Ubuntu Networking :: When Comp1 Is Booted Into Ubuntu, No Network Access Is Possible?
Sep 15, 2010
Here is an overview of my system, consisting of two computers, a D-Link router and a ZyTel 660 DSL modem/router. Computer One (Comp1) is dual booting XP and Ubuntu 8.04. Computer Two (Comp2) is booting only Ubuntu 8.04. For years, I had been running and networking both of these computers with XP. Both have been using static IPs. In order to have Static IPs and forward certain ports, I had to configure the D-Link router as an Access Point and use the ZyTel as the defacto router for the network.
The Static IP info for the two computers is:
Comp1
IP ADR 192.168.2.20
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Apr 6, 2010
I have a number of diskless hosts which are to bootth PXE and mount their root filesystem on an NFS share. Most of the NFS share will be common to to all of the diskless hosts. No problem with that part.I also need part of the NFS shared filesystem to be unique to each individual host. The only difference between the hosts is the ethernet MAC. I use it in the DHCP server to key a specific unique IP to each host. I would like to be able to use either the MAC, or the IP, or any other unique identifier that can be derived very early in the boot process to access a filesystem or directory that is unique to each diskless host.
I need/want to do this because I need/want to isolate all of the system maintenance to one small part of the boot host. Modifying the hardware (these are VME CPUs) in any way is not an option; they must be field swappable, with all maintenance isolated to the boot host(s).I know I could run ifconfig and parse its output to derive an IP &/or MAC, but that seems a bit kludgey and fragile. The DHCP server is presently assigning IPs. I know I can arrange to pass a unique option value via the DHCP server, but don't know if or how this can be retrieved on the diskless nodes. I am presently passing the 'root=' kernel argument from the bootloader, but I don't think there is any way to pass other filesystem information using that mechanism.
I know I can pass some kernel arguments from the bootloader, but there doesn't seem to be any generic message that can be retrieved in userspace as part of the boot process. I've scanned around in the /proc filesystem, looking for the IP or anything else that seems to uniquely identify the host, but don't see anything there, either.The init process has not yet been cast in stone, but is very likely to be a BusyBox built-in
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Sep 17, 2010
I have booted up from openSUSE 11.3 on a USB stick. When i go into Dolphin (the file explorer) and try to open a harddrive, I get the error:
Code:
An error occurred while accessing 'MyHardDrive', the system responded: org.freedesktop.Hal.Device.PermissionDeniedByPolicy: org.freedesktop.hal.storage.mount-fixed auth_admin_keep_always <-- (action,result)
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Mar 30, 2010
How can I track down what's using my nic and kill it (if appropriate). There are no applications running which might be authorized to send and receive packages, so I don't really know why the System Monitor shows network activity.
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Aug 4, 2009
I have a linux domain (FEDORA CORE 1) and two laptop's which are part of my domain with windows xp pro service pack 2.I have given two ip's to both the laptop's being primary as global and secondary as local.I have configured printer in one laptop and shared.Till last week i was accessing that shared printer from my other laptop and every thing was working fine.Last week i formatted one laptop,(which dose not have shared printer) from then onwards i am not able to access my other laptop. I get the following message when i try to accessmy other Laptop,"you might not have permission to use this network resource. contact the administrator of this server to find out if you have access permission there are currently no logon servers available to service the logon request"P.S : If i have only local IP i am able to see both the systems and i am able to access my printer, this problem comes only when i add global IP to both the machines.And also i have stopped the firewall and other things.
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Apr 3, 2010
I installed the driver for my network card. iwconfig and ifconfig are all responsive to connecting to the network, I'm given an access point address. Then, I try to connect to a website and no dice. ping www.google.com yields no result. What gives?
