Graylog Unable to call https://....:9000/api [RESOLVED]

Graylog Central (peer support)
3 
root@graylog:~# echo -n | openssl s_client -connect 10.1.1.20:9000 | sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' > graylog-cert.pem
depth=0 C = UA, ST = Odessa, L = Odessa, O = mydomain.com, OU = Graylog, CN = graylog.mydomain.com
verify error:num=18:self signed certificate
verify return:1
depth=0 C = UA, ST = Odessa, L = Odessa, O = mydomain.com, OU = Graylog, CN = graylog.mydomain.com
verify return:1
DONE
root@graylog:~#  openssl x509 -noout -in graylog-cert.pem -fingerprint -sha1
SHA1 Fingerprint=41:96:FF:35:37:97:11:8C:50:22:9A:68:1E:5E:77:0D:FA:A5:42:DE