Managing and using network connectivity on a Ubuntu system

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How do I get my network drivers working? [duplicate]

I have Ubuntu 12.04 on a Lenovo G580 with Atheros AR8162 Ethernet and Broadcom BCM4313 Wireless Driver. I try the this: How do I get an Atheros AR8162 working? but it doesn't work. When I type ...
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1answer
160 views

Centrino N-6205 frequent disconnection

I have frequent disconnections from internet using wifi. It happens only when I'm on my home network and it doesn't happens on other devices that are connected to my router. So it seems specific to ...
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3answers
9k views

Is there a way to get Broadcom 802.11ac WiFi (43b1) working on Ubuntu 12.10?

I have a dual boot of Windows 8 / Ubuntu 12.10 on an ASUS G75VX with Broadcom 802.11ac Network adapter device 43b1. It seems that there exists no drivers for this adapter. I have done all of the ...
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1answer
3k views

How can I force my machine to get an IP Address from my router?

I had installed Ubuntu server and had the router setup to assign the same IP Address (192.168.0.10) every time the machine powered on. Recently, I did a clean install of Ubuntu Server and now my ...
8
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1answer
503 views

How can I connect to Netware, IPX and use BTRIEVE?

I have approximately 30 PCs connected in a network with Netware 6.5 and 5.1 servers using the IPX/SPX protcol. We still run this because the program runs with BTRIEVE (bd Netware and work only in ...
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2answers
3k views

Why is my eth0 interface not detected when installing Snort?

I am trying to install Snort on Ubuntu Server in VMware. It works fine before the setting up network cards. I've edited /etc/network/interfaces with the following data: #######Primary address auto ...
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0answers
729 views

Network does not work in Ubuntu or Linux Mint, works in Windows 7

I have no wired or wireless connectivity in Ubuntu or Linux mint. I have tried Gnome and KDE versions of both. Networking works in Windows 7 on the same machine. In the Ubuntu 12.10 Network manager ...
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1answer
137 views

Tracking data sent to remote host over time?

What is a a good way to track over time the amount of data transferred from my ubuntu machine to another host on the internet?
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2answers
4k views

how to route 3 NICs and 3 subnets

I am trying to setup routing between 3 subnets using an Ubuntu 12.10 server with 3 NICs. I would like to be able to have all these subnets route between one another as well as be able to access the ...
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1answer
2k views

Which port does Ubuntu Software Center use?

I have installed the gufw firewall utility and want to make a whitelist of ports (want maximum security, but whitelisting single IPs is currently too tedious). I have so far only entered ports 53 (for ...
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0answers
808 views

ubuntu can not ping [closed]

I have two servers. OS: Ubuntu Server 12.04 Server1: HP Dl380 Server2: Blade server (it is not Virtual machine) Server1 IP: 202.xxx.xxx.11 Server2 IP: 202.xxx.xxx.25 Server1 and Server2 are in ...
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3answers
2k views

How to disable Internet connection for a single process?

I know the PID of a specific process and I want to disable the Internet access for this process and only for this process, so other process can access Internet. Is there any way to do it? I ...
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3answers
3k views

How to set up a computer lab for a school?

folks. I was recently given the task to remove Windows XP from some 15 computers in a primary school, install Lubuntu 12.10 on them (all too old for Gnome/Unity) and set up Scratch so the students ...
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0answers
3k views

Server 12.04 machine does not respond to arp broadcasts

I just ssh'd into my old netbook (running as a CUPS server) running ubuntu server 12.04 and did a dist-upgrade (haven't done one in a while). Upon rebooting the machine, I can now no longer access it ...
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2answers
10k views

Get a list of network connections my machine is making

On Ubuntu, how do I get a list of network connections my computer has made in the last few days? Is there a easy way to do this?
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1answer
157 views

Why is it my Windows XP and Windows 7 PC/laptop can find and connect to my Ubuntu file server while my Ubuntu laptop cannot see it?

