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

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Resolve network connection problem at startup

I encounter problems during starting up Ubuntu 12.04 laptop. There is no internet connection (wired network connection is established though) and there is no error message from network manager or ...
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2answers
165 views

Ubuntu (wubi version) cannot connect to the internet network

I am new in the world of ubuntu. Recently I installed the wubi version of ubuntu in my desktop and I have the following problem: It cannot be connected to the wired network. When I use the PC in ...
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1answer
482 views

Network Manager dispatcher.d script error

I wrote a script in "/etc/NetworkManager/dispatcher.d" to open the Firefox preferences dialog whenever I connect to a particular network (college wifi), because I have to enable proxy. The script is ...
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1answer
3k views

Getting HUAWEI Mobile Broadband E173 to work in Ubuntu 13.10

I'm trying to get a/an Huawei E173 Mobile Broadband USB device to work with the Network Manager components in the GUI (Ubuntu 13.10). I'm having no luck, but I can get it working successfully using ...
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1answer
576 views

Upgraded to 13.10 and my airtel connection manager does not detect Huawei E398 4g LTE modem

I was using the Airtel 4G LTE modem (Huawei E398) with the Airtel connection manager successfully in Ubuntu 12.10 (in one partition, have Ubuntu 13.04 in another partition). Upgraded to Ubuntu 13.10 2 ...
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1answer
501 views

How to use custom DNS server for selected domains only?

There are quite few nice DNS service providers that do region unblocking and advertisement blocking. But I'm not too fond of sharing all my DNS queries with them. How I can use their DNS services ...
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1answer
528 views

Network manager auto-connect to wifi-network fails

Network manager (nm) does not auto-connect to a configured wifi-network (e.g. "net-a") after upgrade from 13.04 to 13.10. Before the upgrade nm auto-connected to the pre-configured wireless network ...
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1answer
4k views

What are the command-line alternatives to Network Manager (nm-cli), Wicd (wicd-curses), wpa_supplicant for managing wireless? [closed]

OK, I know that I am crossing out the most popular choices out there, but there is a reason for that. I am working on a BeagleBone Black running an ultra light version of Ubuntu 13.04 and I currently ...
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2answers
960 views

Network Manager breaks manual routes

I have Ubuntu 13.10, Saucy Salamander x64 running as a guest in VirtualBox (with Windows 7 as a host). I wrote this /etc/network/interfaces because I need to add a large number of permanent, manual ...
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2answers
2k views

NetworkManager doesn't see my wireless card

System details: Ubuntu 12.04 LTS, kernel is 3.5.0-45-generic, laptop is Dell Sputnik 3 XPS 13, wireless card is Intel Wireless 7260(rev 6b) I was having trouble connecting to my campus CS wireless ...
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1answer
190 views

Wired Network not showing edited connections [closed]

I'm using ubuntu 12.04 LTS. Recently my ISP changed my MAC address and I changed it accordingly from "edit connection". But after editing the MAC address of an existing connection it no more appears ...
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1answer
46 views

Socket communiction in absence of wired network connection

I am facing a strange issue on my Ubuntu (12.04.3 64 bit). I have a couple of C programs communicating (let's call them sender and receiver programs) through sockets. These work as expected when the ...
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0answers
249 views

Ubuntu 12.04 LTS - network manager not listing wireless networks

I'm running Ubuntu 12.04 on a Lenovo Ideapad Z580. For the last 3 days, the wireless network icon no longer displays (and I can't connect to) two networks that I was previously connecting to and that ...
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1answer
36k views

connect: Network is unreachable? - ping

When I attempt to ping google's dns or any outside the network I get connect: Network is unreachable? I can't update either which I put down to this I am new to networking... And Ubuntu. But these ...
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2answers
3k views

Ubuntu 13.10 NetworkManager “Dump inconsistency detected” System Freeze

I'm running Ubuntu 13.10 on Asus N550JV laptop. My system gets frozen pretty randomly during the day. Sometimes it's possible to switch to terminal and then back to resolve it, other times it entirely ...
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1answer
2k views

Can't resolve windows domains in local network

I've installed ubuntu on my computer at work because I think it is a perfect system for work which I do but I got some issues. I can't resolve domains from windows DNS server. Basically, we have two ...
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1answer
751 views

How to purge BAM huawei mobile partner?

