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

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7
votes
7answers
25k views

Why doesn't network-manager start at boot?

I think this started happening a couple of months ago when I upgraded from 10.04 to 12.04. Whenever I reboot, network-manager does not start. I have to manually run sudo start network-manager, and ...
5
votes
2answers
24k views

Ubuntu 12.10 - network manager not listing wireless networks

Just recently reinstalled Ubuntu 12.10 on my laptop (dual-boot with Windows 7). Had no problem accessing my home wireless network until today. All of a sudden, the network manager doesn't seem to be ...
5
votes
1answer
1k views

Unreliable wireless connection with an Intel Centrino Advanced-N 6230

I know there are many questions on this site about wifi issues but I have searched and can't see to find an answer to mine. So here is the deal, a few weeks ago my house got a new router and since ...
4
votes
1answer
3k 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 ...
10
votes
6answers
26k views

What are the alternatives to Network Manager for wireless?

I was wondering if there are any GUI alternatives to the Network Manager. It seems, I always run into problems with it (unstable connections, wrong icon shown, wrong notifications, etc.).
1
vote
1answer
1k views

Mobile broadband slow to be detected

-- UPDATE 1: relevant syslog lines. -- UPDATE 2: a step further. I was able to solve the GSM modem enable failed: (32) SIM PIN required loop specifying the PIN in Network manager > Edit connections......
1
vote
3answers
6k views

Setting a static IP address.

I'm trying to set a static IP address in 12.10. When I run ifconfig, I find that both lo and wlan0 have downloaded packets. In my /etc/network/interfaces file it says auto lo. Which should I be ...
10
votes
3answers
9k views

No Network Manager icon in the notification area, so I can't use my VPN connection

I've added a VPN using System > Preferences > Network Connections. However, I can't see how to switch it on, because there's no Network Manager icon in the notification area! nm-applet is running as ...
1
vote
1answer
648 views

14.04--Routine update killed network-manager, unable to connect to any networks [duplicate]

I am running 14.04 LTS on a Dell XPS 13 9343. Today I did a routine update through Software Updater and restarted when it prompted me. When I logged back in I had no internet connection and no icon ...
0
votes
1answer
602 views

Unable to connect to mixed b/g/n wifi network on Ubuntu

I cannot connect to mixed b/g/n wifi Network. I am using wl drivers. Connection to other wifi networks is working well, but to this network I cannot connect from Ubuntu (from my android phone ...
45
votes
9answers
109k views

How can I use a .ovpn file with Network Manager?

I have a .ovpn file with my VPN config - it works fine when I do sudo openvpn --config ~jrg/Documents/vpn-config.ovpn in the terminal, but I'd like to use Network Manager. How can I do this?
9
votes
2answers
10k views

Can't connect to PPTP VPN with ufw enabled on Ubuntu 14.04 with kernel 3.18

Suddenly VPN disconnected and can't reconnect no longer on kernel 3.18.1, so I try to install kernel 3.18.2 but my problem still exist. But I can connect to VPN with 3.14 kernel easily. The output of ...
11
votes
7answers
29k views

How to automatically connect to VPN with Network-Manager

I do have a working VPN connection. Now I want this VPN connection to automatically activate when I'm in a certain wireless network. Is there a non-intrusive graphical way using network-manager-applet?...
7
votes
6answers
7k views

NM-applet's VPN menu disappears

I spend my days hopping between VPN connections in Ubuntu 10.10 and this is becoming severely annoying. What happens is that every once in a while - typically several times a day - when I click on the ...
15
votes
6answers
8k views

No more AnyConnect compatible vpn transport in Ubuntu 16.04?

Following my previous experiences with setting up Cisco AnyConnect VPN connections on Ubuntu 14.04 I tried the same approach here by installing packages: sudo apt-get install -y network-manager-...
6
votes
3answers
6k views

“The system network services are not compatible with this version” - ubuntu 14.04 [duplicate]

"The system network services are not compatible with this version" - ubuntu 14.04... I didn't even update anything thing.I have everything in network manager ....and I'm unable to connect to any ...
20
votes
2answers
4k views

How migrate my keyring (containing ssh passprases, nautilus remote filesystem, pgp passwords) and network manager connections?

I changed the disk on my laptop and installed Ubuntu on the new disk. Old disk had 12.04 upgraded to 12.10 on it. Now I want to copy my old keyring with WiFi passwords, ftp passwords for nautilus and ...
15
votes
4answers
28k views

What is my DNS server?

My /etc/resolv.conf looks like this: # Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8) # DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN nameserver ...
8
votes
2answers
2k views

Exempt programs from using active VPN connection

When I connect to a VPN, all my network traffic is automatically routed through it. Is there a way to add exemptions to that? I don't know if adding exceptions has anything to do with the VPN protocol,...
6
votes
3answers
14k views

Unmanaged network icon - Network manangement disabled

I was having problems connecting to the internet either by wireless or wired connection. I keep getting an icon in the systray that has a tooltip that says "unmanaged" and when I click on it I get a "...
34
votes
6answers
52k views

How can I troubleshoot “VPN Connection Failed”?

Is there anyway to get an error log for a failed VPN connection attempt? All I get is this notification and I have no idea where to go from there:
14
votes
1answer
8k views

How can I disable the DNS that Network Manager uses?

Ubuntu uses a DNSMasq instance for Network Manager starting in 12.04 - how can I disable it?
12
votes
1answer
5k 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 ...
7
votes
2answers
6k views

How can non-admin users connect to Wi-Fi networks?

