Ubuntu Networking :: Sharing Network Connection From Laptop To Desktops?
Nov 21, 2010
I got a laptop with wireless. Next to it I got 2 desktops, neither of which have a wireless card and I don't have any usb wireless adapters or anything. I do however have an ethernet cord. In the past I was able to set my eth0 connection to be "shared to other computers", then from my laptop I could run the patch cable to the desktop and voila, internet to the desktops.
For some reason though, now whenever I try to connect from the desktops, there are 2 green circles and a little blue circley thing going around them. it spins for a while and then says disconnected. Also, now if (on my laptop) I connect to the wired network, my wireless stops working. I'm kind of stumped here, I tried deleting both connections from both computers, setting everything up again, and connecting, and I get the same problem. Also seeing as how I'm trying to troubleshoot this from my laptop and watch this thread, I can't exactly mess around with it much right now or I won't see any replies.
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Oct 10, 2010
I am looking for information on how to set up my laptop (running ubuntu 10.04) as a wireless access point for other wireless computers, through a mobile broadband usb device. My reason for wanting to do this: i have a mobile broadband verizon usb device for connecting to the internet when a regular wifi connection is not available. however, my wife does not, and it would be nice if she could use her wifi to connect to my laptop wifi and subsequently share my mobile broadband connection. Independently, I have no problems with wireless connectivity using wifi or mobile broadband, I am simply unable to figure out how to configure the two to work together in such a way as to create a wireless access point via my laptop.
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Aug 4, 2010
Here's the setup:
I have 2 laptops:
1. Dell Inspiron 8600 with an intel 2200BG wifi card (Ubuntu 10.04)
2. Asus eeePC 1000 (Ubuntu 9.04)
Internet setup:
Laptop 1 connects to a 3G connection and shares it with laptop 2 using an ad-hoc network.
I upgraded to Lucid on Laptop 1. Prior to the upgrade everything was working. Now, when laptop 1 tries to connect to the ad-hoc network it almost immediately disconnects and tries to reconnect again.
Ad-hoc network settings:
The ad-hoc network uses a WEP key. In IPv4 settings, "Share to other computers" is selected.
Dmesg output:
Code:
are: requesting ipw2200-bss.fw .....
** (nm-applet:4259): WARNING **: _nm_object_get_property: Error getting 'Default' for /org/freedesktop/NetworkManager/ActiveConnection/327: (19) Method "Get" with signature "ss" on interface "org.freedesktop.DBus.Properties" doesn't exist
** (nm-applet:4259): DEBUG: going for offline with icon: notification-network-wireless-disconnected
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May 30, 2011
i connect to the internet on my laptop using a usb modem. i want to share this connection with other computers. connected through lan cable. i want to manually assign ip on all computers. what should i do
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Jan 1, 2010
how to change the IP range provided by default by Network Manager / dnsmasq from 10.42.43.-- to something else?
I have setup a working network using a Bell wireless modem (Canada) and Network Manager in 8.10, 9.04, and 9.10.to do Internet connection sharing. In 8.10 the only way I could get it to work was with WICD and KPPP, many hours spent on this one. I got it to work in 9.04 and 9.10 using network manager, but certainly not out-of-the-box. If someone would like some tips on how I did it, in each case, let me know.
My current challenge is trying to set the dhcp range of dnsmasq (which I am 99% sure is what is handing out addresses) from th 10.42.43.-- address range to a 192.168.0.-- range.
I HAVE edited /etc/dnsmasq.conf and can get the edits to this file to break the setup (dnsmasq will not start) but have not been able to get it to change the IP address range.
It seems that either this file is ignored, or overridden by some other process. I have looked at the very good post at [URL] about dnsmasq but this does not do the trick.
By the way, the way I can get this to work is to start NM, establish my cellular internet connection, then kill dnsmasq then establish my ICS network (on eth0). If I don't kill dnsmasq, then it does bring up the connection, but it then shuts down in a matter of seconds. It is all very manageable using a launcher (kdesudo pkill dnsmasq) on the task bar, but not all that elegant.
the IP range and where this is provided to Network Manager or the network itself is my real question now.
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Dec 1, 2010
I've got access to my LAN and the Internet via my wired ethernet connection. I'd like to share that access with my iPod Touch (device shouldn't really matter) via an Ad-hoc wi-fi network.
