no-greeting no-permission-warning lock-never keyserver-options timeout=10 keyserver-options import-clean keyserver-options no-self-sigs-only keyserver hkp://keyserver.ubuntu.com:80 #keyserver hkp://pool.sks-keyservers.net:80 #keyserver hkps://hkps.pool.sks-keyservers.net:443 #keyserver hkp://ipv4.pool.sks-keyservers.net:11371