docker pull 失败报错：x509: certificate has expired or is not yet valid

[root@node3 docker]# docker pull gcr.io/google_containers/pause-amd64:3.1Error response from daemon: Get https://gcr.io/v2/: x509: certificate has expired or is not yet valid

[root@node3 docker]# dateWed Jun 10 19:08:23 CST 2020

[root@node3 docker]# yum install -y ntp[root@node3 docker]# crontab -l*/2 * * * * /usr/sbin/ntpdate 182.92.12.11;/sbin/hwclock -w > /dev/null #2>&1