This tutorial in the docs seems to describe the right setup but is very out of date (7.04). Instead I found this tutorial and followed it to create the Ad-hoc wireless network. I was able to connect my touch to the resulting ad-hoc network without a problem, but I didn't have LAN/Internet access.What's the next step to get the clients on the ad-hoc network out to the Internet?I found this page in the docs that says I'd need to install dnsmasq-base and uninstalling dnsmasq. I checked and dnsmasq-base is already installed but dnsmasq is not. I do have dnsmasq in /usr/sbin but the package description makes it sound like this should come with dnsmasq. Is the page out of date? Will uninstalling dnsmasq cause other problems?
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Dec 21, 2010
I'm trying to share internet connection with my wifi capable mobile device. For that I'm creating ad-hoc wifi connection in networkmanager with 'shared to other computers' ipv4 option. And there is the problem - the device cannot get the setting via DHCP. The firewall is adjusted properly by NM, dnsmasq is started. I've looked at dnsmasq arguments string and found that the temporary config file which is provided by NM is empty. So, where else should I look for a possible reason or should I just post a NM bug?
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Oct 14, 2010
How do I tell the shared connection that it has a static IP and that I dont want a DHCP on the network?Do I have to set up DHCP on the box with the shared connection, even if that box only runs DHCP for a single IP address being the eth0 that is shared?Or can I tell the shared connection that it has a static IP and still allow network manager to run the shared connection?Or should I specify static IP's for all clients and the shared network manager and install say firestarter on the gateway to run the NAT for the eth0 out to eth1.
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Dec 12, 2010
I have tried to mount an HP laser printer on my home network through a VPN IPSES connection from my laptop, but I cannot manage to see the printer or make it accept commands.
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May 9, 2011
share internet connections with clients on the above os
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Dec 6, 2010
I am looking to share internet between a Laptop + 2 computers and carn't for the life of me figure it out and looked around and seem to come stuck with a answer. This is how it's set up.
Routers
-------------------------------------------------------
Talk talk Router (Internet Enabled) - downstairs
Talk Talk router (No internet ) - Upstairs
-------------------------------------------------------
[code]....
how i need to enable the EEEPC to share the net
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Jun 11, 2010
These problems just started the last couple of days but I have been using Lucid 10.04 for a month now. My wireless Signal varies in strength wildly. I sitting at home, not 20 feet from my router. I never had these problems before Ubuntu Lucid Lynx 10.04. I am running both Network Manager and Wicd.
Errors:
1. Wicd states "Wrong Password" which is not true.
2. Dropping off-line for no reason, sometimes 3 or 4 times a minute and sometimes it works fine for hours.
3. Firefox 3.6.3 Automatically Checking "Work Offline"!?
[Code]...
I have the Proper Wireless Drivers. I have not changed my wireless settings, channel or WPA for 8 months now so I know thats not it.
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Sep 11, 2010
I followed these steps to try and connect my Desktop(Ubuntu) and Laptop(Win 7) together so they could share files.
Code:
sudo apt-get install samba
sudo su
cp /etc/samba/smb.conf /etc/samba/smb.comf_default
gedit /etc/samba/smb.conf
[code]....
sudo su was not originally in the steps but it wouldn't give me permission to edit the samba file unless I did.Also at the end it said command not found or something like that when I tried to restart samba, so I just logged out and then back in.So now I can identify Ubuntu and Win 7 from on each other, but I can not access either of them. Ubuntu goes into windows network, then workgroup, shows the computers on the network but when I try to access one this comes up:When windows tries to access Ubuntu it request for username and password. I type it in but it does not recognize it.
P.S. I allowed the Documents folder on Ubunto to share across the Network, and while it shows up in along with myshare on Win 7, it still requests for username and password.
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Jan 31, 2011
I have two computers on my Wireless Local Area Network. One is a desktop and the other is my laptop, once I have enabled file sharing on my desktop, How do I connect my laptop to the file share?
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Jun 14, 2011
I have done the ICS in my ubuntu 10.10 according to this article using eth0 connecting to wan router and eth1 connecting to the lan switch. Everything works fine.I have an open vpn connection which have full tunneling through the server. I want the vpn connection to be shared on the lan, and every internet connection will go through the vpn server. If I change the eth0 to tunnel adapter in iptables forwarding rule, will it work?
