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

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arp-scan command displays (Unknown)

this command sudo arp-scan --interface=wlan0 --localnet display the following results: 192.168.1.1 *:*:*:*:*:* D-Link Corporation 192.168.1.101 *:*:*:*:*:* (Unknown) why i can't see the name ...
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24 views

Noob user. No network (wired). Cannot ping router

Let me start by saying I am pretty new to Linux, so forgive my unavoidable noobness and thank you for readning this. I am trying to set up a good environment to learn programming and familiarize ...
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10 views

How to automatically connect to wifi connection after entering keyring?

After starting up ubuntu, I need to enter my keyring password, which I don't mind. What I do mind is that it is not connecting automatically to a wifi connection stored in the keyring after entering ...
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2answers
29 views

Disable every network permanently

I have Ubuntu installed on an USB device, I need the system isolated from any network (LAN, wifi, bluetooth, etc.) permanently. I read a lot of suggestions but some are user-related, other disable ...
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1answer
17 views

A new connection is generated instead of using the new settings

I am trying to set up a static IP address using the nm-connection-editor tool. I select the currently-used wireless network, click edit, go to "IPV4 Settings", click add, enter a valid IP address, ...
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9 views

I cannot create a Wifi connection for Hotspot

I created a hotspot for my phone by using the instructions provided in here: http://ubuntuhandbook.org/index.php/2014/09/3-ways-create-wifi-hotspot-ubuntu/. After using it for some while, I decided ...
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2answers
34 views

etc/network/interface empty no internet connection

My internet connection has gone suddenly and I find my /etc/network/interfaces is completely empty, I can't ping my router and ifconfig for eth0 shows no ip address or broadcast address, I tried ...
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0answers
7 views

Use VPN route only for vpn range

When setting up a VPN connection using the UI (System settings => Network) the VPN connection is used as the default route after connecting to it. How can I avoid this? That is without assigning ...
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0answers
12 views

Where is created Wifi hotspots located?

I use my small homeserver as Wifi hotspot. Usually I just use the ad hoc "internet sharing" hotspot feature in NetworkManager. Today I created a new Hotspot, without password, because I needed it for ...
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1answer
14 views

/run/network/ifstate keeps getting reset on reboot

I find that my /run/network/ifstate file keeps getting overwritten on boot. On this session I'd edit it to $ cat /run/network/ifstate lo=lo wlan0=wlan0 eth0=eth0 But on next session (after a ...
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18 views

How do I get NetworkManager's dnsmasq to work properly?

I have decided to give Ubuntu another shot, but I am running into some road-bumps after getting it installed. Namely, NetworkManager is not playing well with DNS. I am trying to get networking ...
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0answers
28 views

Error: “The system network services are not compatible with this version.”

I've been using Ubuntu 14.04 since 3-4 weeks now, and I suddenly encountered this error upon starting my computer today. It should be noted that the internet works, but I am unable to see the Wifi ...
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0answers
11 views

OpenVPN disables DNS due to firewall

I'm trying to use an OpenVPN service with Network Manager. When I'm on wireless and activate the VPN, it works flawlessly, but when I'm on a wired connection, I have no Internet access. Through trial ...
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1answer
67 views

Laptop can't find my home wifi network

The laptop has Ubuntu 14.04, it shows neighbors networks and it was working fine before. My phone and desktop connect to my home Wi-Fi with no problems. This has happened a few times before but in ...
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14 views

Remove interface from network list

So following the instructions from here I was able to disable NetworkManager from managing some of my network interfaces. Annoyingly though, they still show up in the list of interfaces. Does ...
1
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1answer
31 views

Run command when ethernet is disconnected

Is there a way to execute a command in ubuntu when an ethernet cable is disconnected/connected? There's a notification when a cable is plugged in or removed, so I assume there is some way to do this.
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10 views

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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13 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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15 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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29 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 ...
1
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1answer
48 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 ...
0
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1answer
36 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 ...
1
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1answer
30 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
33 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
133 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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28 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
64 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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21 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 ...
0
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1answer
48 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
42 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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0answers
10 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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20 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 ...
0
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1answer
32 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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17 views

2nd ethernet fail when connected after power up

the issue at hand is, the 2nd Ethernet port cannot communicate (e.g. ping, send packets) to the local network under the following conditions: Static IP address configuration through ...
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0answers
20 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 ...
0
votes
1answer
36 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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0answers
31 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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0answers
41 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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0answers
129 views

WIFI problem with Ubuntu 14.04.2 LTS on HP ENVY

i read and do what the others answers say but my WIFI works terrible. Anyone can help me solve this problem? The laptop is an HP ENVY The network controller: RTL8188EE Wireless Network Adapter (rev ...
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62 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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0answers
39 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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0answers
18 views

Repository MTR strange behaviour:

Can someone explain this MTR readings or that may be a DNS resolver issue. have tried many things changing dns to popular public ones with no changes The first: on does not show the full URL handed ...
0
votes
1answer
21 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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0answers
75 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 ...
0
votes
1answer
85 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 ...
2
votes
1answer
32 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: ...
0
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2answers
75 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 ...
0
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1answer
111 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
37 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 ...
0
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1answer
39 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 ...