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

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DHCP and static IP address simultaneously in ubuntu

We can use multiple IP address for a single interface in linux(eth0:0, eth0:1). But can we use dhcp and static IP in the same time?? eth0:1 should have a static IP address and eth0:0 will be configure ...
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1answer
22k views

Cannot connect to wireless in Lubuntu 14.04

I have tried all afternoon to fix this, but now I give up. I am trying to set up an old XP PC with Lubuntu 14.04. It works perfectly fine, except for the wireless connection. Connecting with ethernet ...
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2answers
3k views

Atheros AR8152 ethernet connection not recognized

tried a lot of different answers people gave around the web... none of them worked I get wireless internet and all.... but whenever I tried going wired it doesn't even recognise the option of a ...
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3answers
2k views

Persistent 3G connection with network manager fails [closed]

I maintain a persistent 3G connection on a remote device using network manager. However, every so often, the link fails and then does not restart itself. I managed to identify an occurrence of this in ...
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2answers
440 views

Can two networks be activated on the same physical connection in network-manager?

I want access to two networks: a PPPoE network: for external computers (www, etc.) IP(dhcp), DNS, default route a LAN for access to other local computers (local file sharing) IP(dhcp), no DNS, ...
4
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1answer
832 views

How to connect to a L2TP VPN given some info from a sysadmin

I have been given some details of a VPN I am meant to connect to, and can't for the life of me get it to work under Kubuntu. The info I have been given is (fake values substituted where appropriate ...
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2answers
156 views

Script to extract/push a list of wireless configurations including passwords?

I need to configure a set of new machines. They all need a set of common WLAN connections I currently have on my machine. I know how to manually retrieve the settings including the passwords using the ...
4
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1answer
2k views

How can I access debug info for failing VPN connection via Network Manager? [duplicate]

I have a VPN connection set up via the Network Manager. Today it failed because I forgot make the key files accessible, once I made them accessible, it worked. Yay! But, what if I hadn't remembered? ...
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3answers
1k views

NM applet dropdown options not working

I recently realized the dropdown options from my nm-applet are no longer working. But I can still control the network configuration by going through the dash. This happened very recently. I only ...
4
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1answer
561 views

How do I disable network connection at prelogin?

--- This question is related to Ubuntu 12.10, since previous versions did not connect to network before login --- I had a bad boot today: the Ubuntu screen was blocked at startup time, after a green ...
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1answer
4k views

12.04 - network manager not started at boot

I am on Ubuntu 12.04, 64-bit, fresh install. I have a wired connection (eth1 interface), the IP address is assigned by DHCP, and PEAP authentication (wpa_supplicant) is set up. My problem is that ...
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1answer
1k views

Random disconnects with an Atheros AR5008

For the most part my Wireless network works perfectly fine. But about once a day, at random times I get disconnected and the key ring authentication for my wireless pops up. All of the correct ...
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2answers
1k views

USB WiFi is detected but can't connect

I have recently purchased a USB WiFi adapter with a Realtek chipset for my netbook. Network-manager detects it well enough and can see my home WiFi network too, but when I try connecting I am just ...
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2answers
2k views

I cannot create ad-hoc wireless networks and stay connected. How can I fix this?

I'm on 11.10, and no wireless networks I create are staying connected. I had created one called "cookie" many moons ago, then deleted it some time after upgrading to 11.10. Strangely, that network ...
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3answers
6k views

Auto-connect to hidden wireless without elevating privelege

When I boot my laptop into Ubuntu 10.10, the wireless won't automatically connect; it is configured, and I can get a connection using "Connect to Hidden Wireless Network..." and selecting the name ...
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4answers
2k views

Why is my network manager so slow to start?

Ever since I installed 10.10, the network applet stays with a red exclamation point for about 10 seconds. I don't know why this is happening. Please help me, this is very annoying! I didn't have this ...
4
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1answer
316 views

Is there a standalone graphical application for configuring Network Manager?

