Managing and using network connectivity on a Ubuntu system

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broadcom 4311 wont work on 12.04 [duplicate]

Possible Duplicate: Wireless doesn't work on a Broadcom BCM4312 I just finished installing Linux Ubuntu 12.04 on my presario laptop and the Broadcom 4311 (REV 02) Wireless chip is not ...
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8answers
22k views

12.04 wired network doesn't work RTL8111/8168B

its a fresh 12.04 install 64bits. wifi works fine, wired stays off with cable connected and network-manager shows as if cable is disconnected. Turning off networking lights up my network-cards leds, ...
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1answer
604 views

Network problem in 12.04

I am trying to install Ubuntu 12.04 but when I run installer (or LiveCD) it writes that there is no connection to Internet (I don`t continue installation because ubuntu is the only OS on my pc and I ...
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2answers
1k views

How to access second disk locally and over LAN

I have just added a second 1TB HD to my Ubuntu box and I can see it listed when I run blkid. But how do I reference it so I can use it as local storage share it on my LAN
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1answer
331 views

Is there any application like Proxyfire?

In Windows7 I using Proxyfire to pass through the internet filtering. Now I am using Ubuntu and I looked everywhere and read many posts but still cant find any easy app. Can anyone help me? By ...
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2answers
439 views

Internet doesn't work by default

After upgrading to Precise, I am required to run 'sudo dhclient eth0' in a terminal in order to get the internet to work. Everything worked perfectly fine on Oneiric, so It's really puzzling me. I'm ...
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3answers
7k views

12.04, mapping network drive from windows server 2003

I'm trying to map a network drive running on a windows server.. I tried using the Connect to Server GUI but didn't get anywhere so I tried mounting it in the terminal but have had little success. ...
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1answer
74 views

How retrieve files in a minimal ubuntu installation? aka how apt-get retrieves files?

I'm running pbuilder, which setup a minimal ubuntu installation, and I'd like to retrieve some files without «wget» (it's not installed by default), since apt-get can retrieve .deb files I imagine ...
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1answer
482 views

How to install a new D-Link NIC in Ubuntu 11.04 Server?

I did a new fresh installation of Ubuntu 11.04 server. I plugged a new D-Link NIC (DFE528TX) but it doesn't work properly. How could I fix this problem?
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1answer
24k views

Is it possible to use Ifconfig to switch an interface to DHCP and if not, what is the best way?

I have just set up a new Ubuntu server and I am going to be doing a lot of networking tests. During setup, I simply skipped the network step. I now need to switch between DHCP and an address quite ...
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2answers
5k views

Sharing internet to Ubuntu 12.04 VMWare guest

I installed Ubuntu 12.04 on my Mac VMWare Fusion (Version 4.1.2). The installation went fine and Ubuntu seemed to update itself during the install. After reboot I cannot get Ubuntu to access the ...
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0answers
1k views

Ubuntu 12.04 not finding my onboard LAN: Realtek RTL8111E [closed]

Just downloaded the latest version of Ubuntu and installed it clean from cd on bare drive. I get no recognition of my network and onboard network hardware. Everything I've been reading says v12.04 ...
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1answer
958 views

Sharing folders on home network between ubuntu machines is not permanent after restart

I run a home network with a desktop pc and 2 laptops all running ubuntu 11.10. I set up a shared folder on the desktop pc through nautilus -> Sharing options. That folder is readily accessible from ...
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1answer
1k views

How can I setup Ubuntu (and my home network router settings) so I can SSH to Linux console window?

I installed Ubuntu version 11 not too long ago. I now have that computer running on my home network and it has it's own internal IP address on my home network behind a LinkSys Router. How can I ...
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1answer
2k views

I keep losing the Internet connection in Ubuntu 11.10

I recently assembled a new desktop with an ASUS PCE-N15 wireless network adapter and my home wireless network is detected and I am able to connect to it and even access the Internet. However, after ...
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2answers
180 views

Recommendation for socket software

I'm learning how to deal with socket programming with socket(), bind(), connect(), listen(), etc. So I'm looking for a socket software that is similar like this, that works in Ubuntu. The software ...
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4answers
2k views

