Managing and using network connectivity on a Ubuntu system

learn more… | top users | synonyms (1)

0
votes
1answer
627 views

Cannot connect to internet with ubuntu 11.10 wired connection

I installed Ubuntu 11.10 on my Dell Optiplex 745 today. I could not connect to the internet with the LiveCD, but I installed it anyway. It still doesn't work. This is the first time linux has been ...
1
vote
1answer
645 views

Force real network usage - disable loopback interface for applications

I am trying to test some network properties with a (partially self written) tool chain. As I would like to use one device with two WLAN adapters / interfaces, I have to prevent communication over the ...
0
votes
2answers
919 views

How to set up simple static Ethernet connection?

System A has Wi-Fi Internet access and an Ethernet port, while System B has just an Ethernet port. I connected the ports directly to each other. Both are fairly modern desktop PCs running Ubuntu ...
3
votes
1answer
394 views

How to prevent NetworkManager from taking control of a specific network interface?

I want to set up a mesh network using batman-adv, but NetworkManager keeps taking control of the second adapter... I need to be able to selectively tell NetworkManager not to manage one specific ...
0
votes
1answer
1k views

How to update ubuntu 12.04 through squid proxy server at my university?

I wish to update the local package index with the latest changes made in repositories and am using following command : sudo apt-get update On executing this command I get several error messages ...
1
vote
1answer
149 views

vidalia fails to anonymize despite showing green onion

Here's what I have done: sudo apt-get install vidalia and it has been installed after that I've set the proxy settings in network to localhost:8118 and applied it system wide; however, when I want ...
3
votes
1answer
2k views

Wireshark - allow non-root user to sniff USB traffic

I'm trying to capture data transferred across a USB connection to reverse-engineer the protocol used. I'm using wireshark to do this, which explicitly warns against running as root. So far, I've ...
1
vote
2answers
6k views

Problem connecting to wirless internet - computer will not boot with networking unless ethernet cable is connected

Ubuntu server 12.04, fully updated, with lxde installed... I have a problem with my wireless connection and don't know how to solve it. I can't get any networking at all unless I plug the ethernet ...
1
vote
3answers
2k views

aircrack-ng channel problem under 12.04 LTS

I would like to test security of my home wireless network, but I have lot of troubles with aircrack-ng. I am using 12.04 LTS, linux-3.2.0-27-generic-pae. My wireless card is BCM4311 (14e4:4311). ...
1
vote
1answer
4k views

I can Ping, Dig, but I can't browse [closed]

I've searched for 5 days on the Internet for a solution to my problem, and I already did almost everything, and I still have no positive results. I installed 12.04 LTS in VirtualBox. I'm using ...
4
votes
0answers
464 views

Asking for a SSTP connecting configuration file for using SSTP command line [closed]

Using sstp with Network Manager and DNScrypt stopped working on Ubuntu 12.04 DNSCrypt and Network manager and using Unblockvpn's SSTP - http://sourceforge.net/projects/sstp-client/ Connects the ...
2
votes
1answer
1k views

What does the asterisk in the netstat output mean?

# netstat -at Active Internet connections (servers and established) Proto Recv-Q Send-Q Local Address Foreign Address State tcp 0 0 localhost:30037 *:* ...
2
votes
1answer
3k views

Server Won't Ping Outside Network

I just installed Server 12.04 onto a spare desktop. Everything is working good except when I try to ssh using my external ip address. My /ect/network/interfaces file: # The loopback network ...
1
vote
1answer
442 views

I don't know how to configure usb modem for huawei 3g mobile network of cat cdma

Please help me someone who know how to configure it: CAT CDMA, HUAWEI C880/EVDO 3G Network:USB Modem I don't know how to configure to connect it. Please help me if someone who know about it.
0
votes
1answer
56 views

How to use deviantart on ubuntu?

I have ubuntu, and I'm trying to chat like I normally do on deviantart, with more than one chat open at once. However, I cannot use tab normally (the tab button makes the cursor vanish rather than ...
0
votes
2answers
2k views

Wireless connected but internet not working, modem is fine because I'm typing over wifi on my android

I can't connect to the Internet in 11.10. I tried switching my wifi card to another USB slot but nothing changed. Is it possible that the card is able to connect while not being able to receive ...
1
vote
3answers
3k views

How do I add my network drive to Wine to use applications from there?

