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

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I can connect to the network even though the network indicator says “disconnected”

When I disconnect from the network using the network manager tray "disconnect" command, I can still browse the Web and ping servers even while the menu shows me as being "disconnected". I have only ...
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27 views

Disconnecting and reconnecting to the network via suspend or network manager disconnects from OpenDNS

I use OpenDNS on my wired network connection for resolving DNS queries (as shown here). This works normally from system start up as can be verified from visiting the OpenDNS test page at ...
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25 views

Network Manager OpenVPN

Does anybody know how to use Network Manager with OpenVPN TLSv1.1 and TSLv1.2 ? It seems a shame that network manager doesn't have any advanced options that allows you to enable/disable some features ...
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43 views

Is it normal that network-manager manages virbr0? [closed]

I recently upgraded to vivid (I know it's still WIP), and have found that network-manager shows an interface virbr0 as Connected. virbr0 is an interface added by libvirt to handle networking ...
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2answers
181 views

How to connect to a VPN without using Unity network manager?

I have set up a VPN connection back when I used Unity instead of XFCE as DE for my Ubuntu 14.10. It worked well, but I can't find how I have to connect to it now under XFCE. Is there e.g. a panel ...
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1answer
72 views

How to disable wireless from command line

How do you disable the wireless Internet from the command line? I tried sudo ifconfig eth1 down but network-manager seems to ignore this and keeps trying to reactivate it. What's worse is the ...
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1answer
88 views

nm-applet gives errors

nm-applet always gives me a hard time when connecting to wireless. I often have to restart it and make several attempts till it connects to a network. This time I ran it from CLI and I got this: ** ...
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1answer
70 views

wlan1 interface disappeared from ifconfig

I was trying to make a virtual interface on my wlan1 card (like set hostednetwork from windows) by editing /etc/network/interfaces: auto wlan1:0 iface wlan1:0 inet static address 192.168.4.1 netmask ...
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1answer
367 views

Wifi stop working after while on Ubuntu 14.04.2

Yesterday I bought new laptop Lenovo E540 and I installed here Ubuntu 14.04.2. But I've problem with my wifi (router is Dlink g version). I can connect to wifi without problems after turning on ...
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161 views

What is Network-manager trying to do with rdisc?

I have quite strict firewall setup using (g)ufw, allowing only some known to be useful outgoing traffic and denying the rest. I have noticed these recurring messages in syslog, and I'm wondering what ...
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2answers
88 views

Internet does not work over wired connection after removing pppoe configs

Internet over router using ethernet cable worked fine before I did any manipulation with PPPoE on my computer. After configuring PPPoE and testing some things I had to rollback configurations added ...
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41 views

Ubuntu 14.04 Network Manager Crashes in CA Certificate Dialogue Window

I'm trying to connect to my university's eduroam wireless network and they give us pretty clear instructions on how to do so. One of the things they tell us to do is to proceed without a CA ...
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72 views

Wifi struggles mightily to connect, initially

I get reams and reams of this, then something catches, and I'm fine. This is Ubuntu 14.04.2 LTS lspci output: 01:00.0 Network controller: Qualcomm Atheros AR9462 Wireless Network Adapter (rev 01) ...
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1answer
62 views

Ubuntu installed on MAC has ethernet and WIFI problem

I have problems with my Internet connection and interfaces. I will give those info below to help and explain my problems. 1- Ethernet (cable): Internet works through cable but only if I boot ...
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16 views

HTTP Port forwarding for Ubuntu 14.04 using Data Dongle

I have a data dongle which is connected to my Ubuntu System using USB Port. I can access my computer remotely over Internet by accessing the WAN IP address of the dongle. I have another embedded ...
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32 views

NetworkManager yields error when connecting via new wifi adapter

After assembling a new wireless PCI card (TP-Link WN881ND) in my computer running Ubuntu 14.10, I get the following error whenever I try to establish a connection via the new card: Creating object ...
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1answer
43 views

How can I get a Wi-Fi network support after he cut the connection. can not connect to the network again until restar I have kubuntu 14,04

How can I get a Wi-Fi network support after he cut the connection. Because when it starts laptop it normal after 3 or 4 minutes to work the network connection stays stopped for a few minutes and then ...
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24 views