I have an Ubuntu file server running SAMBA on my home wifi network. It is set to share a directory under the user "john" I have a Windows XP desktop connected to the network and it sees the file ...
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1answer
990 views

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

I checked How do I install drivers for the Atheros AR8161 Ethernet controller? I have same problem: when I pasted this part wget -O- ...
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1answer
1k views

How do I restore previous packages after a failed update?

I recently upgraded my 12.10 installation on my Alienware m11x laptop, and lost both my network cards (wired and wireless network). How do I get them back? I would like a solution that doesn't involve ...
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2answers
599 views

Certain web pages load slowly

Since installing Ubuntu 12.04 (switching from Windows, I'm new to Linux and Ubuntu) certain web pages, especially blog type web pages such as boingboing.net or non-blog pages such as offliberty.com, ...
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1answer
155 views

Cluster Network Setup

After exhaustively searching on Google and other locations, I still need some direction or primer on setting up the network I'm aiming for. I have a cluster of machines networked via SSH using ...
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1answer
561 views

How can I regain internet access? (Lost after power outage)

Following a power outage in the neighbourhood two days ago, I restarted my computer and everything seemed fine. However, I cannot access the internet anymore. The computer is a desktop and is ...
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1answer
1k views

Facebook doesn't work in ubuntu 12.10 [closed]

since two days I can't connect to facebook any more. All other pages work. I tried it from Firefox as well as from Chromium (both on ubuntu 12.10). The strange thing is, that it is working on Windows. ...
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1answer
761 views

Unable to access internet on ubuntu 12.04

I have recently installed Ubuntu 12.04. I am now unable to access Internet (wired). I tried things like renewing the IP address, etc. but that did not seem to work. It recognizes whether the lan cable ...
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2answers
4k views

How to configure preferred network for internet?

I am connected to a LAN network and wireless network. Both provide access to internet. Sometimes when the internet on LAN is not working, the browser simply throws an exception instead of switching ...
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1answer
2k views

squid3 PAM_Auth authentication not working

I'm attempting to run a squid3 proxy server with authentication for any user that has a login to the server. I've followed these instructions, and I am prompted for a username and password when I ...
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0answers
45 views

Excessive data received on idle

My computer sometimes downloads excessive amounts of data while on idle (in the 10MiB area) ,so far my only solution is to restart my computer.at first i thought it was a mistake but it is actually ...
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2answers
596 views

WoL missing in BIOS, will it work?

From help.ubuntu.com/community/WakeOnLan In order to use WoL it must be supported and enabled as necessary in the BIOS, NIC and other network hardware (routers, switches etc). You may also need to ...
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1answer
2k views

Local file copy using SMB shares

I created two SMB shares for my local disks on my server: disk1 and disk2. Using my laptop I can access the shares. If I try to copy files between these two shares using my laptop the speed is very ...
3
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1answer
245 views

Was my computer hacked by Minecraft/Craftbukkit Initscript?

I was playing around in Terminal, I 'mis-clicked' (havent yet configured trackpad, very jumpy cursor) while trying to run nano. What happened next kind of threw me for a loop. Here is what printed ...
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1answer
1k views

Trouble connecting to wifi in Windows 7 VM

I run Ubuntu 12.10 as host and I am trying to use VirtualBox for gaming with a Windows 7 guest. I cannot, however, connect to my wireless internet in the guest. Any suggestions?
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2answers
5k views

Can I run a DHCP server on an ubuntu VM under vmware and serve the host?

I have Windows 7. I installed Vmware Workstation and then installed Ubuntu on it. Now I want to have a DHCP server on Ubuntu and DHCP client on Windows 7. What should I do? How should I configure ...
0
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1answer
534 views

My Ubuntu 12.10 does not show the wireless network list

I tried everything I found on this site, all the related questions, but nothing seems to work. I am using a MacBook Pro, the 2012 release. I already tried installing fwcutter, and many other options, ...
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1answer
76 views

How to re-install network

I had an issue with my realtek network drivers and r8168. So I followed many guides on how to fix this and I installed and compiled the latest drivers from realtek, however, in the end I still had the ...
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2answers
577 views

how to change default IP in Ubuntu 12.10

I just installed Ubuntu 12.10 on my PC, and it grabbed an IP address that the network doesn't like. I have tried to change it, but to no effect. If anyone could tell me how to do this, I would be ...
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3answers
15k views

