centos7安装k8s

替换yum源

wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo 
wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo 
yum clean all 
yum makecache
yum -y update

安装docker

wget https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo -O /etc/yum.repos.d/docker-ce.repo 

yum -y install docker-ce-19.03.8-3.el7
yum update xfsprogs -y


rm -rf /etc/docker/daemon.json 
vi /etc/docker/daemon.json 
{
   
   
    "exec-opts": ["native.cgroupdriver=systemd"],
    "registry-mirrors": [
        "https://1nj0zren.mirror.aliyuncs.com",
        "https://kfwkfulq.mirror.aliyuncs.com",
        "https://2lqq34jg.mirror.aliyuncs.com",
        "https://pee6w651.mirror.aliyuncs.com",
        "http://hub-mirror.c.163.com",
        "https://docker.mirrors.ustc.edu.cn",
        "http://f1361db2.m.daocloud.io",
        "https://registry.docker-cn.com"
    ]
}

重启
systemctl daemon-reload
systemctl restart docker

查看docker日志
dockerd

安装k8s

# 拉镜像
docker pull registry.aliyuncs.com/google_containers/kube-proxy:v1.19.0
docker pull registry.aliyuncs.com/google_containers/kube-apiserver:v1.19.0
docker pull registry.aliyuncs.com/google_containers/kube-controller-manager:v1.19.0
docker pull registry.aliyuncs.com/google_containers/kube-scheduler:v1.19.0
docker pull registry.aliyuncs.com/google_containers/etcd:3.4.9-1
docker pull registry.aliyuncs.com/google_containers/coredns:1.7.0
docker pull registry.aliyuncs.com/google_containers/pause:3.2


# 关闭防火墙
systemctl stop firewalld && systemctl disable firewalld

# 关闭 swap
swapoff -a && sed -i '/ swap / s/^\(.*\)$/#\1/g' /etc/fstab

# 关闭 selinux
setenforce 0 && sed -i 's/^SELINUX=.*/SELINUX=disabled/' /etc/selinux/config

# 时间同步
yum -y install ntpdate
ntpdate time.windows.com
hwclock --systohc

# 将桥接的IPv4流量传递到iptables的链
cat > /etc/sysctl.d/k8s.conf << EOF
net.bridge.bridge-nf-call-ip6tables = 1
net.bridge.bridge-nf-call-iptables = 1
EOF
sysctl --system  # 生效



cat > /etc/yum.repos.d/kubernetes.repo << EOF
[kubernetes]
name=Kubernetes
baseurl=https://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86_64
en