实验环境
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
软件安装
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操作
docker run -itd --restart=always --privileged=true -p 81:80 -p 8443:443 --name rancher rancher/rancher:v2.5.9 k8s1操作
