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

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nm-tool command does not give ipaddress

Im trying to use nm-tool to get the default gateway address but does not list everything. Here is my command and output. vagrant@vagrant:~$ nm-tool NetworkManager Tool State: connected (global) - ...
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5answers
11k views

Last upgrade crashes network manager (no internet connection, no applet)

While upgrading today, something caused my wireless network manager to disappear. Not even connecting via wired connection. This error is being shown by files: **(nm-applet:2716): WARNING **: Could ...
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61 views

The ethernet cable is not detected

I updated my Ubuntu 14.04 lts, but after I rebooted it, it didn't detect the ethernet cable. I tried opening the network manager but it says that the network services are not compatible with this ...
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26 views

Problems adding an interface to resolv.conf

I'm having problems with my network, and it it just with Ubuntu. If I do: ping www.google.com ping: unkown host www.google.com But: ping 64.233.198.147 Gives me ping. Info: Ubuntu 15.10 ...
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20 views

Lenovo ThinkPad R61 on Ubuntu 15.10: Mobile broadband USB stick needs annoying number of trials until it eventually connects

I'm on a Lenovo Thinkpad R61 running Ubuntu 15.10 and have been doing so since 8.04 with this machine. Since a few weeks, maybe 2-3 months I've been experiencing troubles with the wireless broadband ...
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2answers
120 views

WiFi failure in Ubuntu 14.04

My WiFi connection's been working fine for months and suddenly conked out. It's not the WiFi itself, as my phone and other machines can use it fine. It's my computer that can't connect to it (nor to ...
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48 views

airodump-ng fopen failed: No such file or directory

I was trying to test a wpa wifi network. I wrote the following command airodump-ng -c 11 --bssid 34:5B:34:7B:AC:66 -w /root/Desktop/ mon2 Note: The BSSID I have posted here is wrong for of course ...
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53 views

Ubuntu-GNOME - nm-applet icon just disappears when usb-tethering is active

I don't actually use UbuntuGNOME distro, but rather installed ubuntu-gnome-desktop package on the stock unity-based version of trusty. All other things are smooth after transition, except this one ...
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1answer
35 views

Ubuntu 15.10 Wifi Hotspot

As of now i can only create Access Point (AP) wifi networks with open security. I want to add WPA protection to this hotspot. However whenever i try add this the option is always greyed out. I have ...
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34 views

Ethernet not working but wifi does

I have never used ethernet on my pc since install. Now I tried to connect it and it seems to try using 802.1x security(asks for credentials) on my home network.When I try to disable that security, I ...
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19 views

What alternatives are there to NetworkManager? [duplicate]

I am relatively new to Ubuntu 15.10 (with gnome), formerly using openSuse (with kde). So far, my impression is that Ubuntu (or gnome?) is not as good as openSuse (or kde?) in using internet. My ...
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18 views

NetworkManager won't auto connect with a VPN set to auto

Up until about a week ago my ethernet and VPN were automatically connecting fine, but now if I have "Automatically connect to VPN when using this connection" checked the network fails to connect ...
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14 views

Ubuntu 12.04 Server turning up 6RD router functionality + tunnel

I need to use my Ubuntu 12.04 server to set up an IPV6 6RD router and create a tunnel from server for use with testing via Spirent Test Center. Cannot get tunnel to set up. Following standard ...
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0answers
37 views

Laptop DNS broken after use on another network

I have a laptop running Xubuntu 12.04 Desktop 32bit. It was a clean install about 3 years back. I took it abroad recently and used it on somebody else's network. I was getting intermittent name ...
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0answers
7 views

Ubuntu 15.10 Network Interfaces Name [duplicate]

I have just installed (fresh-installation) over VMware Workstation 10 an Ubuntu 15.10 64-bit virtual machine. Here, network interfaces names have been changed from 'ethX' to 'enXXXX'. My target is ...
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12 views

Network Manager does not store Passwords any more

Since I updated to v14.04 I have the following issues with my Network Manager - accessing VPN (openvpn) profiles takes a long time ~1min - executing VPN (vpnc) profiles takes a long time ~1min - ...
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1answer
19 views

Can the hotspot created in XUbuntu visible to windows devices?

