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1. Installing the operating system Download the latest system: CentOS 7.7 centos-7-x86_-dvd-1908.iso 2. Set up network, adopt NAT, virtual machine fixed IP ​ vi /etc/sysconfig/network-scripts/ifcfg-ens33 TYPE=Ethernet PROXY_METHOD=none BROWSER_ONLY=no BOOTPROTO=static DEFROUTE=yes IPV4_FAILURE_FATAL ...

1, Ansible installation Environmental preparation Management end: CentOS 7-2 192.168.18.147Managed end 1: CentOS 7-3 192.168.18.128Managed end 2: CentOS 7-4 192.168.18.148 Management side: [root@localhost ~]# systemctl stop firewalld.service [root@localhost ~]# setenforce 0 [root@localhost ~]# yum install epel-release -y [root@localhost ~]# ...

Introduction to MHA architecture MHA is the abbreviation of Master High Availability. It is a relatively mature solution for MySQL high availability at present. Its core is a set of scripts written in perl language. It is an excellent set of high availability software for failover and master-slave promotion in MySQL high availability environme ...

Without local access to the server, is there any way to copy / clone MySQL database (including content and excluding content) to another database without using mysqldump? I am currently using MySQL 4.0. #1 building If you're using Linux, you can use the following bash script: (it may need some other code cleansing capabilities, but it ...

No.4-Heist-easy-HTB-walkthrough Attacker: Official Kali linux 2019 64 bit By Ikonw Introduction of drone aircraft 1, Port scan nmap -sV -sC heist.htb Nmap scan report for heist.htb (10.10.10.149) Host is up (0.25s latency). Not shown: 997 filtered ports PORT STATE SERVICE VERSION 80/tcp ...

Article directory 1,find 2. locate command 3. Where is command 4. which command 5. type command 1,find Find is the most commonly used and powerful find command, which can find any type of file. The general format of the find command is: find < specify Directory > < specify condition > ...

1. playbook cycle #vi/etc/ansible/while.yml //Add the following --- - hosts: yw02   user: root   tasks:     - name: change mode for files       file: path=/tmp/{{ item }} mode=600       with_items:         - 1.txt         - 2.txt         - 3.txt Description: A file module is used here, followed by a path, if it is a file, you can write/tmp/1. ...

1. k8s Authentication We know that apiserver has the following authentication methods: X509 Client Certs Static Token File Bootstrap Tokens Static Password File Service Account Tokens OpenID Connect Tokens Webhook Token Authentication Authenticating Proxy Typically, we use a binary self-built k8s cluster, or a kubeadm-created cluster, the ad ...

Environmental Science: CentOS 7，OpenSSH_7.4p1 Summary description: This article mainly describes how to configure SFTP service, how to set up multi-user and user directory permission control, how to control ssh connection; Steps: 1. Configure ssh and Sftp (default Sftp server) at the same time The general root user uses ...

Copyright notice: This is the original article of the blogger. It can't be reproduced without the permission of the blogger. https://blog.csdn.net/u010950854/article/details/62233538 Implementation of non interactive sftp upload and download with Python Install Paramiko Python's Library Paramiko implements the ssh and s ...