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MySQL Installation Collection Install MySQL on Linux Install using yum mode The yum installation method is taken from the novice bird tutorial. http://www.runoob.com/mysql/mysql-install.html) RPM packages are recommended for installing Mysql on Linux platforms, and MySQL AB provides download addresses for the follow ...

Association A coroutine is also called a microthread. A coroutine is a user-mode lightweight thread. The coroutine has its own registers and stacks. When the co-process scheduling switch, the register context and stack are saved elsewhere. When the switch comes back, it restores to the previously saved register context and stack. Therefore, th ...

MySQL Compilation and Installation and Construction of Multiple MySQL Instances on Single Host In some special cases, multiple MySQL instances need to be built on a single server to meet the requirements. For example, on the basis of creating the MySQL instances required for normal production in the production envi ...

Last time, when the device sends data, we need to see what the data sent by the device is on the management page, so now we can complete the device data monitoring module. iot-device-data Create iot-device-data module, because this module is also a subscription board service, so it also consumes Mapping data in kakfa and introduces the correspo ...

Background environment [root@node1 log]# cat /etc/redhat-release CentOS Linux release 7.3.1611 (Core) mysql's official download address II. Installation steps 1. Add mysql group and mysql user to set up the owner and group of mysql installation directory file. #Users and user groups are automatically created here. [root@node1 op ...

Catalog abstract Section 1: Differences and Relations between px4 and apm Section 2: The role of px4 and apm in each folder Section 3: Start-up process of px4 and apm UAV abstract This section mainly records the comparison documents between the code architecture of px4 and Ardupilot, welcome criticism and corre ...

Configuring Haproxy to Prevent DDOS Attacks As a load balancer, Happroxy often serves as the front-end of the server, providing service entrance to external users. If security-related issues can be handled at the entrance, it will greatly simplify the design of the back-end. In fact, Haproxy is not only an excellent open source load balancer ( ...

In a simple sentence: RTSP initiation/termination control streaming media, RTP transmission streaming media data, RTCP control and synchronization of RTP data. Typically, the RTSP protocol uses TCP protocol to transmit instructions to control streaming media, and the RTP/RTCP protocol uses UDP mode to transmit instructions.But ...

Introduction to TCP/IP (Extracted from Baidu Encyclopedia) 1. TCP/IP Protocol The abbreviation of Transmission Control Protocol/Internet Protocol, translated into Chinese as transmission control protocol/Internet interconnection protocol, also known as network communication protocol, is the most basic protoc ...

In the previous blog, we simply sorted out the process of JAVA creating server and client connecting server. Today, we continue to learn to realize the communication between client and server. Since the basic concepts have been clarified in the previous blog post, we will not repeat them here. (For those who are not clear, read ...