I created a wifi hotspot in Xubuntu following the steps in : How to setup an Access Point mode Wi-Fi Hotspot?. However I noticed the following : 1. My OnePlus one device was able to see the wifi ...
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28 views

WPA2 and EAP cannot connect like other devices

My company uses WPA2 Enterprise encryption. I entered everything like so. I have seen this issue a couple of times on this forum, but I have a slightly different question. We connect to this WIFI ...
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1answer
28 views

My laptop cannot detect wifi

Please help me to solve my problem,the following is detail of my device http://paste.ubuntu.com/14575114/ ########## wireless info START ########## Report from: 19 Jan 2016 20:18 WIB +0700 Booted ...
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1answer
104 views

How to configure rtl8723be to detect wifi networks (solved for HP laptop)

This condition is associated with: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1240940 I am using a rlt8723 wifi card with Kubuntu 15.10. The card is configured as shown: ifconfig: ...
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0answers
96 views

Mobile broadband somehow did work in Ubuntu 15.10, but fails now

I recently switched from openSuse (KDE) to ubuntu 15.10 (Gnome). I'd like to use a mobile broadband Huawei USB stick, that did work in openSuse. However, I am having trouble using it in ubuntu. For ...
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1answer
36 views

Wifi doesnt work after wake from suspend

After waking from suspend, my wifi doesn't work. I'm using a USB wifi adapter. In the Network Manager indicator dropdown, "Enable networking" is checked, "enable Wi-Fi" isn't appearing at all. When ...
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14 views

High latency spikes BCM4352

Here's the facts: Using Ubuntu 15.10 Using network-manager (also tested with wpa_supplicant) Using bcmwl_kernel_source (unable to compile broadcom_sta, other kernel_source versions are not working) ...
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1answer
27 views

How to moniter network usage through my Dongle, not laptop

I have been using nethogs to track my network usage but it seems to only track usage to and from my laptop. I would like to track all usage that passes through my mobile wifi unit. I have allowed ...
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23 views

Setting wlan static ip for ubuntu 14.04 laptop

I have read related links and followed them.. standard solutions of editing /etc/network/intefaces have worked fine on other laptops but not working on one of my laptops.. Here is my ...
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12 views

Can't connect to my class network

For some reason I can't connect to my computer science class network. We all have our own UN and PW. I have no problems connecting to other wifi networks. I tried to change to IPv4 settings too but ...
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0answers
15 views

NetworkManager still managed unmanaged interfaces

I am using Ubuntu 15.10, I have included in the etc/interfaces the ethernet interfaces that I do not want to be managed by the NetworkManager setting them to manual. I have also modified the ...
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0answers
39 views

Dns probe finished no internet, mobile broadband Ubuntu 15.10

I try to connect my internet dongle to Ubuntu 15.10 as usual step that carry out in creating new connections in Ubuntu. But I see strange behavior are they, I can't choice preferred connection type ...
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36 views

Ubuntu 14.04 StrongSwan VPN Client

I need to connect to a VPN from Ubuntu 14.04. I've read that OpenSwan is now deprecated and so I should be using StrongSwan instead. However I'm having trouble locating any simple VPN client ...
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36 views

How can I stop NetworkManager from overwriting my '/etc/resolv.conf' file?

I have manually changed the DNS setting to avoid DNS - leaks and I dont want NetworkManager to rewrite my file all the time. # Generated by NetworkManager search <ispnamehere> nameserver ...
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0answers
25 views

Wifi stops working after sometime

I am using Ubuntu 14.04LTS, Wifi stops working after sometime.It shows that ubuntu connected to wifi , but no input data. I need to restart network manager everytime to get it working. any solutions ...
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25 views

a strange situation with wicd network manager

Before I explain the problem, let me tell you the strange situation : I successfully get connected to WiFi hotspot I create from Android phone to use its data service using wicd. But I can't browse ...
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23 views

ubuntu 15 suddenly drops networking

I freshly installed Ubuntu 15 and everything was working fine. After an hour of surfing the Internet , suddenly , all the network connections got dropped , i was even unable to ping the local ...
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61 views

