Managing and using network connectivity on a Ubuntu system

learn more… | top users | synonyms (1)

1
vote
2answers
72 views

Why is Update Manager non-responsive and why is my wireless off?

I am new in using Linux. The problem I'm having is with the update manager. I have it pinned to the launcher but when i left-click it does not respond. When i right-click it it responds by showing me ...
0
votes
1answer
1k views

Monitor Internet Usage on Ubuntu [duplicate]

Possible Duplicate: How can you monitor internet download usage? Any idea how one would monitor internet usage on a laptop to find out if any unauthorised program is making internet ...
7
votes
1answer
8k views

Ubuntu 12.04 recovery mode root shell has no internet connection

I'm debugging some things on my computer and I boot into recovery mode from the grub menu. Then it gives me a bunch of options on what to do next, and I select the one that drops it to a root shell. ...
3
votes
2answers
6k views

Bridging: Loosing WLAN network connection with 4addr on option - Why?

Question: For use with my Xen VM, I need to create a virtual network interface (vif) that is bridged to wlan0. If in /etc/network/interfaces I add auto xenbr0 iface xenbr0 inet dhcp And ...
6
votes
1answer
2k views

Block Ping from a specific IP

I am on a private LAN 192.168.1.0/24. My ip is 192.168.1.3, I want to block only ping requests from 192.168.1.2. I am running ubuntu 11.10. I found two links First tells how to block an IP but not ...
0
votes
2answers
709 views

Thinkpad x220 wireless network slows down after some time

I installed Ubuntu 12.04 LTS on my Thinkpad x220. When I connect to a wireless network, the network speed starts out normal. But after a certain period of time (say, 10 minutes), the network speed ...
10
votes
2answers
9k views

How to disable/enable automatically connecting to WiFi?

Whenever I restart my WiFi router, Ubuntu tries to connect to my neighbours' WiFi networks. There's over 30 wireless networks in the area. Ubuntu prompts me for the password to all of those. This is ...
2
votes
1answer
5k views

Setting up a Network Printer

I have a Canon MP970 printer and I want to setup network printing and scanning on my laptop. I got it set up on my desktop (running Windows 8 Release Preview x64). How do I start?
3
votes
1answer
407 views

Resetting network adapter?

I'm running Ubuntu 12.04. I get a strong wireless signal throughout my house, and the wireless symbol in the upper-right-hand corner shows that it's connected. The problem is, occasionally I am unable ...
0
votes
1answer
943 views

Need to install ethernet firmware for Dell PowerEdge 2650 integrated BCM5703 NIC

I have a Dell Poweredge 2650 and I'm trying to install the ethernet firmware/driver. I found this page but I can't figure out how to install it. Their isn't a loader.conf and I would like to avoid ...
1
vote
2answers
5k views

How to set-up DSL dialer for Ubuntu 12.04 LTS

I have just installed Ubuntu 12.04 LTS and I'm unable to get my DSL dialer working properly. To set this up in Windows 7 I had to do following: Control Panel ---> Network and Intertnet Network and ...
0
votes
2answers
756 views

Connection to openVPN Access Server

we are using an openVPN Access Server and I would like to connect to it via the VPN network setting (network-manager-openvpn). I downloaded the client.ovpn and I can connect to the server via the ...
5
votes
4answers
23k views

Ubuntu 12.04 network printing through Windows Samba server

I have to print through a Samba server sharing an HP printer. After upgrading to 12.04 I'm no longer able to get it to work. The printer is shared through a samba server and I need to provide logon ...
2
votes
1answer
235 views

What's the best way to get a file from one computer on my network to another?

I have a desktop, a laptop running ubuntu and an old box running ubuntu server with no gui or monitor. I need a reliable way to move files from the desktop and the laptop to the server. I am now ...
1
vote
2answers
3k views

static ip issue

I just installed ubuntu 12.04 and I'm trying to set up my internet access. I just have a wired connection so it should be quite simple. My computer has two interfaces, eth0 and eth1. I'm not sure ...
0
votes
1answer
199 views

Network connection problem

I am using ubuntu 11.10 LTS. when I switch on my lappy, the network connections i have created works fine, but after sometime (not always) they disappear and no connection lefts available for use. ...
2
votes
0answers
152 views

Problem enabling “networking” options GUI

From couple of days I'm facing this problem? When I turn on my system (I'm using ubuntu 12.04), I dont get various networking option's when I click the networking option (in top right corner of the ...
1
vote
1answer
739 views

How do I configure networking when using XEN on 12.04 Server

I'm following this guide, https://help.ubuntu.com/community/XenProposed, and I'd like to setup a static IP address, but I don't know how. I'm using 12.04 Server. This is the step I'm having trouble ...
9
votes
2answers
5k views

How do i find out which program is using internet and how much? [duplicate]

Possible Duplicate: How do I find out which process is eating up my bandwidth? Sometimes there are unusual Internet activity in my Computer. Modem's lights are always blinking and When I ...
2
votes
1answer
6k views

L2TP connection fails!

