Tag：The server
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How to install docker
1. connect to the remote server Use the following command to connect to the remote server SSH [email protected] server ip/ domain name 2. install docker (1) Install required packages yum install -y yum-utils device-mapper-persistent-data lvm2 (2) Set the yum domestic image source (select one) //Official source address (relatively slow) $ sudo yum-config-manager –add-repo https://download.docker.com/linux/centos/docker-ce.repo //Alicloud […]
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Why does OAuth need refresh token in addition to access token?
What is the purpose of a “Refresh Token”? Question: I have a program that integrates with the YouTube live streaming API. I use the refresh token every 50 minutes to obtain a new access token. My question is, why does OAuth design dual tokens? When I authenticate with youtube, it gives me a refresh token. […]
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Ali end: talk about the service registry of micro service architecture
Service registry In the architecture of microservices, service registry is a core concept. As mentioned in the previous section, a service registry is an indispensable part of service discovery. Generally speaking, a service registry is a network address and database that stores network instances. A service registry should be highly available and its data is […]
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Talking about the evolution of technical architecture (microservices, load balancing, asynchronous, message queuing, data storage, high concurrency processing, caching mechanism)
1. Not all eggs can be put in one basket — evolution from single application to microservice application Imagine that there is an owner in your upstairs who is decorating, and the improper construction has led to the leakage of a bedroom in your home. What do you do at this time? Normal people call […]
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Which operator is recommended by the U.S. server?
It is recommended that raksmart computer room in California provide services such as renting servers and VPS hosts in the United States. It has more than 10 years of experience in computer room management and has relatively perfect technical solutions.Raksmart is directly connected to the he line, and is a partner with Chinatelecom and China […]
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How to design the token between the mobile end and the server end?
Author: be a front end Link:https://www.jianshu.com/p/e07f51c5c8bd There seems to be no detailed explanation on the use of tokens between mobile client and server data transmission on the Internet, which is basically a one-off description. For simply adding a fixed parameter token, it is easy to capture packets. introduce The token is an encrypted string returned […]
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Implementation of MySQL dual master synchronization
#Implementation of MySQL dual master synchronization ##Environment description “Centos7.3 version“ “192.190.10.153 installing keepalived and MySQL“ “192.190.10.154 installing keepalived and MySQL“ ##Environment deployment ### 1. deploy “—————192.190.10.153 server operation record—————“ “`linux At my Add the following content to the [mysqld] configuration area of CNF file: [[email protected] ~]# vim /opt/Spinfo/mysql/my.cnf server-id = 1 / / the MySQL […]
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What is socket programming in Python?
Summary:This article covers all areas of socket programming using python. Sockets can help you establish these connections, and python can undoubtedly simplify them. This article is shared from Huawei cloud community《Learn Python from scratch | what is socket programming in Python and how to master it?》, original author: Yuchuan. It is undeniable that the Internet […]
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Resolve the “warningthe remote ssh server rejected X11 forwarding request.” warning
When connecting to the server using xshell, a “warning! The remote ssh server rejected X11 forwarding request.” appears, The remote ssh server rejected the X11 forwarding request At this time, you are connected to the server. You can perform normal command operations on the server. However, there are still some people who want to eliminate […]
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Batch processing can automatically detect and attempt to repair, and automatically connect, disconnect and detect VPN
cause: the databases of several servers of the company have been backed up in different places. Because the backup server is not open to the public network, it can only be accessed through VPN connection,At first, automatic backup was realized through “planned task + maintenance plan + script for automatically disconnecting VPN”. The overall situation […]
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Which solution do you prefer for distributed session?
I found a shopping mall. Before I log in, I can add items to the shopping cart. After adding several items, I am ready to pay. I need to log in first and pay after logging in. At present, many shopping malls require users to log in first, and then add goods to the shopping […]
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Introduce you to the key algorithm of large model training: distributed training allreduce algorithm
Summary:Now the model and its parameters are becoming more and more complex. Only oneortwo cards can not meet the requirements of today’s training scale. Distributed training came into being. This article is shared from Huawei cloud community《Distributed training allreduce algorithm》I must win the lottery. Now the model and its parameters are becoming more and more […]