我该如何在 Ubuntu Studio 中修复这个问题？（我通过以太网线直接硬连线到路由器，路由器有来自 ISP 的静态外部 Web IP）：
user@user-MS-7693:~$ ping -c 10 google.com
ping: google.com: Temporary failure in name resolution
user@user-MS-7693:~$ ping -c 10 msn.com
ping: msn.com: Temporary failure in name resolution
user@user-MS-7693:~$ ping -c 10 8.8.8.8
PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_seq=1 ttl=58 time=587 ms
64 bytes from 8.8.8.8: icmp_seq=2 ttl=58 time=883 ms
64 bytes from 8.8.8.8: icmp_seq=3 ttl=58 time=665 ms
64 bytes from 8.8.8.8: icmp_seq=4 ttl=58 time=577 ms
64 bytes from 8.8.8.8: icmp_seq=5 ttl=58 time=554 ms
64 bytes from 8.8.8.8: icmp_seq=6 ttl=58 time=555 ms
64 bytes from 8.8.8.8: icmp_seq=7 ttl=58 time=577 ms
64 bytes from 8.8.8.8: icmp_seq=8 ttl=58 time=676 ms
64 bytes from 8.8.8.8: icmp_seq=9 ttl=58 time=633 ms
64 bytes from 8.8.8.8: icmp_seq=10 ttl=58 time=588 ms
--- 8.8.8.8 ping statistics ---
10 packets transmitted, 10 received, 0% packet loss, time 9008ms
rtt min/avg/max/mdev = 554.462/629.496/883.478/93.902 ms
user@user-MS-7693:~$