It annoying me every startup, now I use wvdial. I can't find it on synaptic package manager.
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1answer
233 views

network-manager device not managed with virt-manager

I am using Ubuntu 12.04.4 64 bit . After installing virt-manager, I found my scenario would be to user bridge networking, so I managed to let my machines works with bridge interface br0. From that ...
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2answers
7k views

How to debug VPN Connection Issues (13.10)

I'm trying to connect to a work VPN, but every time I attempt to connect it fails. The VPN has been configured in the Network Manager UI and the connection is being started from there too. I have ...
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1answer
305 views

Wireless card tries to connect, but connection fails. Used to work

I used to be able to use my Ubuntu desktop to connect to my Wireless AP. Then I moved across country and when I finally received my box, the system would no longer connect to the AP. I have other ...
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0answers
948 views

enable MSCHAP and MPPE for VPN connection

I have setup a VPN configuration file, the connection is responding but in order to actually connect to it I need to enable MSCHAP, MSCHAPv2 and MPPE, just like the picture here: The problem ...
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1answer
547 views

How To debug and fix a PPTP VPN client connection

I have just installed Ubuntu 13.10 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 problem. When I ...
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1answer
3k views

Connected to wifi, but no internet on Ubuntu 12.04

My new dell xps 13 haswell developer edition ( with ubuntu 12.04) began to have problems with the wifi. Everything worked just fine till yesyerday when I connected my computer to wifi at work (it ...
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1answer
2k views

Is Network Manager widget supposed to be installed by default in KDE? Even so I don't have it installed and errors prevent from installation

I've looked on the internet but I haven't seen anything that really IMO helps me to try to solve this problem. Actually the problem that led me to want to install "Network-Manager-KDE" is the fact ...
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1answer
151 views

After deactivating NetworkManager, how do I add the DNS server address to resolv.conf?

I deactivated NetworkManager with sudo apt-get remove network-manager because I want to have all network configuration in /etc/network/interfaces. After system restart, I see that cat ...
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366 views

Why is the wifi network visible to everybody but me?

Recently my flatmate changed the maximum number of devices that can connect to our Wifi and since then I cannot see our Wifi network. I am the only one in my household using Ubuntu. I logged into our ...
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2answers
641 views

Where is OpenVPN's client configuration from Network-manager's OpenVPN plugin?

I know how to write and when to put OpenVPN's config files for clients but I would like to be able to see the config files generated by network-manager-openvpn plugin. (For instance to change logging ...
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1answer
121 views

Wireless Network completely disabled

I have read many posts and the answers provided don't seem to help me. I have ran many commands and pasted them below so hopefully will cover the basic questions about my system and what i am ...
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1answer
1k views

how do I enable firewall zones for NetworkManager

I am trying to use the default network manager for ubuntu 13.10 to connect to networks. Despite any config changes for example, enabling UFW, does not allow for the changing of this profile scheme. ...
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1answer
71 views

How can I specify or query the order DNS servers will be queried?

For some reason I am not hitting the DNS server I am expecting to hit. I have a wireless connection with a VPN on top of it. I have set both of the connections to use a specific set of DNS servers ...
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3answers
6k views

How to find name of currently-active network interface?

I need to get the name of the network interface (e.g. eth0, wlan0) that is the currently-active one, the one sending and receiving traffic at the moment. When it's connected to WiFi, it would be wlan0 ...
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1answer
193 views

OpenVPN and the NetworkManager plugin - Advanced Settings Questions

I just set up OpenVPN and the network manager plugin. I purchased VPN service from PrivateInternetAccess.com. It works fine but only when the Cipher and HMAC Authentication under the advanced ...
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1answer
140 views

Kde network notification on start-up at center

I have installed Kubuntu 13.10 and after i login it show me a kde network notification on top-center screen. How can i disable or adjust this inconvenience. Here is a screenshot:
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2answers
186 views

Can both NICs be in the same subnet?