Problem with WIFI or AP

So I have a not so close friend whose WIFI connection I use. But every time I connect to this AP I get the connection but only for some time, after that the connection to internet goes. I have to ...
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2answers
66 views

multiple Ip's bind on same port

I run multiple game servers so i added my additional ip's to the server. I made sure that the game servers ip are different but I still cant start the others server cause the ports are conflicting. $ ...
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51 views

Eduroam (WPA2 wifi) connection inconcsistent with Ubuntu 14.04

I have just installed Ubuntu 14.04. To access my universities network eduroam another application is needed. I believe it just changes the network connection to what is necessary. However, when I use ...
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64 views

Ubuntu 14.10 cannot connect to Wired Network from my Desktop

I upgraded my Ubuntu version to 14.10 and all of a sudden it won't connect to Internet at all. This is my Desktop and after upgrade it shows a wireless icon in the network manager panel Here are some ...
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73 views

Ubuntu 14.04 Ethernet Configuration not working

I would like to connect my laptop (ASUS N56-JN) through ethernet. I haven't been able to do so for a while now and I have tried most of the methods suggested in the other questions on this. The cable ...
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97 views

How to fix resume issue: usbhid 2-4:1.0: can't add hid device: -110

Since I installed an Ericsson H5321gw 3G/GPS/HSPA+ WWAN module into a ThinkPad X1 Carbon running on 14.04.02 I'm seeing issues when resuming from suspend. More specifically, login both graphical as ...
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25 views

Repository MTR strange behaviour:

Can someone explain this MTR readings or that may be a DNS resolver issue. have tried many things: such as changing dns to popular public ones with no changes First issue: MTR GUI does not show the ...
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1answer
36 views

aphotspot is working but my android device cant connect to the ssid

I am new to Ubuntu 14.10,I Have successfully created WLAN-Hotspot on my laptop. I have entered the password on my android phone and It was stuck at obtaining IP address for tethering. I have tried ...
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154 views

Network Manager StrongSWAN IPSec connection: add exception route

I just upgraded my VPN server from racoon to OpenSWAN (pfSense from 2.1 to 2.2), I managed to craft a working configuration for Ubuntu by following this wiki page. I added '0.0.0.0/0` as a subnet ...
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2answers
186 views

nm-applet wifi-issues on Lubuntu 14.04

on my 64bit installation of lubuntu (lxde) nm-applet has been working fine but since my latest installation of several updates (haven't updated for some weeks) it seems something broke and i can't ...
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1answer
40 views

Porting WiFi network from NetworkManager to /etc/network/interfaces

I'm trying to move a WiFi network configuration from NetworkManager to static configuration in /etc/network/interfaces. The fully working NetworkManager configuration that I have right now is: ...
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2answers
94 views

WiFi connection to router but no Internet connection?

I installed Ubuntu on my EasyNote-TM86 today. I can't access any websites although I am connected to my router. Other devices (including my laptop before I installed Ubuntu) are able to establish a ...
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1answer
125 views

Network Manager automatically turns off

I am using Ubuntu 14.04. My network-manager automatically turns off every now. Then, I have to restart it manually using the terminal. How should I debug this problem? Here is the dmesg output: ...
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1answer
68 views

How do I change the primary DNS address of my DSL connection in Ubuntu 14.04?

I am using a DSL network connection in my Ubuntu 14.04. There has been set up a primary DNS address of my ISP by default. But I want to use Google Public DNS. I tried to edit the connection by going ...
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1answer
53 views

Ubuntu hotspot unstable and unable to connect to it from android 4.4.4 cyanogen mod

okay im using kde nm connection editor for the trick yesterday it worked but today after i booted up and started it it ran well but when i try to connect to it from my device the thing i see is ...
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1answer
202 views

How to install wireless adapter D-Link DWA-131?

