二进制安装

编译源码

安装golang

下载解压配置

tar zxvf go1.16.5.linux-amd64.tar.gz -C /usr/local/
cat >> ~/.bash_profile <<EOF
export GOPROOT=/usr/local/go
export PATH=\$PATH:\$GOPROOT/bin
EOF
. ~/.bash_profile

编译全部组件

unzip kubernetes-1.18.6.zip
cd kubernetes-1.18.6
yum install -y rsync
rm -rf _output
make -j4

安装k8s主节点

安装etcd

下载解压etcd

• etcd-v3.3.9-linux-amd64.tar.gz

tar -zxvf etcd-v3.3.9-linux-amd64.tar.gz
sudo cp etcd-v3.3.9-linux-amd64/{etcd,etcdctl}  /usr/bin/

配置服务

sudo tee /usr/lib/systemd/system/etcd.service <<EOF
[Unit]
Description=Etcd Server
After=network.target

[Service]
Type=simple
WorkingDirectory=/var/lib/etcd
EnvironmentFile=-/etc/etcd/etcd.conf
ExecStart=/usr/bin/etcd

[Install]
WantedBy=multi-user.target
EOF

创建目录

mkdir /var/lib/etcd

启动

sudo systemctl daemon-reload
sudo systemctl enable etcd.service --now

查看集群状态

[root@localhost ~]# etcdctl cluster-health
member 8e9e05c52164694d is healthy: got healthy result from http://localhost:2379
cluster is healthy

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