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Mar 15, 2011
in a nutshell im trying to share 2 HDD's in same machine with several windows machines1. auto login so no welcome screen.2. auto mount the drives3. share the drives with/without password 1 is fine, i did resolve issue 2 with "storage device manager" but no matter what i do i cant get it to load correctly as i cant remove the option "mount file system in read only mode" so i cant create/move/delete anything. i did also change the owner for when it mounts off root to my user, but still no avail.and i can share the drives using ubuntu, but i also have samba.not important
Code:also another 2 Q's for after i have sorted this, i need ubuntu to shut down when i simplypress the off button as this will have no mouse, keyboard or TFT attached.so then i can simply press the on button and within a min or so i can just connect to my 'network drives' and then also to enable a remote desktop viewer, i did try the inbuilt 1 but couldnt connect with my win 7 machines
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Jul 13, 2009
Can any outsider(from Public N/w) access my pvt. network.i.e. my clients of my subnet? If yes how ??and if no why?
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Mar 10, 2010
I setup this ubuntu 9.10 server (32bit), at first I did DHCP and it gave me an address, I updated and downloaded most of the packages I needed at that time.
I switched the IP from DHCP to static IP and now I cant access outside my network. with ping or to download packages. I can however login via ssh over my network.
The only changes I made were the hostname and the static IP
This is my /etc/network/interfaces
Code:
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
# The loopback network interface
auto lo
iface lo inet loopback
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Aug 18, 2010
I purchased an Acer Aspire 7745G yesterday and installed Ubuntu as soon as I opened up the computer.
There appears to be a big problem however. Neither the wireless nor the LAN / ethernet are working.
'ifconfig -a' gives two items: lo and pan0. I believe pan0 is the bluetooth.
The wireless icon at the top right says "No network devices available". Network Tools shows the same results.
If I plug in an ethernet cord, nothing happens.
This is a fresh Ubuntu 10.04.1 downloaded this morning from ubuntu.com. I tried installing three times (USB, CD, DVD) including data checks on the disks. Same problem all three times.
I am guessing this is some kind of driver issue, but since I have no Internet access, I cannot do a Ubuntu Update and have Ubuntu find the drivers for me.
EDIT: The wireless and ethernet are working in Windows 7.
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Jan 8, 2011
I am currently connected in a LAN, where naturally I can see in the network folder the machines connected to the LAN. Yet I need to access the LAN that exists at the WAN side of my router, see the machnes connected at it, etc. Is there a away to do it?
What I need to do is use a shared printer outside my lan, yet I need to see what IP it has in order to add it in my printer list
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Jul 9, 2011
my wireless network doesnt recognize that any network is around. The broadcom STA driver will not install and it says "Please have a look at the log file for details: /var/log/jockey.log" the jog file says
2011-07-09 21:21:33,921 WARNING: /sys/module/wl/drivers does not exist, cannot rebind wl driver
2011-07-09 21:21:33,987 DEBUG: BroadcomWLHandler enabled(): kmod disabled, bcm43xx: blacklisted, b43: blacklisted, b43legacy: blacklisted
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I'm on 11.04, im on a macbook 6,2 i7. The wifi worked when i booted from cd but now it doesnt work once i installed.
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Jan 23, 2011
I recently installed Xubuntu 10.04 on a desktop computer. Everything works fine aside from the fact that I can't access my Dell 3010cn network printer. The printeis accessible and work flawlessly with every other computers running XP, Vista and Ubuntu 9.10I installed the drivers and configured the printer with the exact same parameters as on my 9.10 laptop. The thing is that the printer is always "offline" as if my computer could not connect to it. Also, when I try to acces its options via its fixed IP adress (192.168.1.107) through Firefox, I cannot reach the printer. However, the printer responds to every other computer in the house.What am I doing wrong? Is there a firewall in 10.04 that keeps me from accessing to the printer?
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Apr 23, 2011
I can communicate to Windows perfectly (Internet sharing, file sharing, printer sharing, etc), but Windows controls everything, and I can't access any other Ubuntu PC, or host a printer or Internet connection. I have been fighting Samba for quite a long time, and I finally am able to access Windows shares from Ubuntu, but I want to host the shared folders (and everything else) on Ubuntu instead, because I have a bigger HD on it, and it is just a faster computer.
I tried personal file sharing and shared folders, but it doesn't work. I am also not able to access other Ubuntu PCs in the network, for printing, remote desktop, or file-sharing. All the computer are connected to the same Ethernet router. I'm using XP Home SP3, Ubuntu 10.04 x64, and a laptop running 11.04 beta 2.
