Ran into an interesting one today: # sudo add-apt-repository ppa:ondrej/apache2 [omitted] Press [ENTER] to continue or ctrl-c to cancel adding it gpg: keyring `/tmp/tmpnv_gva8h/secring.gpg' created gpg: keyring `/tmp/tmpnv_gva8h/pubring.gpg' created gpg: requesting key E5267A6C from hkp server keyserver.ubuntu.com gpg: /tmp/tmpnv_gva8h/trustdb.gpg: trustdb created gpg: key E5267A6C: public key "Launchpad PPA for Ond\xc5\x99ej Sur�" imported gpg: Total number [...]