Ubuntu Networking :: Ad-hoc Network Setup Fails?
Sep 1, 2011
I'm trying to share the internet connection from my Ubuntu 11.04 desktop to one of my laptops (Mac OS X) using an ad-hoc network. Really I don't care what kind of AP the desktop broadcasts as long as I can share the internet connection. According to the documentation on the hardware the adapter supports ad-hoc. However I am getting the 8B06 error below.
The problem:
iwconfig wlan0 mode ad-hoc yields ->
Error for wireless request "Set Mode" (8B06) :
[code]....
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Jan 23, 2011
I virtualised backtrack on windows 7, and set up the network connection to bridged mode, but my networking still fails.
dhclient eth0, outputs many DHCPDISCOVER but no DHCP offers.
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Apr 21, 2011
Before I go any further I must admit that I'm pretty rubbish at setting these up, so please be gentle!
Now my problem; I have a normal desktop pc (I don't want to set it up as a server) but when I check the hardness of my set up with Gibson Research Centre, it fails. It can see ports 22,23,80,443 as closed but still visible.....? I have never had this happen to me before and struggling my way through yast firewall tool, I can find no easy way of sorting this out.
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Feb 4, 2010
Im trying to setup multiple domU through the default bridge setup. I am able to access only one of them through the network at a time. If you ping one of the domU it works perfectly but you cannot ping any of the others until you stop pinging the one and even then it takes a bit before you can. Ive looked around for a while and seen similar problems but nothing ever seems quite the same. Im probably missing something really stupid. Or is this the way the bridge is supposed to behave? Do i need to use a routed virtual network?
[Code]....
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Apr 3, 2010
when i try to set up bind9 to resolve the top level of the name it cant do it. for current sake of arguement i have 4 servers on the network
192.168.0.200 diana.undernets.lan
192.168.0.201 jen.undernets.lan
192.168.0.202 amanda.undernets.lan
192.168.0.203 alex.undernets.lan
those are the IP addresses of the servers and their respective hostnames
so if i send a request for anything to just undernets.lan it will fail because there is no record for that. so i added this to the bottom of the zone record
Code:
IN CNAME amanda
thinking that a blank would refer to the top of the zone
here is my named.conf.local which is called in my named.conf
Code:
zone "undernets.lan" {
type master;
file "/etc/bind/undernets.db";
};
zone "0.168.192.in-addr.arpa" {
[Code]....
i want to be able to lookup undernets.lan and it give me the IP address of amanda.undernets.lan
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Apr 7, 2009
Using Fedora 10, can anyone tell me how to setup the network scripts to create two network interfaces for vlan x and y. Both interfaces should obtain an ip from dhcp and both interfaces should run over eth0.
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May 25, 2010
Cannot activate network device eth0!"device eth0 does not seem to be present, delaying initialization".i cannot find my network card while i set up network configuration Now I use dual boot window 7 and fedora 9,I cannot find my network card in select network adapter while network configuration ,i have a network card Atheros AR8132 PCI-E fast Ethernet controller NDIS(620)and for wired in Accer laptop .
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Apr 7, 2009
Can anyone tell me how to setup the network scripts to create two network interfaces for vlan x and y. Both interfaces should obtain an ip from dhcp and both interfaces should run over eth0.
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Aug 12, 2009
I am attempting to setup a network to network VPN tunnel between our main office and a temporary location. This location need full VPN access back to the main office's network.Anyhow we have spent about 3 solid days attempting to make this work without any great success. Here is our network scheme for these two devices.
Network A (Main Office) (OpenBSD using isakmpd)
Network: 172.16.8.0/24
External IP: 1.1.1.1 (obviously not the real IP)[code].....
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Aug 22, 2010
I've currently got a Xen box with 3 Virtual machines on it, in a routed setup. I'd like to put them all on a private internal network as well, which I'm assuming I'd do with a dummy network card and a xen bridge, but I can't find any information about setting up the xen Bridging setup on top of the existing network-route instlal.
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Jun 1, 2010
I want to ssh to a pc in our home network. It is a standard network in terms of a DSL router, dynamic IPs via DHCP, WPA2/PSK security, wireless network connection for all pcs except one which is wired to the router.I got the error "no route to host" from ssh. Openssh-server was already installed. It turned out later that the laptop I want to ssh to (namely the one which is connected by cable) cannot be pinged by any other laptop on the network.
The pc in question (lucid lynx with most recent updates) is online, can ping itself and the router, but cannot ping others in the network and cannot be pinged by them. I suspect a firewall setting of being the problem.
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Nov 18, 2010
I've been learning linux for a while now with half an eye on making a career out of it in future. One sizeable gap in my knowledge at the moment is networking. Is it feasible/desirable to set up a network of virtual machines to use as an environment to learn networking? My budget is non-existent so I was hoping to be able to get a basic understanding of the principles from installing a few desktops, a virtual gateway etc on VMware workstation on my laptop, and doing a lot of reading online.
