ubuntu 14.04 在liveCD下能联网，安装后反而不能联网了，求指点

包含网卡/无线网的网络问题和ADSL/校园网/宽带拨号支持及代理/共享等网络使用问题
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wm2506
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系统： windows

ubuntu 14.04 在liveCD下能联网，安装后反而不能联网了，求指点

#1

帖子 由 wm2506 »

笔记本较老，dell inspiron 1501 网卡broadcom 440 10/100
直接使用u盘上livecd模式试用时可以识别网卡，并能上网；安装到硬盘后反而找不到网卡了。
求指点！
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wgj
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注册时间： 2007-06-02 20:00

Re: ubuntu 14.04 在liveCD下能联网，安装后反而不能联网了，求指点

#2

帖子 由 wgj »

在livecd下运行lspci -v。
然后在硬盘下运行lspci -v。
把结果贴上来看看。 :em01
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wm2506
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Re: ubuntu 14.04 在liveCD下能联网，安装后反而不能联网了，求指点

#3

帖子 由 wm2506 »

liveCD下：
00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD/ATI] RS480/RS482/RS485 Host Bridge (rev 10)
Subsystem: Dell Device 01f5
Flags: bus master, 66MHz, medium devsel, latency 64

00:01.0 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] RC4xx/RS4xx PCI Bridge [int gfx] (prog-if 00 [Normal decode])
Flags: bus master, 66MHz, medium devsel, latency 64
Bus: primary=00, secondary=01, subordinate=01, sec-latency=64
I/O behind bridge: 00009000-00009fff
Memory behind bridge: c0100000-c01fffff
Prefetchable memory behind bridge: 00000000c8000000-00000000cfffffff
Capabilities: <access denied>

00:05.0 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] RC4xx/RS4xx PCI Express Port 2 (prog-if 00 [Normal decode])
Flags: fast devsel
Bus: primary=00, secondary=02, subordinate=04, sec-latency=0
I/O behind bridge: 00002000-00002fff
Memory behind bridge: 80000000-801fffff
Prefetchable memory behind bridge: 0000000080200000-00000000803fffff
Capabilities: <access denied>
Kernel driver in use: pcieport

00:06.0 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] RC4xx/RS4xx PCI Express Port 3 (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=05, subordinate=07, sec-latency=0
I/O behind bridge: 00003000-00003fff
Memory behind bridge: c0200000-c02fffff
Prefetchable memory behind bridge: 0000000080400000-00000000805fffff
Capabilities: <access denied>
Kernel driver in use: pcieport

00:12.0 SATA controller: Advanced Micro Devices, Inc. [AMD/ATI] SB600 Non-Raid-5 SATA (prog-if 01 [AHCI 1.0])
Subsystem: Dell Device 01f5
Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 22
I/O ports at 8438
I/O ports at 8454
I/O ports at 8430
I/O ports at 8450
I/O ports at 8400
Memory at c0004000 (32-bit, non-prefetchable)
Capabilities: <access denied>
Kernel driver in use: ahci

00:13.0 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB600 USB (OHCI0) (prog-if 10 [OHCI])
Subsystem: Dell Device 01f5
Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 16
Memory at c0005000 (32-bit, non-prefetchable)
Kernel driver in use: ohci-pci

00:13.1 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB600 USB (OHCI1) (prog-if 10 [OHCI])
Subsystem: Dell Device 01f5
Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 17
Memory at c0006000 (32-bit, non-prefetchable)
Kernel driver in use: ohci-pci

00:13.2 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB600 USB (OHCI2) (prog-if 10 [OHCI])
Subsystem: Dell Device 01f5
Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 18
Memory at c0007000 (32-bit, non-prefetchable)
Kernel driver in use: ohci-pci

00:13.3 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB600 USB (OHCI3) (prog-if 10 [OHCI])
Subsystem: Dell Device 01f5
Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 17
Memory at c0008000 (32-bit, non-prefetchable)
Kernel driver in use: ohci-pci

00:13.4 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB600 USB (OHCI4) (prog-if 10 [OHCI])
Subsystem: Dell Device 01f5
Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 18
Memory at c0009000 (32-bit, non-prefetchable) [size=4K]
Kernel driver in use: ohci-pci