L2TP Network Manager plugin cannot be installed

I'm using ubuntu 15.10 and a beginner of Linux/GNU system. I know almost next to nothing about VPN's detail too. So the terminology about VPN might be wrong. I and my colleagues use a server with ...
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0answers
23 views

Accidentally lost network manager [duplicate]

On Ubuntu 14.04, the internet kept disconnecting. So, I decide to restore connection ability, but I am new to linux. I typed: sudo apt-get purge network-manager The wifi icon on the top right was ...
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14 views

Lubuntu 15.10 secure network indication missing

I installed latest Lubuntu 15.10 and I can not see in the list of WiFi which one is protected and which one not as it was in previous versions. Anyway, the locker icon is presented in the folder of ...
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22 views

Ubuntu 14.04 not connecting NEED HELP

Im new to Ubuntu I just built a computer and ran out of money for windows so I'm using Linux in the mean time but it's giving me trouble with connections to the Internet iv changed ...
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1answer
22 views

Unable to connect to wifi when wifi switched off and on again

I am able to connect to wifi on login, but sometimes, when the wifi switched off and on again, it is not connecting again. Usually, I put downloads and close the lid. When I see after sometime, wifi ...
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0answers
44 views

My wireless keeps disconnecting in 14.04 (14.04)

My wireless keeps disconnecting from the networks within 10 minutes after I boot up. It keeps trying to connect to the network, but it fails. I can see several networks at that time. I then try to ...
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1answer
59 views

Can't access wireless network after modify /etc/network/interfaces - Ubuntu 15.10 [duplicate]

I have just installed Ubuntu 15.10 on my PC and I want to reconfigure network interfaces. I added /etc/network/interfaces file as follows: auto wlan0 iface wlan0 inet static address 192.168.1.4 ...
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0answers
174 views

How do I remove the long name given to my internet connection?

The other day my computer randomly started displaying the full name of my ethernet controller as you can see here: I'm fine with it saying Ethernet Controller like it used to but having the whole ...
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1answer
22 views

How to monitor NetworkManager connectivity?

I want to start a certain application when NetworkManager connects to certain WiFi. But from DBus, I could not find such signal from NetworkManager except a notification of libNotify. Is there a more ...
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0answers
22 views

connect to wireless internet

I use Ubuntu 14.04 I don't have (softwre & update) in my setting. In section "system", I just have date & time, details, sharing, universal Access, User. And I don't have wireless icon in my ...
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0answers
26 views

Launch mobile broadband assistant from cli

Is there a way to launch the mobile broadband assistant from cli? I'm setting up a kiosk-like system, where the user is limited to a chrome tab in kioskmode. I dont have the notification area, but the ...
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1answer
35 views

Unable to Scan wifi Network with Reaver

I'm trying to crack the WPS code using Reaver! So far I can only get to the step where it is supposed to scan the networks... What am I missing? here is what I accomplished already: ...
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1answer
106 views

How do I use OpenConnect via Network Manager to connect to Juniper VPN?

The more general question: How do I pass arguments/switches to the client in Network Manager? In order to connect to a Juniper VPN using OpenConnect, I use the following command-line: sudo ...
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57 views

How do you fix DNS_PROBE_FINISHED_NO_INTERNET

I am running Ubuntu on a lenevo x1 carbon. My WiFi and internet is working on my Android and windows devices but not Ubuntu. When trying to use an internet browser I get the following error. ...
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32 views

Stop wpa_supplicant from re-loading on boot, or kill it

Running Ubuntu 14.04. Im playing with controlling the wifi connections via a python script to scan, select and monitor SSID's, signal strengths, etc. After scanning and storing my wifi information in ...
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1answer
45 views

Multiple NIC's, Multiple Subnets, and Multiple Gateways

It's time to ask the pro's, as I have read all of the answered questions, tried numerous suggestions for related questions on the forums and I cannot seem to get this right. Question: How to allow ...
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1answer
49 views

I have a Sony Vaio SVT131Aiil. The wireless does not show up as an option in network manager

I have no wireless connections. We recently switched our internet service provider and I cannot see the new wireless router/modem. This is the output from the wireless info script: ======== ...