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Installation of Docker in Centos8 of container technology 1, Docker introduction Docker Manual: https://docs.docker.com/install/linux/docker-ce/centos/ Docker is an open source / 246339) application container engine, which allows developers to package their applications and dependency packages into ...

course Using shell script one click deployment service under RHEL7(Centos7)Using shell script to deploy service one click under RHEL7(Centos7) (2)Using shell script to deploy service one click under RHEL7(Centos7) (3) Update content: one click deployment of PXE+kickstart unattended installation servic ...

Any software you just need to remember what it does and how it works. You don't need to memorize commands, but you still need to know the basics Keepalived overview How to solve the single point failure of scheduler? Keepalived is implemented as a highly available cluster Keepalived was originally d ...

WEB Management Tool WebVirtMgr WebVirtMgr is a libvirt-based Web interface for managing virtual machines.It allows you to create and configure new domains and adjust the resource allocation for domains.The VNC viewer provides a complete graphical console for the guest domain.KVM is currently the only supported hypervisor for virtual machines. ...

Background: Recently, I suddenly came into contact with OpenSSL. I suddenly thought that I had not written anything related to the deployment of Django + uWSGI + Nginx + https project, so I sorted out a piece of data. Catalog 1, OpenSSL installation 2, Generate certificate 3, Nginx configuration 4, Ac ...

1, What is cluster A group of computers interconnected by a high-speed network and managed in a single system model Say a lot of servers come together to provide the same service. In the client, it looks like there is only one server Relatively high benefits in terms of performance, reliability and f ...

Super detailed process of building Haproxy cluster and highly available Haproxy cluster! 1, What is Haproxy? Previous blogs have shown how LVS load balancers work. Today's haproxy is better than LVS. LVS does not support regular expression processing at work, and the implementation of LVS for some l ...

Written in front First, let's talk about my machine configuration, the hot naked machine. There are three configurations as follows 10.20.1.103 4C 8G disk 50G node4 master centos7 10.20.1.104 4C 8G disk 50G node5 node centos7 10.20.1.105 4C 8G disk 50G node6 node centos7 My installation method is ba ...

LVS load balancing - DR mode 1: Definition of DR mode Direct routing Referred to as DR mode, the semi open network structure is adopted, which is similar to the structure type of TUN mode, but each node is not scattered in different places, but is located in the same physical network with the ...

Deploy your own ngrok in 7 minutes Article Background Pre-preparation Install software Article Background Recently, to develop the WeChat Public Number, we need to use the external network ip. However, the free version on the Internet is either slow or changing IP regularly, so we decided to dep ...