查看证书有效期

cfssl-certinfo -cert /etc/kubernetes/ssl/ca.pem

openssl x509 -in ca.pem -text -noout



openssl x509 -noout -dates -in /var/lib/kubelet/pki/kubelet.crt
原文地址:https://www.cnblogs.com/wang--lei/p/12202086.html