Programmer Group

Super simple centos7 configuration Hadoop 2.7.7 + flume 1.8.0 Introduction of flume: https://blog.csdn.net/qq_40343117/article/details/100119574 1 - Download the installation package Download address: http://www.apache.org/dist/flume/ Choose the ...

Record the next direct C, V use Pre-examination [root@web-95-61 /]# cat /etc/redhat-release CentOS Linux release 7.6.1810 (Core) [root@web-95-61 /]# un ...

10. Kubernetes Practice Papers 10.1) Three ways to install Kubernetes (officially available) 10.1.1)minikubeMinikube is a tool that allows you to quickly run a single Kubernetes locally and try it out with Kubernetes or users of everyday development.It cannot be used in a production environment. Official documents: https://kubernetes.io/docs/ ...

For some tables that often do archiver or purge operations, if we reclaim table space irregularly, the volume of tables will increase. However, the vacuum full in pg will block the read and write operations in the process of recovery, and can not run directly in the production environment. Therefore, in the production environment, the commonl ...

Introduction to RAID RAID is called Redundant Array of Independent Disks. The basic idea of RAID is to combine multiple disks into one disk array group, which greatly improves the performance. Initially, it was designed to combine small, inexpensive disks to replace large, expensive disks. At the same time, it was hoped that the disks would fa ...

A basic concept helm is similar to package manager under Linux system, such as yum/apt, which can deploy yaml files packaged before into kubernetes quickly and conveniently for management and maintenance. helm: A command-line client tool for creating/packaging/publishing kubernetes application charts that have been created and managed and rem ...

Nginx is specially developed for performance optimization. Its greatest advantage is its stability and low system resource consumption, as well as its high processing capacity for concurrent http connections. A single physical server can support 20,000-50,000 concurrent requests. This is why it provides a large number of services such as socia ...

Uninstall older versions of docker Older versions of docker are called docker or docker-engine.If these are installed, uninstall them and their associated dependencies. sudo yum remove docker \ docker-client \ docker-client-latest \ docker-common \ docker-latest \ ...

Note: This tutorial may have a lot of detours, but it is sure that the installation was successful. One problem is that the initial installation of the compiled instructions seems to be wrong, but it was corrected later, but this tutorial has encountered more than 10 problems and solved them, which has some reference and (django) It starts with ...

To be perfected... Articles Catalogue Experimental environment pacemaker+corosync for high availability Deployment of server1 and server4 host mfs master Serr1 and server4 configure highly available yum sources Install pacemaker+corosync on server ...