00:13.5 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB600 USB Controller (EHCI) (prog-if 20 [EHCI])
Subsystem: Dell Device 01f5
Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 19
Memory at c0004400 (32-bit, non-prefetchable) [size=256]
Capabilities: <access denied>
Kernel driver in use: ehci-pci

00:14.0 SMBus: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 SMBus Controller (rev 13)
Subsystem: Dell Device 01f5
Flags: 66MHz, medium devsel
I/O ports at 8410 [size=16]
Memory at c0004800 (32-bit, non-prefetchable) [size=1K]
Capabilities: <access denied>
Kernel driver in use: piix4_smbus

00:14.1 IDE interface: Advanced Micro Devices, Inc. [AMD/ATI] SB600 IDE (prog-if 8a [Master SecP PriP])
Subsystem: Dell Device 01f5
Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 16
I/O ports at 01f0 [size=8]
I/O ports at 03f4
I/O ports at 0170 [size=8]
I/O ports at 0374
I/O ports at 8420 [size=16]
Capabilities: <access denied>
Kernel driver in use: pata_atiixp

00:14.2 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 Azalia (Intel HDA)
Subsystem: Dell Device 01f5
Flags: bus master, slow devsel, latency 64, IRQ 16
Memory at c0000000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: snd_hda_intel

00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD/ATI] SB600 PCI to LPC Bridge
Subsystem: Dell Device 01f5
Flags: bus master, 66MHz, medium devsel, latency 0

00:14.4 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 PCI to PCI Bridge (prog-if 01 [Subtractive decode])
Flags: bus master, 66MHz, medium devsel, latency 64
Bus: primary=00, secondary=08, subordinate=0a, sec-latency=64
Memory behind bridge: c0300000-c03fffff

00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration
Flags: fast devsel
Capabilities: <access denied>

00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] K8 [Athlon64/Opteron] Address Map
Flags: fast devsel

00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] K8 [Athlon64/Opteron] DRAM Controller
Flags: fast devsel

00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] K8 [Athlon64/Opteron] Miscellaneous Control
Flags: fast devsel
Capabilities: <access denied>
Kernel driver in use: k8temp

01:05.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] RS482M [Mobility Radeon Xpress 200] (prog-if 00 [VGA controller])
Subsystem: Dell Device 01f5
Flags: bus master, 66MHz, medium devsel, latency 66, IRQ 17
Memory at c8000000 (32-bit, prefetchable) [size=128M]
I/O ports at 9000 [size=256]
Memory at c0100000 (32-bit, non-prefetchable) [size=64K]
[virtual] Expansion ROM at c0120000 [disabled] [size=128K]
Capabilities: <access denied>
Kernel driver in use: radeon

05:00.0 Network controller: Broadcom Corporation BCM4311 802.11b/g WLAN (rev 01)
Subsystem: Dell Wireless 1390 WLAN Mini-Card
Flags: bus master, fast devsel, latency 0, IRQ 18
Memory at c0200000 (32-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: b43-pci-bridge

08:00.0 Ethernet controller: Broadcom Corporation BCM4401-B0 100Base-TX (rev 02)
Subsystem: Dell Device 01f5
Flags: bus master, fast devsel, latency 64, IRQ 21
Memory at c0300000 (32-bit, non-prefetchable) [size=8K]
Capabilities: <access denied>
Kernel driver in use: b44

08:01.0 SD Host controller: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter (rev 19)
Subsystem: Dell Device 01f5
Flags: bus master, medium devsel, latency 64, IRQ 20
Memory at c0302800 (32-bit, non-prefetchable) [size=256]
Capabilities: <access denied>
Kernel driver in use: sdhci-pci

08:01.1 System peripheral: Ricoh Co Ltd R5C843 MMC Host Controller (rev 01)
Subsystem: Dell Dell Inspiron 1501
Flags: bus master, medium devsel, latency 0, IRQ 20
Memory at c0302c00 (32-bit, non-prefetchable) [size=256]
Capabilities: <access denied>
Kernel driver in use: sdhci-pci
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wm2506
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Re: ubuntu 14.04 在liveCD下能联网，安装后反而不能联网了，求指点

