be configured in the same way, so it is easy to differentiate. In th
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
How to interconnect two computers with one virtual machine LINUX-general Linux technology-Linux technology and application information. For more information, see the following. 1. Two Computers
2. A Virtual Machine LINUX
3. Note that you need to start the NIC.
4. root linux
5. cd/etc/sysconfig/network-sprints/go to the location where the file is located.
Ls View
Vi eth0 edit eth0
And then edit it to the desired IP address, gateway, and so on.
Question connection: Ultraviolet A 1390-Interconnect
N indicates that there are n vertices and M indicates that there are m edges. Now, you can set up an edge at either of the two points until the entire graph is connected and you need to set up the expected number of edges, two points of edge creation can still be used.
Solution: the hash method is very clever. It converts the number of nodes in each Unicom component C [I] into a 30-digit number (bec
+mysql service. WordPress and MySQL, deployed on two machines, are connected through a pair of ambassador.WordPress (in Vm1)--link-->ambassador1 (in vm1)----socat--->ambassador2 (in vm2)--link--->mysql (in vm2)启动mysql:sudo docker run -d --name mysql mysql启动ambassador1:sudo docker run -d --link mysql:mysql --name ambassador1 -p 3306:3306 ambassador 启动ambassador2:sudo docker run -d --name ambassador2 --expose 3306 -e MYSQL_PORT_3306_TCP=tcp://x.x.x.x:3306 ambassador 启动wordpress:sudo docker run -
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