Notes|Notes of Kubernetes NotesofKubernetes

Prepare the local working environment System Initialization

Turn off firewall
# temporarily
systemctl stop firewalld
# permanently
systemctl disable firewalld
Turn off selinux
# temporarily
sed -i 's/enforcing/disabled/' /etc/selinux/config
# permanently
setenforce 0
Turn off swap
# temporarily
swapoff -a
# permanently (add hash (#) to the beginning of the swap partition line)
vim /etc/fstab
Configure hostname
hostnamectl set-hostname [hostname]
Configure static IP
vi /etc/sysconfig/network-scripts/ifcfg-ens32

BOOTPROTO="static" IPADDR=192.168.8.20 PREFIX0=24 GATEWAY=192.168.8.2 DNS1=114.114.114.114 DNS2=8.8.8.8
Add information of hosts (executed only on master node)

cat >> /etc/hosts << EOF 192.168.8.20 master01 192.168.8.21 worker01 192.168.8.22 worker02 EOF
【Notes|Notes of Kubernetes】IPv4 transist to iptables

cat > /etc/sysctl.d/k8s.conf << EOF net.bridge.bridge-nf-call-ip6tables = 1 net.bridge.bridge-nf-call-iptables = 1 EOF

sysctl --system
Synchronize time across cluster nodes
yum install ntpdate -y
ntpdate time.windows.com