Is this feasible, or will I just end up learning about virtual networks instead of real ones? Also how much power would be required, because my 3GB RAM lappy has just gone bang and all I have now is a (new) 1GB RAM lappy.
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Feb 19, 2011
I have somehow messed up my network (onboard) card in the process of configuring network settings. how I managed to do so is that I did not use ifdown before making changes to my "/etc/network/interfaces" file. Also I think it might be relevant to mention that the sshd was running -although with no active connections at that time- since I have the service installed on my 10.04 Ubuntu Server (x64). So step by step what I did to end up with no network connection:
1) sudo cp /etc/network/interfaces ~/myfiles/interfaces.original
2) chmod 444 interfaces.original
3) sudo nano /etc/network/interfaces and then applied my network settings (IP, netmask, etc.). The syntax and configuration of my "interfaces" file is without flaw since it was simple, typical and was assigning my up to then DHCP assigned IP of 192.168.2.3 to static.
At about that point and although "ifconfig" showed the changes had been applied as planned the network card stopped working. I could no longer ping anyone but myself and the leds both on my network adapter and on my switch were turned off. Since my configuration also has a Windows 7 installation I rebooted to Windows in hope of troubleshooting through device manager but I got an error code 10 which means that the adapter could not start. Did I fry my network adapter for good and for all or I still have a chance of repairing it?
PS: After a closer look I saw that the NIC's LEDs indicate that the device cannot start. I am considering to reboot my MB as a last resort since the NIC is an onboard device and changing BIOS settings has done nothing to restore it.
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Mar 1, 2010
All i really want to do is be able to ssh into my other linux system. I am not interested in internet sharing, or even file sharing.[linux laptop with unused ethernet port]-windows-mobile-ppc connected by usb for internet-tehtering [linux running on my wii accross the room]-nintendo lan adapter.I want to be able to ssh login to my wii, from my laptop. That is all i want. Do i need a router in between the two for this, or can i just connect them with ethernet cable?No samba, no nfs, no fancy stuff. Just want to be able issue commands from laptop to my wii.
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Jun 7, 2010
I want to setup a wireless network in my lab. Main reason is that I want to be able to print from every computer, but it would also be nice if we can share files. I have three 64 bit machines, a netbook and 32 bit notebook and my internet goes via an Wifi router to which other Windoooze machines connect. I want to change to Lucy now and hope it is easier to setup the network in clean manner.
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Jul 24, 2010
Well I recentelly read some tutorials about "cracking" wep networks, and seems like it's kind of easy ( I Haven't tried'em out since I don't have my laptop right now, but i'll try them as soon as i get it back )So i'd like to change my network protocol to wpa2, but I REALLY GOT NO IDEA on how to do this.Does someone knows about a tutorial on how to do this?
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Aug 23, 2010
I was wondering if there was some "clean / easy / official" way to enable networking during boot up and before a user logs in, other than editing /etc/network/interfaces by hand? Could be useful when away and in need of rebooting and still be able to access the computer, etc. I wouldn't mind doing it by CLI but just wondering if there is a GUI / simpler solution.(On Ubuntu 10.04.1)
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Apr 11, 2011
At my workplace, Ubuntu connects to the wireless internet with no problem at all. When I log into openSUSE or PClinuxOS (the other two distros I use) I can't connect. Is there a way to copy the network files from Ubuntu to at least, not replace, but use as a reference for trying to trouble shoot my other two distro networking issues?
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Jul 29, 2011
How do I setup a network bridge in Linux (Ubuntu)? I want to use my computer as a "router" for my Xbox 360.
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Aug 18, 2010
I'm trying to set up a network in the manner shown in the attached schematic. My problem is the ones hightlighted in purple, everything else is working fine. Could someone give me a quick tips on how this can be done (if at all possible)?The computer the router is connected to will be running linux (ofcourse).
What mode should i set the router to? I've listed the available modes below.Is there any way i can prevent the game consoles (or computers) from being able to contact anything but internet past the router or bridge computer? i.e the bridge computer becomes the only visible gateway?I'd prefer them to have their own ip range behind the bridge computer/router and use the DHCP function in the router, or perhaps setup DHCP on the bridge computer.I would like to be able to view the traffic going trough the bridge computer.What gateway and dns ip setup should i use on the router and the consoles/computers connected to the router?
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Mar 1, 2011
I am familiar with windows 2008 cluster servers, and I just started testing with centos cluster. I am creating a simple 2-node cluster, for a simple ping test.
Node 1: 10.0.0.1
Node 2: 10.0.0.1
Virtual ip: 10.0.0.10
So far, I can ping a virtual ip, and manually relocate it between the nodes, but I didn't figure out, how to do this automatically. So this is my question: How can I setup the cluster, to it automatically failover the a service to another node case one node fails?
