kubernets

[centos@ip-172-31-24-49 ~]$ uname -a
Linux ip-172-31-24-49.ap-northeast-1.compute.internal 3.10.0-693.5.2.el7.x86_64 #1 SMP Fri Oct 20 20:32:50 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux

sudo -i
echo "ClientAliveInterval 10" >> /etc/ssh/sshd_config
echo "TCPKeepAlive yes" >> /etc/ssh/sshd_config
systemctl restart sshd.service

sudo yum install -y docker
sudo systemctl enable docker && sudo systemctl start docker

sudo -i
cat <<EOF >  /etc/sysctl.d/k8s.conf
net.bridge.bridge-nf-call-ip6tables = 1
net.bridge.bridge-nf-call-iptables = 1
EOF
sudo sysctl --system

 cat <<EOF > /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
EOF

sudo yum install -y kubelet kubeadm kubectl
sudo systemctl enable kubelet && sudo systemctl start kubelet

kubeadm init

sudo -i
kubeadm init --kubernetes-version=v1.9.0 --pod-network-cidr=10.244.0.0/16

# 對於非root用戶
mkdir -p $HOME/.kube
sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
sudo chown $(id -u):$(id -g) $HOME/.kube/config

#對於root用戶
export KUBECONFIG=/etc/kubernetes/admin.conf
也可以直接放到~/.bash_profile
echo "export KUBECONFIG=/etc/kubernetes/admin.conf" >> ~/.bash_profile

vim /usr/lib/systemd/system/docker.service

[Service]
ExecStart=
ExecStart=/usr/bin/dockerd -H tcp://0.0.0.0:2375 -H unix://var/run/docker.sock