Centos7_docker509错误
CentOS7 Docker x509: certificate signed by unknown authority 解决方案
registry-1.docker.io/v2/
1.
echo -n | openssl s_client -showcerts -connect registry-1.docker.io:443 2>/dev/null |
sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p'
/etc/pki/ca-trust/source/anchors/
update-ca-trust
systemctl restart docker