关于一些机器的优化部分
cat > kubernetes.conf <<EOF
net.bridge.bridge-nf-call-iptables=1
net.bridge.bridge-nf-call-ip6tables=1
net.ipv4.ip_forward=1
vm.swappiness=0
vm.overcommit_memory=1
vm.panic_on_oom=0
fs.inotify.max_user_watches=89100
fs.file-max=52706963
fs.nr_open=52706963
net.ipv6.conf.all.disable_ipv6=1
net.netfilter.nf_conntrack_max=2310720
EOF
sudo cp kubernetes.conf /etc/sysctl.d/kubernetes.conf
sudo sysctl -p /etc/sysctl.d/kubernetes.conf设置系统时区部分
# 调整系统 TimeZone
sudo timedatectl set-timezone Asia/Shanghai
# 将当前的 UTC 时间写入硬件时钟
sudo timedatectl set-local-rtc 0
# 重启依赖于系统时间的服务
sudo systemctl restart rsyslog
sudo systemctl restart crond