Programmer Think

The initial configuration goals to be achieved in this paper are as follows: ansible configures ssh secret login; ansible remote configuration host name; ansible controls remote hosts to add DNS resolution records to each other; ansible configures the yum mirror source on the remote host and installs some software; ansible configures time sy ...

1, Ansible automatic deployment K8S cluster 1.1 introduction to ansible Ansible is an it automation tool. It can configure systems, deploy software, and coordinate more advanced IT tasks, such as continuous deployment and rolling update. Ansible is suitable for managing enterprise IT infrastructure ...

The process of completing a project is a project document. 1. Project demand analysis 2. Project implementation plan 3. Project implementation stage 4. Project acceptance test 5. Project sorting Report Remote service concept introduction: Remote service can download and transmit data remotely Using ssh ...

Structure of this chapter Layer of Docker image Basic creation method of Dockerfile Dockerfile creating various application containers Layer of Docker image Each instruction in the Dockerfile creates a new image layer The image layer will be cached and reused When the Dockerfile instruction is modified, the copied file changes, or the speci ...

Preface:Servers running the same service are combined to be called clustersCentralized clusters: master, slave,MHA is used to resolve cluster master downtime.MMM Cluster Architecture: There are two master serversOverview of MHA DeNA youshimaton (now a Facebook company) in Japan A set of excellent high-availability software for failover and ma ...

Experiment Description: In automatic deployment, other SSH machines will often operate. However, each password authentication is very annoying, especially for a long password, so SSH password free login is essential; When there are many machines, Ansible is often used to distribute and execute SSH password free login scripts, so that each machi ...

How to install blue whale's CMDB when ssh is not the default 22 port? How to install blue whale's cmdb? q. Prerequisite knowledge: This article is based on "how to install PAAS of blue whale when ssh is not the default 22 port"https://blog.csdn.net/haoding205/article/details/82758099 1. introduction: In the above ...

Introduction to MHA: (1) Introduction At present, MySQL is a relatively mature solution for high availability. It was developed by youshimaton, a Japanese DeNA company (now working for Facebook), and is an excellent set of high availability software for failover and master-slave promotion in MySQL high availability environment.During the MSQL ...

sshd service 1. Introduction to sshd sshd= secure shell A service that can boot the shell in the host through the network Client software < c-f9 >     sshd Connection mode: ssh username@ip ##Links to text patterns ssh -X username@ip ##You can turn on the graphics after the link is successful Note: The first ...

How to use them together effectively Git and Dropbox ？ #1 building I ran into a similar problem and created a small script for it. The idea is to use Dropbox with Git as simply as possible. At present, I have realized it quickly Ruby Code, and I'll add more code soon. The script is available at https://github.com/nuttylabs/box-git. ...