安装了Ubuntu18.04，应该怎么连接有线网络呢，主机连接的是学校的校园网

[Luisa-Liu]

1.Ubuntu18.04如何连接有线网？
2.Ubuntu18.04 如何连接无线网？显示No Wi-Fi Adapter Found

liu@liu-virtual-machine:/etc/network$ uname -a

Linux liu-virtual-machine 4.15.0-20-generic #21-Ubuntu SMP Tue Apr 24 06:16:15 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

liu@liu-virtual-machine:/etc/network$ sudo lspci -knn | grep -A5 Wireless

liu@liu-virtual-machine:/etc/network$ sudo lshw -numeric -class network
*-network
description: Ethernet interface
product: 82545EM Gigabit Ethernet Controller (Copper) [8086:100F]
vendor: Intel Corporation [8086]
physical id: 1
bus info: pci@0000:02:01.0
logical name: ens33
version: 01
serial: 00:0c:29:f2:c7:2a
size: 1Gbit/s
capacity: 1Gbit/s
width: 64 bits
clock: 66MHz
capabilities: pm pcix bus_master cap_list rom ethernet physical logical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=e1000 driverversion=7.3.21-k8-NAPI duplex=full ip=192.168.111.128 latency=0 link=yes mingnt=255 multicast=yes port=twisted pair speed=1Gbit/s
resources: irq:19 memory:fd5c0000-fd5dffff memory:fdff0000-fdffffff ioport:2000(size=64) memory:fd500000-fd50ffff

liu@liu-virtual-machine:/etc/network$ sudo ip addr show
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: ens33: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
link/ether 00:0c:29:f2:c7:2a brd ff:ff:ff:ff:ff:ff
inet 192.168.111.128/24 brd 192.168.111.255 scope global dynamic noprefixroute ens33
valid_lft 1642sec preferred_lft 1642sec
inet6 fe80::1770:5b65:47ad:1524/64 scope link noprefixroute
valid_lft forever preferred_lft forever

liu@liu-virtual-machine:/etc/network$ sudo ip route show
169.254.0.0/16 dev ens33 scope link metric 1000
192.168.111.0/24 dev ens33 proto kernel scope link src 192.168.111.128 metric 100

liu@liu-virtual-machine:/etc/network$ sudo rfkill list all
7: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
liu@liu-virtual-machine:/etc/network$ sudo nmcli dev status # wlan0
DEVICE TYPE STATE CONNECTION
ens33 ethernet connected Wired connection 1
lo loopback unmanaged --

liu@liu-virtual-machine:/etc/network$

[poloshiao]

建議
先讓 有线网卡 成功連接 再來討論 無線網卡

把下面指令 複製 貼進終端機 執行
0. uname -a
1. sudo lspci -knn | grep -iA5 Ethernet
2. sudo lshw -numeric -class network
3. sudo nmcli dev status
4. sudo ip addr show
5. sudo ip route show
6. sudo ls -al /etc/resolv.conf
把結果直接 選取/複製/貼上來
不要擷圖 方便回文直接引用你貼上來的資料
方便你閱讀

[Luisa-Liu]

以下是输入指令后返回的结果：
liu@liu-virtual-machine:/etc/network$ uname -a

Linux liu-virtual-machine 4.15.0-20-generic #21-Ubuntu SMP Tue Apr 24 06:16:15 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

liu@liu-virtual-machine:/etc/network$ sudo lspci -knn | grep -A5 Wireless

liu@liu-virtual-machine:/etc/network$ sudo lshw -numeric -class network
*-network
description: Ethernet interface
product: 82545EM Gigabit Ethernet Controller (Copper) [8086:100F]
vendor: Intel Corporation [8086]
physical id: 1
bus info: pci@0000:02:01.0
logical name: ens33
version: 01
serial: 00:0c:29:f2:c7:2a
size: 1Gbit/s
capacity: 1Gbit/s
width: 64 bits
clock: 66MHz
capabilities: pm pcix bus_master cap_list rom ethernet physical logical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=e1000 driverversion=7.3.21-k8-NAPI duplex=full ip=192.168.111.128 latency=0 link=yes mingnt=255 multicast=yes port=twisted pair speed=1Gbit/s
resources: irq:19 memory:fd5c0000-fd5dffff memory:fdff0000-fdffffff ioport:2000(size=64) memory:fd500000-fd50ffff

