Managing and using network connectivity on a Ubuntu system

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1answer
797 views

Share ppp0 internet connection via wireless modem

I have a wireless router / ADSL modem and a 3G card that I use to connect to the internet over PPP. I want to be able to share my internet connection (ppp0) to my laptop via the wireless router. So ...
11
votes
1answer
3k views

Automatically disable wifi (wireless) when wired?

What's the best way to automatically disable my Wifi/wireless connection whenever I plug in a wired Ethernet cable? I'd like it to be re-enabled when I later unplug the wire. Also, I sometimes like ...
0
votes
1answer
221 views

Problems compiling Wireshark from Source (SVN) during .calling /configure

Today I've tried to compile Wireshark locally (no make install) from SVN as I've done before. When I call .configure I receive an error, that the file gtk/doxygen.cfg.in was not available: ...
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2answers
4k views

Bridge/route a wireless connection

I was trying to follow this guide: https://help.ubuntu.com/community/EasyWirelessToWiredConnectionSharing but it does'nt seem to be upgraded. The dhcpd.conf file is in /etc/dhcp and not in /etc/dhcp3. ...
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2answers
715 views

How do i enable mobile networking by default?

I use a USB-Modem to connect to my PC to the Internet. But every time I connect it via USB, I have to enable mobile broadband via the networking applet on the task bar. I know it's not much work to do ...
2
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2answers
5k views

Network GUI Tools in 11.10+ (Whois, DNS Checker, Trace Route, etc…)

In older versions of Ubuntu there was this "Network Gui" program that had a whois option, Tracing, pinging and all the terminal commands for network but in GUI. If I can recall, I think it was before ...
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2answers
1k views

No mobile broadband connection on ubuntu 11.10

I installed ubuntu 11.10 and from start I have no mobile broadband in my network indicator. It used to work form live CD but when I installed it, mobile broadband wasn't listed at all. When I plug ...
3
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2answers
205 views

Making ubuntu try-able by other systems on the network using Network Boot?

I'm wondering if a ubuntu pc can act as a server to provide the ability to network boot ubuntu's live cd to other system(s) in the network. To make my question more clear: From Wikipedia's article ...
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3answers
5k views

How do I correctly install r8169 Network driver?

My network driver drops out within a short time of logging on. The situation is explained more readily in the following forums thread which has not been replied to as yet. ...
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1answer
476 views

How do I setup ethernet-only SSH?

On my pair of Ubuntu systems, a 3 MB file transfer via Nautilus 2.32 over SSH takes about 15 seconds between two computers with identical wireless cards 2 meters apart. Larger files take ...
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1answer
1k views

How do I set up a network bridge?

I have a wireless connection through my laptop that I am attempting to bridge through an ethernet cable to my xbox. So far I have not found anything online that explains how to do this. Can anyone ...
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2answers
385 views

I want to synchronize accounts & desktops between the Ubuntus in my home

In my home we have a number of PCs, all running Ubuntu (except one which runs Mint). Is there a way to automatically synchronize the settings and home-directories of the computers. That way any ...
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2answers
1k views

How to make an internet server as firewall using ubuntu 11.10

i have one static broadband connection which is coming to my Ubuntu server with 2 lan cards, there are 10 more PC's to which i need to provide internet connection through Ubuntu server as well as i ...
3
votes
1answer
366 views

When both wired and wireless network connections are active, which one is used?

I imagine that most applications don't even notice that I have two network cards. They ask the kernel to open a socket and they're happy like that. Transparency is great. I'm left wondering: when I ...
3
votes
3answers
12k views

How do I set a static IP address?

My eth0 is using DHCP to get IP address for Internet. However I still need to set some static IP for my LAN. The following is my setting in /etc/network/interface. Any problem on the script ? I ...
2
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2answers
2k views

Network Administrating Software (Similar to ClearOS)

I am looking for a network administrating software that is similar to the ClearOS in this link: http://www.clearfoundation.com/Software/screenshots.html Of course the software should be for Ubuntu or ...
2
votes
1answer
519 views

11.10 Server does not reconnect to network after router reboot (DHCP or Static IP)

If I reboot the router (Netgear DGN2200) my Ubuntu 11.10 Server box does not reconnect to the network. This is over a wired link either with a reserved IP Address over DHCP or a static IP Address ...
0
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1answer
224 views

Ubuntu 11.10 crash - Wireless [closed]

I have Ubuntu 11.10 and my system crashes after about 10 minutes. I think it is something to do with my wifi. I have Intel Centrino 6250 AGN + WiMax wireless chipset. I get the following error on the ...
4
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1answer
75 views

Is Ubuntu a European Union standard?

