command not found 的解决&&解释
ln -s /opt/platform/calico/calicoctl /usr/local/sbin/calicoctl
ln -s /opt/platform/nginx/sbin/nginxl /usr/local/sbin/nginx
ln -s /opt/platform/calico/calicoctl /usr/local/sbin/calicoctl
ln -s /opt/platform/nginx/sbin/nginxl /usr/local/sbin/nginx