I was working through a kiosk computing question yesterday. Somebody is trying to deploy Ubuntu as a single-application appliance in a way that they can hand the machine to a client and it'll let them ...
4
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1answer
92 views

Login takes long time when there's no internet

I have noticed, after I upgraded to 14.04, that when I have a poor Wifi connection or the network is disabled from the the login screen, the resulting login can take over two minutes. If I have a ...
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1answer
2k 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 ...
4
votes
1answer
471 views

Password required but dialog won't let me type it

On Ubuntu 2012.04 I open "Connect to Hidden Wireless Network", type the network name, click connect. After a minute the dialog below appears: I can only cancel... not very helpful. Why does the ...
4
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1answer
337 views

“configure: error: Intel WiMAX SDK is required ” error when recompiling Network Manager

I tried to to recompile network manager in this way but did not succeeded. Can you explain me how can I install wimax tools? Or tell me what is wrong with my installation? I installed wimax tools ...
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2answers
6k views

How to let NetworkManager manage WLAN interface after upgrade?

I upgraded a Ubuntu system from 11.04 to 11.10 via do-release-uprade. Now some things does not work as before. For example now, my user needs to be part of the scanner group to be able to use xsane ...
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3answers
5k views

How to debug grayed out VPN connection in Network Manager?

I've added a new PPTP VPN connection under Network Manager -> VPN Connections -> Configure VPN. Now the connection is listed under "VPN Connections", but it's grayed out. How can I debug this? ...
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4answers
3k views

Wireless network unstable and often WPA2 protected networks just don't work [duplicate]

Possible Duplicate: Are the Ralink RT3090 drivers incompatible with Ubuntu 10.10? I have an issue with my wireless network,so that the connection is working for only a few minutes, after ...
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0answers
222 views

Cannot change Wifi settings, stuck on WEP Security

I just started using Linux and as such do not have a proper knowledge of how to use the command line and all of those sorts of things, so please try to bear with me :). I have been able to connect to ...
4
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1answer
6k views

How do I get a rt2800usb wireless device working?

My brand new desktop running 13.04 has endless problems with wireless. Dozens of others are flooding forums with reports of the same problems. It worked fine for a few days, then there were a few ...
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1answer
1k views

How do I achieve a PPPoE connection over wifi?

I am trying to move my PPPoE dialling from my router to two machines on that router, a Windows 7 and an Ubuntu 12.04 machine. (Actually one machine with dual boot for now). I set up a DSL (PPPoE) ...
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0answers
48 views

Change wifi roaming aggressiveness [duplicate]

Possible Duplicate: Wireless roaming aggressiveness Is there any way to change roaming aggressiveness? We are having issues at our school with clients running 12.04 losing connection when ...
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0answers
392 views

Asking for a SSTP connecting configuration file for using SSTP command line [closed]

Using sstp with Network Manager and DNScrypt stopped working on Ubuntu 12.04 DNSCrypt and Network manager and using Unblockvpn's SSTP - http://sourceforge.net/projects/sstp-client/ Connects the ...
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0answers
3k views

Ubuntu 12.04 Wireless hotspot: Android stuck on obtaining ip address [closed]

I recently upgraded to 12.04 and was delighted to find a simple button to start a wireless hotspot in Settings > Networks. This is all well and good, however when I try and connect my android device ...
4
votes
1answer
1k views

High CPU usage due to Network manager

This really puzzled me. I noticed à 30% of avahi daemon on Kubuntu 10.10 on a Lenovo T410 (this is the value given by top, not by the task manager of krunner). This was far too high. Trying to ...
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3answers
10k views

How to install network-manager without internet access?