#4

帖子 由 wm2506 »

硬盘安装
00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD/ATI] RS480/RS482/RS485 Host Bridge (rev 10)
Subsystem: Dell Device 01f5
Flags: bus master, 66MHz, medium devsel, latency 64

00:01.0 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] RC4xx/RS4xx PCI Bridge [int gfx] (prog-if 00 [Normal decode])
Flags: bus master, 66MHz, medium devsel, latency 64
Bus: primary=00, secondary=01, subordinate=01, sec-latency=64
I/O behind bridge: 00009000-00009fff
Memory behind bridge: c0100000-c01fffff
Prefetchable memory behind bridge: 00000000c8000000-00000000cfffffff
Capabilities: <access denied>

00:05.0 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] RC4xx/RS4xx PCI Express Port 2 (prog-if 00 [Normal decode])
Flags: fast devsel
Bus: primary=00, secondary=02, subordinate=04, sec-latency=0
I/O behind bridge: 00002000-00002fff
Memory behind bridge: 80000000-801fffff
Prefetchable memory behind bridge: 0000000080200000-00000000803fffff
Capabilities: <access denied>
Kernel driver in use: pcieport

00:06.0 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] RC4xx/RS4xx PCI Express Port 3 (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=05, subordinate=07, sec-latency=0
I/O behind bridge: 00003000-00003fff
Memory behind bridge: c0200000-c02fffff
Prefetchable memory behind bridge: 0000000080400000-00000000805fffff
Capabilities: <access denied>
Kernel driver in use: pcieport

00:12.0 SATA controller: Advanced Micro Devices, Inc. [AMD/ATI] SB600 Non-Raid-5 SATA (prog-if 01 [AHCI 1.0])
Subsystem: Dell Device 01f5
Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 22
I/O ports at 8438
I/O ports at 8454
I/O ports at 8430
I/O ports at 8450
I/O ports at 8400
Memory at c0004000 (32-bit, non-prefetchable)
Capabilities: <access denied>
Kernel driver in use: ahci

00:13.0 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB600 USB (OHCI0) (prog-if 10 [OHCI])
Subsystem: Dell Device 01f5
Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 16
Memory at c0005000 (32-bit, non-prefetchable)
Kernel driver in use: ohci-pci

00:13.1 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB600 USB (OHCI1) (prog-if 10 [OHCI])
Subsystem: Dell Device 01f5
Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 17
Memory at c0006000 (32-bit, non-prefetchable)
Kernel driver in use: ohci-pci

00:13.2 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB600 USB (OHCI2) (prog-if 10 [OHCI])
Subsystem: Dell Device 01f5
Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 18
Memory at c0007000 (32-bit, non-prefetchable)
Kernel driver in use: ohci-pci

00:13.3 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB600 USB (OHCI3) (prog-if 10 [OHCI])
Subsystem: Dell Device 01f5
Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 17
Memory at c0008000 (32-bit, non-prefetchable)
Kernel driver in use: ohci-pci

00:13.4 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB600 USB (OHCI4) (prog-if 10 [OHCI])
Subsystem: Dell Device 01f5
Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 18
Memory at c0009000 (32-bit, non-prefetchable) [size=4K]
Kernel driver in use: ohci-pci

00:13.5 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB600 USB Controller (EHCI) (prog-if 20 [EHCI])
Subsystem: Dell Device 01f5
Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 19
Memory at c0004400 (32-bit, non-prefetchable) [size=256]
Capabilities: <access denied>
Kernel driver in use: ehci-pci

00:14.0 SMBus: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 SMBus Controller (rev 13)
Subsystem: Dell Device 01f5
Flags: 66MHz, medium devsel
I/O ports at 8410 [size=16]
Memory at c0004800 (32-bit, non-prefetchable) [size=1K]
Capabilities: <access denied>
Kernel driver in use: piix4_smbus