DNS stopped working on laptop

Was working fine then stopped inexplicably. I can ping the gateway/DNS router/firewall (Untangle) using WiFi and cable using WiCd. Network Manager does not work on this computer Firefox reports ...
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2answers
714 views

Unable to connect to https sites with wired connection [closed]

I Have a problem only with https sites. Trying to access for example mail.google.com, after credentials, all browsers stay there waiting for response of https://accounts.google.com With others https I ...
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1answer
2k views

device shows up in lsusb + adb but not in ifconfig

I'm running Ubuntu in the VMWare Player under Windows 7: root@ubuntu:/# uname -a Linux ubuntu 3.0.0-17-generic #30-Ubuntu SMP Thu Mar 8 17:34:21 UTC 2012 i686 \ i686 i386 GNU/Linux I'm trying to ...
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3answers
4k views

How to deal with wpa_supplicant error?

I'm using Ubuntu 11.10 and I've copied the wpa_supplicant configs from another computer running Ubuntu 11.10, which is connected to my home network. The non-connecting device has an Intel wireless ...
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1answer
965 views

Problems with wired network on acer aspire 1410

The problem is the following: i can't establish a wired connection on Acer Aspire 1410 with Ubuntu 11.10 installed. Wireless connection works fine. But when i plug the network cable and disable wifi ...
5
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1answer
13k views

How to I enable jumbo frames on just one network interface?

I have a server with a storage network which currently supports jumbo frames. I want to enable just eth1 to have that ability. What settings do I change and what is the best way to test the ...
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0answers
109 views

Regulating outgoing traffic on a virtual machine? [closed]

I am making a virtual network setup for my high school cybersecurity team to practice. I am connecting all the VMs together through a VPN and then people who are practicing will VPN in and ssh/remote ...
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1answer
3k views

How do I airport-utils to configure my Airport Extreme?

I'm trying to use this package (airport-utils) to try to configure my Airport Extreme. I was able to install it without a problem using apt-get but when I try to use it nothing happens. Literally, ...
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2answers
726 views

Access samba by host name

I have set up Samba on Ubuntu Server. Everything works fine, but I can access the dir only by providing ip address: smb://192.168.1.2/public but not the host name smb://myhost/public. user@host$: cat ...
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2answers
120 views

Track ping, download and upload daily

I'm with some problems with my internet with oscillations in connection, causing some sites to get "Not Found" page sometimes. This isn't all the time, just some random times daily. My question is. ...
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2answers
2k views

Problem with Samba + NetBIOS. Can't ping Ubuntu from Windows

I cannot ping my Ubuntu box from Windows. I have Samba installed and I have checked iptables and NetBIOS ports are not blocked. smbd and nmbd are both running. I'm running Ubuntu 11.10 Server. I was ...
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1answer
1k views

VPN default route issue when using the UI

When setting up a VPN connection using the UI (System settings => Network) the VPN connection is used as the default route after connecting to it. How can I avoid this? That is without assigning ...
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2answers
2k views

both IPV4 and IPV6 at the same time over DSL connection?

Let me describe my situation: while I connect computer with the wire, I've got an IPV6 address automatically, there's a "Wired connection" tab in network manager, and I can access an website that ...
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4answers
3k views

No Internet Connection - ubuntu 11.10

I installed Ubuntu 11.10 recently. After the first bootup the computer freezes so I have to force-quit my computer. Then I turned on my computer after that. I tried connecting to the internet. My ...
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2answers
585 views

Jquery website is not opening in UBUNTU but in XP, Everything is fine

I know it is weird, But I just discovered this, jquery.com is not opening in my ubuntu firefox or other KDE browser and hence many sites that copy codes from code.jquery.com also hanged. Is there any ...
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1answer
5k views

How to create a wifi network to share files between a Ubuntu 12.04 PC and windows 7 (32 bit) PC [duplicate]

Possible Duplicate: How to create file in windows share? I want to share files with a Windows 7 (32 Bit) Laptop. I have another laptop with Ubuntu 12.04 installed. How can I share files ...
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7answers
7k views

