Racher deploys kubernetes cluster

Experimental environment

rancher/k8s_master   192.168.10.18

k8s_node1                 192.168.10.10

cat /etc/redhat-release  

CentOS Linux release 7.8.2003 (Core)

cat /proc/cpuinfo | grep "processor" | wc -l

2    

Software installation

echo SELINUX=disabled > /etc/sysconfig/selinux

systemctl stop firewalld  NetworkManager && systemctl disable firewalld  NetworkManager

cp -pv /etc/sysctl.conf /etc/sysctl.conf.bak

echo net.ipv4.tcp_syncookies = 1 >> /etc/sysctl.conf

echo net.ipv4.tcp_tw_reuse = 1 >> /etc/sysctl.conf

echo net.ipv4.tcp_tw_recycle = 1 >> /etc/sysctl.conf

echo net.ipv4.tcp_fin_timeout = 10 >> /etc/sysctl.conf

echo net.ipv4.ip_forward= 1  >>   /etc/sysctl.conf

sysctl -p

yum install -y   docker-ce docker-ce-cli   containerd.io  

systemctl daemon-reload

systemctl start docker && systemctl enable docker

docker --version

Docker version 18.06.2-ce, build 6d37f41     k8s_master operation

docker run -itd --restart=always  --privileged=true -p 81:80 -p 8443:443 --name rancher rancher/rancher:v2.5.9   k8s1 operation