127.0.0.1 localhost 127.0.1.1 kimbook.ubuntu-domain ubuntu
# The following lines are desirable for IPv6 capable hosts ::1 ip6-localhost ip6-loopback fe00::0 ip6-localnet ff00::0 ip6-mcastprefix ff02::1 ip6-allnodes ff02::2 ip6-allrouters ~確保第一行爲:127.0.0.1 localhost 重啓機器,問題解決!