Managing and using network connectivity on a Ubuntu system

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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 ...
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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 ...
11
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2answers
62k 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 ...
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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 ...
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2answers
319 views

Question about my usb wirless network adapter

I have a D-Link DWA-140 USB network adapter as my network card is knackered so I removed it. I have Ubuntu 12.04 installed and for some reason my Internet is awfully slow when surfing, downloading ...
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1answer
1k views

Wired Connection: Device Not Ready/Cable Unplugged

I used to have Windows XP in my PC but it was getting slow, So I completely formatted my Computer (Except for the Partition with my files) and Installed Ubuntu 12.04. (I'm typing this on another PC) ...
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1answer
444 views

Ubuntu 12.04 WiFi wpa 2 connected to router but Can only be accessed by ssh

The problem is that my Ubuntu server 12.04 can only be accessed by ssh. It connects to the router with a wifi wpa 2 encryption. Im not using a firewall, and it should be sharing to both windows and ...
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1answer
2k views

Network issues with Realtek RTL8111E

I run Ubuntu 12.04 dual boot with windows 7 on my Dell Inspiron N4110.My internet speed is very slow on my Ubuntu.My ethernet speed is 100 Mb/s.But,I am getting only 10 Mb/s.This is really annoying ...
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1answer
1k views

How do I set up a LAN game?

I'd like to play freeciv on my local area network over a wireless router. I can get the freeciv server up and running, and the client will connect to the server if I run it off of the same computer. ...
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1answer
5k views

How do I get wireless Wake-on-Lan work with an Intel 5100 AGN?

How can I make a wireless wol with Intel PRO/Wireless 5100 AGN from a hp laptop ?
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2answers
1k views

“connection not visible or not available” after switch DSL to LAN

I had a company computer(ubuntu 12.04LTS) taken home. My home use DSL and my company use LAN to connect to internet. The computer works well in my company, but I have to config it after taken home. I ...
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1answer
2k views

How do I set up an Ubuntu FTP server?

I am very new at this, and I need help setting up an FTP server that I can connect to outside of my network. I have Ubuntu Server 12.04 installed, as well as Webmin, and Vsftpd. I just need help ...
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1answer
2k views

Ubuntu 12.04, sony vaio T11, no hardware wifi button, networkmanager “enable wireless” unavailable

My Sony Vaio T11 does not have a hardware button to enable/disable wifi. When I disable wifi in NetworkManager and reboot "enable wireless" is not available (grayed out) in Networkmanager. $>rfkill ...
0
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1answer
286 views

Cannot connect to Internet in 12.04

I have a Toshiba Satellite l655-s5105 and have Ubuntu 12.04. I have been working with it for almost a year now and it worked perfectly. I believe I updated some packages and the next time I turned ...
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3answers
64k views

How to set static routes in Ubuntu Server?

I have used Ubuntu since Ubuntu 8.10; today I'm working with Ubuntu 12.04 Server. I am having difficulty keeping static routes on booting. I would usually put the route commands /sbin/route add ...
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3answers
4k views

iball 3.75G-72 connect mobile broadband USB modem not detected in Ubuntu 12.04. how to detect that modem? [duplicate]

I have bought new iball 3.75g modem to connect with Ubuntu1 2.04. But,Ubuntu 12.04 doesn't detect my device. I have already use Gnome ppp tool to detect my modem. But, the tool couldn't detect my ...
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1answer
2k views

How to address ssh-server with a subdomain for remote access?

I am trying to set up ssh-server on my Ubuntu 12.04 VM (running in VirtualBox on Mac OS X 10.7). I have a domain name, call it foo.com, and I'd like to make ssh available via ssh to linux.foo.com. (I ...
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2answers
212 views

Do I have to connect my laptop to a switch/router before a virtual OS(Ubuntu) installed on VirtualBox could communicate with the hosting OS(Win7)?

