k8s部署1-环境要求

cat <<EOF > /etc/yum.repos.d/kubernetes.repo
[kubernetes]
name=Kubernetes
baseurl=https://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86_64/
enabled=1
gpgcheck=1
repo_gpgcheck=1
gpgkey=https://mirrors.aliyun.com/kubernetes/yum/doc/yum-key.gpg https://mirrors.aliyun.com/kubernetes/yum/doc/rpm-package-key.gpg
EOF

yum clean all
yum -y makecache
yum install -y git vim lrzsz unzip lsof wget ntp ntpdate
ntpdate 0.asia.pool.ntp.org

hostnamectl set-hostname master1
more /etc/hostname
hostnamectl status
echo "127.0.0.1   $(hostname)" >> /etc/hosts

swapoff -a
sed -i.bak '/swap/s/^/#/' /etc/fstab

cat > /etc/rc.sysinit << EOF
#!/bin/bash
for file in /etc/sysconfig/modules/*.modules ; do
[ -x $file ] && $file
done
EOF

cat > /etc/sysconfig/modules/br_netfilter.modules << EOF 
modprobe br_netfilter 
EOF
chmod 755 /etc/sysconfig/modules/br_netfilter.modules

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

ssh-keygen -t rsa

ssh-keygen
cd /root/.ssh/
cat id_rsa.pub >> authorized_keys
scp authorized_keys root@node节点ip:~/.ssh/