liu@liu-virtual-machine:/etc/network$ sudo ip addr show
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: ens33: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
link/ether 00:0c:29:f2:c7:2a brd ff:ff:ff:ff:ff:ff
inet 192.168.111.128/24 brd 192.168.111.255 scope global dynamic noprefixroute ens33
valid_lft 1642sec preferred_lft 1642sec
inet6 fe80::1770:5b65:47ad:1524/64 scope link noprefixroute
valid_lft forever preferred_lft forever

liu@liu-virtual-machine:/etc/network$ sudo ip route show
169.254.0.0/16 dev ens33 scope link metric 1000
192.168.111.0/24 dev ens33 proto kernel scope link src 192.168.111.128 metric 100

liu@liu-virtual-machine:/etc/network$ sudo rfkill list all
7: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
liu@liu-virtual-machine:/etc/network$ sudo nmcli dev status # wlan0
DEVICE TYPE STATE CONNECTION
ens33 ethernet connected Wired connection 1
lo loopback unmanaged --

liu@liu-virtual-machine:/etc/network$

[poloshiao]

1. sudo lspci -knn | grep -iA5 Ethernet

1. sudo lspci -knn | grep -A5 Wireless
你貼上來的是 無線網卡
而且沒有偵測到硬件

Ubuntu18.04如何连接有线网？

sudo ip addr show
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
2: ens33: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
link/ether 00:0c:29:f2:c7:2a brd ff:ff:ff:ff:ff:ff
inet 192.168.111.128/24 brd 192.168.111.255 scope global dynamic noprefixroute ens33

sudo ip route show
169.254.0.0/16 dev ens33 scope link metric 1000
192.168.111.0/24 dev ens33 proto kernel scope link src 192.168.111.128 metric 100

sudo nmcli dev status
DEVICE TYPE STATE CONNECTION
ens33 ethernet connected Wired connection 1

2. 你的有線網卡 應該已成功連線 而且分配的網址是 192.168.111.128

[Luisa-Liu]

您的意思是有线连接成功了吗？但是我打不开网页

[Luisa-Liu]

您的意思是 有线网已经连接成功？可是我打不开网页

[Luisa-Liu]

这个是另一个命令返回的结果，您帮忙看一下呢：

liu@liu-virtual-machine:/etc/network$ sudo lspci -knn | grep -iA5 Ethernet
[sudo] password for liu:
02:01.0 Ethernet controller [0200]: Intel Corporation 82545EM Gigabit Ethernet Controller (Copper) [8086:100f] (rev 01)
Subsystem: VMware PRO/1000 MT Single Port Adapter [15ad:0750]
Kernel driver in use: e1000
Kernel modules: e1000
02:02.0 Multimedia audio controller [0401]: Ensoniq ES1371/ES1373 / Creative Labs CT2518 [1274:1371] (rev 02)
Subsystem: Ensoniq Audio PCI 64V/128/5200 / Creative CT4810/CT5803/CT5806 [Sound Blaster PCI] [1274:1371]

[datura]

从名字看，楼主是在虚拟机里装的ubuntu?

[poloshiao]

sudo lspci -knn | grep -iA5 Ethernet
02:01.0 Ethernet controller [0200]: Intel Corporation 82545EM Gigabit Ethernet Controller (Copper) [8086:100f] (rev 01)

1. 有線網卡 82545EM

Kernel modules: e1000

1-1. 可以使用的驅動 e1000

Kernel driver in use: e1000

1-2. 使用中驅動 e1000
1-3. viewtopic.php?p=3205219#p3205219
你的有線網卡 應該已成功連線 而且分配的網址是 192.168.111.128

您的意思是 有线网已经连接成功？可是我打不开网页

2. 把下面指令 複製 貼進終端機 執行
2-1. ping -c 3 localhost
2-2. sudo dhclient -v
2-3. ping -c 3 forum.ubuntu.org.cn
2-4. tracepath -4 forum.ubuntu.org.cn
2-5. sudo ls -al /etc/resolv.conf
2-6. sudo cat /etc/resolv.conf
把指令及回應結果直接 選取/複製/貼上來

viewtopic.php?p=3205219#p3205219
sudo lspci -knn | grep -A5 Wireless
你貼上來的是 無線網卡
而且沒有偵測到硬件

从名字看，楼主是在虚拟机里装的ubuntu?

