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The difference between ribbon and nginx

Ribbon is client load balancing, and nginx is server load balancing. Client load balancing, all client nodes maintain a list of servers they want to access. The server-side load balancing software module maintains a list of available services.

Jun 04, 2019 pm 05:22 PM

nginx

What is nginx reverse proxy

Reverse proxy: It is used to proxy the server and proxy the target server we want to access. Nginx provides flexible functions on the reverse proxy. It can adopt different forwarding strategies according to different rules. After setting up, different requests can go to different servers.

Jun 04, 2019 am 11:14 AM

nginx

redis cluster principle

All redis nodes are interconnected with each other (PING-PONG mechanism), and a binary protocol is used internally to optimize transmission speed and bandwidth. The fail of a node takes effect only when more than half of the nodes in the cluster detect failures. The client is directly connected to the redis node, without the need for an intermediate proxy layer. The client does not need to connect to all nodes in the cluster.

Jun 03, 2019 pm 04:52 PM

redis

How to install Java through the official website

Java installation steps: 1. Download through the official website address; 2. Install the JDK and run the exe executable program directly. It can be installed by default. Note: You can choose other drive letters for the path. It is not recommended that the path contains Chinese names and special symbols. 3. Configure environment variables; 4. Test jdk.

Jun 01, 2019 am 09:33 AM

java安装

How does jsp work?

The working principle of jsp is: when the container gets the JSP, it will convert it into a servlet class source file (.java), and then compile the source file into the java servlet class. In other words, JSP is essentially a servlet.

May 31, 2019 pm 03:24 PM

jsp工作原理

How to be proficient in java

To be proficient in Java, you need to master computer basics, Java programming design patterns, Java web technology, concurrency technology, foundation and tuning, basic Linux commands, database and search engine data algorithms and other related knowledge.

May 30, 2019 am 09:48 AM

精通java

What are the four major scopes of jsp

There are four major scopes in JSP, which are application, session, request, and page. The so-called "scope" is the "scope of information sharing", that is to say, the scope within which a piece of information can be effective.

May 29, 2019 pm 05:00 PM

JSP

Is redhat a linux system?

RedHat is a Linux version system released by RedHat Company, which has high efficiency, scalability and reliability. Red Hat Enterprise Linux is primarily kernel-based virtualization, with the KVM hypervisor fully integrated into the kernel, so all RHEL system improvements benefit virtualized environments.

May 28, 2019 pm 05:19 PM

redhat

what is java web container

A servlet does not have a main method, so how we start a servlet, how to end a servlet, how to find a servlet, etc. are all controlled by another Java application. This application is called a web container. Our most common tomcat is such a container.

May 27, 2019 pm 03:25 PM

java

What tools are used for java web development?

A complete set of tools for Java web development: IntelliJ IDEA integration tool, Navicat database management tool, Google Chrome, postman is a plug-in under Google browser, maven project management tool, tomcat lightweight web server, Nginx server.

May 27, 2019 pm 02:10 PM

java

What do you need to learn about Java ee?

First of all, to learn JSP/servlet, we should combine it with JDBC. Secondly, learn database development technology. You can choose a database according to actual needs and work hard to master its development technology. In the future, you can learn something about EJB. When you have some understanding of Java EE, you can learn various web frameworks such as Spring

May 27, 2019 am 10:00 AM

java

Apache configuration under Windows (Alibaba Cloud ECS as an example)

Download the apache installation package, double-click to start the installation, click Next, the system setting information will appear, fill in your domain name under Network Domain

May 25, 2019 pm 02:59 PM

Apache配置

What knowledge do Linux operation and maintenance engineers need to master?

The knowledge that Linux operation and maintenance engineers need to master includes: 1. Basic knowledge of Linux systems; 2. Linux system management; 3. Commonly used services for Linux enterprises; 4. Linux enterprise-level security principles and prevention techniques; 5. Shell programming; 6. MySQL applications Principle; 7. Enterprise-level load cluster; 8. Cloud computing operation and maintenance automation.

May 24, 2019 am 09:46 AM

linux 运维工程师

What is the use of java framework?

The use of Java frameworks is to speed up the development process. In similar projects, reusing code will save developers a lot of time and energy. The framework provides pre-built modules for performing tedious coding tasks.

May 22, 2019 pm 01:12 PM

java框架