Apt-Get using Apt-Cacher NG fails to fetch packages with hash sum mismatch

I have a machine who is using Apt-Cacher NG running on another machine as caching proxy. When I try to run sudo apt-get update I get the following errors: W: Failed to fetch ...
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4answers
17k views

Cannot disable Airplane Mode

When I use gnome network manager it indicates that wireless is disabled by hardware switch while it is not. Even in windows I can not turn on my wireless!
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1answer
159 views

Strange traffic on fresh Ubuntu Server install

I've just installed Ubuntu Server on my home box after becoming partially familiar with it at work and wanting to train up as a Pen Tester. I installed the latest version on a logical partition (the ...
0
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3answers
498 views

Creating a mixed network. for windows and ubuntu

As a Ubuntu newbie (11.10) I have a wired desktop, and a laptop on Ubuntu, and another windows 7 laptop I use for college... How do I get them to "talk" to one another, for sharing files... sharing ...
0
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1answer
415 views

ubuntu as multi port router

If I have an 4 (or more) ethernet port linux box, How to setup it as router to handle 4 class c subnet ? for example, eth0 => 192.168.1.0/24, eth1 => 192.168.2.0/24, eth2 => 192.168.3.0/24, eth3 => ...
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0answers
249 views

Network connection fails when downloading data [closed]

In the past few weeks, I've noticed my network connection becoming unstable while downloading files. I'm not sure how to diagnose this issue. I've found that my network connections appear to be ...
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1answer
3k views

Can't access windows 7 shared files on Ubuntu 11.10

I just set up ubuntu 11.10 and Samba. I got it to access shares on a Vista machine, but when I try to access the shares on a windows 7 machine it asks for a Username, Domain, and Password. I have no ...
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2answers
85 views

Network Problem While Reinstalling Grub

I'm trying to reinstall grub on a second disk, following the instructions at Purge & Reinstall Grub. After doing sudo chroot /mnt, when I attempt apt-get update, I get lot of failed to fetch ...
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1answer
1k views

VirtualBox host-only networking fails on Ubuntu 11.10 host

I've installed Ubuntu 11.10 on a new Lenovo Thinkpad 420s and I'm trying to get some VirtualBox VMs up and running (using Vagrant). Everything works fine until I try to add host-only networking. ...
11
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1answer
23k views

What are ICMP redirects and should they be blocked?

After enabling ufw and the Tiger security auditor, I see warnings saying: The system accepts ICMP redirection messages What are ICMP redirection messages? Should they be disabled for security ...
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2answers
4k views

connecting ubuntu with 7 via network cable

i was tryin to connect my ubuntu toshiba satalite L650 laptop with my desktop via a network cable so that i can share things and remotely control the desktop from the laptop, i googled the problem out ...
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1answer
349 views

Problems with wired connection. Help? [closed]

It randomly stops working as I'm working off a laptop, I click the option "Auto Ethernet" but it won't connect to the network again, I have to restart my laptop and then everything works fine but the ...
1
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1answer
1k views

creating wifi hotspot for Galaxy note

I follow the steps mentioned in many blog but my wifi AP is not scanned by my phone. My system config:- Ubuntu 11.10 64-bit 00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev 93) ...
0
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1answer
576 views

Error while opening network in Nautilus

What does this mean Error: DBus error org.freedesktop.DBus.Error.NoReply: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus ...
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1answer
343 views

Cannot connect to local webserver

I can no longer connect to my local webserver With telnet. I get the message: "telnet: Unable to connect to remote host: No route to host", it used to work perfectly and i have not made any changes to ...
2
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0answers
95 views

Err occurred using ioctl to control my network card! [closed]

Recently I installed Ubuntu11.10 instead of the old one in my computer. But an odd bug occurred during I used the IOCTL to control my network card using the code like this: struct ifreq ifr; int ...
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2answers
296 views

ubuntu nic card issue

I am trying to install NIC r8168 and it shows everything installed ok. It is a brand new NIC and the lights wont come on when I plug in a ethernet. The NIC is that is not working is eth0. Why does it ...
2
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3answers
1k views

Ubuntu systematically losing wired connection

I'm working on 11.10 for few recent days, everything was working perfect until today. Updated ubuntu (some certs were updates as far as i remember) and from this time, wired network stops working ...