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90.1 presentation environment Implementation process: CM and CDH version: 5.13.1The CDSW and CDH cluster operating systems are RedHat: 7.2Nginx server: redhat6 fourLivy version: 0.4Nginx version: 1.8.6 90.2 operation demonstration 1. Install DNS service and configure pan domain name resolution The DNS service is mainly used to resolve the ...

Kubedm builds K8S high availability cluster (I) 1, Cluster planning ① Active and standby servers Four virtual machines are prepared, three of which are K8S high availability cluster + ETCD cluster, and kept + nginx to achieve K8S apiserver high availability. k8s-01 192.168.0.108 master+etcd+keepalived+nginx k8s-02 192.168.0.109 master+etcd+ ...

Docker escape caused by unauthorized access of docker remote API preface It's a lecture for the students in the community md. The server https://cloud.tencent.com/act/campus Of course, if you want to learn this, local is enough. You can install docker in linux virtual machine to reproduce it. Docker Docker is an open source application c ...

This article introduces the creation and basic use cases of threads under Linux, mainly case code; The related functions have been introduced in detail in the previous article. 1. Case code: thread creation The following code demonstrates how to create a thread. You need to add - lpthread when compiling Function prototype: #include <pthr ...

1, Preconditions 1.1 tool preparation 1.1.1 installation and deployment of automated operation and maintenance tools (Ansible) Ansible brief introduction ansible is a new automatic operation and maintenance tool. It is developed based on Python, integrates the advantages of many operation and maintenance tools (puppet, cfengine, chef ...

Source code compilation and installation of web Services LAMP 1, LAMP Architecture Overview 1. Introduction to lamp LAMP is the acronym of Linux operating system + Apache Web server + MySQL database server + PHP (or Perl, Python) web programming language.They are independent programs, but they can be used to build open source software for dyn ...

1, Class notes: su - meaning and home directory meaning? When switching users, the configuration information of the user's home directory will be called / loaded. For example, if a command is configured for the user alone, only the user will recognize the command, and other users cannot. Relative path and absolute path St ...

catalogue 1, Foreword 2, File list of pin control subsystem 2.1 source file list 2.2} and other kernel module interface header files 2.3 Low level pin controller driver interface III. software framework diagram of pin control subsystem 3.1 function and Interface Overview 3.2 interface relationship between pin control subsystem and other ...

introduction OpenSSL is a fully functional software library, which contains open source implementations of transport layer security (TLS) and secure socket layer (SSL) protocols to protect information transmitted through computer networks. CMake is a cross platform build tool, which can describe the compilation process of all platforms with si ...

Experimental environment: server: 192.168.91.155, 192.168.91.158 client: 192.168.91.152 Objective: to synchronize the files in the specified directory () of clinet to the specified directory () on the server side Host operating system environment: centos 1.10 (rsync is installed by default) 1. Train of thought rsync + inotify tools calls rsyn ...