Managing and using network connectivity on a Ubuntu system

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Internet connection sharing from OS guest to OS host

please help me, how to share internet connection from ubuntu as guest (vmware) to Windows 8.1 as host.?? thanks my internet connection from my usb wifi. and i use ubuntu for kill wifi client and then ...
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How to re-enable wlan0 after backports disabled it

I have a PC with Ubuntu 14.10 and I tried to install backports following the instructions here (except for cooked monitor interface, compiling my own, and I couldn't check if I had ath10k firmware, I ...
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Need Help I Keep Getting Internet Error Connection When Installing Via Software Center [duplicate]

I tried installing this following deb files via software center: skype,gimp and odesk team room application. But I keep on getting Internet Connection Error. But I can open my Internet on my Browser. ...
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establish direct connection to wireless devices

how are you all .. hope you fine .. here is the thing .. i'm using Ubuntu and i want to connect to devices in the same network .. i tried Arp-Scan .. but seems it's just viewing who are connected ...
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1answer
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Juju fails to download the charm - dial tcp: lookup store.juju.ubuntu.com: no such host

I'm trying to deploy juju gui on my maas controller but juju is unable to get the gui charm. This is the error I get: ERROR juju.cmd supercommand.go:323 cannot download charm "cs:trusty/juju-gui-16": ...
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MAAS cluster/region controller differences

If the region controller contains the web interface and API which multiple cluster controllers can talk to. Why is setting the address for node management (e.g PXE booting DHCP etc) done by 'sudo ...
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3answers
30 views

wireless lan not working in Toshiba Satellite L 510

I have installed Ubuntu 12.04 in my Toshiba Satellite L-510 laptop where wireless lan is not working. I have Realtek wireless network card installed in it. In system settings > network - it is ...
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Juju misconfigures neutron setup ?! Cannot connect to instances

Setup is as follows, workstation <-> Maas server <-> 3 VM's - Instances Maas Server and the VM's are deployed in vSphere. The Maas server's eth1 has 10.4.x.x which is acting as DHCP manager ...
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Problems with connecting to internet after installing Ubuntu

Hi I'm new to this ubuntu and need some help... after installing ubuntu V-14.04.1 x64 side by side with windows 7 I lost the connection to internet when I load back the windows...works fine in ubuntu ...
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38 views

Deluge download speeds too slow

Total noob to Linux and Ubuntu. Dual Booted Ubuntu 14.04 and Windows 8 in my Dell Studio 1558. Everything was working fine until I noticed that my torrent speeds are very less. I tried it again with ...
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No Network Connection in ubuntu 14.04

I am using 14.04. I am connected to our home network by dhcp and my ip address is reserved. The problem is that sometime after turning on my pc it cannot detect the lan connection i need to restart it ...
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wlan0 after reboot not working - but works fine every time if manually setup

A lot of related posts seem to be hardware specific or due to hardware issues, which I don't appear to be having, since everything works fine so long as I setup wlan0 after boot and after logging in. ...
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1answer
26 views

Networking is disabled after waking up from hibernation sometimes

Sometimes when I hibernate my laptop It's not able to connect to internet(neither ethernet or wi-fi) after waking up. The icon on panel says "Networking disabled" and can't be switched back on by ...
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1answer
116 views

14.04 LTS Ubuntu wifi stops working and disconnects after few minutes from rebooting

I installed ( ubuntu 14.4 ) 2 days ago (it's important to mention I'm still a beginner). On the first day my home WiFi worked fine, but on the second day and until now my WiFi stopped working and if ...
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1answer
36 views

Ubuntu Network with 2 Computers

I try to make an ethernet network of 2 Computers, both with Ubuntu. I am using cross cable. I tried to connect them as shown here. How to network two Ubuntu computers using ethernet (without a ...
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1answer
68 views

What is the meaning of p3p1, p2p1, p1p1 network device?

