1、–pod-network-cidr=192.168.43.0/12 这个ip根据什么指定呢？

2、运行时报错 [ERROR NumCPU]: the number of available CPUs 1 is less than the required 2 详细情况如下；

root@ubuntu:~# kubeadm init --apiserver-advertise-address=10.0.2.4 --pod-network-cidr=192.168.43.0/12
W0102 14:42:34.887576 1518 validation.go:28] Cannot validate kube-proxy config - no validator is available
W0102 14:42:34.888310 1518 validation.go:28] Cannot validate kubelet config - no validator is available
[init] Using Kubernetes version: v1.17.0
[preflight] Running pre-flight checks
[WARNING IsDockerSystemdCheck]: detected “cgroupfs” as the Docker cgroup driver. The recommended driver is “systemd”. Please follow the guide at https://kubernetes.io/docs/setup/cri/
error execution phase preflight: [preflight] Some fatal errors occurred:
[ERROR NumCPU]: the number of available CPUs 1 is less than the required 2
[preflight] If you know what you are doing, you can make a check non-fatal with --ignore-preflight-errors=...
To see the stack trace of this error execute with --v=5 or higher