I've installed l2tp-ipsec-vpn but when I try to connect to the vpn server I get error 500. Here are the logs: Jun 17 12:54:37.449 ipsec_setup: Stopping Openswan IPsec... Jun 17 12:54:38.858 Stopping ...
8
votes
4answers
24k views

How to make dhclient forget its last DHCP lease?

What I'm trying to achieve is to get cold-start, zero-state DHCP lease which means forcing dhclient through the full discovery and configuration process (DHCPDISCOVER–DHCPOFFER–DHCPREQUEST–DHCPACK as ...
0
votes
2answers
3k views

Connecting to multiple networks simultaneously?

Does connecting to multiple networks with different subnet in Ubuntu actually require some extra steps to work correctly? I have 2 network interfaces on my computer, one is wired nic and the other is ...
0
votes
1answer
260 views

Freezes during network activity [closed]

When I install some app from Software Center or just download Dropbox folder system begins to freeze: almost all running apps stop working and cursor freezes. How to recognize a problem? System: ...
2
votes
2answers
7k views

Connecting 2 ubuntu machines as a LAN

Hi i am trying to connect 2 ubuntu computers as a LAN. In my current setup I have: One machine running ubuntu 11.10 with Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet ...
1
vote
1answer
2k views

Unable to connect to wireless network on Dell Inspiron 1525 [duplicate]

Possible Duplicate: Wireless doesn't work on a Broadcom BCM4312 I have been using Ubuntu since 9.04 and am upgrading with every new version release. Recently I have upgraded my laptop ...
3
votes
2answers
3k views

testing dhcp server locally on one physical machine with virtual machine

I'm writing simple program to configure and monitor DHCP server on my Ubuntu 12.04. What I'm trying to achieve that my physical machine will be DHCP server and my VM (virtual machine) get one lease ...
0
votes
2answers
518 views

Setup LAN connection with Windows Guest

I want to setup a samba server on My Ubuntu host for My Windows Guest in Virtual Box. The Question is : How can I achieve this or Is it possible? Note: I am not trying to use the shared folder ...
4
votes
2answers
5k views

Server error (-5 - No address associated with hostname)

This seems to be a common problem with 12.04. I've done the searches and found various and sundry replies, but I've yet to find a solution to my situation. I've installed 12.04 32bit on a server box ...
0
votes
2answers
919 views

Network is only available in recovery mode

I am using Ubuntu 12.04, unity. If I boot regularly, there is no internet access. There is no network icon in the unity panel nor does the "network connections" program show anything. However, if I ...
4
votes
3answers
19k views

How to install Intrusion Detection system in Ubuntu 12.04

Basically i m looking for some Intrusion Detection system.... so i find snort is one of them , soi i need step by step configuration to install snort & some snort web-based monitoring tool ...
2
votes
0answers
265 views

My wireless network does not connect [closed]

I have just started using Ubuntu, and have always been using windows, so I am a bit of a newbee here. I installed the 12.04 Precise Pangoline version the other day, and everything seem to work fine, ...
4
votes
8answers
14k views

WI-FI doesn't work (Hard Blocked)

Yesterday I installed Ubuntu 12.04 for the first time (I've always been a Windows user) as I was at the office and I had the Ethernet connected. At home I only use WI-FI. When I started Ubuntu it ...
0
votes
2answers
465 views

New install 12.04 64bit dual NIC's, both DHCP, no route until one card disabled [closed]

Fresh install on Asus P7T deluxe. Which has twin NIC's onboard. Both cards have cables attached to a switch with IP's from DHCP and a valid route to the internet. Internet connectivity fails until ...
4
votes
2answers
2k views

Awesome WM Does not Search for Wifi Networks?