Recently I built new PC with Ubuntu OS 14.04 (64bit). I noticed the D-Link Wireless N nano USB Adapter doesn't get detected and installed automatically. Following are the adapter specifications: ...
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126 views

Ubuntu 12.04 In tray Icon -> “Edit Connections…” not clickable

I am use ubuntu 12.04 with gnome-panel, I press network tray icon then Open following small menu, Last "Edit Connections..." not clickable how can I edit my wired and wifi connection?
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1answer
402 views

Can't edit connections/connect/disconnet in Gnome NetworkManager applet

since a few days I'm seeing a weird behaviour of the NetworkManager-applet in Gnome. The "Edit Connections" line is greyed out, so I'm not able to call the nm-connection-editor. From the command ...
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1answer
79 views

Cannot connect to internet through DAP-1650

Problem I cannot connect to the Internet when connected to my DLink Wireless AC1200 Access Point DAP-1650 via Ubuntu 14.04 Trusty Tahr LTS. I can connect to the Internet when connected to my Netgear ...
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1answer
155 views

Generic problem with networkmanager on Ubuntu 12.04 / elementaryOS [solved] [closed]

Hello together: Since some days I've got issues with the networkmanager under Ubuntu 12.04. To be concrete it is the nm-applet itself. I can connect via LAN or WLAN without problems, but some entries ...
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1answer
90 views

Way to remove unwanted/unused wifi networks from Network Indicator Menu? [NOT a duplicate]

This original question has NOT been answered and is NOT a duplicate question so I am reasking it: Way to remove unwanted/unused wifi networks from Network Indicator Menu? There should be a way to ...
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24 views

Way to remove unwanted/unused wifi networks from Network Indicator Menu? [duplicate]

There should be a way to stop the Network Indicator menu from displaying completely unused/unwanted Wifi network entries in the dropdown. On my indicator menu, there are more than a dozen networks ...
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26 views

How to remove the many nm-applets

In 12.04.01 I am using the WLAN via the nm-applet (this is the default way). When the Hotspot is removed, the nm-applet tries to offer alternate connections and asks for their password, and after a ...
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1answer
41 views

Kubuntu 14.04 missing some network settings

I'm trying to set up a VPN, but I am missing any VPN settings in my network settings. (I have a picture) Why am I missing these settings? I just did a fresh install of Kubuntu 14.04 LTS.
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14 views

Can't select “Configure VNP” in Network Manager

For some reason, if I go to Network Manager -> VPN Connections, I cannot choose Configure VPN (it's in grey). Same for Disconnect and Edit Connections. (I would take a screenshot but that isn't ...
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96 views

missing wireless-driver on 14.04

As I explained in a previous question, I have problems with my wireless on Ubuntu 14.04 LTS. Often the following occurs: On start-up my computer doesn't always connect to my wireless When connected, ...
7
votes
1answer
860 views

Where to add the Pre-Shared Key for the Server Authentication with Network Manager for L2TP/IPSEC?

Previously, I was trying to figure out how to install the L2TP/IPSEC manager code. I guess Ubuntu/Canonical switched away from OpenSwan to StrongSwan, but didn't really announce it. So that was ...
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1answer
67 views

Wi-Fi connecting to other networks of the same name

I've been running Ubuntu 14.04 on a macbook air for about a year now, and I've recently been experiencing some strange behavior when it comes to my wireless connection. Let's assume my wireless ...
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2answers
34 views

Is there a way to view a list of previously joined networks? 14.04

From Windows Vista onward, previously joined networks are stored in the HKLM\SOFTWARE\Microsoft\WindowsNT\CurrentVersion\NetworkList\Signatures\Unmanaged registry key. I am wondering if there is a ...
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1answer
292 views

How To fix a PPTP VPN client connection (Ubuntu on VirtualBox)

I have just installed Ubuntu 14.04 on VirtualBox and I'm trying to set up a VPN client. I have configured it with the same settings I use on a Mac and I am able to connect from that without any ...
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1answer
47 views

Using 12.04 LTS network manager mixing up login and wifi passwords

I've been using 12.04LTS on my laptop for a while now, with automatic security patches etc. etc. I use wired ethernet at work, and wifi at home. Until recently both worked seamlessly and without any ...
2
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1answer
73 views

How can I configure the default transmission rate for 802.11 (“WiFi”)?

I need to lower the transmission rate of my IEEE 802.11g network interface controller to have acceptable an packet loss ratio (< 0.5 %), otherwise it becomes very high (> 50 % is typical, but it ...
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101 views

Lubuntu nm-applet fails to start

I thought this was fixed back in 2014 but it has popped up again. After some recent updates, the nm-applet in the LXPanel has once again failed to appear. The last time this happened after the ...