NetworkManager is a set of co-operative tools that make networking simple and straightforward.

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problem with network connection

I have problem with network manager and nm-applet. the network icon doesn't show up in the panel. also I can not login into a network from network manager because the password screen is missing. in ...
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54 views

Intel e1000e NIC - Can't connect to internet if computer overclocked 14.10 + 14.04

I have a Gigabyte GA-X79-UD3 motherboard which has an intel Gb Ethernet 82579V (e1000e) wired connection. I am running the most recent bios F20 and have updated the Ethernet bios to v1.5. I usually ...
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27 views

reset network to its defaults

I don't know how but i had messed up with some installations. At present my Data-card doesn't detects under mobile broadband but can be seen while executing 'lsusb'. Is there a way to reset the ...
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31 views

D-Link DWM-156 doesn't get detect on (K)Ubuntu 12.04

I bought a D-Link DWM-156 3G Modem to connect on my laptop running Kubuntu 12.04. When I plugged the modem on the usb port it showed on dmesg as a CD-ROM device, which I mounted to see what was ...
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27 views

Monitor PPPOE connection with vnstat

I've try vahid@DEMON:~$ ifconfig eth0 Link encap:Ethernet ... lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 ... ppp0 Link encap:Point-to-Point ...
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38 views

Ubuntu Software Centre fails to download package files

yesterday I got an issue with the internet connection, after I've made some operations with the network manager. The problem has been thoroughly described and partially solved in the following ...
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1answer
33 views

Firefox ins't able to load most of the pages. Network manager issue

I apologize in advance if there are any inaccuracies in the way I'll expose my problem... I'm not an IT expert but I'll try to do my best. So, I'm using Ubuntu 14.04 and the thing is that Firefox ...
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26 views

No Wifi icon and can't connect to Wifi with passwords

I installed Ubuntu 14.04 on my laptop. The home wifi network I used, the first one, is the only one I can connect to. Not the one at work or anywhere else. In Network Manager the connect and settings ...
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23 views

Not able to see Network Gnome Settings in Ubuntu 14.04

I just install ubuntu on my mac machine using virtual box . I did this first time . The problem I am facing is I am not able to see network panel on ubuntu's settings . So I am not able to connect ...
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77 views

Unable to get a DHCP address with Network Manager

I have XUbuntu 14.04.1 LTS and I've just started having a problem where Network Manager is unable to get a DHCP address for my wired Ethernet connection, but if I stop Network Manager from running and ...
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2answers
60 views

How to create a script that will connect to a specific network

Using the integrated Network Manager, I created a new VPN Connection, called 'My VPN'. When I click it, it connects - great. Now I need to automate it a bit. Is it possible to write a script which ...
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90 views

Able to access web by ip, but not by dns name

I'd like to post a solution to a problem I've encountered in my university. The issue is closely related to this post. I asked the user whether or not he found a solution but he never responded. In ...
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35 views

Network Issues - Wired and Wireless Network Not working

I'm new to linux and ubuntu. I have installed ubuntu kylin. Now I'm having an issues that is the wired or wireless connection will not start automatically. I tried to restart the network manager but ...
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42 views

NetworkManager not remembering passwords

For new wireless networks that I've added recently to my Ubuntu 14.04 system, the system will not connect to them if I choose the wireless network from the drop-down menu. It does not seem to even ...
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889 views

Wifi issues after fresh Ubuntu 14.10 install

I've recently did a cleain install of Ubuntu 14.10. Unfortunately I'm having network issues: When I try for the first time to connect to a secured Wi-Fi network (EAP/PEAP, MSCHAP), it works. ...
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1answer
81 views

Which IP addresses do I enter in /etc/network/interfaces?

