Get GPG fingerprint and push your key to ubuntu key server

root@samaruc:/tmp# gpg --fingerprint
/root/.gnupg/pubring.gpg
------------------------
pub   2048R/D9ADF82B 2014-09-09
      Key fingerprint = 3CDF 02F5 5532 E6FE 88D1  C152 5FE3 8CF1 D9AD F82B
uid                  Josep Manel Andres (IC3 standard WS)
sub   2048R/CB446606 2014-09-09

root@samaruc:/tmp# gpg --send-keys --keyserver keyserver.ubuntu.com D9ADF82B
gpg: sending key D9ADF82B to hkp server keyserver.ubuntu.com