When I start Awesome WM, it works fine but it does not start the daemon/application that searches for and connects to wifi networks. How to make it do that both on startup as well as on demand since ...
15
votes
2answers
33k views

How to use host names rather than ip addresses on home network?

I've a small home network up and running and managed to set up ssh. Can anyone tell me what I need to do to refer to one computer on the network from another by host name rather than IP address (which ...
3
votes
4answers
2k views

Canon MP970 and Ubuntu 12.04 LTS x64 (Network Printing)

So I've got a Canon MP970 printer wich I would like to use with Ubuntu. I've searched the internet but wasn't able to find any decent information on acquiring and installing the correct drivers etc. ...
2
votes
2answers
2k views

How do I re-enable disabled network notifications in GNOME Shell?

I'm using Ubuntu 12.04 LTS. I recently disabled (accidentally pressed "don't show again" button) some network notification on GNOME Shell. There are (as I can remember): "GSM Network - You are now ...
0
votes
1answer
410 views

Network setup not working. Can't connect to the Internet in Ubuntu

I want to know how to set-up network in 12.04 using automatic settings (DHCP). I installed Ubuntu, but I can't seen to see the network connection. What can I do? My notebook has no wireless only ...
4
votes
7answers
27k views

Wireless Connected But No Internet Connection (Ubuntu 12.04)

I am using same network for 2 days and everything was normal. However, today even though it shows me as connected to the network, I do not have internet connection. If I use ethernet cable instead of ...
0
votes
1answer
87 views

A tinkered PC resets its nameserver (resolv.conf) on each boot

The Ubuntu 11.10 PC resets resolv.conf on each boot, only with a comment remaining. How do I fix this by setting the persistent storage? It was tinkered by somebody else and I (and him!) cant trace ...
5
votes
3answers
5k views

How can I force the rediscovery of PulseAudio virtual sound devices?

I'm using the PulseAudio feature of network sound devices (not Multicast/RTP) to play sound from my netbook on the audio equipment connected to the HTPC when at home. This creates a virtual sound ...
2
votes
1answer
7k views

VirtualBox: How do I ping a Windows guest from the Ubuntu?

I use Ubuntu 12.04 (64-bit) as host OS and Windows 7 as guest OS. How can I ping the Windows 7 system from Ubuntu? And is that possible even when Internet is off?
0
votes
1answer
77 views

switched to ubuntu from windows but the network is still a windows network

I was dual booting windows 7 and ubuntu on my desktop. I configured a tp-link wr940N router from the windows 7 desktop, and I'd use a windows 7 laptop via wifi. I just wiped windows and installed ...
0
votes
1answer
717 views

can't open youtube or vimeo [duplicate]

Possible Duplicate: How do I fix Flash issues? I can't open Youtube.com on computer with lubuntu and mint. I see that my flash works properly on other sites. Problem is in for example on ...
0
votes
1answer
1k views

how to connect Ubuntu computers to CentOS server?

I have a server, running CentOS installed. I would like to connect other Ubuntu PCs, to the server. How do I do that? Please help me. Its urgent.
1
vote
3answers
877 views

No keyring secrets found for [ssid] /802-11-wireless-security

I'm on Ubuntu 12.04 x64bit, installed it couple of days ago. The issue i'm having is this: on startup it connects to my wireless without a problem, but after a while I am disconnected and prompted to ...
1
vote
1answer
1k views

No internet connection after update 12.04

I updated 12.04 and then not able to connect to internet via firefox or thunderbird email. It is a wired connection. ifconfig output: eth0 Link encap:Ethernet HWaddr 54:e6:fc:85:0b:63 ...
1
vote
1answer
143 views

modified suspend mode for ubuntu

Is it possible to put ubuntu (12.04) into a 'modified suspend' mode which basically works like the regular suspend, but allows me to run my vlc for streaming video through the network, while I am away ...
5
votes
2answers
699 views

Everytime i am trying to connect to my box using SSH, its failing not connecting

From any other PC doing SSH to my Ubuntu 11.10,is failing. My network setup: Telenet ISP (Belgium) > Fiber cable < > RJ45 cable straight > to Ubuntu PC Even the SSH is running: Other PC: ...
3
votes
1answer
2k views

View users connected to ad-hoc network

I created an ad-hoc network to share my hard-wired connection with other computers/devices, but I can't find anywhere a place that shows the connections. Can I? Where is it? Assuming it exists, what ...