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Jun 13, 2011
I want to connect to a wireless open ad-hoc network to have internet access. It worked a while ago (1/2 year or something) but some update must have messed something up so it doesn't work any longer. Situation: There is a laptop that is running windows 7 and is connected to the internet via cabel. A open ad-hoc network is configuered with sharing of internet connection, status of the ad-hoc network is "waiting for users to connect". I want to connect with a second laptop that is running ubuntu 11.04. I can find the network and connect to it.
Problem: I cannot get any internet access while being connected to the ad-hoc network. So my questions are: how can i find out if what causes the Problem? I suspect a driver issue, but I'm not sure. required information from Howto post a wireless issue:
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Jun 13, 2011
I need HELP WITH my wireless and ethernet I am knew to linux and very aggravated being that I have been trying to figure this out on my own for a week now . here are the spec that I got
mistey@mistey-laptop:~$ lsusb
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 002: ID 045e:00e1 Microsoft Corp. Wireless Laser Mouse 6000 Reciever
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
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Feb 5, 2010
I am attempting to connect Ubuntu 9.10 to the Internet.I have a network connection, and Karmic detects it fine. I can ping addresses within our network (e.g. the Windows computer in the next room), and I can ping the router, but if I ping, say www.google.com, it says "Destination Net Unreachable". Previously, in Jaunty, I had a similar problem.I found a workaround: launch Pidgin. Somehow, launching Pidgin temporarily edits my configuration. However, in Karmic, I have no access to Pidgin, however, and Empathy does not do the same thing. Since I have no Internet, I cannot "sudo apt-get install" anything.How can I get the Internet working?
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Mar 26, 2010
So, I'm trying to set up a network with my windows netbook so the Ubuntu comp can access the internet through the netbook's wireless. Finally got the network set up, but can't access the internet on the Ubuntu comp. Also, the Ubuntu machine can recognize and access the files on the netbook, but the netbook only sees a computer named Owner-a6012abd6 which asks for a password.
The netbook is running Windows XP SP3, with an Atheros AR9285 Wireless Network adapter(internet) and an Atheros AR8132 PCI-E Fast Ethernet Controller. The Ubuntu comp is running Ubuntu 9.04.
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Oct 21, 2010
Thinkpad t410, ubuntu 10.04.01 64 bit, can not access internet suddenly by wireless router(Netgear WGR612) today.
I can get ip address from rounter, and can ping 192.168.1.1, but can not access url, telnet 192.168.1.1 80 showed me connection refused error, the weired thing is my another windows xp laptop can access internet through the same wireless router.
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Nov 11, 2010
So I finally successfully installed Ubuntu 10.10, but I can't access my home wireless network. I dual booted with Windows 7, and it detects my local wireless network, asks for the key and connects correctly. In Ubuntu, I have to plug in an ethernet cable to access the internet (like I am now). Ubuntu doesn't detect the network, and I tried "Create New Wireless Network..." up the top right, but it doesn't connect.
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Nov 22, 2010
I am trying to access my win7 networks shares with pcmanfm. (I have done sudo apt-get install gvfs-backends). I dont have any pw on my win7 and i dont want one. So every time i try to connect, pcman ask me for pw. How to configure pcman to dont ask me for pw? I have tried linux mint live usb and ubuntu live usb with same result.
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Dec 30, 2010
The question is related to one single desktop machine, with 3 users.
1) the superuser (me)
2) My elder son
3) My younger son.
As superuser, I can access the network (internet router) via "Wicd" perfectly well.
Both Client users can't.
Do I have to give them special user priviledges? If yes, which ones?
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Jan 13, 2011
we hav one of our client want access our company computer from outside network and all our computers are under proxy server therefore all computers have limited access so one of the limited access computer, client has to access from outside. so we want this computer should remain under proxy server as well as accessible from outside network
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Apr 18, 2011
I am working on ubuntu 10.10 in a VM. I went ahead and did updated the system when prompted. That has disabled my wired network connection. I am not sure what is the reason. If it is a device driver or any network service. I guess device driver is not an issue as I can detect my network card from ubuntu.
