[PG] PostgreSQL high availability solution repmgr deployment (very detailed)

Table of Contents Introduction 1 Overview 1.1 Terminology 1.2 Components 1.2.1 repmgr 1.2.2 repmgrd 1.3 Repmgr users and metadata 2 Installation and deployment 2.0 Deployment environment 2.1 Installation requirements 2.1.1 Operating system 2.1.2 PostgreSQL version 2.1.3 Operating system users 2.1.4 Installation location 2.1.5 Version requirements 2.2 Installation 2.2.1 Software package installation 2.2.2 Source code compilation […]

Sonatype Nexus deployment docker installation nexus3

Nexus is a powerful Maven warehouse manager that greatly simplifies the maintenance of your own internal warehouse and access to external warehouses. 1. Check available Nexus3 versions You can check other versions of nexus3 through Sort by. The default is the latest version sonatype/nexus3:latest. https://hub.docker.com/r/sonatype/nexus3/tags?page=1 &name=3.30.1 Because the version used by the company is nexus3:3.30.1, […]

centos7 installation and configuration openstack deployment (1)

Article directory Preface 1. Architecture introduction 2. Preparation 1. Configure hosts 2. Change the host name and configure hosts mapping 3. Turn off the firewall, core protection, and network management 4. Mount the CD 5. Configure local source files 6. Time server deployment 7. Time client deployment 3. Install auxiliary components (rabbittmq, memcached, mariadb) 1. […]

Zookeeper cluster deployment

Table of Contents (1) Unzip the Zookeeper installation package 1. Go to the browserApache ZooKeeper to download the zookeeper compressed package 2. Upload the zookeeper compressed package to softwares 3. Unzip to package (2) Configure environment variables and distribute 1. Modify configuration file 2. Configure environment variables 3.?wqSave and exit 4.Use scp to copy the […]

[Moore Thread] Magic Pen Ma Liang U disk Ubuntu system deployment

MobiMaliang Deploy on Ubuntu20.04 [Moore Thread] Magic Pen Ma Liang U disk Ubuntu system deployment PDF document and automatic installation script link, Lanzouyun: https://wwft.lanzoul.com/b052nz4rc Password: 95s7 The script needs to change the txt suffix to sh. and add execution permissions. sudo chmod + x ./UbuntuDeploy.sh 0. Preset 0. Please first apply for a developer account […]

k8s’s Init Containers container implements code version upgrade release and deployment version rollback: practical operation version

Initialization containers in Pod: Init Containers Theoretical premise of initContainers implementation: Containers in the same Pod share network, volume and other resources Init Containers In Kubernetes, an init container is a container that is started and executed before other containers in the same Pod. Its purpose is to perform initialization logic for the main application […]

Zookeeper cluster construction and deployment

1.Zookeeper introduction Zookeeper is a distributed coordination component developed by Yahoo based on Chubby’s ideas and later donated to Apache. It is mainly used to solve distributed data consistency problems. Distributed applications can implement functions such as data publishing/subscription, load balancing, naming service, distributed coordination/notification, cluster management, Master election, configuration management, distributed locks and distributed […]

Llama2 quantifies Windows & Linux local deployment through llama.cpp model

Llama2 quantifies Windows & amp;Linux local deployment through llama.cpp model What is LLaMA 1 and 2 LLaMA, it is a set of basic language models with parameters ranging from 7B to 65B. models trained on trillions of tokens and show that state-of-the-art models can be trained exclusively using publicly available datasets without resorting to proprietary […]