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Introduction tutorial and deployment of docker 1. Docker introduction: 01) Docker is an open source application container engine based on Go language And comply with Apache 2 0 protocol is open source. 02) Docker allows developers to package their applications and dependency packages into a lightweight and portable container, and then ...

Introduction to single sign on system Background analysis In the traditional login system, each site implements its own special login module. The login status of each site does not recognize each other, and each site needs to log in manually one by one. For example: Such a system is also called multipoint login system. The application is r ...

WeChat official account: operation and development story, author: wanger prerequisite Cephadm uses containers and systemd to install and manage Ceph clusters and is tightly integrated with CLI and dashboard GUI. cephadm only supports Octopus V15 2.0 and later. cephadm is fully integrated with the new business process API and fully suppor ...

1, Experimental environment 1. Node rule IP addressHost nameNode description192.168.18.8masterdbDatabase master node192.168.18.18nginxnginx server node192.168.18.88slavedbDatabase slave node192.168.18.188phpPHP environment node 2. Node service installation (1) Deploy and configure the distributed master-slave database server. See: CentOS8 d ...

What is DNS The information transmission of computers in local area network is based on IP address to identify identity, and it is also completed through IP address in the Internet. DNS just came into being. In order to reduce the threshold for users to access the network. This is a technology used to manage and resolve the correspondence betw ...

process Basic concepts Process is a dynamic process of a program, and it is also the smallest unit of program execution and resource management allocation. Process lifecycle Create - > schedule - > execute - > die Process status: ready, running, blocked, etc. Three elements of process 1. Program (instruction and data) 2. Virtual m ...

0 background The previous blog gave an overview of system calls. Interested partners can check it out: One of Linux system calls -- overview and introduction , here is the main introduction to the system call mechanism. Whether it is GUI (user graphical interface), application program, or command line interface, it needs to be implemented by ...

Run the command under linux according to the command called by windows in the previous article Libpython3.0 in lib under linux 6m. a. Also include python H in Python 3 6m directory, so you need to modify the command and main CPP #include "Python 3.6m / Python.h" g++ -I "/root/Anaconda3/envs/tensorflow/include" -L "/root/Anaconda3/en ...

Welcome to the official account, develop the big data from the sinkhole Specialty:   Three swordsmen of text processing: awk, grep, sed ​awk: AWK is a language for processing text files and a powerful text analysis tool. Parameters:         grep: The Linux grep command is used to find qualified strings in ...

preface Environment: CentOS 7 0 zabbix-server5. four point three In this chapter, we will first look at how to create monitoring items and graphics, and then create custom monitoring items according to the requirements of the host. Create monitor item After selecting a host, select Create monitoring item, as shown below: Then select a key v ...