I am a new Wine user. I have a Windows PC that is sharing files to my Linux machine. I can see the stuff that I shared from my network directory but in Wine I want to be able to use those exe's that ...
2
votes
3answers
837 views

How do I get a Tata photon VME-102 USB modem working?

My ubuntu 12.04 is unable to detect my tata photon VME-102 usb model but the same usb is working fine in windows. when i use the connection manager to create connection it shows that no usb is ...
1
vote
1answer
2k views

ubuntu 12.04 server doesn't resolve local domain name

After apt-get upgrade this morning, my Ubuntu 12.04 web server does no longer resolve a domain name hosted on it. I also received the error message: "resolvconf: Error: /etc/resolv.conf isn't a ...
2
votes
1answer
277 views

Windows computers cannot see my Ubuntu machine?

Well I have a Windows machine and also a Ubuntu laptop, my Ubuntu laptop can see everything in the network, but Windows cannot see Ubuntu. Please remember that I am an absolute beginner to Networking ...
0
votes
1answer
88 views

internet not running on ubuntu server 10.04

I am not able to connect to the internet via VM Virtaul Box. These are my configurations But i can ping to the sever via window CMD
1
vote
1answer
826 views

Laptop as wireless access point

I have a VAIO Laptop running Ubuntu 12.04 (64 bit). I use a wired internet connection. I want to share this connection using my laptop's wifi as access point. How can i do this?
7
votes
1answer
5k views

Why isn't ethernet bridging working with OpenStack?

I'm trying to setup OpenStack with the nova.network.manager.FlatManager network manager which attaches (in my setting) every virtual machine to the br100 network bridge. On my host, I'm using the ...
0
votes
2answers
2k views

How to tunnel traffic to certain destinations over ssh?

I'd like to send traffic destined to certain ip/subnet through one ssh socks5, while routing other traffic through another socks5 tunnel. I'd tried tsocks with following configuration: path { ...
4
votes
1answer
263 views

All my bandwidth eaten up - report included

I have my network bandwidth eaten up totally. Whenever I connect my network, without any application being opened it is always full. I have prepared report of iftop, nethogs and network system ...
2
votes
0answers
726 views

12.04 can't connect to wired network/ crashes

I've tried the server and desktop version of 12.04 and I get the same issues: Entire system crashes while trying to install updates Loses ability to connect to network (usually after a crash) I ...
0
votes
1answer
135 views

Machine “Vanishing” From Network

Forgive me if this has been asked/answered, but I've searched without success. Just set-up a 12.04 machine on my home network with the objective of using it as an in-house development/staging server. ...
0
votes
3answers
468 views

How can I monitor Windows XP internet history over a network? (Im ubuntu 12.04)

I believe my daughter is visiting websites that she shouldn't be on. She does that from a desktop with Windows XP. Is there a program that will let me view what websites she visits over a network ...
1
vote
1answer
837 views

freenx sound fw

How can I get sound forwarding from a 12.04 to a 12.04 ubuntu machine ? I have tried a couple things I found on google, but none worked. There were not targetted towards ubuntu.
0
votes
1answer
259 views

Wireless problem when turned off on Windows 7

I'm having little problems with wireless connection on my Ubuntu 12.04. It works, but when booting on Windows 7, then turning the wireless off(FN + F5, in my case) then rebooting to Ubuntu, it just ...
2
votes
1answer
1k views

ubuntu vm cannot find new network cards

After copying the virtual hard disk of a vm I made to a new machine, ubuntu no longer recognises the network cards and spews out errors like: failed to bring up eth0 ..... no such device I'm ...
3
votes
2answers
2k views

Get maximum bandwidth of a Network Adapter

I would like to know how do I obtain the max bandwidth of my network adapter? I can read it when I open my Network settings panel (eg, Wired Connected - 100Mb/s), but I would to obtain this value ...
0
votes
1answer
444 views

DNS not working over DSL

I connect to Internet via a PPPOE connection that i configured manually as below: /etc/ppp/peers/hamyar #hamyar: noipdefault defaultroute replacedefaultroute hide-password noauth persist plugin ...
2
votes
2answers
9k views

Creating shortcut to a network location on desktop

I am currently trying to make a desktop shortcut pointing to a network location. I believe there's a way to do this and that I am probably missing something simple. Can anyone able to point me in ...
3
votes
2answers
1k views

Only one of my two network cards is working

I have a Ubuntu 10.04 LTS Server which has two Ethernet ports eth0 and eth1. eth0 is connected to ISP1 with network 192.168.3.0/24 with server static address 192.168.3. 5 eth1 is connected to ISP2 ...
1
vote
1answer
794 views

How to change where Nautilus mounts network drives (Ubuntu 12.04 32-bit)

When I mount a samba network share in nautilus it is mounted under ~/.gvfs I would like to change this default so that all network shares mounted using nautilus are mounted under /mnt for example. ...
2
votes
2answers
2k views

Wlan-Card named 'eth1'?