I am trying to setup a webserver with Ubuntu 14.04 Server. I am struggling with the /etc/network/interfaces file. This is my setup. Router IP 192.168.1.254 Externel static IP 212.195.**.*5 (Blanked ...
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27 views

Unable to edit network changes via GUI

I had a problem with ethernet so I recently re-installed all drivers using sudo apt-get install --reinstall linux-image-`uname -r` Yesterday after restarting my settings were changed to previous ...
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1answer
35 views

ubuntu server: network precedence (wired before wifi)

I'm running Ubuntu Server 14.04, and have both "auto wlan0" and "auto p4p1" in my /etc/network/interfaces file as I have both a wifi card and a network port (described here). I want the computer to ...
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62 views

Set up DNS (14.04, desktop)

I am looking for a way to set up DNS. What I'm looking for would preferably be something like the menu in point 3 on this site http://support.unblock-us.com/customer/portal/articles/291525 eg. the ...
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1answer
94 views

KDE workspace gone after update 14.04 LTS

Yesterday (21 Oct 2014) my development machine said it had to be restarted due to an update. After rebooting and logging in I got no desktop manager. There happened to be an open konsole. After ...
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88 views

nm-applet: No Certificate Authority certificate chosen

I have access to a wireless network that uses Protected EAP (PEAP), and requires a certificate. I don't have the certificate installed, and after I enter my password for the network it complains that ...
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58 views

Can not connect to ethernet, only VPN is visible

I am new to Ubuntu. I have installed Ubuntu on my computer, and now I am not getting ethernet (trying to connect wired connection) option in my network manager. VPN is the only option that is visible. ...
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12 views

import multiple VPN configurations

I can export a VPN configuration and reimport it on a different machine. But I need to do this for a dozen different connections (10>) on multiple machines. Is there anyway I can import these ...
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99 views

Error message when I want to connect to VPN gate

When I want to connect to vpn gate ,I get "vpn network service start failed" in Chinese,and syslog get msg like this Oct 20 13:28:15 sura-K55DR NetworkManager[1249]: <warn> nl_recvmsgs() error: ...
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124 views

Network Manager unexpectedly disconnecting from wireless

lspci: Oct 19 13:49:57 linux NetworkManager[850]: <info> NetworkManager state is now CONNECTED_GLOBAL Oct 19 13:49:57 linux NetworkManager[850]: <info> Policy set 'ECURB' (wlan0) as ...
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1answer
95 views

setting VPN in ubuntu 14.04

I am trying to connect to a vpn on Ubuntu 14.04 Got a lot of tutorials over the internet. Also refered to some questions on askubuntu.com, like this one How to access blocked sites?. But its still not ...
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1answer
43 views

How to remove network connections manually that aren't displayed in Edit Connections dialog?

I have collected several network connections over time. When I go to Network menu in topbar, and to Edit, the Network Connections dialog shows just one out of three connections. The other two are not ...
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214 views

eth0 connection fails

I'm getting really frustrated with Ubuntu 14.04 at this point, after having to solve so many problems with it. I use my current laptop at work, and there it seems to actually be able to connect over ...
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65 views

Can't access internet via ad hoc in Ubuntu 14.04

I've got very weird situation. I have PC with ethernet and wireless. On PC I've created ad hoc network in Ubuntu 14.04, and I'm trying to connect it with my laptop Ubuntu 14.04. What is weird: ...
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39 views

Yet another “Internet is not working fine on 14.04” question. Tell me the output you need and I'll paste it

I installed Ubuntu 14.04 on my brand new laptop and got this annoying behavior: wireless connection works fine the first minutes and then it just stops working at all. Network manager says it is still ...
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25 views

Regarding Connection activation of Wired connection

While I am trying to connect the broadband wired connection, it is showing a 'Connection failure' window with the message (1) Creating object for ...
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55 views

How to automate running dhclient (without sudo) when starting a mobile broadband connection?

