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japtar10101
January 3rd, 2009, 04:06 AM
I attempted to make my network IP address static by editting /etc/network/interfaces to below:


auto lo
iface lo inet loopback

auto eth0
iface eth0 inet static
address 192.168.0.121
netmask 255.255.255.0
network 192.168.0.0
broadcast 192.168.0.255
gateway 192.168.0.1


Note: the file originally said:


auto lo
iface lo inet loopback


When I do this, I cannot connect to the internet. Change the settings back to roaming on NMapplet, and everything returns back to normal.

What may be the cause of this? Does it have to do with the network service that we have? Is it a network card issue? Or is it simply because my computer is old?

Some stats that may (or may not) help:


~$ lspci
00:00.0 Host bridge: Intel Corporation 82810 GMCH (Graphics Memory Controller Hub) (rev 03)
00:01.0 VGA compatible controller: Intel Corporation 82810 (CGC) Chipset Graphics Controller (rev 03)
00:1e.0 PCI bridge: Intel Corporation 82801AA PCI Bridge (rev 02)
00:1f.0 ISA bridge: Intel Corporation 82801AA ISA Bridge (LPC) (rev 02)
00:1f.1 IDE interface: Intel Corporation 82801AA IDE Controller (rev 02)
00:1f.2 USB Controller: Intel Corporation 82801AA USB Controller (rev 02)
00:1f.5 Multimedia audio controller: Intel Corporation 82801AA AC'97 Audio Controller (rev 02)
00:1f.6 Modem: Intel Corporation 82801AA AC'97 Modem Controller (rev 02)
01:0e.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10)