The devices that used typically to be called eth0 now seem to be p3p1, p2p1, p1p1. I presume the name means something, but have been unable to find out what. I think it is not related in any way to ...
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45 views

Cannot connect to home Wifi in Ubuntu 14.04

I'm a novice. I have been using Ubuntu 14.04 in dual boot with Windows 7. I can connect to my home Wi-fi using Windows 7, but it just doesn't show up on my network list in Ubuntu. I have tried ...
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62 views

Public IP address hides device from network

I have flashed a mini-image of Ubuntu 14.04.1 LTS onto my BeagleBone Black. (Find latest BBB image). The BBB is connected to my home Router via Cat5 AND USB cables. Understandably, I can directly SSH ...
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Unable to upload files with any browser on Ubuntu 14.04, why?

please, I need your help. I have a weird problem. I am unable to upload files to gmail, gdrive, facebook nor other website with Ubuntu 14.04 I am able to ping google, watch youtube videos and ...
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37 views

create a WiFi Hotspot behind authenticated proxy

I know the subject sounds like it have been treated, but please, hear me out. I installed a HotSpot over 3G modem by following this (almost) tutorial. How to setup an Access Point mode Wi-Fi ...
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80 views

Ubuntu14.04/Mint17.1 Wirless issues, Randomly Disconnects [closed]

I am currently experiencing a problem with both(32bit) Ubuntu 14.04 & Mint 17.1 wifi. After a fresh install I am able to view and connect to networks but receive no Internet when trying to browse ...
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dig doesn't work in Ubuntu 14.10, works in 12.04 in the same network

I'm having an issue when trying to use dig at one of my computers running Ubuntu 14.10 Desktop 64 bit. The same works in Ubuntu 12.04 both at separate physical machine and running inside VMWare ...
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How do I see my simple windows network shares on Ubuntu 14.10 [duplicate]

I installed Ubuntu 14.10 on a Desktop, 8 gigs Ram, 1TB HD, GB Network. I want to be able to see my simple windows shares on my W7 Home File Server. How do I do this?
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32 views

Wifi disabled by hardware switch: bug or failed hardware?

I have a weird problem which I suspect due to a hardware failure, but I would like to make sure. On a Panasonic Toughbook CF-T5, running Kubuntu 12.04. Dual boot with WIndows XP but I don't think ...
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73 views

Ubuntu 12.04 - Can't Resolve Hostname

I have a small dedi server on which I have installed Ubuntu 12.04. I access it via x2go since I have a desktop installed. All worked fine until 2 days ago when, after a reboot, I lost any Internet ...
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Ubuntu wireless connection in Ubuntu 14.10

i am connected to a open Wireless network in my Ubuntu 14.10 and i want to connect my android over Ubuntu wireless via a Hot spot. i tried downloading ap-hotspot but it doesn't work please help
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Is it possible to access an Ubuntu server on multiple networks?

I hope someone can help. I have Ubuntu Server 14.04 LTS running in VirtualBox, running as a web server on my laptop. I take my laptop between home and work, so the network configurations are ...
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1answer
34 views

linux gateway / firewall IPtables config

The KVM host is acting as a gateway / firewall for all of the virtual machine's it runs. It has a /26 public IP space configured on LAN interface em1: 1.1.1.1/26 It has a /30 rfc1918 IP configured on ...
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RT3290 works poorly or not working

First of all, sorry for my poor english. I have a laptop HP Compaq CQ58 Ralink RT3290 a WiFi chip, and I installed Ubuntu 14.04.1. The functional wifi wrong. Sometimes intermittently, and sometimes ...
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1answer
83 views

Ubuntu 14.04 booting system without full network configuration

I've messed around with my network settings lately and I have no idea what I've done, but now my wifi doesn't seem to be working right. When I boot my system up I get the message booting system ...
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networking stop/wait error while while configuring openstack

I am trying to connect my virtual machine to connect to the host internet service but it is not connecting to the internet. I am currently using HOST-ONLY configuration.
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Problems with aircrack-ng

i`m trying to crack an wifi , but when i type sudo airmon-ng start wlan0 it shows this: Found 4 processes that could cause trouble. If airodump-ng, aireplay-ng or airtun-ng stops working after a ...
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Need Cause/Fix for exception: ndiswrapper (ndis_encode_setting:383): unknown type: 3

I recently installed a Linksys AE1200 USB Wifi adapter in my laptop PC running Ubuntu release/version 14.04 using the ndiswrapper as the driver interface since there isn't a native driver for version ...
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29 views

How can I get an Internet connection from another computer using Ethernet?

