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Kubernetes install centos7

Kubeadm quickly builds a k8s cluster

surroundings

Master01: 192.168.1.110 (minimum 2 core CPU)

node01: 192.168.1.100

planning

Services network: 10.96.0.0/12

Pod network: 10.244.0.0/16

Configure hosts to resolve each host

vim /etc/hosts

127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6 192.168.1.110 master01 192.168.1.100 node01

Synchronize each host time

yum install -y ntpdate ntpdate time.windows.com

[…]

kubernetes

two lines info my /etc/sysctl.conf

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

sysctl net.bridge.bridge-nf-call-iptables=1 swapoff -a firewall-cmd –reload modprobe br_netfilter echo ‘1’ > /proc/sys/net/bridge/bridge-nf-call-iptables

kubeadm reset

echo ‘Environment=”KUBELET_EXTRA_ARGS=–fail-swap-on=false”‘ >> /etc/systemd/system/kubelet.service.d/10-kubeadm.conf

systemctl daemon-reload systemctl restart kubelet

kubeadm init

[root@k8s-master ~]# mkdir -p $HOME/.kube [root@k8s-master ~]# cp -i /etc/kubernetes/admin.conf $HOME/.kube/config [root@k8s-master ~]# chown $(id -u):$(id -g) $HOME/.kube/config

Step […]

Kubernetes basic concepts study notes

Kubernetes (often called K8s) is an open source system for automatically deploying, extending, and managing containerized applications, and is an “open source version” of Google’s internal tools, Borg.

Kubernetes is currently recognized as the most advanced container cluster management tool. After the release of version 1.0, Kubernetes has been developing at a faster speed and […]