I use a mobile broadband dongle to connect to the internet but I'm able to download/upload only after executing manually sudo dhclient everytime I turn the connection on from the network manager menu ...
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167 views

Wifi not working (Greyed out in NetworkManager)

Things I've tried First off let me start by saying sudo ifconfig shows it up. and rfkill shows it unblocked. And im doing this all from a nonroot account. Also wifi DOES work on pure debian. sudo ...
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1answer
196 views

Configure GSM connection using shell (nmcli)

I have a system without X display and I want to use nmcli to configure my usb cell modem. I can get the modem working using Ubuntu Desktops GSM-Wizard (X/GUI). But what is the console alternative on ...
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1answer
120 views

macchanger doesn't work properly + something automatially changes my MAC address

I have noticed strage macchanger/NatworkManager/Ubuntu/??? behaviour. When I try to change the MAC address it gives a strange error. The address is changed although, but only for ~30 seconds. Then it ...
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66 views

The system is not shut down in Xubuntu

I try to shut Xubuntu down properly from the shut down button. However, it just goes to the black screen with the word "Xubuntu" with the "wait for state stop/waiting", and stays there all night. The ...
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117 views

WiFi drivers: why unique comp + router pair = 20x slower network?

Update 14 Oct 2014: whole post The situation (by speedtest.net): My notebook built-in wifi reaches internet speed max of 3.3 Mb/s for a specific router. Other computers can get 20-40 Mb/s there. ...
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209 views

Ubuntu 14.04 ethernet connection problem

I've just upgraded from 12.04 to 14.04, and when I disconnect the ethernet cable or I suspend, network manager keeps trying connecting 4-5 times, with failures, and then finally succeed. If I restart, ...
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1answer
66 views

MenuBar in the right corner doesn't work

My Menubar doesn't show the icons for "network-manager" and the "indicator-multiload". It worked fine until today. Here is a screenshot: I want that it looks like this: I'm using a VPN and ...
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1answer
310 views

installing privateinternetaccess on ubuntu 14.04 LTS

I can't seem to get privateinternetaccess installed on Ubuntu 14.04 LTS. I have installed openvpn (via Ubuntu software centre). I followed PIA's suggested directions to get their portal details ...
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1answer
341 views

Wifi Icon Missing

I know there are current threads that have been solved for this issue, but none of them have seemed to help me. I'm using Ubuntu 14.04 My wifi icon on the top has disappeared, I can still connect ...
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106 views

Can't connect to Internet (Ethernet or WiFi) after 14.04 upgrade on ideaPad U530

I am currently unable to connect to the Internet on my newly upgraded Ubuntu 14.04. Network Manager is able to identify wireless networks, and it can detect when I'm plugged into an Ethernet ...
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1answer
101 views

nn-applet (network-manager) can find security agent

Under Ubunutu 14.04, when trying to connect to an openvpn server via nm-applet I get the response in /var/log/syslog NetworkManager[3590]: <error> [1412801125.247964] [nm-vpn-connection.c:1374] ...
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1answer
123 views

Ubuntu 14.04 network manager crashes every time after login

I am using 64 bit Ubuntu gnome 14.04 LTS. Earlier, Ubuntu 14.04 was running smoothly on my laptop. But suddenly, since yesterday Ubuntu network manager started crashing every time after login or ...
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123 views

disabling network managers effects

I was wondering what effects disabling the network-manager would have? I have two Ethernet interfaces declared as static in my /etc/network/interfaces file. When these two are declared the boot ...
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1answer
49 views

Exactly what is the definition of Ubuntu's airplane mode?

I am trying to understand what Ubuntu's airplane mode is, not in concept but in implementation. Aside from the visual indication of it in the GUI, exactly how is this state defined? Is it defined ...
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2answers
61 views

Network manager start access point

I have a pcDuino and I need to start a access point using network-manager. I know this can be done by creating a new connection and setting the mode to ap. It says that this mode is not supported but ...
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1answer
272 views

Network notification after installing kde-nm-connection-editor

I have installed plasma-nm on my Ubuntu 14.04. Beside nm-applet's notifications plasma-nm also started generating notification about available networks and wlan0 association with selected networks. ...
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177 views

Can't get my wired connection to work

Wireless works fine without any problem, but wired connection is not working for me. I'm running Ubuntu 14.04. I have tried to follow a number of different topics, mainly these; ...
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44 views

After Installing wpagui [Software Ctr] the Network Manager Icon from Panel is Missing in 12.04 Precise

I did install through Ubuntu Software Center the package wpagui (which was proposed from the Dash Apps). This app was not working ... Then after a reboot the Network manager Icon from the Panel was ...