3. 把下面指令 複製 貼進終端機 執行
3-1. sudo lspci -knn
3-2. sudo lsusb
把指令及回應結果直接 選取/複製/貼上來

4. 你的無線網卡 是 U 卡嗎

[Luisa-Liu]

是的，我是在VMware上安装的Ubuntu，本机上连接的有线网，想知道在虚拟机上的Ubuntu如何能共享主机的网络，我的Ubuntu一直上不了网打不开网页。

[Luisa-Liu]

这个是按照您说的指令输入后返回的结果：
liu@liu-virtual-machine:/etc/network$ sudo lspci -knn
[sudo] password for liu:
00:00.0 Host bridge [0600]: Intel Corporation 440BX/ZX/DX - 82443BX/ZX/DX Host bridge [8086:7190] (rev 01)
Subsystem: VMware Virtual Machine Chipset [15ad:1976]
Kernel driver in use: agpgart-intel
00:01.0 PCI bridge [0604]: Intel Corporation 440BX/ZX/DX - 82443BX/ZX/DX AGP bridge [8086:7191] (rev 01)
Kernel modules: shpchp
00:07.0 ISA bridge [0601]: Intel Corporation 82371AB/EB/MB PIIX4 ISA [8086:7110] (rev 08)
Subsystem: VMware Virtual Machine Chipset [15ad:1976]
00:07.1 IDE interface [0101]: Intel Corporation 82371AB/EB/MB PIIX4 IDE [8086:7111] (rev 01)
Subsystem: VMware Virtual Machine Chipset [15ad:1976]
Kernel driver in use: ata_piix
Kernel modules: pata_acpi
00:07.3 Bridge [0680]: Intel Corporation 82371AB/EB/MB PIIX4 ACPI [8086:7113] (rev 08)
Subsystem: VMware Virtual Machine Chipset [15ad:1976]
Kernel modules: i2c_piix4
00:07.7 System peripheral [0880]: VMware Virtual Machine Communication Interface [15ad:0740] (rev 10)
Subsystem: VMware Virtual Machine Communication Interface [15ad:0740]
Kernel driver in use: vmw_vmci
Kernel modules: vmw_vmci
00:0f.0 VGA compatible controller [0300]: VMware SVGA II Adapter [15ad:0405]
Subsystem: VMware SVGA II Adapter [15ad:0405]
Kernel driver in use: vmwgfx
Kernel modules: vmwgfx
00:10.0 SCSI storage controller [0100]: LSI Logic / Symbios Logic 53c1030 PCI-X Fusion-MPT Dual Ultra320 SCSI [1000:0030] (rev 01)
Subsystem: VMware LSI Logic Parallel SCSI Controller [15ad:1976]
Kernel driver in use: mptspi
Kernel modules: mptspi
00:11.0 PCI bridge [0604]: VMware PCI bridge [15ad:0790] (rev 02)
00:15.0 PCI bridge [0604]: VMware PCI Express Root Port [15ad:07a0] (rev 01)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:15.1 PCI bridge [0604]: VMware PCI Express Root Port [15ad:07a0] (rev 01)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:15.2 PCI bridge [0604]: VMware PCI Express Root Port [15ad:07a0] (rev 01)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:15.3 PCI bridge [0604]: VMware PCI Express Root Port [15ad:07a0] (rev 01)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:15.4 PCI bridge [0604]: VMware PCI Express Root Port [15ad:07a0] (rev 01)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:15.5 PCI bridge [0604]: VMware PCI Express Root Port [15ad:07a0] (rev 01)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:15.6 PCI bridge [0604]: VMware PCI Express Root Port [15ad:07a0] (rev 01)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:15.7 PCI bridge [0604]: VMware PCI Express Root Port [15ad:07a0] (rev 01)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:16.0 PCI bridge [0604]: VMware PCI Express Root Port [15ad:07a0] (rev 01)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:16.1 PCI bridge [0604]: VMware PCI Express Root Port [15ad:07a0] (rev 01)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:16.2 PCI bridge [0604]: VMware PCI Express Root Port [15ad:07a0] (rev 01)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:16.3 PCI bridge [0604]: VMware PCI Express Root Port [15ad:07a0] (rev 01)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:16.4 PCI bridge [0604]: VMware PCI Express Root Port [15ad:07a0] (rev 01)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:16.5 PCI bridge [0604]: VMware PCI Express Root Port [15ad:07a0] (rev 01)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:16.6 PCI bridge [0604]: VMware PCI Express Root Port [15ad:07a0] (rev 01)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:16.7 PCI bridge [0604]: VMware PCI Express Root Port [15ad:07a0] (rev 