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Mar 7, 2010
Trying to set up network sharing between Ubuntu 9.10 and Vista. I already did this with a wired Ubuntu 9.10 desktop and my Vista laptop but for some reason my Ubuntu 9.10 wireless and Vista wireless aren't as easy. They are all on the same workgroup "MAGIC" and I can see my ubuntu shares on the Vista computer but can't see the Vista shares on the ubuntu computer. In ubuntu I go to network>windows network>MAGIC but it times out at the MAGIC workgroup part and says 'unable to mount'.
[URL]
but no luck I also checked and there isn't a firewall that's in the way.
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Mar 29, 2010
I have (adsl router "rebotic") and we are 3 nodes sharing Internet the question is: want make network (exchange files) between me (ubuntu os) and one of my internet members ,and I don't know how can I set up network between us in ubuntu.
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Aug 27, 2010
There is 2 networks that I would like to be part of
a) Through my wlan0 --> Internet DSL
and
b) Through my eth0 --> WUG - PTAWUG
I can only get one of the networks to work at 'n time. The wlan0 works fine when I start my PC, but when I want to access the WUG I need to do the following command:
Code:
sudo route add -net 172.16.0.0 netmask 255.240.0.0 gw 172.24.6.177 dev eth0
with the above command, I can then access the WUG but not the internet through my wlan anymore.all data goes to my wlan as standard unless its on the 172.16.0.0 network
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Feb 6, 2011
I have three PC's. PC-1 is a newish Dell Vostro 320 running Win 7 as the prime OS with Ubuntu Linux 10.10 dual boot under the control of EasyBCD. PC-2 is a Dell Inspiron 6400 running Ubuntu Linux (10.10). PC-3 is an oldish Dell Inspiron 6000 laptop dual booting Win 7 and Ubuntu 10.10. All three PC's share a DSL connection to our ISP and network using the wireless router capability of the DSL box (a Billion 7401 VGP-M). All three PC's can access the internet using the DSL box both wired and wirelessly under Windows or under Linux. PC-1 is the primary PC and runs Win 7.
PC-2 (Ubuntu 10.10) is running fantastically well and can access PC-1 running Win7 as a member of WORKGROUP for print sharing and for file sharing. The primary PC-1 can also see the files on PC-2 as a member of a Windows WORKGROUP. Simple home networking is working as it should with this setup (PC-1 under Win 7 and PC-2 under Ubuntu 10.10). This has been like this since the installation of Ubuntu on PC-2, which included setting up network printing from PC-1 (Win 7) under Samba.
The problem is thus: If I boot PC-1 or PC-3 up under Linux, I lose all networking capability between the three PC's including print and file sharing, but they can all access the internet through wireless or wired connection. I have configured Samba and done all the home networking troubleshooting especially:[URL]..All to no avail. As I said, my aim to ditch Windows and move all three PC's to Linux but I can't do this unless I can get Linux home networking working properly. By properly, I mean all PC's running Linux or two under Linux and one under Windows 7 and be able to share files and a printer attached to PC-1. I am a Linux virgin and am hoping that a knowledgeable person can tell me what's going wrong and point me to setting up a simple home network under Linux. It shouldn't be this hard.
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Apr 11, 2011
At my workplace, Ubuntu connects to the wireless internet with no problem at all. When I log into openSUSE or PClinuxOS (the other two distros I use) I can't connect. Is there a way to copy the network files from Ubuntu to at least, not replace, but use as a reference for trying to trouble shoot my other two distro networking issues?
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Dec 19, 2008
I work for an organization on which is growing up with pcs, I set up a linux but with a class c net (192.168.1.0/24) and dhcp for 250 clients, so my question is, how to change from class c to class b since now the org have now 300 pcs that need to be connected each other with printers and everything.
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Aug 16, 2010
I have a fresh install of Centos 5.x and I'm having issues on setting up the network...i know i have to edit/etc/sysconfig/network-script/ifcfg-eth0 and create an ifcfg-eth0:0 right?im just having issues getting everything setup correctly.my network setup:Router IP: 192.168.2.1IPs on network: 192.168.2.xNetmask: 255.255.255.0
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May 31, 2010
I just switched over to ubuntu 10.04 LTS Netbook Edition from Windows XP and I am wondering how to setup a home network and share files with other computers in my house? I tried going to Preferences -> Personal File Sharing. But the options for 'Share Files over the Network' is grayed out. The message is "This feature cannot be enabled because the required packages are not installed on your system."
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Dec 22, 2010
i have limited experience with Ubuntu and Linux for that matter. i know my way around for the most part but i come from windows. anyway. i have 6 dell gx260 computers. i also have a netgear 8 port Ethernet switch. now im just trying to get the computers to see each other. simple for me in windows. but i have no idea where to start here. it just says connecting to eth0 then network disconnected. and thats it. for now im just working with 2 of the computers. the others are not set up yet. i have been googling for 3 days and got nothing that helps. (my goal after they see each other is to share files back and forth. and also to have one of them control the others with some type of remote desktop. but thats for another day.)
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