Linux LVM logical volume management
Introduction to LVM
LVM: Logical Volume Manager, Chinese name for logical volume management, is a convenient disk partition management mechanism. The difference from general disk partition management is that LVM can easily resize each partition without downtime. At the same time, you can also integrate multiple small physical disks into a larg ...
Posted by cdinca on Tue, 08 Mar 2022 04:13:31 +0100
MinIO introduces deployment and springboot integration
Enter the new project team and use minio tools in file storage. Therefore, find relevant materials online and learn minio related knowledge, features, application scenarios, storage architecture and basic concepts in combination with the use of minio in the project. On this basis, actually deploy and build minio services locally and integra ...
Posted by abakash on Sat, 05 Mar 2022 10:56:44 +0100
Link state routing -- ospf and experiment
Six LSA S of ospf
Class I LSA, router LSA
It is sent by each ospf router and flooded in its area. It is used to describe the status and cost value of all ospf direct interfaces of the router View command: dis ospf lsdb router 1.1.1.1
Class II LSA, network LSA
It is generated by DR and flooded in its area. It is used to describe the rids ...
Posted by Innovative_Andy on Sat, 05 Mar 2022 02:12:50 +0100
Firewall firewall policy details
Firewall firewall policy details
1, Firewall
firewalld Firewall is Centos7 The default firewall management tool of the system replaces the previous one iptables In the firewall layer, packet filtering also belongs to the network.
firewalld and iptables are tools used to manage firewalls (in user mode) to define various rules and functions o ...
Posted by bgbs on Fri, 04 Mar 2022 22:43:49 +0100
Fast offline deployment of K8s and KubeSphere with KubeKey
Authors: Yin min, KubeSphere Ambassador, head of Hangzhou station of KubeSphere community user committee
1, KubeKey introduction
KubeKey (hereinafter referred to as KK) is an open source lightweight tool for deploying Kubernetes clusters. It provides a flexible, fast and convenient way to install only Kubernetes/K3s, or both Kubernetes/K3 ...
Posted by TheSeeker on Fri, 04 Mar 2022 20:25:14 +0100
MetalLB is used as LoadBalancer in Kubernetes cluster
TL;DRThe knowledge of network is many and miscellaneous, and many of them are part of the system kernel. Originally, I didn't do network, and my knowledge of system kernel is also weak. But it is precisely these strange contents full of temptation, coupled with the current work is more related to the network, seize the opportunity to learn.This ...
Posted by hismightiness on Fri, 04 Mar 2022 07:06:49 +0100
Local application and source configuration
catalogue
1, APT introduction
2, Supply mode of APT source
3, Local APT source
1. Use the DEB package of the CD as the APT source
2. The file source list is used as the system installation source
3. View profile
4. Update repository index
4, Network APT source
1. Backup profile
2. Write configuration file
1) Aliyuan (ubuntu 16.04)
2 ...
Posted by justravis on Fri, 04 Mar 2022 02:05:01 +0100
Using Cloud DB to build APP quick start - Web
summary
The data of the Web application will be stored on the cloud side, and the data will not be cached locally. During data management, you will directly operate cloud side data. The Web SDK will guarantee the communication and communication security between your application and cloud database.
This sample application demonstrates how to ...
Posted by Yueee on Mon, 28 Feb 2022 03:29:50 +0100
Jenkins microservice continuous integration Xi (Spring Cloud microservice II)
1, Jenkins+Docker+SpringCloud continuous integration process description
General process description:
Developers submit their code to the Gitlab code warehouse every day.Jenkins pulls the project source code from Gitlab, compiles it and makes it into a jar package, then builds it into a Docker image, and uploads the image to the privat ...
Posted by kristofferlc on Fri, 25 Feb 2022 07:10:21 +0100
Alibaba cloud OSS upload and intelligent image recognition garbage recognition
Alibaba cloud OSS object storage upload pictures and intelligent image recognition garbage recognition
I believe that the majority of novice programmers, like me, want to write an intelligent image recognition, but they can't find it in Baidu or don't know what it means when they check. Next, I will contribute my own process and code of writin ...
Posted by varzosu on Wed, 23 Feb 2022 13:55:49 +0100