01)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:17.0 PCI bridge [0604]: VMware PCI Express Root Port [15ad:07a0] (rev 01)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:17.1 PCI bridge [0604]: VMware PCI Express Root Port [15ad:07a0] (rev 01)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:17.2 PCI bridge [0604]: VMware PCI Express Root Port [15ad:07a0] (rev 01)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:17.3 PCI bridge [0604]: VMware PCI Express Root Port [15ad:07a0] (rev 01)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:17.4 PCI bridge [0604]: VMware PCI Express Root Port [15ad:07a0] (rev 01)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:17.5 PCI bridge [0604]: VMware PCI Express Root Port [15ad:07a0] (rev 01)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:17.6 PCI bridge [0604]: VMware PCI Express Root Port [15ad:07a0] (rev 01)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:17.7 PCI bridge [0604]: VMware PCI Express Root Port [15ad:07a0] (rev 01)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:18.0 PCI bridge [0604]: VMware PCI Express Root Port [15ad:07a0] (rev 01)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:18.1 PCI bridge [0604]: VMware PCI Express Root Port [15ad:07a0] (rev 01)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:18.2 PCI bridge [0604]: VMware PCI Express Root Port [15ad:07a0] (rev 01)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:18.3 PCI bridge [0604]: VMware PCI Express Root Port [15ad:07a0] (rev 01)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:18.4 PCI bridge [0604]: VMware PCI Express Root Port [15ad:07a0] (rev 01)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:18.5 PCI bridge [0604]: VMware PCI Express Root Port [15ad:07a0] (rev 01)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:18.6 PCI bridge [0604]: VMware PCI Express Root Port [15ad:07a0] (rev 01)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:18.7 PCI bridge [0604]: VMware PCI Express Root Port [15ad:07a0] (rev 01)
Kernel driver in use: pcieport
Kernel modules: shpchp
02:00.0 USB controller [0c03]: VMware USB1.1 UHCI Controller [15ad:0774]
Subsystem: VMware USB1.1 UHCI Controller [15ad:1976]
Kernel driver in use: uhci_hcd
02:01.0 Ethernet controller [0200]: Intel Corporation 82545EM Gigabit Ethernet Controller (Copper) [8086:100f] (rev 01)
Subsystem: VMware PRO/1000 MT Single Port Adapter [15ad:0750]
Kernel driver in use: e1000
Kernel modules: e1000
02:02.0 Multimedia audio controller [0401]: Ensoniq ES1371/ES1373 / Creative Labs CT2518 [1274:1371] (rev 02)
Subsystem: Ensoniq Audio PCI 64V/128/5200 / Creative CT4810/CT5803/CT5806 [Sound Blaster PCI] [1274:1371]
Kernel driver in use: snd_ens1371
Kernel modules: snd_ens1371
02:03.0 USB controller [0c03]: VMware USB2 EHCI Controller [15ad:0770]
Subsystem: VMware USB2 EHCI Controller [15ad:0770]
Kernel driver in use: ehci-pci
02:05.0 SATA controller [0106]: VMware SATA AHCI controller [15ad:07e0]
Subsystem: VMware SATA AHCI controller [15ad:07e0]
Kernel driver in use: ahci
Kernel modules: ahci
liu@liu-virtual-machine:/etc/network$ sudo lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 013: ID 0e0f:0008 VMware, Inc.
Bus 002 Device 003: ID 0e0f:0002 VMware, Inc. Virtual USB Hub
Bus 002 Device 002: ID 0e0f:0003 VMware, Inc. Virtual Mouse
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
liu@liu-virtual-machine:/etc/network$

[poloshiao]

可是我打不开网页

viewtopic.php?p=3205245#p3205245
2. 把下面指令 複製 貼進終端機 執行
2-1. ping -c 3 localhost
2-2. sudo dhclient -v
2-3. ping -c 3 forum.ubuntu.org.cn
2-4. tracepath -4 forum.ubuntu.org.cn
2-5. sudo ls -al /etc/resolv.conf
2-6. sudo cat /etc/resolv.conf
把指令及回應結果直接 選取/複製/貼上來

[Luisa-Liu]

输入指令：
ping -c 3 forum.ubuntu.org.cn
显示：
ping:forum.ubuntu.org.cn:Name or service not known

[datura]

你没有DNS

[poloshiao]

把指令及回應結果直接 選取/複製/貼上來
不要摘錄 以免遺漏重要訊息
用猜測的建議 恐怕會讓你白忙