Fast upgrade and capacity expansion of Kubernetes 1.21.0 high availability cluster
Kubernetes 1.21.0 has been officially released, and highly available clusters can also be upgraded directly (hub.docker.com has been stopped, and registry.cn-hangzhou.aliyuncs.com/google_containers is used). Fast upgrade (including domestic image quick download link) includes three main steps: upgrading kubedm / kubectl / kubelet version ...
Posted by TenFold on Fri, 04 Mar 2022 05:54:52 +0100
Kubernetes uses kubedm to create clusters
For image download, domain name resolution and time synchronization, please click Alibaba open source mirror station
Practice environment
CentOS-7-x86_64-DVD-1810
Docker 19.03.9
Kubernetes version: v1.20.5
Before starting
One Linux operating system or more, compatible with deb,rpm
Ensure that each machine has 2G memory or more
Ensure th ...
Posted by rtsanderson on Mon, 06 Dec 2021 06:28:40 +0100