我一直试图通过其他问题中的其他解决方案来解决我的问题，但一直没有奏效。我有点像 Linux 菜鸟，但我知道我的系统正在识别连接，但由于某种原因无法连接。每当我的系统启动时，它都会尝试连接，但随后失败，并继续尝试。我以前在 Windows 上没有遇到过这个问题。我担心这可能是驱动程序问题，但不确定。
一些输出：
sudo ethtool eth0：
Settings for eth0:
Supported ports: [ TP MII ]
Supported link modes: 10baseT/Half10baseT/Full
100baseT/Half100 baseT/Full
1000baseT/Half1000 baseT/Full
Supported pause frame use: No
Supports auto-negotiation: Yes
Advertised link nodes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Half 1000baseT/Full
Advertised pause frame use: Symmetric Receive-only
Advertised auto-negotiation: Yes
Link partner advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Half 1000baseT/Full
Link partner advertised pause frame use: Symmetric Receive-only
Link partner advertised auto-negotiation: Yes
Speed: 1000Mb/s
Duplex: Full
Port: MII
PHYAD: 0
Transceiver: internal
Auto-negotiation: on
Supports Wake-on: pumbg
Wake-on: g
Current message level: 0x00000033 (51)
drv probe ifdown ifup
Link detected: yes
sudo lshw -C 网络：
*-network
description: Ethernet interface
product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:03:00.0
logical name: eth0
version: 06
serial: fc:aa:14:0e:87:13
size: 1Gbit/s
capacity: 1Gbit/s
width: 64 bits
clock: 33MHZ
capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=rtl8168e-3_0.0.4 03/27/12 latency=0 link=yes multicast=yes port=MII speed=1Gbit/s
resources: irq:29 ioport:d000(size=256) memory:fe100000-fe100fff memory:d2100000-d2103fff
ifconfig：
eth0 Link encap:Ethernet HWaddr fc:aa:14:0e:87:13
inet6 addr: fe80::feaa:14ff:fe0e:8713/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:96 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:47 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:26016 (26.0 KB) TX bytes:0 (0.0 B)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:468 errors:0 dropped:0 overruns:0 frame:0
TX packets:468 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:58813 (58.8 KB) TX bytes:58813 (58.8 KB)
路线：
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
nmcli dev 列表 iface eth0：
GENERAL.DEVICE: eth0
GENERAL.TYPE: 802-3-ethernet
GENERAL.VENDOR: Realtek Semiconductor Co., Ltd.
GENERAL.PRODUCT: Motherboard
GENERAL.DRIVER: r8169
GENERAL.DRIVER-VERSION: 2.3LK-NAPI
GENERAL.FIRMWARE-VERSION:
GENERAL.HWADDR: FC:AA:14:0E:87:13
GENERAL.STATE: 70 (connecting (getting IP configuration))
GENERAL.REASON: 0 (No reason given)
GENERAL.UDI: /sys/devices/pci0000:00/0000:00:09.0/0000:03:00.0/net/eth0
GENERAL.IP-IFACE: eth0
GENERAL.NM-MANAGED: yes
GENERAL.AUTOCONNECT: yes
GENERAL.FIRMWARE-MISSING: no
GENERAL.CONNECTION: /org/freedesktop/NetworkManager/ActiveConnection/15
CAPABILITIES.CARRIER-DETECT: yes
CAPABILITIES.SPEED: 100 Mb/s
CONNECTIONS.AVAILABLE-CONNECTION-PATHS:/org/freedesktop/NetworkManager/Settings/{0}
CONNECTIONS.AVAILABLE-CONNECTIONS[1]: a9a951e0-8515-4c1a-af4e-5115e127d753 | Ethernet connection 1
WIRED-PROPERTIES.Carrier: on
lspci -knn | grep Eth -A2：
03:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 06)
Subsystem: Gigabyte Technology Co., Ltd Motherboard [1458:e000]
Kernel driver in use: r8169
内核版本是3.19.0-25
答案1
很可能您需要安装另一个以太网驱动程序。通过其他方式连接到互联网并在终端中运行
sudo apt-get install r8168-dkms