00:14.1 IDE interface: Advanced Micro Devices, Inc. [AMD/ATI] SB600 IDE (prog-if 8a [Master SecP PriP])
Subsystem: Dell Device 01f5
Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 16
I/O ports at 01f0 [size=8]
I/O ports at 03f4
I/O ports at 0170 [size=8]
I/O ports at 0374
I/O ports at 8420 [size=16]
Capabilities: <access denied>
Kernel driver in use: pata_atiixp

00:14.2 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 Azalia (Intel HDA)
Subsystem: Dell Device 01f5
Flags: bus master, slow devsel, latency 64, IRQ 16
Memory at c0000000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: snd_hda_intel

00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD/ATI] SB600 PCI to LPC Bridge
Subsystem: Dell Device 01f5
Flags: bus master, 66MHz, medium devsel, latency 0

00:14.4 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 PCI to PCI Bridge (prog-if 01 [Subtractive decode])
Flags: bus master, 66MHz, medium devsel, latency 64
Bus: primary=00, secondary=08, subordinate=0a, sec-latency=64
Memory behind bridge: c0300000-c03fffff

00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration
Flags: fast devsel
Capabilities: <access denied>

00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] K8 [Athlon64/Opteron] Address Map
Flags: fast devsel

00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] K8 [Athlon64/Opteron] DRAM Controller
Flags: fast devsel

00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] K8 [Athlon64/Opteron] Miscellaneous Control
Flags: fast devsel
Capabilities: <access denied>
Kernel driver in use: k8temp

01:05.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] RS482M [Mobility Radeon Xpress 200] (prog-if 00 [VGA controller])
Subsystem: Dell Device 01f5
Flags: bus master, 66MHz, medium devsel, latency 66, IRQ 17
Memory at c8000000 (32-bit, prefetchable) [size=128M]
I/O ports at 9000 [size=256]
Memory at c0100000 (32-bit, non-prefetchable) [size=64K]
[virtual] Expansion ROM at c0120000 [disabled] [size=128K]
Capabilities: <access denied>
Kernel driver in use: radeon

05:00.0 Network controller: Broadcom Corporation BCM4311 802.11b/g WLAN (rev 01)
Subsystem: Dell Wireless 1390 WLAN Mini-Card
Flags: bus master, fast devsel, latency 0, IRQ 18
Memory at c0200000 (32-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: wl

08:00.0 Ethernet controller: Broadcom Corporation BCM4401-B0 100Base-TX (rev 02)
Subsystem: Dell Device 01f5
Flags: bus master, fast devsel, latency 64, IRQ 10
Memory at c0300000 (32-bit, non-prefetchable) [size=8K]
Capabilities: <access denied>

08:01.0 SD Host controller: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter (rev 19)
Subsystem: Dell Device 01f5
Flags: bus master, medium devsel, latency 64, IRQ 20
Memory at c0302000 (32-bit, non-prefetchable) [size=256]
Capabilities: <access denied>
Kernel driver in use: sdhci-pci

08:01.1 System peripheral: Ricoh Co Ltd R5C843 MMC Host Controller (rev 01)
Subsystem: Dell Dell Inspiron 1501
Flags: bus master, medium devsel, latency 0, IRQ 20
Memory at c0302400 (32-bit, non-prefetchable) [size=256]
Capabilities: <access denied>
Kernel driver in use: sdhci-pci
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wm2506
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注册时间： 2014-04-27 20:50
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Re: ubuntu 14.04 在liveCD下能联网，安装后反而不能联网了，求指点

#5

帖子 由 wm2506 »

另外，尽管在硬盘上正常安装，也未报错，但不能正常关机！
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wgj
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Re: ubuntu 14.04 在liveCD下能联网，安装后反而不能联网了，求指点

#6

帖子 由 wgj »

1、你是网线不能上网还是Wlan有问题？
2、你是不是安装 Broadcom的私有驱动了？
3、如果网线无法上网你可以试试sudo modprobe -v b44
4、如果是wlan可以试试移除bcmwl-kernel-source这个包。然后试着向三一样加载驱动。
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wm2506
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Re: ubuntu 14.04 在liveCD下能联网，安装后反而不能联网了，求指点

#7

帖子 由 wm2506 »