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Feb 5, 2010
I am using Ubuntu 9.10 and trying to use Internet Connection Sharing through my Dell Mini 9 laptop.
The incoming internet is from wireless The outgoing internet is from Ethernet I am using a crossover cable as I have heard this is necessary I followed the 9.10 method on my Auto Eth 0 connection Here is a link to the Ubuntu Documentation I used The computer I am trying to share to does not pick up the internet being shared from the cable.
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May 10, 2010
I need to share internet from my dsl connection to laptop (who is using windows) through my wireless usb d-link gwl-122. How to do that?
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Aug 4, 2010
I want to use the wifi card in my laptop to share my internet connection to my Android Phone.Android phones don't support Ad-hoc networks yet (maybe not ever) so I need to the shared network in Infrastructure mode not ad-hoc mode.Using Ubuntu 10.04, If I click on the NetworkManager Applet ( 0.8 ) and select Create new wireless network, it will create an ad-hoc network, I then tried changing this to infrastructure, but it didn't work.Is there some way of modifying this created network to make it appear as infrastructure, or alternatively create a shared internet connection in infrastructure mode?
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Oct 25, 2010
ubuntu recognizes the router im using that goes to my ps3 but for some reason i cant link the router to my internet connection.
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Mar 5, 2009
A friend of mine is trying to setup internet connection sharing in Ubuntu, which is something I've never dealt with before. Here's the situation:One desktop PC is dual-booting Ubuntu and Vista. This box is connected wirelessly to the router and can access the internet just fine. The desired setup is to have an xbox360 connected (wired) to the desktop PC, allowing it to share the internet connection.
1) A crossover cable would need to be used between the desktop PC and the xbox.
2) The xbox would still have the router's internal IP as the default gateway (I have zero experience configuring networking on an xbox... I hope these options are easily available).
3) The internal IPs can all be on the same network (i.e. router = 192.168.1.1 ; desktop = 192.168.1.100 ; xbox = 192.168.1.101)
4) IP forwarding would need to be enabled on the Ubuntu host
Is there anything I'm overlooking or just oversimplifying, or should that just about do it?
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Feb 4, 2010
I have two linux laptops. Currently, I'm using both of them at work, side-by-side. Now the problem is, I'm connected to a wireless router, but the wireless only works on one of the laptops. So I'm stuck with one laptop that has no access to the internet. Both machines do, however, have working ethernet nic cards. So, I was wondering if I could use the laptop with the wireless connection to share the internet connection with my other linux machine and access the internet on both of them. Or as an alternative, just use the internet on the machine without wireless and be able to switch back and forth, that would increase my productivity like 30 fold.
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Aug 9, 2010
I recently got my D-Link DWA-556 pci card working with my new desktop with Ubuntu 10.04 64-bit. Connection speed is good, but local network file transfer speeds are pitiful. I'm trying to copy some files from my laptop(also running 10.04) and I'm getting around 300-500 kb/s, which is actually lower than my typical download speeds. Anyone know what the problem might be? output of iwconfig is this:
Code:
wlan0 IEEE 802.11bgn ESSID:"linksys"
Mode:Managed Frequency:2.412 GHz Access Point: 00:1D:7E:59:04:0E
[code]....
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Jan 16, 2011
I just want to use Internet Connection Sharing (ICS) to connect to the internet. I have done a massive amount of troubleshooting, but some of it seems to contradict itself, and the only two things that I know for sure are that it used to work, and that my Ethernet cable is not the problem. When I use Terminal utilities like ifup and dhclient it seems that it can not determine IP information, but when I try to put it in manually, the "Apply" button grays out right after I finish typing it in. When I try to connect normally, in KDE or GNOME, the icon acts like it's connecting, then instead of having the connected icon, I receive a notification that "the network has been disconnected", and it goes back to the disconnected icon.
Oh, and by the way, I know that I could probably find a workaround, but I have limited resources, and this used to work. The Linux is a Dell desktop with Fedora 12 and the Windows is a Windows 7 HP laptop.EDIT: I hope that I didn't mess something up, but I accidentally used system-network-config to try putting in the IP address there, and ended up changing it back to the original settings, but the computer is now calling it Auto Ethernet in the taskbar icon, although sudo iwconfig in the terminal still calls it eth0.