I selected the bridged adapter, and it would normally work fine when my laptop is connected to my wireless router. I just use the IP address of eth0 resulted from command ifconfig. But this morning, ...
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2answers
1k views

Networking 3 Virtual Machines

How do I set up a network with three virtual machines using Virtualbox and Ubuntu 12.04 32-bit so that they all run together?
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3answers
11k views

How do I install the firmware on ubuntu 12.04

I have a Dell Latitude D610 and whenever I try to connect to wifi, it says missing firmware. When I open my additional drives icon, nothing is there. I have rebooted many times. What should I do to ...
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0answers
3k views

Network interfaces missing for VirtualBox host in 12.04

I had vmware player installed but decided to replace it with VirtualBox. I installed it from aptitude normally: apt-get install virtualbox-ose Everything went fine and it was able to build/insert ...
0
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2answers
345 views

Why can't I connect to xmlrpc.launchpad.net?

I tried to check out the source code of opencog(cogbuntu) using bazaar using the commands they had mentioned in their wiki. This is the code entered in the terminal bzr branch -r40 lp:cogbuntu ...
0
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1answer
2k views

Unable to connect to Samba printer

I have a headless Ubuntu 12.04 server for files and printers. It shares files via Samba just fine. However, the HP PSC-750xi connected to the server via USB is not accessible from my Ubuntu 12.04 ...
2
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1answer
753 views

What's the Ubuntu equivalent of Active Directory?

I have around a 40+ user network running Ubuntu 12.04 Desktop and Ubuntu Server. What is the best tool to use to run authentication on users? Webmin? Similar to what AD does for Windows.
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1answer
931 views

waiting for network configuration network manager

I recently updated ubuntu to 12.04 and i have 2 problems: 1.) 'waiting for network configuration' shows each time when starting computer 2.) I always have to type in terminal 'sudo ...
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2answers
13k views

How to setup a wired network in the IPv4 network settings? [duplicate]

Possible Duplicate: How to setup a local network over the CAT5 cable? I have a problem with setting up the network in the IPv4 wired network settings. My ISP gave me an IP address that goes ...
1
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1answer
186 views

Very strange bug in Ubuntu (introduced in recent months' updates) [closed]

I have been using my ThinkPad x200 with Ubuntu since I bought it several yeas ago, every time doing a clean install when switching versions instead of upgrading one on top of the other. I have never ...
1
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1answer
232 views

How to know which network is connected?

How can I see using command-line whether I am connected to network using eth0, eth1 or wln0 etc? Well, to elaborate, I have a desktop sidebar which I installed using program "conky". This sidebar has ...
8
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3answers
5k views

Is there a way to use Tor system-wide?

Almost everything is blocked where I am and I need to use a transparent proxy to access anything. I tried using Tor (online anonymity software) but it doesn't work for all the system applications. I ...
1
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2answers
421 views

Direct X-forwarding

I'm struggling to set up X-forwarding between 2 different machines on my local network and my ubuntu desktop. I'm able to connect using ssh x-forwarding one one machine, but the other machine (a Qnap ...
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2answers
636 views

Will python scripts be run when added to /etc/network/if-up.d?

To get my system connected to internet, I have to manually login via the web page of my ISP. This is not very convenient. I found a python script online which automates this. it takes the ...
2
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1answer
411 views

How to keep Internet connection while changing between eth0 and wlan0?

I have a laptop which I can put onto a docking station where it is connected to the internet via ethernet (eth0). Otherwise, it is connected via wireless (wlan0). When I plug in the ethernet cable ...
0
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4answers
3k views

Wi-Fi doesn't work well , disconnect (but connected) every 10 minutes

I'm running Ubuntu 12.04 (with all drivers updated). I'm connected to my wireless router, everything works well, but after 10 minutes using Firefox / Chrome / Skype / transmission the connection is ...
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2answers
1k views

If I install wicd will my computer automatically uninstall Network Manager?

I'm running Ubuntu 12.04 on a Compaq evoD500. My computer randomly loses connection while the other computers in the house are still connected, so I know the problem is specific to my box. The other ...
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1answer
13k views

How do I share a folder on SAMBA?