Does any one know the solution?
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May 3, 2011
I have two machines running ubuntu connected through a BiPAC 7401VGPR3 (Billion modem/router). One is a new notebook running Ubuntu 11.04 and the other desktop computer is running 10.04 connected to the printer and external hdd.
I can't find the right documentation to network them so that I can share HDD, printers, devices, etc. I can't get either computer to see each other via network searches.
Also may need to boot into Windows from time to time and access the network from there.
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Jul 8, 2011
I have just installed Ubuntu 11.04 and the Cisco VPN client with :
apt-get install network-manager-vpnc
I have imported the PCF provided by my employer into the GUI. The group password also seems ok, when I login to the VPN server, I am provided with the "VPN Login message". (On Windoze, I get an Ok/Cancel popup with the same message). In Ubuntu, I don't get to click "Ok" but it looks like I'm connected properly. The /var/log/syslog file contains numerous static routes added, 30 or so. After the Login Message, I see the couple of line:
Jul 8 12:40:51 ubuntu02 vpnc[1613]: can't open pidfile /var/run/vpnc/pid for writing
Jul 8 12:40:52 ubuntu02 NetworkManager[630]: <info> VPN connection 'VPN to my network' (IP Config Get) complete.
I get an IP from the external network correctly as well:
tun0 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
inet addr:172.16.10.170 P-t-P:172.16.10.170 Mask:255.255.255.0
However, I cannot ping any of the machine on the remote network. None of the network services seems to be accessible. Why the machines on the VPN are not accessible?
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Jul 24, 2011
I have a laptop with Ubuntu 11.04. Failed to connect my home wireless network, which is composed of a modem and a Netgear router.
ifconfig showing:
wlan0 Link encap:Ethernet HWaddr 00:24:d6:07:2b:a2
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:30238 errors:0 dropped:0 overruns:0 frame:0
TX packets:24005 errors:0 dropped:0 overruns:0 carrier:0
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I do not quite understand how the virtual interface wlan0:avahi appeared. My guess was, my request "sudo dhclient wlan0" failed to get a valid ip, although I did not get any error message from running that command. I executed "sudo dhclient wlan0" again, but still no error message or network connection.
Later today, I tried to connect to a public wireless network. Still got the same error. But when I reboot my machine, no such problems.
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Aug 7, 2011
I have a fairly new install of 10.04 on a Dell laptop (about a week). Everything was running well, connecting wirelessly to the interneet through my home router (WPA/WPA2). Today, for some reason, I lost my connection to the internet. The network manager tells me I'm connected to my router, but all the lines on the wifi indicator are gray and there is no internet access. I reinstalled the 2 sets of packets for my BCN4312 (bcmwl-kernel-source and b43-fwcutter ), but no change.
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Feb 13, 2010
I currently have VirtualBox installed on my Ubuntu 9.10 Desktop. I have windows xp as a guest os and it has network shares on it. My question is, is there a way for another computer to access those network drives on the guest os in virtualbox? I don't want to search for hours on end on google, a simple no would be fine - however if it is possible let me know because when I am in windows on another computer that has windows as a host os it sees it in the windows network folder but it says "....network location not found" or something similar but it still shows a pc picture of the virtual os of the virtual box program running in ubuntu.
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Mar 24, 2010
Background infoMy laptop (MySN MG6.c) is dual-booted with Windows 7 and Ubuntu 9.10, and connected to the internet through a router (Digitus DN-11004-O), which is set-up to use DHCP. The internet connection works fine under Windows, and my previous laptop, which also ran Ubuntu 9.10, had no problems connecting to the internet through that router.The network adapter is an Atheros AR8131 PCI-E (also detected as Attansic under Ubuntu)stem infoResults from running various diagnostics (I have removed the output that relate to the wireless connection, as I don't use it):
Code:
$ uname -a
Linux valyria 2.6.31-14-generic-pae #48-Ubuntu SMP Fri Oct 16 15:22:42 UTC 2009 i686
[code]...
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