~$ sudo lshw
PCI (sysfs)
omiyat-server
description: Desktop Computer
product: Emachines
vendor: TriGem Computer, Inc.
version: 100
serial: 0000000000
width: 32 bits
capabilities: smbios-2.3 dmi-2.3 smp-1.4 smp
configuration: administrator_password=enabled boot=oem-specific chassis=desktop cpus=1 frontpanel_password=unknown keyboard_password=unknown power-on_password=disabled
*-core
description: Motherboard
product: TriGem System Board
vendor: TriGem Computer, Inc.
physical id: 0
version: 000000
serial: 000000000000000000
*-firmware
description: BIOS
vendor: Phoenix Technologies LTD
physical id: 0
version: Ver 5.02 (10/17/2001)
size: 99KiB
capacity: 192KiB
capabilities: isa pci pnp apm upgrade shadowing escd cdboot bootselect edd int13floppynec int13floppy720 int13floppy2880 int5printscreen int9keyboard int14serial int17printer acpi usb agp ls120boot zipboot biosbootspecification
*-cpu
description: CPU
product: Celeron (Coppermine)
vendor: Intel Corp.
physical id: 4
bus info: cpu@0
version: 6.8.10
slot: U1
size: 900MHz
width: 32 bits
clock: 100MHz
capabilities: boot fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr sse up
*-cache:0
description: L1 cache
physical id: 8
slot: L1 Cache
size: 32KiB
capabilities: asynchronous internal write-back
*-cache:1
description: L2 cache
physical id: 9
slot: L2 Cache
size: 128KiB
capacity: 512KiB
capabilities: burst internal write-back
*-memory
description: System Memory
physical id: 1e
slot: System board or motherboard
size: 256MiB
capacity: 512MiB
*-bank:0
description: DIMM DRAM Synchronous
physical id: 0
slot: M1
size: 128MiB
width: 32 bits
*-bank:1
description: DIMM DRAM Synchronous
physical id: 1
slot: M2
size: 128MiB
width: 32 bits
*-pci
description: Host bridge
product: 82810 GMCH (Graphics Memory Controller Hub)
vendor: Intel Corporation
physical id: 100
bus info: pci@0000:00:00.0
version: 03
width: 32 bits
clock: 33MHz
configuration: driver=agpgart-intel module=intel_agp
*-display
description: VGA compatible controller
product: 82810 (CGC) Chipset Graphics Controller
vendor: Intel Corporation
physical id: 1
bus info: pci@0000:00:01.0
version: 03
width: 32 bits
clock: 66MHz
capabilities: pm vga_controller bus_master cap_list
configuration: driver=i810_smbus latency=0 module=i2c_i810
*-pci
description: PCI bridge
product: 82801AA PCI Bridge
vendor: Intel Corporation
physical id: 1e
bus info: pci@0000:00:1e.0
version: 02
width: 32 bits
clock: 33MHz
capabilities: pci normal_decode bus_master
*-network
description: Ethernet interface
product: RTL-8139/8139C/8139C+
vendor: Realtek Semiconductor Co., Ltd.
physical id: e
bus info: pci@0000:01:0e.0
logical name: eth0
version: 10
serial: 00:1e:2a:ba:45:f1
size: 100MB/s
capacity: 100MB/s
width: 32 bits
clock: 33MHz
capabilities: pm bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=8139too driverversion=0.9.28 duplex=full ip=192.168.1.46 latency=64 link=yes maxlatency=64 mingnt=32 module=8139too multicast=yes port=MII speed=100MB/s
*-isa
description: ISA bridge
product: 82801AA ISA Bridge (LPC)
vendor: Intel Corporation
physical id: 1f
bus info: pci@0000:00:1f.0
version: 02
width: 32 bits
clock: 33MHz
capabilities: isa bus_master
configuration: latency=0
*-ide
description: IDE interface
product: 82801AA IDE Controller
vendor: Intel Corporation
physical id: 1f.1
bus info: pci@0000:00:1f.1
logical name: scsi0
logical name: scsi1
version: 02
width: 32 bits
clock: 33MHz
capabilities: ide bus_master emulated
configuration: driver=ata_piix latency=0 module=ata_piix
*-disk
description: ATA Disk
product: ST320410A
vendor: Seagate
physical id: 0.0.0
bus info: scsi@0:0.0.0
logical name: /dev/sda
version: 3.34
serial: 5FG0W8BP
size: 18GiB (20GB)
capabilities: partitioned partitioned:dos
configuration: ansiversion=5 signature=ee08ee08
*-volume:0
description: EXT3 volume
vendor: Linux
physical id: 1
bus info: scsi@0:0.0.0,1
logical name: /dev/sda1
logical name: /
logical name: /dev/.static/dev
version: 1.0
serial: 73c14ef3-0a2b-4e39-a44a-b62b24f956bc
size: 13GiB
capacity: 13GiB
capabilities: primary bootable journaled extended_attributes large_files huge_files recover ext3 ext2 initialized
configuration: created=2008-12-19 15:58:37 filesystem=ext3 modified=2008-12-28 12:54:49 mount.fstype=ext3 mount.options=rw,relatime,errors=remount-ro,data=ordered mounted=2008-12-28 12:54:49 state=mounted
*-volume:1
description: Linux swap volume
physical id: 2
bus info: scsi@0:0.0.0,2
logical name: /dev/sda2
version: 1
serial: ef11b1f6-9a11-4727-9741-910c15f46482
size: 4769MiB
capacity: 4769MiB
capabilities: primary nofs swap initialized
configuration: filesystem=swap pagesize=4096
*-cdrom
description: CD-R/CD-RW writer
product: CD-R/RW 48X16
vendor: ATAPI
physical id: 0.1.0
bus info: scsi@1:0.1.0
logical name: /dev/cdrom
logical name: /dev/scd0
logical name: /dev/sr0
logical name: /media/cdrom0
version: 9.EK
serial: ATAPI CD-R/RW 48X16 9.EK
capabilities: removable audio cd-r cd-rw
configuration: ansiversion=5 mount.fstype=iso9660 mount.options=ro,nosuid,nodev,relatime state=mounted status=ready
*-medium
physical id: 0
logical name: /dev/cdrom
logical name: /media/cdrom0
configuration: mount.fstype=iso9660 mount.options=ro,nosuid,nodev,relatime state=mounted
*-usb
description: USB Controller
product: 82801AA USB Controller
vendor: Intel Corporation
physical id: 1f.2
bus info: pci@0000:00:1f.2
version: 02
width: 32 bits
clock: 33MHz
capabilities: uhci bus_master
configuration: driver=uhci_hcd latency=0 module=uhci_hcd
*-multimedia
description: Multimedia audio controller
product: 82801AA AC'97 Audio Controller
vendor: Intel Corporation
physical id: 1f.5
bus info: pci@0000:00:1f.5
version: 02
width: 32 bits
clock: 33MHz
capabilities: bus_master
configuration: driver=Intel ICH latency=0 module=snd_intel8x0
*-communication UNCLAIMED
description: Modem
product: 82801AA AC'97 Modem Controller
vendor: Intel Corporation
physical id: 1f.6
bus info: pci@0000:00:1f.6
version: 02
width: 32 bits
clock: 33MHz
capabilities: generic
configuration: latency=0

damis648
January 3rd, 2009, 04:08 AM
What if you make the modification using nm-applet and set it to static there?

gg234
January 3rd, 2009, 10:38 AM
try this http://www.ubuntugeek.com/how-to-set-a-static-ip-address-in-ubuntu-810-intrepid-ibex.html

tonytnnt
January 3rd, 2009, 01:40 PM
I followed Solution 1 to the letter (and I went back and checked it) but now I have no internet access on that machine at all. Before I could manually enter everything. Now auto eth0 doesn't even show up under ifconfig.:confused:

Suffice to say, installing Wicd is out of the question as well until I regain network connectivity on my Ubuntu box. And since Network Manager is uninstalled, I can't try solution three either.

Ugh, I've been working on this all night, any help would be appreciated. (Btw I'm running Ubuntu with Gnome, however this appears to be the same problem. Or at least gg234's solution was targeted toward my problem.) Can anyone tell me how to at least get Network Manager back up and running so I can manually enter it every time? I mean, a full fix would be ideal, but that's better than nothing. :frown:

superprash2003
January 3rd, 2009, 04:54 PM
you dont need to add the network and broadcast line in that file

Iowan
January 4th, 2009, 06:28 PM
Dunno if NM has been fixed, and this is obsolete... but here (http://ubuntuforums.org/showthread.php?t=974382) is a workaround for static addresses.