我已经设置了以太网，但似乎根本无法连接到互联网。我知道这个问题已经被反复问过，但我对 Ubuntu 有点陌生，所以如果这是一个小问题，请原谅。我认为使这个问题变得复杂的部分原因是服务器可能在防火墙上，但我不知道 1.) 如何确认它是否在防火墙上以及 2.) 我到底需要做什么来解决这个问题。我尝试使用配置网络接口，ifconfig但没有任何变化。这是我的 Ubuntu 版本。
$lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 20.04.5 LTS
Release: 20.04
Codename: focal
这是ifconfig输出。
docker0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
inet 172.17.0.1 netmask 255.255.0.0 broadcast 172.17.255.255
ether 02:42:97:56:f6:ae txqueuelen 0 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
enp38s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 10.115.60.150 netmask 255.255.255.0 broadcast 10.115.60.255
ether 2c:f0:5d:a1:a6:6c txqueuelen 1000 (Ethernet)
RX packets 634047 bytes 244489362 (244.4 MB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 134689 bytes 11270400 (11.2 MB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
loop txqueuelen 1000 (Local Loopback)
RX packets 10478 bytes 977682 (977.6 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 10478 bytes 977682 (977.6 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
输出ip r
default via 10.115.60.1 dev enp38s0 proto dhcp metric 20100
10.115.60.0/24 dev enp38s0 proto kernel scope link src 10.115.60.150 metric 100
169.254.0.0/16 dev docker0 scope link metric 1000 linkdown
172.17.0.0/16 dev docker0 proto kernel scope link src 172.17.0.1 linkdown
并尝试 ping Google
$ ping -c3 www.google.com
PING www.google.com (142.251.35.164) 56(84) bytes of data.
--- www.google.com ping statistics ---
3 packets transmitted, 0 received, 100% packet loss, time 2037ms
$ cat /etc/resolv.conf
nameserver 127.0.0.53
options edns0 trust-ad
search mc.cumc.columbia.edu
如有任何建议/帮助，我们将不胜感激。