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Some concepts of RabbitMq, persistence, queue exclusive, automatic deletion, message confirmation mechanism, message ACK, consumption message mode.

KNN (K-Nearest Neighbor) nearest neighbor classification algorithm is one of the simplest algorithms in data mining classification (classification) technology.

The difference between Linux container technology and virtualized kvm, container resource consumption is less, lighter weight, higher performance, can only run in the Linux environment.

On the one hand, the current security mechanism can be deployed normally in the SDN environment; on the other hand, it also brings a lot of imagination to the security protection mechanism.

Due to the complexity of cloud environments, enterprise cloud application systems, and core data, choosing a suitable cloud data protection plan becomes particularly important.

The following is a detailed analysis of the realization of the security protection architecture and related key technologies.

Data in public and hybrid cloud environments are facing unprecedented security challenges from the open environment and cloud operation and maintenance service environment.

The DOS in DDOS is the abbreviation of denial of service, which means that the purpose of this attack is to interrupt the service.

With the continuous development and improvement of virtualization technology, cloud computing has been widely recognized and accepted, and many organizations have or plan to build cloud platforms.

The use of NFV and SDN technologies, are the current methods, and other technologies, such as containers, thread pools, etc., may be used in the future to achieve higher performance.

As the load and file size grow, performance tends to decrease. Remember the following 7 key points to keep your MySQL running smoothly.

JBoss AS is named wildfly since version 8. Wildfly is an open source JavaEE-based lightweight application server. It can be used for free in any commercial application.

Under normal circumstances, our programmers will use a third-party Git code hosting platform to manage the code in the work business. Of course, we will set up a public or private mode as needed.

Import and export local database, export: 1. Run cmd first, cd to the bin folder in the mysql installation directory 2. mysqldump -u root -p database name> export file name.sql

SDP provides enterprises with powerful advantages, including regardless of the location, it can ensure the developer’s access needs.

SDN flexible traffic scheduling capabilities and open programmability, combined with NFV network function management and service orchestration, build a complete and open virtualized network platform.

Ubuntu system network configuration file analysis and description, record the research process and some configuration conditions, by the way, learn about the network environment configuration under Linux.

Renaming files and directories is one of the most basic tasks you often need to perform on a Linux system.

Perform a SELECT query on a special name SQLITE_MASTER in the SQLite database to obtain the indexes of all tables.

Perform a SELECT query on a special name SQLITE_MASTER in the SQLite database to obtain the indexes of all tables.