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Jan 27, 2010
I've got wired connection on my ubuntu and I set up a wireless network so I can share internet with other computers. I added another computer to the network, but it's asking for:
* an IP address
* router address
* subnet mask.
Where can I find these values?
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Feb 5, 2010
At my home I am using firestarter to connect my XBOX 360 to the internet and it works perfectly, never crashes etc and I get a moderate NAT which I've never experienced any problems in having.
I have my devices set up like this
eth0 - ifconfig eth0 192.168.2.1 netmask 255.255.255.0 broadcast 192.168.2.255
XBOX - 192.168.2.10 netmask 255.255.255.0 broadcast 192.168.255 gateway 192.168.2.1
This configuration works perfectly on my router at my house which has the IP of 192.168.0.1
However at my friends house he has a router with the IP adress of 192.168.2.10 or 192.168.2.7*, I don't remember exactly but I'll find out tonight. I have tried changing my IP settings on my xbox and eth0 to no avail. I noticed instantly that the XBOX IP is the same as my friends router. what the new settings would be, or simply changing the router's IP.
However there is also an issue with the DNS servers. I can't find them anywhere on the router or on the router box itself. I heard that I could point it towards my default gateway however.
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Feb 18, 2010
How to share internet between two ubuntu PCs via bluetooth?
I have a Desktop and a Laptop. Their Configuration is as below:
Desktop:
Laptop:
Internet Connection: I want to use my desktop internet connection via blutetooth for this computer.
So the question is that how to share internet connection between these two Ubuntu computers via Bluetooth?
Remember that:
I've seem that HOWTO about connecting ubuntu PC to internet via mobile phone. I don't mean that!
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May 4, 2010
i have an evdo connection with which i connect to the internet. i have been trying to share this connection for quite a few days from my lucid machine to a windows 7 pc but have failed. i have tried dhcp3-server, firestarter, network manager's built in capabilities but have failed! today i manually configured da windows 7 pc to an ip address within da range which network manager ws assigning when 'shared to other computers' ws selected and it worked! Now da question is how do i do it automatically? dhcp3-server never starts, it always fails with the error 'not configured to listen' or sumthng like it! Plus i want the wireless of my laptop to make an ad hoc connection to my mobile fone, which is also no possible...i think its some problem with da dhcp server.
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May 28, 2010
i'm totally new to Linux and Ubuntu. I own a huawei 3g modem through which I connect to the internet. I plan to share the internet from that connection between my Vista pc and another pc running Ubuntu Lucid Lynx. The computer I plan to use to share the internet, let me call it Server, is equalling running Ubuntu Lucid Lynx. My Server perfectly recognises my modem and connects to the internet using it and I can browse.
I plan to connect the routers internet port to my Server using my servers network card. Then i intend to let the router do the sharing of the internet to the other computers on its own. I don't have any idea how to go about doing this. Originally, I tried a direct connection between my Server and the other pc running Lucid Lynx without bothering with the router and using the following settings which i found on an online tutorial:
Server ip 192.168.0.1
netmask 255.255.255.0
and no gateway
then on the client
client ip 192.168.0.5
netmask 255.255.255.0
gateway 192.168.0.1
I used open DNS servers for the DNS
However, i was unable to browse the internet from the client even though a connection between the two was established. Then I thought to myself, why go through this trouble, I have a router so why not go ahead and use it. But then I do not know how to do that. Using the router will enable me to effortlessly connect all my computers irrespective of operating system and ease the network creation process.
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Jun 20, 2010
I'm trying to share the internet connection of my Windows XP Virtual Machine (virtualbox) to Ubuntu. I know it sounds weird, but what happens is that i'm using a 3G modem to connect to the internet and 3G connections are still very unstable with ubuntu's network manager. Fortunately, the modem works a lot better with my Virtual Machine. I have already set up a "host only" network between my Windows XP guest and my Ubuntu host and i can they can ping each other but i still can't share the connection of my virtual machine. I already selected "share this connection" on win xp but i think i still have to configure something on ubuntu for it to work. The interface Ubuntu uses is vboxnet0 (not eth0).
This is the last thing to do before i can get rid of my Windows XP partition
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Jul 25, 2010
May I ask if I can share my mobile broadband connection via Wifi?
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