I want to share my home folder with my Windows machine, but I have no idea how to share the folder. I can't find any up-to-date guides on Google, so how can I share my home directory?
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0answers
589 views

How do I configure two nics and two gateway?

I have a IBM server x3200 m3 loaded with Ubuntu 10.04 LTS. My problem is my network I have a 2 different gateways: VPN static and the other one is DSL dynamic. The Internet runs normally when there ...
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1answer
1k views

How to get my AE1000 adapter to work?

So I am so frustrated because my wireless netowrk is not getting picked up by my laptop so I put my AE1000 cisco adapter in it but it needs the driver to make it work! How do I get it to work? If you ...
26
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2answers
106k views

How do I install drivers for the Atheros AR8161 Ethernet controller?

I have installed Ubuntu 12.04-64 bit on my Lenovo IdeaPad laptop, and the wired Ethernet (LAN) connection doesn't work. Running the lspci -vv | grep Atheros command from the terminal shows me I have ...
0
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1answer
597 views

Can't connect to the Internet because of “no network interface”

I have installed Kubuntu 11.04 in my laptop. This morning when I powered it on and tried to connect to the Internet, I can't because of "no network interface" error. How I can resolve this problem?
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1answer
2k views

Wired/Wirless Connection not available after Ubuntu 12.04 install on Win7

I installed Ubuntu 12.04 on a NTFS partition on my Windows 7 machine. After installation Ubuntu will not connect to a network either Wired or Wireless. Windows 7 Networks work fine. Ubuntu recognizes ...
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1answer
275 views

Internet connection Problem

I want to have a dial-up connection in my pc.I want to have a wiered connection.and i am using Realtek RTL8168D/8111D Family PCI-E Gigabit Ethernet NIC (NDIS 6.20). my windows 7 connection info is ...
2
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1answer
2k views

how to enable iptables tarpit?

I'm using ubuntu server 10.04 and I have to enable tarpit module . I installed the followning packet : aptitude install xtables-addons-common xtables-addons-source module-assistant auto-install ...
0
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2answers
759 views

Can the Amazon Kindle work with my Ubuntu hotspot?

I wanted to use my Ubuntu laptop here as a hotspot for my Kindle (v3.3) But when I scan the wireless network on my Kindle and select to connect to the ubuntu wireless hotspot, then my kindle says its ...
2
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1answer
2k views

How do I install my HP printer through network?

When I plug the HP Deskjet2050j510 printer directly on my PC through USB cable, it is perfect. But when trying through network, it can not find it. Note I'm using the HPLIP Toolbox to search the ...
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3answers
396 views

Vista to Ubuntu 12.04, no internet connectivity

I'm new to Linux. This is my first time downloading another operating system to anything. I was pleased when I saw Ubuntu's capabilities and downloaded the .iso at once to try the live CD. When trying ...
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3answers
11k views

How to install network-manager without internet access?

I have been trying to install some kind of network indicator to show my current bandwidth usage on the panel on top of the screen so I decided to install ...
2
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2answers
1k views

Why can't I get a wired connection to my new router?

I have only had ubuntu for about a month, when i got it i had no problem connecting to our netgear router using an ethernet cable. We have just replaced our router with an identical one (due to ...
2
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3answers
1k views

How to open files from other machine running ubuntu

I tried to take data from my pc to laptop. Both are using ubuntu 11.10 os. I googled and tried to connect both the systems. Now it is showing connected symbol. Dont know how to proceed further. I need ...
9
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4answers
2k views

How do I boot Ubuntu from the network without installing?

The scenario: At work I have to shred data on old PCs (not my main responsibility). What I do is I boot from the Live-CD, choose Try Ubuntu, open the terminal and sudo shred -v -n10 /dev/sda. This way ...
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1answer
3k views

make my Ubuntu 12.04 laptop visible on the network

I'm ecstatically happy with my 12.04 on my laptop after loading it over my MS Vista... but there's just one thing, one little fly in the ointment.... While I can view our 2 Terabyte, shared ...