没有安装 GUI,以下是有关我的服务器的有用信息:
$ cat /etc/network/interfaces
# The loopback network interface. I disabled this one.
#auto lo
#iface lo inet loopback
# The primary network interface
auto eth0
iface eth0 inet static
address 192.168.4.20
netmask 255.255.255.0
gateway 192.168.4.1
broadcast 192.168.4.255
$ cat /etc/resolv.conf
nameserver 8.8.8.8
nameserver 4.2.2.2
$ route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
0.0.0.0 192.168.4.1 0.0.0.0 UG 0 0 0 eth0
192.168.4.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
$ ifconfig -a
eth0 Link encamp:Ethernet HWaddr 04:06:ff:aa22:33
inet addr:192.168.4.20 Bcast:192.168.4.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:2 errors:0 dropped:0 overruns:0 frame:0
TX packets:10 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueueln:1000
RX Bytes:684 (684.0 B) TX bytes:600 (600.0 B)]
lo Link encamp:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOBACK RUNNING MTU:65536 Metric:1
RX packets:48 errors:0 dropped:0 overruns:0 frame:0
TX packets:48 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueueln:0
RX Bytes:4336 (4.3 KB) TX bytes:4336 (4.3 KB)
我已尽一切可能但仍无法 ping 通 Google 的 DNS 或任何 URL。
答案1
首先,环回接口是必需的,不能删除。我建议您将文件修改/etc/network/interfaces
为以下内容:
auto lo
iface lo inet loopback
# The primary network interface
auto eth0
iface eth0 inet static
address 192.168.4.20
netmask 255.255.255.0
gateway 192.168.4.1
dns-nameservers 8.8.8.8 4.2.2.2
让系统重新读取并使用修改后的文件:
sudo ifdown -a && sudo ifup -a
测试:
ping -c3 www.ubuntu.com