Install the Head visualization plugin
First, you need to rely on the node.js and npm environment
1 Install node.js
Official download address: http://nodejs.cn/download/ Download the LTS version (long-term stable version)
Installation can change the installation path, the rest is to choose the next step fool is to install
After successful installation is as follows
command test
node -v View the version of node
Npm -v View the version of npm (the new version of node installation comes with npm installed)
2 Configure environment variables
Configure the globally installed module path and cache path (not necessarily the installation path)
In the nodejs folder, create node_global
In the nodejs folder, create node_cache
Open cmd to execute the command to configure the path
npm config set prefix “D:\Tools\Node\node_cache”
npm config set cache “D:\Tools\Node\node_global”
Added system environment variables
NODE_PATH
D:\Tools\Node\node_global
Edit the user variable Path and click Add to store the node_global path
D:\Tools\Node\node_global
Install the most commonly used express modules globally for testing Execute commands
To execute the command, you need to right-click and choose to run as an administrator!
npm install express -g # -g means global installation
3 Globally configure Taobao image (cpnm)
Excuting an order
npm install -g cnpm --registry=https://registry.npm.taobao.org
An error occurred
fix bug
1 Delete the .npmrc file under C:\Users\user\
2 Enter npm cache clean --force on the command line
After successful execution, npm WARN using --force I sure hope you know what you are doing will appear
Then re-enter the Taobao image
Finally execute cnpm -v to get the information
4Download the Headn client
Head download address: https://github.com/mobz/elasticsearch-head/
Download to local and decompress
Install the instructions on github step by step
Open cmd in the project Tip: Enter cmd in the project directory and press Enter to open the local cmd
5 Execute the command to download dependencies
cnpm install
There will be some outdated errors below, don't worry
Check the modules directory, all dependencies have been downloaded
6 Startup Items
npm run start
7 Discover cross-domain
Visit http://localhost:9100 and find that the access is not available, it is cross-domain
Cross-ip, port, and website are all cross-domain performances
8 Solve cross-domain
To solve cross-domain problems, open the yml configuration file
#配置跨域 开启跨域
http.cors.enabled: true
#全部人都可以访问
http.cors.allow-origin: "*"
9 Re-service, client connection service
Then restart the es service
It is found that the bat black window flickers and then closes
Modify the config/elasticsearch.yml file and add the following content:
xpack.ml.enabled: false
Start successfully
Visit http://localhost:9200/
client connected to server
10 Understand the basic properties of the head client
Index location, all information exists here
add an index
create success message
created index
At the beginning stage, understand es as a database, and you can build indexes (databases), documents (data in the library)
view overview
view data browse
Query JSON, you can write it here, but it is not recommended, all the queries we will do later will be done in KIbana