多谢多谢！试了一下sudo modprobe -v b44，显示insmod某个 .ko文件后，始终没有结束。
想想插着网线再重装了一次，结果可以上网了。之前安装时使用无线网络，和这个有没有关系？
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madechina
帖子： 23
注册时间： 2007-05-15 17:00

Re: ubuntu 14.04 在liveCD下能联网，安装后反而不能联网了，求指点

#8

帖子 由 madechina »

俺的网卡：1x1 11b/g/n Wireless LAN PCI Express Half Mini Card Adapter
表现和楼主一样，live模式下可正常使用，安装好后（未做任何变动）却不能正常。
经确认，是无线不能获得DNS的原因（无线连上后，在resolv.conf中只有一行 nameserver 127.0.0.1)（用ip的方式可以访问网页）
尝试在/etc/dhcp/dhcpclient.conf中加入
prepend domain-name-servers 本地DNS;无效
只能每次手动在resolv.conf中加入DNS。太烦了

请教大神，何解？

BTW： 貌似14.04问题很多？
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iridiumcao
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注册时间： 2007-01-18 18:05
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Re: ubuntu 14.04 在liveCD下能联网，安装后反而不能联网了，求指点

#9

帖子 由 iridiumcao »

我今天安装后，也碰到这个问题了，不幸的是，我连上网线重装后，还是有问题。
正在解决中……
Ubuntu 24.10
随心所欲不逾矩
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poloshiao
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注册时间： 2009-08-04 16:33

Re: ubuntu 14.04 在liveCD下能联网，安装后反而不能联网了，求指点

#10

帖子 由 poloshiao »

把下面指令 複製 貼進終端機 執行
1. sudo lshw -numeric -class network
2. sudo ifconfig -a
3. sudo route -nv
4. sudo dhclient -v
5. sudo cat /etc/resolv.conf
6. sudo ls -al /etc/resolv.conf
結果直接複製 貼上來
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woaiwojia
帖子： 1355
注册时间： 2007-09-10 20:20
系统： Debian
来自： 南京

Re: ubuntu 14.04 在liveCD下能联网，安装后反而不能联网了，求指点

#11

帖子 由 woaiwojia »

madechina 写了：俺的网卡：1x1 11b/g/n Wireless LAN PCI Express Half Mini Card Adapter
表现和楼主一样，live模式下可正常使用，安装好后（未做任何变动）却不能正常。
经确认，是无线不能获得DNS的原因（无线连上后，在resolv.conf中只有一行 nameserver 127.0.0.1)（用ip的方式可以访问网页）
尝试在/etc/dhcp/dhcpclient.conf中加入
prepend domain-name-servers 本地DNS;无效
只能每次手动在resolv.conf中加入DNS。太烦了

请教大神，何解？

BTW： 貌似14.04问题很多？

编辑 sudo vim /etc/network/interfaces

在里面加入 dns-nameservers DNS_ADDRESS (如： dns-nameservers 8.8.8.8）
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poloshiao
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Re: ubuntu 14.04 在liveCD下能联网，安装后反而不能联网了，求指点

#12

帖子 由 poloshiao »

经确认，是无线不能获得DNS的原因（无线连上后，在resolv.conf中只有一行 nameserver 127.0.0.1)（用ip的方式可以访问网页）
1. sudo ls -al /etc/resolv.conf
/etc/resolv.conf -> /run/resolvconf/resolv.conf
2. 一次性有效 重開機 就還原了
在 /run/resolvconf/resolv.conf 增加
nameserver 8.8.8.8
nameserver 8.8.4.4
在
nameserver 127.0.0.1
下面
立刻有效
2. 永久有效
2-1. 在 /etc/resolvconf/resolv.conf.d/head
增加
nameserver 8.8.8.8
nameserver 8.8.4.4
2-2. service network-manager restart
立刻永久有效
2-3. 或者重新開機
立刻永久有效
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sinobill
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Re: ubuntu 14.04 在liveCD下能联网，安装后反而不能联网了，求指点

#13

帖子 由 sinobill »

:em02 我也同样网卡 也是wlan上网 偶怎么都好？
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