CentOS7 Kubernetes Install

1. Repository 등록

$ sudo nano /etc/yum.repos.d/kubernetes.repo

[kubernetes]
name=Kubernetes
baseurl=https://packages.cloud.google.com/yum/repos/kubernetes-el7-x86_64
enabled=1
gpgcheck=1
repo_gpgcheck=1
gpgkey=https://packages.cloud.google.com/yum/doc/yum-key.gpg https://packages.cloud.google.com/yum/doc/rpm-package-key.gpg

2. 필요한 패키지 설치

$ sudo yum install -y kubelet kubeadm kubectl --disableexcludes=kubernetes

3. kubelet 등록

$ sudo systemctl enable --now kubelet

4. config 설정

$ nano /etc/sysctl.d/k8s.conf

net.bridge.bridge-nf-call-ip6tables = 1
net.bridge.bridge-nf-call-iptables = 1

5. 설정파일 리로드

$ sysctl --system

6. 나가기

$ exit