I mean, is the EU using ubuntu as the main operating system for its IT systems? I had read somewhere a while ago that this was the case? I am looking at pushing ubuntu as a file server for a small ...
3
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1answer
219 views

Block internet browser from one user

I was wondering if there is a way to block the internet tab (applications/internet) from one user. I am trying to allow games to use the internet but not allow the use of browser.
0
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1answer
2k views

Application for sharing mobile broadband with other computers(hotspot) [closed]

I would like to know whether we have any application in ubuntu software center for sharing mobile broadband across other computers, making my computer act as wifi hotspot. If there are no ...
2
votes
1answer
474 views

How to disable/disconnect LAN cable during startup

How to keep my LAN (Ethernet) connection disabled during startup.. Coz when I login to system it is automatically enabled i dont want that due to some security reason. Want howto in both ubuntu ...
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3answers
1k views

Fry's FR-300 USB Wlan Driver

I have been searching all over the internet but I can't find any clues to where I could find a Fry's FR-300 USB Driver. (If it exists) When I run lsusb The vendor and product # is 07d1:3304. I can't ...
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2answers
13k views

Can't enable wireless in Ubuntu 11.10

i'm using lenovo b570,it has got bcm4313 wlan chip from broadcom corp... the problem is that i'm not able to "enable wireless" from gui. even if enable wlan0 manually from terminal "ip link set wlan0 ...
0
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1answer
762 views

aufs Root File System On Usb Flash

I configured aufs as a Root File System On Usb Flash Drive by this article. So the first brunch is real root FS and it is read-only. The second brunch FS is in memory and it is read-write capable. ...
2
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1answer
1k views

MinimalCD Network autoconfiguration fails

I'm attempting to get an Ubuntu MinimalCD Install working without much luck.. Working from the guide posted here I can get the CD to boot and I select the Command-Line Installer option. After ...
6
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1answer
4k views

vpn (pptp) service failed to start [closed]

When I try to connect to a VPN PPTP connection from Network Manager it fails with this message: vpn connection failed because the vpn service failed to start. It worked without any problem till I ...
1
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1answer
1k views

Log destination IP with iptables

I want to log destination IP addresses in my Ubuntu router. I have two network cards eth0 - 10.0.101.254 eth1 - 10.0.101.253 10.0.101.254 is the GW for all hosts on my network. The router ...
2
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1answer
108 views

Discovering people connected on hub network [closed]

Sorry, I'm really newbie on ubuntu matters. Is there a way of discovering everyone connected on a hub with wireless network (IP and name)?
4
votes
1answer
1k views

Open port 5000?

Yesterday I tried to use this heroku command: heroku run db:migrate and after a long wait it said that it was in timeout After many tries I've googled about this and I found that, since also other ...
2
votes
1answer
607 views

Migrate windows 7 network drive to Ubuntu 11.10 for use as a file server

On my network (7 computers with windows 7 Pro) one of the computers has a partitioned HDD and sharing that partition as a network drive for all other users to access. All other computers have a that ...
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2answers
939 views

DSL network connection problem in ubuntu

In Ubuntu 10 How can I've access to internet through my DSL network.In windows7 I'vea network dialer, I just enter user name & password.In ubuntu I've created a dsl network ,In the add section ...
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1answer
132 views

Installed Ubuntu via Wubi, upgraded, now my network card appears to be fried

Okay, so here's what's been going on: I installed Ubuntu via Wubi yesterday, worked fine. Installed Gnome shell, etc, etc. I was on it today, noticed there were a tonne of updates to install, which I ...
0
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1answer
629 views

Use local network while VPN'd into another network

So I'm at work and I VPN into a remote network. Both networks have their own DNS servers that have hostnames that resolve to internal IP's. I've set it up in network manager so I can ping internal ...
2
votes
1answer
1k views

How to disconnect internet when VPN fails?