My wife and I use our laptops in the dining room. Our wireless router is in the computer room, which is far away. We connect using the our laptops. Unfortunately, my wireless adapter just broke. My ...
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37 views

Wifi losing connection randomly

I'm under xubuntu 14.10, and my wifi keeps losing connection randomly. After 1 hour or so of browsing, my internet connection will not work anymore, however, the wifi is still connected. If I ...
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1answer
41 views

Cannot connect to network after upgrade to Ubuntu 14.10

Hi guys please I am new to ubuntu, I recently upgraded my laptop to Ubuntu 14.10 from 14.04. Before this upgrade things were working perfectly fine. Currently, It looks like my graphics drivers are ...
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FTP and browser network connection issues in 14.10 Utopic

I have a remotely hosted website. For long I could FTP into it and upload web content, but now when I try, Nautilus tells me after a long waiting time that "oops, something went wrong". Normally I ...
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Ubuntu Server 14.4 LTS Server connectivity Issue with windows clients

I have installed Ubuntu Server 14.4LTS and Samba File Server few weeks back. All my clients are on windows 7. Since then I have been having intermittent problems as mentioned below. 1. clients ...
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28 views

TP-Link WN-772N does not work under Linux

I am totally new in Linux environment so sorry for my lack of knowledge. I am engineer and I want to try CAELinux which base on xubuntu 12.04. I have installed it and everything works fine apart from ...
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How to connect 2 virtual machines over same network in vmware

I want to create a cloud using openstack and I am using 2 node network configuration. I had created ubuntu 12.04 server which runs on my host (windows 8) by using vmware. I have 2 vmachines of ubuntu ...
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Virtualbox server 13.10 port forwarding through router access to static IP/internet

I have an Ubuntu 13.10 server guest setup in Virtualbox (I have a windows8.1 machine). My question is: how to setup port forwarding to access the webpage from the internet. I have disabled the ...
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1answer
111 views

wlan0 not showing up ubuntu 14.04

I type iwconfig, but wlan0 is not showing up, which means that I cant make use of the wifi connection. Is there any way to solve this? I searched on the internet, tried everything. ########## ...
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Wifi Problem, Wifi Connected but no internet connection. 14.04

I am currently experiencing a problem with my Wifi after installing Ubuntu 14.04, I can see networks and connect to them but when I try to browse the web it just continuously tries to connect to the ...
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100 views

Apache - Firefox can't establish a connection to the server at localhost

Im not able to access my localhost server by firefox. Im using apache, and ive tried to run the following commands $ service apache2 status * apache2 is running $ sudo service apache2 restart * ...
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1answer
38 views

linux ssh error while connecting to the host

I lately bought a host on godaddy, everything was working well until i started getting bothered to always have input the password and decided to use id_rsa to be able to get authenticated ...
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1answer
51 views

scan for wireless device in ubuntu 14.04

I am looking for a command to scan for any connected wireless device to my computer. My computer has a problem that the wireless device getting disconnected if i put my hand on some part of it, so I ...
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56 views

Configuring VPN client by network-manager/pptp-linux

I am trying to configure VPN client by network-manager-pptp/pptp-linux on ubuntu. Connection failed after configuring vpn, here is the syslog, ...
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`curl ifconfig.me` behaving differently in shell script

I just tried a simple menu based shell script to get the public ip of my system. using ( curl ifconfig.me ) .. but I found it behaving differently. here I tried with: anupam@JAZZ:~/Desktop$ cat ...
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Pass LLDP frames through a bridge instead of consuming them

In Ubuntu 14.04, is it possible to pass LLDP frames through a bridge instead of consuming them? I know that technically, this is against the IEEE LLDP spec, but I still want to do it. For example, ...
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Network applet not working

My question is regarding the command nm-applet I am receiving the following error whenever I am typing this into the terminal. ** (nm-applet:7225): WARNING **: Couldn't connect to accessibility ...