Deploying a Local Kubernetes Cluster with Kubeadm on CentOS
Infrastructure Requirements
A stable three-node architecture is recommended: one control-plane host and two compute nodes. Each virtual machine must meet baseline specifications including minimum 2 GB RAM, dual-core processors, unique MAC addresses, and unrestricted internal networking. Swap partitions must be disabled prior to component deploy ...
Posted on Sat, 26 Sep 2026 16:48:52 +0000 by adamp1
Deploying a Kubernetes Cluster with Containerd Runtime
Preparing Host System Configuration on All Nodes
Configure System Package Repository
Replace the default system repository with an Aliyun mirror for faster package downloads.
mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup
curl -o /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.repo
sed - ...
Posted on Fri, 28 Aug 2026 16:54:09 +0000 by swordske
Installing Kubernetes 1.25 on a Cloud Server via Kubeadm for Lab Use
Kubernetes Environment Planning
Pod Network (podSubnet): 10.244.0.0/16
Service Network (serviceSubnet): 10.96.0.0/12
Lab Environment Specifications:
Operating System: CentOS 7.5
Configuration: 2GB RAM / 4 vCPU / 50GB HDD
Initializing the Kubernetes Cluster Environment
First, set up the production environment server. Later, node environments can ...
Posted on Fri, 10 Jul 2026 17:31:44 +0000 by rcatal02
High-Availability Kubernetes 1.24 Deployment with kube-vip and Cilium
Infrastructure Architecture
Operating System
Kernel
IP Address
Hostname
Role
Ubuntu 22.04 LTS
5.15.0
10.0.50.11
control-plane-1
Control Plane
Ubuntu 22.04 LTS
5.15.0
10.0.50.12
control-plane-2
Control Plane
Ubuntu 22.04 LTS
5.15.0
10.0.50.13
control-plane-3
Control Plane
Ubuntu 22.04 LTS
5.15.0
10.0.50.21
worker-1
Worker
Ubuntu 2 ...
Posted on Tue, 19 May 2026 14:30:48 +0000 by boon4376
Deploying a Kubernetes 1.26 Cluster with containerd and Calico
Node Configuration Table
Role
IP Address
master1
192.168.40.180
master2*
192.168.40.183
node1
192.168.40.181
node2*
192.168.40.182
*Nodes marked with an asterisk are reserved for future cluster expansion.
Prerequisites for All Node
Hostname Assignment
hostnamectl set-hostname master1 && bash # Run on master1
hostnamect ...
Posted on Tue, 19 May 2026 13:31:15 +0000 by yarons
Resolving Network and Runtime Constraints for Kubernetes and KubeSphere on Cloud VMs
Public cloud virtual machines typically route traffic through NAT gateways, which disrupts Kubernetes control plane and etcd peer communication that expects direct layer-3 connectivity. Deploying a cluster on low-spec instances requires explicit runtime configuration, network address translation rules, and careful component selection.
Container ...
Posted on Fri, 15 May 2026 20:00:01 +0000 by coffejor