My Wlan-Card is named as 'eth1'. Last week it was wlan0 and now it turned to eth. I don't know why and don't know how to change this. How can I change this back?
0
votes
2answers
1k views

Why doesn't this custom static IP network configuration work?

I installed Ubuntu server 12.04. I configured my network like this: auto eth0 iface eth0 inet static address 121.127.36.164 netmask 255.255.255.0 network 121.127.36.0 broadcast 121.127.36.255 gateway ...
0
votes
1answer
501 views

How to install a HSIA modem (EC156) on Ubuntu 12.04

How can I enable a EC156 HSIA modem for internet connection through Tata Photon Plus plan on my Ubuntu 12.04 system (32 bit)
1
vote
1answer
825 views

Will Ubuntu 12.04 work with Intel-based 10 Gigabit adapters?

I'm trying to see if ubuntu 12.04 LTS can handle/support 10gb connections.
2
votes
1answer
462 views

How can I prevent applications sending data over the net without my consent?

Recently I had a couple of instances of programs sending data (copies of some of my config files) out over the net. I consider this very bad form on behalf of the writers, and I want to prevent it ...
0
votes
2answers
906 views

Wireless Problem (broadcom) Please help!

Hi so the problem is that i can connect to my wireless but i cant connect to the internet. Thinks i try: Get closer to router, Format, Reinstall firmware. None help cat /etc/resolv.conf # Generated ...
0
votes
1answer
288 views

Network Card not initializing before startup programs.

I am using Ubuntu 12.4. I am using this machine to display a webpage. I have installed the MKISOK plug in for Fire Fox and set Fire Fox to open on start up. The issue I am running into is it seems ...
0
votes
1answer
171 views

eth0 is not present in interfaces still it connects at boot

I am connected through my eth0 to my university network. The c onnection works with no problems. Still i wander why the eth0 is not present in interfaces. I run ubuntu 12.04 ans use shorewall Thanks ...
0
votes
1answer
636 views

Wireless is disabled by hardware switch(wubi) on a Toshiba Tecra S1

I'm using toshiba tecra s1 and it has a problem in ubuntu 12.04 I installed ubuntu with wubi but it says wireless is disabled by hardware switch and I tried to off airplane mode and #rfkill unblock ...
1
vote
1answer
5k views

Cannot ping router with a static IP assigned? [closed]

Alright. I am running Ubuntu LTS 12.04 and am trying to configure a local caching/master DNS server so I am using Bind9. First, here are some things via default DHCP: /etc/network/interfaces cat ...
2
votes
2answers
1k views

Why did port 3000 suddenly start getting used by PPP? How to disable?

I run a rails development environment, which runs a server I can access at localhost:3000. I was doing this again today, and went to restart the webserver and it started timing out. After some time ...
1
vote
1answer
2k views

USB FastE or GigE that “just works” with Linux 2.6 kernels

I am trying to find a USB FastEthernet or GigabitEthernet that works without recompiling Debian Squeeze or Ubuntu Oneric. So far, I have tried the following USB GigE adapters: Belkin F4U047-RS ...
14
votes
2answers
64k views

Sharing Connection to other PCs (Via Wired Ethernet) [duplicate]

I have two desktop PCs I use frequently, both running Ubuntu 12.04. One is connected to the internet via wireless, and the other has no wireless card. Is there any way I can share my internet ...
1
vote
1answer
7k views

Realtek RTL8111/8168B PCI Express Gigabit Rev03 - keep losing driver/no link -WIRED

I'm using Mint 10 with 2.6.35-32-generic The PC has two Wired Ethernet cards. They're both the same. One is built into the motherboard, the other is a PCI-E card. I'm using the built in one, but ...