git usage record

In short, it's not very appropriate to talk about several git partitions Workspace: all the files you currently see are actually workspaces Staging area: after running git add, the changes to the working area will arrive at the staging area Version area: after running git commit, changes to the staging area will arrive at the version area Re ...

Posted by j4ymf on Wed, 24 Jun 2020 05:38:18 +0200

k8s uses Nodeport to expose services

k8s uses Nodeport to expose services There are many ways to expose K8s services. Here we mainly study how to expose services through Nodeport First of all, we must understand several concepts before exposing ports: *< 1 >. Server: it is a cluster instance entry composed of accessing backend pod replicas. It consists of: ` [cluster_ip] ` ...

Posted by mrpickleman on Wed, 24 Jun 2020 04:03:57 +0200

Install MySQL on Ubuntu 20.04

How to install MySQL on Ubuntu 20.04 MySQL is the most popular open source relational database management system. It's fast, easy to use, easy to expand, and part of the popular LAMP and LEMP. This guide explains how to install and protect MySQL on Ubuntu 20.04. prerequisite Make sure you are logged in as sudo user Install MySQL on Ubuntu At th ...

Posted by dorgon on Tue, 16 Jun 2020 08:57:06 +0200

Docker Learning Diary

Introduction:Docker is an open source application container engine based on the Go language and compliant with the Apache 2.0 protocol.Docker s can allow developers to package their applications and dependencies into a lightweight, portable container that can then be published to any popular Linux machine, or they can be virtualized.Containers ...

Posted by fabrice on Sat, 13 Jun 2020 19:22:01 +0200

Centos7 implementation of MySQL database backup and recovery

brief introduction MySQL database backup can be divided into logical backup and physical backup. The logical backup tools are mysqldump and the physical backup tools are xtrabackup. The two backup methods have their own advantages and disadvantages Backup tools mysqldump xtrabackup advantage Support hot backup and incremental backup, requ ...

Posted by Gath on Fri, 12 Jun 2020 11:30:10 +0200

vnc,vnc remote control tutorial, vnc server installation tutorial diagram.

VNC introduction VNC is a remote control tool software. VNC is a free open source software based on UNIX and Linux operating system. It has powerful remote control ability, high efficiency and practicality. iis7 server management tool is a free VNC connection software. It supports batch opening and installation of VNC servers. It can connect m ...

Posted by ashly on Tue, 02 Jun 2020 16:50:15 +0200

How springboot integrates Prometheus how to expose Histogram to obtain monitoring indicators such as P99

background How springboot integrates Prometheus is not described in detail here. For an understanding of the integration process, refer to the blog: Spring Boot uses Micrometer integrated Prometheus to monitor Java application performance, Let me tell you a little bit about how long p99, p90 and other metrics we need to get for some monitoring ...

Posted by weedo on Sat, 23 May 2020 21:43:57 +0200

docker installation and use under CentOS 7

docker start stop sudo systemctl start docker.service sudo systemctl stop docker.service sudo systemctl restart docker.service sudo systemctl status docker.service sudo systemctl enable docker sudo docker ps -a ## <-- List existing images ## sudo docker stop 17dd4ab4cda2 ##<-- 17dd4ab4cda2 by container id ## sudo docker rm 17dd4ab4cda ...

Posted by Scorptique on Thu, 21 May 2020 16:38:11 +0200

Self made certificate of Android HTTPS realizes bidirectional authentication (OkHttp + Retrofit + Rxjava)

Due to a high security project to be done recently, it needs to use HTTPS for two-way authentication. When designing the project architecture, the client uses MVVM architecture, and realizes Android based on DataBinding + Retrofit + Rxjava. Looking up a lot of data, there are many examples of implementing two-way authentication based on native ...

Posted by okyejr on Thu, 21 May 2020 06:36:59 +0200

Install redis Sentry Cluster offline on three servers, one master, two slaves

The gcc environment is installed on the system (otherwise, compiling redis will cause errors).Still don't know how to install the gcc environment offline viewable Install gcc environment offline under CentOS with detailed graphics download Click on the official address to download redis for Linux http://download.redis.io/releases/redis-5.0.4.ta ...

Posted by TGixer on Tue, 07 Apr 2020 06:08:36 +0200