I have a requirement for which I have to put both the interfaces(eth0 and wlan0) of Ubuntu 12.04 PC in the same subnet. As far as I understand, this should not create a problem but I wanted to ...
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1answer
397 views

Is network manager called from an /etc/init.d script?

I want to run a script to set the hostname on a heavy customized liveUSB version of ubuntu 10.04 (customized means I'm not ready to update to latest version) I need the script to run before the ...
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1answer
5k views

Network Connections - Wired tab - edit button greyed out

There are multiple posts/questions about this but none actually have an answer that I could find. Just installed Ubuntu server 12.04. Added myself to the sudoers file, changed the networkmanager.conf ...
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1answer
50 views

My Wifi does not work for SSH login or saving some forms

The system works perfectly fine with wired connection. It has problems accessing wifi at my office. However my wifi at my home seems to work fine. I have installed wicd and tried many alternatives ...
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1answer
271 views

Losing wireless about 5-10 minutes after boot, can't get it back without reboot

I know many people have reported similar problems before, and the solutions seem to work for them but not for me. I'm hoping if I give a description of my exact problem it might help: I recently got ...
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1answer
2k views

udev rules seem ignored; can not prevent modem manager from grabbing device

I am trying to prevent modem manager from running when I plug my cell phone into a USB port. I have tried to add a custom rule with udev, but my custom rules seem ignored. I created a file ...
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1answer
127 views

Missing Network manager

I have just installed 12.04 LTS but cannot access network manager. Internet access is ok. I have a wired connection to my router but want to set up a VPN. I have checked via terminal and is says ...
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1answer
1k views

Notification When someone connects to my local network , ARP, Notification file

I have a question concerning Ubuntu 12.04 LTS Desktop - notifications (same notification as Rhythmbox application when playing music back and forth), technically if I'm not mistaken it should be ...
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1answer
1k views

I Can't find network connection in Xubuntu xfce desktop environment

In unity I used to run system settings->network to establish a DSL connection with username and password. I've switched to xfce for better performance. Now the problem is that I can't find such a ...
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2answers
554 views

Sharing Internet Connection (DHCP) through a Wireless Hotspot

I have an internet connection through a cable modem. The IP address on the cable modem is not static and is perhaps obtained through a DHCP mode. I wish to share this internet connection through ...
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1answer
618 views

Cannot delete wired connection

I'm trying to delete a wired connection from network manager in Kubuntu Saucy (Converted and upgraded from Lubuntu Raring). It asks me for confirmation, which I give, but the connection doesn't get ...
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1answer
449 views

Wifi Hostspot setup for Cable Modem Connection

I have a broadband connection through my ISP (Hathway), using a cable modem. I wish to share the internet connection to my laptop, and the phone. Refer to this configuration guide at 12.10 Wireless ...
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1answer
223 views

Ubuntu 13.10 Wifi Fail after attempting to connect to an ad-hoc network

My WiFi was working for several months with the network-manager in Ubuntu. A couple of days ago, I tried to connect to an ad-hoc network. Afterwards I have not been able to connect to any wireless ...
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1answer
1k views

I can't - install Broadcom STA wireless driver, connect to wifi, connect to Ethernet wired connection

I bought a Dell Vostro 2520 two days back and when I clicked wifi icon to connect to my wifi network, I couldn't see mine or any other wifi networks. So I then realized that I need to install a driver ...
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1answer
2k views

How do I configure NetworkManager to connect to two separate VPN servers simultaneously?

I have to connect to two OpenVPN servers at once. How do I configure NetworkManager to connect as a client to both? -- <OpenVPN1> -- <Resource 1> <laptop> - -- ...
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1k views

Invalid VPN Secrets! No Server Certificate Verification Method Enabled

I'm trying to set up a vpn (from VyperVPN) with OpenVPN and keep getting an invalid VPN Secrets error. I've been searching for a solution for a day and a half mow to no avail so i though i would come ...
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25 views

How to avoid having new wireless networks be connected to automatically by default

Under 12.04.3, newly added wireless networks will have their "Connect automatically" box checked by default. Is there a way to arrange for this box to be unchecked by default, so I don't have to ...