Shulou(Shulou.com)06/01 Report--

This article mainly introduces "the method of installing kubernetes1.12.1 under kubeadm". In the daily operation, I believe that many people have doubts about the method of installing kubernetes1.12.1 under kubeadm. The editor consulted all kinds of materials and sorted out simple and easy-to-use operation methods. I hope it will be helpful to answer the doubts of "how to install kubernetes1.12.1 under kubeadm". Next, please follow the editor to study!

Prepare the environment server

Server condition:

IP system version role Hostname10.20.13.24Centos7 64-bit minimalmasterkuber2410.20.13.25Centos7 64-bit minimalworkKuber2510.20.13.26Centos7 64-bit minimalworkKuber2610.20.13.27Centos7 64-bit minimalworkKuber27 modify host

Ansible script, hostname = kuber [the last number in dotted decimal]:

-hosts: K8 remote_user: root tasks:-name: origin hostname command: hostname-name: server ip shell: ip a-hostname: name=kuber {{ansible_default_ipv4.address.split ('.) [- 1]}} close firewall

Linux command:

Service firewalld stopsystemctl disable firewalld

Ansible playbook

-hosts: K8 remote_user: root tasks:-name: stop firewalld systemd: name=firewalld enabled=false state=stopped-name: check firewalld status shell: service firewalld status closes the swap partition

Linux command:

Swappoff-ased-I'sUnip. Etc/fstab swap.pickswap.pickswap.Candle / etc/fstab

Ansible playbook

-hosts: K8 remote_user: root tasks:-name: close swap shell: swapoff-a & & sed-I's Unip.

Linux command:

Cat

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.