I have been trying to install some kind of network indicator to show my current bandwidth usage on the panel on top of the screen so I decided to install ...
3
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1answer
2k views

How do I use /etc/network/interfaces instead of network-manager

I have 12.04 Desktop installed, how do I uninstall Network-Manager and set /etc/network/interfaces as the default file to resolve my network connections?
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4answers
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How to change ip address in ubuntu desktop through command line

In Ubuntu desktop 13.04 changing /etc/network/interfaces file don't change ip address or convert DHCP to static network interface configuration. after changing the file I tried sudo service ...
3
votes
1answer
4k views

Why has wireless disappeared after my 12.10 upgrade?

I just upgraded to 12.10 on my Lenovo B570 laptop. NetworkManager isn't displaying a submenu for wireless connections at all, even though I downloaded the update through the wireless connection. This ...
3
votes
2answers
582 views

Will python scripts be run when added to /etc/network/if-up.d?

To get my system connected to internet, I have to manually login via the web page of my ISP. This is not very convenient. I found a python script online which automates this. it takes the ...
3
votes
1answer
11k views

Import OpenVPN client config in GnomeShell w/ network-manager

I have Ubuntu 12.04 and I've imported OpenVPN configs into network manager in the past with previous versions of Ubuntu and gnome. I have a new OpenVPN config and would like to import it, but can't ...
3
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1answer
10k views

What do I put in the “Search Domains” field?

This one has always confused me. What do I put in this field?
3
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1answer
609 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 ...
3
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1answer
17k 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 ...
3
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4answers
6k views

vpnc has stopped working with Cisco VPN gateway Ubuntu 13.04

Recently I've been unable to connect to a Cisco VPN gateway using vpnc even though I had been using vpnc to connect to this same gateway for about a year leading up to this breakage... I'm using the ...
3
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2answers
4k views

NetworkManager problem with 'cloned MAC address'

My problem is that at univ. each desktop computer is given a 'fake'/'cloned' MAC address which is recognised by our network and let us in without further authentication/VPN and the likes (don't ask ...
3
votes
3answers
2k views

How to setup SSH VPN in Network Manager?

I am using 12.10 and I want to setup SSH VPN via GUI in Network Manager, But it has only pptp and no other types to select. How can I fix it? any packages I need to install?
3
votes
1answer
826 views

PPTP VPN connects via NM but goes down during SSH connection

I setup a VPN PPTP connection via network manager and it connects correctly (I see the lock near the notification icon and the message "Vpn connection has been successfully...") As soon as I try to ...
3
votes
1answer
3k views

NetworkManager refuses to manage my WLAN interface

I'm using Ubuntu 12.10 with Gnome 3.6 on a brand-new Samsung NP900X4C. The installer detected the wireless adapter, took in the SSID and WPA passphrase, wrote these into /etc/network/interfaces and ...
3
votes
1answer
3k views

How can I force Network Manager to associate to a specific access point?

in my network environment I have two access points with the same ESSID; one of them is near my desktop and another is in another building. I get signal from both of them, and the connection often ...
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3answers
9k views

Can't add NetworkManager applet to gnome panel

I have researched this problem extensively and I can't seem to find an answer. In Ubuntu 10.04 LTS, I want to connect to my VPN through the NetworkManager applet. I installed all the network manager ...
3
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3answers
21k views

XFCE4 Network Manager

My standard Kubuntu 10.04 installation works perfectly but now I'm trying the lighter xfce window manager. I can't find any gui tool to configure networks. Someone on the web talks about the gnome ...
3
votes
1answer
319 views

Set specific interface for internet access

I have a machine with three network interfaces running Ubuntu 12.04 LTS, 64-bit, kernel 3.5.0-49. I am using all three interfaces. Two of them are connected to LANs (eth0 and eth1) and one is ...
3
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1answer
224 views

Why do I have new and strange networks (_not wifi_) in my network manager? 14.04

Ok, so I updated my system to 14.04 last week (running on a Dell XPS13 ultrabook- but I'm not a developer, not particularly technically minded). Some strange things happened with network manager. ...