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Every time you need to compile your code, running npm run build manually becomes cumbersome. Use webpack-dev-server It can help you to compile code automatically when the code changes. It provides a simple web server and can be reloaded in real time. I. installation npm install --save-dev webpack-dev- ...

ACL Access Control List Structure Diagram Objective of this chapter Learn TCP and UDP protocolsOverview of access control list, how access control list worksType of access control list.Configuration of standard access control class tableCreate ACLApply ACLy to interfaceConfiguration instance of standard ACL I. access control list (ACL) 2. ...

case multi-branch statement The structure of case statement: Execute different command lines for different values of variables case variable value in Mode 1) Command Sequence 1 ;; Mode 2) Command Sequence 2 ;; ..... *) Default command sequence esac Example: Character type recognition: Prompt the user to enter a character ...

Prometheus Configuration Acquisition Target 1. Scraping periodically at http/s (scrape/pull) according to the configuration task (job)2. The metric on the target. Target3. It can be specified statically or automatically. Prometheus saves scrape metric s on local or remote storage. Define the acquisition target using scrape_configsConfigure a ...

Links to the original text: https://blog.51cto.com/executer/2106151 Catalog Tool description Parameter interpretation Blasting subdomain name Custom dictionary exploding subdomain name Inverse the IP segment of the specified range Inversel ...

Network protocol OSI Seven-Layer Model and TCP/IP Four-Layer Model TCP Protocol and UDP Protocol TCP protocol: Transport control protocol. It is a connection-oriented protocol, which must establish a reliable connection with the other party before sending data. UDP protocol: User datagram protoco ...

By default, refer to: https://docs.microsoft.com/en-us/virtualization/windowscontainers/kubernetes/creating-a-linux-master Based on the above method, kubespray is used for optimization. 1. First, modify the following files: inventory/your_name/group_vars/k8s-cluster/k8s-cluster.yml Modification: ...

Di DNS (Domain Name System) Query Tool $ dig www.baidu.com ; <<>> DiG 9.9.4-RedHat-9.9.4-74.el7_6.2 <<>> www.baidu.com ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 53570 ;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: ...

DNS Domain name resolution refers to the domain name to the IP of the website space, so that people can easily access the website through the registered domain name. IP address is the digital address that identifies the site on the network. In order to facilitate memory, domain name is used instead of IP address to identify the site address. D ...

1. introduction The API Server of k8s provides a RESTful-style gateway interface that allows users to initiate requests to the k8s cluster. Such operations as creating a Pod or destroying a PodUsers can communicate with API Server through programming language following API Server's Gateway Interface Specification. They can also communicate wit ...