Normally I'm connected to the Internet with a VPN, but sometimes it fails and some programs may automatically start to use the default unsecure connection. How do I disconnect all the internet until ...
4
votes
1answer
6k views

Map Ubuntu drive to Windows machine

So there is plenty of answers to the opposite question but I need to be able to access and modify my files on my Ubuntu machine from my Windows 7 machine. What have I tried already? It looks like I ...
2
votes
1answer
2k views

Is dhclient.conf used during boot when bringing up network interfaces?

I am running Ubuntu 11.10 32bit Server on a single-board computer. I want the option of using the Ethernet interface (eth0) as a backend to control the computer if it's connected. I'm also lazy: if ...
5
votes
4answers
510 views

Can i use Ubuntu 11.10 for netboot?

can i use an Ubuntu 11.10 for netboot over PXE? im aware of the LTSP and other similar proyects, but i dont find information using ubuntu 11.10 (the latest)
5
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7answers
17k views

Internet very slow in Ubuntu

I have ubuntu 11.04 as the os, both surfing the net and downloading stuff is a pain, it is really slow. I have turned ipv6 off, my connection is properly configured, but still it is very slow. I ...
1
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1answer
469 views

How to set iphone tethering interface as default gateway

I am able to do the iphone usb tethering under ubuntu(11.10) which will be recognized as eth1 interface (I also have an eth0 internet connection). What I want to do is, when the eth1 is up, I want ...
0
votes
1answer
2k views

Cannot ping/ssh computers in LAN (including gateway) but can still access the internet

Hello people from AskUbuntu: As the title says, even though I can access the internet, for some reason, I can't ssh/ping computers in my LAN. In addition, only computers from outside the LAN can ssh ...
1
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0answers
36 views

How can I increase the bandwidth sharing between processes? [duplicate]

Possible Duplicate: Is there a way to limit the bandwidth that Software Center uses? How can I increase the bandwidth sharing between processes? I mean, sometimes i am updating ubuntu and ...
3
votes
1answer
623 views

What does 'webmin' come up in the netstat/lsof listening ports?

I have my own server application in C, I bind my server on localhost address 127.0.0.1 and let it listen in first case on port 10000 and in second case on port 20000. When I run command I lsof | grep ...
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2answers
668 views

Firewall configuration and consequences

I'm using Ubuntu 11.10. And I want to know something about firewall in Ubuntu, because I want to know if it could be the reason why my application doesn't work properly. Little background: I'have ...
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3answers
7k views

How to Connect to internet in Ubuntu?

I have installed ubuntu . I have a pppoe modem through which I use to access the internet on Windows. I tried to configure the modem on Ubuntu using sudo pppoeconf but it fails and says Sorry, I ...
2
votes
2answers
2k views

Wireshark problem. Can't select default interface [duplicate]

I downloaded Wireshark from the Ubuntu 11.10 software center and when I start it and want to select default interface for capture in the list of interfaces are blank. I can't select default interface. ...
4
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2answers
7k views

How to reduce TCP latency for gaming?

I use Ubuntu for gaming. In competitive gaming every millisecond matters. I know that many people who use Windows use something called Leatrix Latency Fix which is basically a script that modify ...
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3answers
2k views

Printers get signal - but why don't they print in 11.10?

(refers to Ubuntu 11.10 Oneiric) I set up a printer connected via USB (Canon MP630) and a network-printer (Brother HL-2030 via Fritz!Box 3270). When I try to print something the files get sent to the ...
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2answers
2k views

Creating An Ubuntu Network For Dummies

I want to hook the two Ubuntu computers together vie an Ethernet cable. I would like to access both via one monitor and keyboard. Is there a quick and easy way to do this? What are my Ubuntu ...
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6answers
27k views

How to get the hostname from a DHCP server

I want Ubuntu to get the hostname and DNS name from a DHCP client. The default installation of Ubuntu 11.10 (Oneiric Ocelot) does not do that. The same question was asked and is unsolved on ...