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Hi All: I am a newbie to ubuntu, have used linux mildly but this is the first time I am planning on using linux as my only platform on a ...
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  1. #1
    Just Joined!
    Join Date
    Jul 2008
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    1

    Question wired internet connection problem (eth0:avahi problem?)


    Hi All:

    I am a newbie to ubuntu, have used linux mildly but this is the first time I am planning on using linux as my only platform on a new build. I installed ubuntu 8.04 on my machine.I cannot connect to the internet over a wired connection.

    This is what I have tried so far:

    To begin, I went to System -> Administration -> Network and configured the "Wired Connection". I set the "Connection Settings" "Configuration" to "Automatic Configuration (DHCP)". After that, I rebooted and then fired up mozilla, that did not work.

    I then did a ifconfig and saw that while eth0 has no IP address, there is a "eth0:avahi" entry that has an IP address. I googled and found this article: omingo - Ubuntu blog. i tried the process laid out here, and that too did not work.

    And that brings me to you guys . I have copy pasted below output from ifconfig, iwconfig and lspci - my PCI wireless card is also not working but that is for another day!

    Below are the results of various commands to give you an idea what is going on:

    ifconfig
    eth0 Link encap:Ethernet HWaddr 00:1f:d0:5a:0b:e1
    UP BROADCAST MULTICAST MTU:1500 Metric:1
    RX packets:0 errors:0 dropped:8292065968 overruns:0 frame:0
    TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
    collisions:0 txqueuelen:1000
    RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
    Interrupt:254 Base address:0x2000

    eth0:avahi Link encap:Ethernet HWaddr 00:1f:d0:5a:0b:e1
    inet addr:169.254.7.95 Bcast:169.254.255.255 Mask:255.255.0.0
    UP BROADCAST MULTICAST MTU:1500 Metric:1
    Interrupt:254 Base address:0x2000

    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:16436 Metric:1
    RX packets:2246 errors:0 dropped:0 overruns:0 frame:0
    TX packets:2246 errors:0 dropped:0 overruns:0 carrier:0
    collisions:0 txqueuelen:0
    RX bytes:112492 (109.8 KB) TX bytes:112492 (109.8 KB)



    iwconfig
    lo no wireless extensions.

    eth0 no wireless extensions.


    lspci
    00:00.0 Host bridge: Advanced Micro Devices [AMD] RS780 Host Bridge
    00:01.0 PCI bridge: Advanced Micro Devices [AMD] RS780 PCI to PCI bridge (int gfx)
    00:0a.0 PCI bridge: Advanced Micro Devices [AMD] RS780 PCI to PCI bridge (PCIE port 5)
    00:11.0 SATA controller: ATI Technologies Inc SB700/SB800 SATA Controller [AHCI mode]
    00:12.0 USB Controller: ATI Technologies Inc SB700/SB800 USB OHCI0 Controller
    00:12.1 USB Controller: ATI Technologies Inc SB700/SB800 USB OHCI1 Controller
    00:12.2 USB Controller: ATI Technologies Inc SB700/SB800 USB EHCI Controller
    00:13.0 USB Controller: ATI Technologies Inc SB700/SB800 USB OHCI0 Controller
    00:13.1 USB Controller: ATI Technologies Inc SB700/SB800 USB OHCI1 Controller
    00:13.2 USB Controller: ATI Technologies Inc SB700/SB800 USB EHCI Controller
    00:14.0 SMBus: ATI Technologies Inc SBx00 SMBus Controller (rev 3a)
    00:14.1 IDE interface: ATI Technologies Inc SB700/SB800 IDE Controller
    00:14.2 Audio device: ATI Technologies Inc SBx00 Azalia
    00:14.3 ISA bridge: ATI Technologies Inc SB700/SB800 LPC host controller
    00:14.4 PCI bridge: ATI Technologies Inc SBx00 PCI to PCI Bridge
    00:14.5 USB Controller: ATI Technologies Inc SB700/SB800 USB OHCI2 Controller
    00:18.0 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration
    00:18.1 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address Map
    00:18.2 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM Controller
    00:18.3 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control
    01:05.0 VGA compatible controller: ATI Technologies Inc Radeon HD 3200 Graphics
    01:05.1 Audio device: ATI Technologies Inc RS780 Azalia controller
    02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 02)
    03:07.0 Ethernet controller: Marvell Technology Group Ltd. 88w8335 [Libertas] 802.11b/g Wireless (rev 03)
    03:0e.0 FireWire (IEEE 1394): Texas Instruments TSB43AB23 IEEE-1394a-2000 Controller (PHY/Link)

  2. #2
    Linux Enthusiast
    Join Date
    Jul 2005
    Location
    Maryland
    Posts
    522
    Hi BB2008,
    Try rebooting the router, and then type:
    Code:
    dhclient
    or reboot computer again.

    Also, google 169.254 for more info on getting 169.254.x.x IP

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