I'm trying to configure PolicyKit so that other users are allowed to configure Wi-Fi connections, but my changes don't seem to bring any results at all. When a non-admin user tries to connect to a ...
6
votes
2answers
8k views

Network Manager, create multiple lan connection configuration for the same wired card

How can I create in Network Manager, multiple wired lan connection configuration for the same wired card? I use to move between a lot of offices where I need to change my network config (IP, Mask, ecc)...
6
votes
3answers
5k views

Clean install ubuntu 16.04 cannot connect to wifi using NetworkManager, but nmtui works

I've performed a fresh install of Ubuntu 16.04 on my Asus N56VZ. Sadly, i cannot connect to wireless networks using the NetworkManager. I am able to see wireless networks, though. I tried to connect ...
2
votes
3answers
19k views

Set static IP Ubuntu 16.04

I am a new with Linux, having years experience with Windows servers/desktops and am having issues setting a static IP. I am using a method used for previous versions of Ubuntu, which doesn't seem to ...
18
votes
2answers
10k 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 ...
9
votes
6answers
5k views

How to know what DNS am I using in Ubuntu from 14.04 onwards

(A follow up to similar question for 12.04.) Prior to Ubuntu 12.04, you may see the active DNS in /etc/resolv.conf. In Ubuntu 12.04, NetworkManager no longer works with the file. You have to directly ...
5
votes
1answer
27k views

How to connect to WiFi from Lubuntu?

After add the Manage Networks icon into the panel, I can see my Wi-Fi network on the list. So I click on the SSID and it prompt for a password. I enter the right or wrong password but nothing happens. ...
1
vote
1answer
1k views

Network devices unmanaged after resume from hibernation in Ubuntu Gnome 13.10

After confirmation that hibernation/resume worked well with sudo pm-hibernate, I enabled hibernatation on /etc/polkit-1/localauthority/50-local.d/com.ubuntu.enable-hibernate.pkla to get the option in ...
14
votes
2answers
20k views

Where are the NetworkManager logs?

A previous poster on the regular forums ( http://ubuntuforums.org/showthread.php?t=843991 ) said /var/log/daemon.log, but I don't seem to have such a file. Do I need to enable logging?
9
votes
1answer
4k views

Make wifi preferable over wired connection in Ubuntu 14.04?

How do I make Ubuntu choose wifi connection over wired connection when both are connected to internet? I edited the Ethernet connection to route using the preference "Use this connection only for ...
9
votes
2answers
11k views

How can I add the Network Manager Applet to the panel after removing?

In rearranging the panel, I removed the Network Manager Applet. I tried to add it back, but it doesn't show up in the list (Add To Panel). I can start it up and see it as a running process (nm-applet),...
8
votes
3answers
34k views

how to display network manager icon on xfce panel

I install xfce in U Trusty,but the network manager icon disappear.when I run sudo nm-applet,the icon shows.Not only the network manager,but also power manager and fcitx icon disappear,fcitx is a ...
7
votes
2answers
16k views

How to temporarily turn off NetworkManager from the command-line?

The network interface should not make a request for an IP over DHCP. So, what is the command to turn off NetworkManager in Ubuntu? Update: I am writing a script in which the interfaces receive ...
4
votes
5answers
12k 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
votes
3answers
16k 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 https://launchpad.net/ubuntu/+source/indicator-...
2
votes
1answer
8k views

How do I share a wireless internet connection via Ethernet with an Xbox 360?

I am trying to share my wireless connection with my XBox 360 (which does not have a wireless adapter) via ethernet cable. I thought there once was a sharing option in Network Manager (it has been some ...
1
vote
2answers
5k views

How do I establish a mobile broadband connection from the command line?

I run Ubuntu 12.04 on an old iMac G3. Since the GUI is too resource heavy I have disabled the display manager (lightdm) and am currently running the computer in console mode. How do I establish a ...
7
votes
3answers
13k views

Where does network-manager store WPA keys when “Available to All Users” is ticked?

When you connect to a new SSID network via the network manager applet, the key for that network is stored in gnome-keyring under the "login" keychain. But when you then change (edit) that network to ...
7
votes
2answers
2k views

Accidentally clicked “don't show this message again” - how to reactivate?

When Gnome 3.2 told me, there are wireless networks available, I accidentally clicked "don't show this message again". How can I reactivate this message?
6
votes
1answer
1k views

How to stop wifi disconnection when eth0 link becomes ready?

I have Ubuntu 10.10 installed on my laptop and connected via wireless lan to my home network. Now I want to play around with my old wifi equipment which I need to configure first. But every time I ...
5
votes
2answers
1k views

Where should a non-administrative user save a CA certificate?

I have a CA certificate that I use to connect to a WPA2 Enterprise wireless network. Where within my home folder should I store the .crt file? I don't see anything in the Filesystem Hierarchy ...
4
votes
3answers
4k views

cannot connect with huawei e173 after upgrade to 12.10 using network manager

Since upgrade from 12.04 to 12.10 I can't connect to internet using mobile broadband modem Huawei e173. It worked earlier without problems and now it seems to be properly recognized (at least its ...
3
votes
3answers
5k 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 laptop....
3
votes
1answer
2k views

changing the priority of network interface

I want my ppp0 connection to have higher priority over wlan0. I added following lines to /etc/network/interfaces file. iface wlan0 inet dhcp up ifmetric wlan0 20 ----------------------------------...
3
votes
2answers
4k views

set default wifi network

How do I change the default wifi network that Ubuntu connects to on startup? There is an unsecured public wifi network in my range, as well as my own home WPA secured wifi that I want to use by ...
3
votes
1answer
5k 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 ...
2
votes
1answer
3k views

Internet disconnects by itself and never reconnects unless system restarted

I am using Ubuntu 13.10 and a wireless internet from a modem "Reliance Netconnect" for the internet. I've installed Ubuntu two days back along with my Windows system. So here's a detailed summary of ...