Shulou(Shulou.com)06/02 Report--

First, prepare before installation

Etcd software version: etcd-v3.3.10-linux-amd64.tar.gz

System: centos7.3

Firewall off

Systemctl stop firewalld

Systemctl disable firewalld

Selinux shuts down

Configuration / etc/hosts (three operations)

192.168.159.121 k8s-master-01

192.168.159.122 k8s-node01

192.168.159.123 k8s-node02

Configure time synchronization

Yum-y install ntpdate

Crontab-e

# time synchronization

* / 5 * / usr/sbin/ntpdate 0.asia.pool.ntp.org

Second, configure key-free login (three operations)

Three sets operate first.

Ssh-keygen

Three sets operation

Ssh-copy-id-I / root/.ssh/id_rsa.pub root@k8s-node01

Ssh-copy-id-I / root/.ssh/id_rsa.pub root@k8s-node02

Ssh-copy-id-I / root/.ssh/id_rsa.pub root@k8s-master-01

Third, install etcd software

Three sets to create a directory

Mkdir-p / app/etcd/ {bin,cfg,ssl}

Extract the file

Tar zxvf etcd-v3.3.10-linux-amd64.tar.gz

Cp etcd-v3.3.10-linux-amd64/ {etcd,etcdctl} / app/etcd/bin/

Scp / app/etcd/bin/* root@k8s-node01:/app/etcd/bin/

Scp / app/etcd/bin/* root@k8s-node02:/appt/etcd/bin/

4. Configure etcd tls

1. Download cfssl (three operations)

Curl-L https://pkg.cfssl.org/R1.2/cfssl_linux-amd64-o / usr/local/bin/cfssl

Curl-L https://pkg.cfssl.org/R1.2/cfssljson_linux-amd64-o / usr/local/bin/cfssljson

Curl-L https://pkg.cfssl.org/R1.2/cfssl-certinfo_linux-amd64-o / usr/local/bin/cfssl-certinfo

Chmod + x / usr/local/bin/cfssl / usr/local/bin/cfssljson / usr/local/bin/cfssl-certinfo

2. Generate a certificate

Mkdir etcd-cert

Cd etcd-cert

Vi etcd-cert.sh

Cat > ca-config.json

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.