Shulou(Shulou.com)06/02 Report--

K8s cluster building (kubeadm scheme)

1. At least 3 Centos

A, at least 2 cores CPU+2G memory + 20 GB hard disk

B. Must be on the same network segment

In this example, the assignment is:

Master:10.170.0.7Worker1:10.170.0.8Worker2:10.170.0.9

2. Ip addr confirms whether an IPV4 address is assigned. If not, nmtui,Automatically connect tick

3. Connect with SSH

4. Disable the firewall

Systemctl stop firewalld & systemctl disable firewalld

5. Disable SELINUX

Sed-I "s/SELINUX=enforcing/SELINUX=disabled/" / etc/selinux/configsetenforce 0

6. Disable swap

A, swapoff-a B, vi / etc/fstab, comment out swap

7. Restart the server to make it effective.

Reboot

8. Add k8s source. It is recommended to use Ali or 163

Cat / etc/sysconfig/modules/ipvs.modules

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