Can't connect to any wireless connection after updating

I have a dual boot (windows 7 and ubuntu 12.04) setup and, for (apparently) no reason, I can't connect to any wireless connection on my ubuntu box at all. (on Windows it works.) I think it stopped ...
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0answers
776 views

How to get a Netgear N300 Adapter to work with Ubuntu 12.10 32-bit

No other tutorials I can find are for Ubuntu 12.10 and for some reason or another I can't do any of them. lsusb brings up a list with what I want to find, but I don't know what to do from there. I ...
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1answer
88 views

After upgrading a VM to 12.04 my eth0 MAC is all zeroes

I did a series of upgrades from 10.04 to 12.04 on a VM under Xen virtualisation. Now for some reason eth0 won't start up, ifconfig says mac address is 00:00:00:00:00:00, I've tried setting the address ...
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0answers
2k views

I can't turn on my bluetooth?

Ubuntu 12.04.01 - i can't turn on my bluetooth. I am on a dell vostro 1500 with wireless 355 bluetooth module (bluetooth 2.0 + EDR). When i turn the bluetooth on from the indicator and then click on ...
0
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1answer
611 views

Why did I loose my internet connection after installing a VPN client?

I installed the VPN client to connect to my company's network, the Cisco AnyConnect SSL VPN client. Everything went fine, I was able to install it correctly, connect to the server, was prompted for ...
2
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1answer
1k views

Disable wireless if wired connection available in XBMC

My HTPC has a wireless and a wired connection. When I start ubuntu both get an IP-adress. I don't see any inherent problem with this, but XBMC seems to default to the wireless, even if the wired is ...
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1answer
432 views

How to Install network drivers on Dell Iinspiron 5420 with Ubuntu 10.04?

I followed this to install network driver How to install network drivers in Dell Inspiron 5420? but it show me this error $sudo make make -C /lib/modules/2.6.32-38-generic/build ...
44
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1answer
60k views

What is the loopback device and how do I use it?

What are loopback and localhost? Why do they exist, what are they used for, and how would I use them?
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2answers
5k views

HPLIP or CUPS cannot Find Network Printers?

I have been searching for an answer for days now, thought it was time to ask! I have just setup my first ubuntu server, everything is working perfect. I have internet connection, I can ping every ...
0
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1answer
4k views

unable to connect to internet — networking config not set up

I have a recent install of ubuntu server (all command line) and at the time of the install I was not connected to the internet. when entering sudo apt-get update I get a bunch of messages saying ...
0
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1answer
393 views

wireless doesn't work after update

I've installed Ubuntu 12.04 on a new Compaq cq58 laptop. After installing Ubuntu wifi dind't work, but following instructions on the forum I could install the drivers and make it work....now after ...
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1answer
88 views

Is there a utility to show total up/download quantity of a process

In bash I can run time $(curl -L ...|bash) to find out the total time this script takes. Is there a way to get similar total information about the up/download traffic it generated? Note that ...
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1answer
3k views

How to figure out which wireless driver I need?

I posted this question on SuperUser and was told to look up the specs for [my] specific wireless card and see if there is a Linux driver for it.... Essentially I have an issue with my wireless ...
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1answer
381 views

Ubuntu 12.04: Google Cloud Print Credentials Error

I am currently running Ubuntu 12.04 and for a while before I have been using Google Cloud Print to print things from my Netbook running Windows 7 Starter to ubuntu printer. Lately I have noticed that ...
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1answer
744 views

usb0 makes for an extremely slow boot

I got a brand new Lenovo Thinkpad T530 from my work recently, with xubuntu installed on it. It's extremely snappy, apart from booting. The moment it's slow (~2 minutes) is between entering my password ...
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3answers
4k views

How do i make ubuntu request a specific ip address from a dhcp server?

So here's the deal. My router assigns ip addresses starting from 192.168.0.50. I have a couple of computers running ubuntu which i want the router to assign 192.168.0.50 and 192.168.0.51 every time ...