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2025-01-19 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Servers >
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1. Installation requirements
Before you begin, you need to meet the following conditions for deploying Kubernetes cluster machines:
One or more machines, operating system CentOS7.x-86_x64
Hardware configuration: 2GB or more RAM,2 CPU or more CPU, hard disk 30GB or more
Network interworking between all machines in the cluster
You can access the public network, and you need to pull the image
Prohibit swap partitioning
two。 Learning goal
1. Install Docker and kubeadm on all nodes
two。 Deploy Kubernetes Master
3. Deploy container network plug-ins
4. Deploy Kubernetes Node to join nodes in the Kubernetes cluster
5. Deploy the Dashboard Web page to visually view Kubernetes resources
3. Prepare the environment
Turn off the firewall:
$systemctl stop firewalld
$systemctl disable firewalld
Turn off selinux:
$sed-I's Universe / etc/selinux/config
$setenforce 0
Turn off swap:
$swapoff-a $temporary
$vim / etc/fstab $permanent
Add the corresponding relationship between hostname and IP (remember to set hostname):
$cat / etc/hosts
192.168.31.61 k8s-master
192.168.31.62 k8s-node1
192.168.31.63 k8s-node2
Chain that passes bridged IPv4 traffic to iptables:
$cat > / etc/sysctl.d/k8s.conf / etc/yum.repos.d/kubernetes.repo
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