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

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0
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2answers
624 views

Y500 lan device not recognised

I got a Lenovo Y500 and installed 3.5.0-27-generic #46-Ubuntu SMP Mon Mar 25 19:58:17 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux. The Problem: LAN does not work after sleep. Just WiFi. And WiFi does not ...
2
votes
0answers
219 views

Automatically mount/umount sshfs on vpn-up and vpn-down

this problem is really frustrating me. I have the following script to mount/unmount a sshfs upon a vpn connection (vpn-up) and vpn-down. I have this script in /etc/NetworkManager/dispatcher.d/ ...
3
votes
1answer
871 views

How can I restrict users fom changing network settings and adding new connection using network manager?

I want to restrict users from changing network settings like changing IP address of the system and adding new connections, I have removed administrator rights from the user and user is not able to ...
8
votes
2answers
664 views

Link-Local Connection to Device Not Working

I am trying to connect to a device over link-local via IPv4. I've done my best to configure the GigE port correctly. When I turn the device on, the Ubuntu (12.10) gui pops up an icon saying I'm ...
5
votes
1answer
234 views

Network Manager Fails to Maintain A Long-Term Connection on 802.11x Networks

I'm good with bugs, but I can't remain connected to an 802.11x Enterprise grade network. It uses Tunneled TLS authentication, with PAP inner authentication. It will connect, but then go and randomly ...
1
vote
1answer
664 views

Why can't Xubuntu 12.04.2 connect to my hidden WPA/WPA2 personal protected wifi network?

I can connect to wi-fi networks that don't have any security without an issue, but when I try to connect to my home wi-fi, I cannot connect. After a failed attempt to connect, I notice that my ...
2
votes
1answer
5k views

How to activate mobile broadband automatically once a broadband modem is active? [duplicate]

When you insert your mobile broadband modem usb stick, it gets activated within 5 seconds or almost, and then modem is on (Modem manager); after several seconds, mobile broadband is enabled through ...
2
votes
0answers
400 views

How to persistently maintain cloned mac address on Network Manager?

I'm on Gnome 3, and it seems like I'm able to add cloned mac address to my network interfaces from the GUI wizard of Network Manager. The catch is, every time I reboot my computer the cloned mac ...
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?
1
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0answers
240 views

12.04, 12.10: NetworkManager fails to autoconfigure IPv6

Yep, precisely as the subject line says. In LAN in question we've tried Mac OS X, Windows 7, Ubuntu and ArchLinux. Everything except Ubuntu (what a shame!) works flawlessly, i. e. gets an IP(v6). ...
0
votes
1answer
47 views

Cannot access the hardware

Last night I did a very stupid thing by changing the owner of the directory /usr using the following commands su password: chown username:username /usr Now the problem is that I cannot access the ...
0
votes
1answer
1k views

Ubuntu Network Manger keep creating Ad-Hoc Hotspot. No infrastructure. A bug?

I'd like to share my Ubuntu wired connection with a Wifi android tablet. To do that I could use the "Use as Hotspot..." function in System Settings->Network. As I can understand, android has issues ...
1
vote
0answers
396 views

Could not run Hauwei E173 on 12.10 using NetworkManager (even from trunk)

I am trying to run Huawei E173 device on Ubuntu 12.10. First of all I have tried running it on raw Ubuntu (installed via Wubi) without any changes. Device was detected at lsusb as Bus 003 Device 004: ...
3
votes
1answer
267 views

What's the point of dnsmasq in NetworkManager?

I very recently came to realize that the caching is disabled by default on the dnsmasq that is integrated with NetworkManager. In my mind, that defeats the point and makes dnsmasq a redundant layer in ...
0
votes
1answer
196 views

Using both wired and wireless ubuntu 12.10 no bonding

i've got an PC running ubuntu 12.10. i have 2 connection: a wired connect to the internet through router A, and the wireless connection to the internet through router B. Now i have try to search the ...
1
vote
0answers
152 views

Networkmanager OpenVPN problem

I'm trying to set up an OpenVPN connection and I've imported the correct .opvn file and provided the username and password. I don't have a CA certificate so I left this field with the default option . ...
2
votes
3answers
12k views

How to restart WiFi connection?

I think I do not have problem with hardware. Sometimes the WiFi connection simply disconnects, apparently. So this is not necessarily the same as this case, I might not need to reload any modules. ...
4
votes
1answer
805 views

How to use VPN over manually set up network bridge (with the primary interface unmanaged by NetworkManager)?

I've set up a network bridge which I'm using to connect KVM virtual machines on my desktop to my home network; I' ve don this the manual way by creating the bridge in /etc/network/interfaces (the way ...
8
votes
4answers
13k 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 ...
0
votes
1answer
421 views

How to prevent non-root user from changing IP address and network parameters?

As I wrote in subject - How to prevent non-root user from changing IP address and network parameters? It's on Ubuntu 12.04. I followed instructions on Sitepoint's link ...
0
votes
1answer
123 views

How to check the speed/problems of network-manager?

in between suspend and awake my system of course drops its wlan connection. Then once awakend from its suspend notwork-manager tries to reestablish the connection. All works fine , I think BUT: doing ...
1
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0answers
539 views

my wireless network continously asking for Authentication even when i give correct security key

I have a BCM4313 on my laptop with Ubuntu 12.04. Initially before upgrading to 12.04 my wireless used to work fine. But after that its connecting sometimes and sometimes i cant find my network in ...
2
votes
2answers
3k views

How to install TP-Link MA180 on Ubuntu

I just bought the 3G Modem TP-Link MA180 and I try to install it on Ubuntu 12.10. Problem : Network Manager does not detect it. I saw on the web that usb-modeswith is supposed to handle it, but I ...
0
votes
1answer
220 views

Purged Network-Manager and now I can't download it because I don't have any internet connection

First off, I'm new to Linux - I have Windows 7 installed in my laptop. I thought of installing Ubuntu 12.04 and I used the option "install alongside windows". So every thing went down good except ...
2
votes
3answers
11k views

How to stop NetworkManager?

Is there any way to stop NetworkManager applet and switch to manual configuration of /etc/network/interfaces?
2
votes
1answer
1k views

Why doesn't Ubuntu automatically disable wireless networking when a wired connection is active?

When I have Wireless enabled and plug in my Ethernet cable, the wireless connection stays active, even when the wireless and wired connections are through the same network. I'm aware of this question ...
1
vote
3answers
5k 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 ...
2
votes
1answer
693 views

Cisco AnyConnect VPN Client broke my internet

I was using the AnyConnect client when it froze and I had to do a hard reboot of my computer. Now I can't connect to the internet at all, with or without VPN. The Network Connections manager seems to ...
2
votes
0answers
82 views

Problem linking WLAN to Ethernet

So I've been trying to use a laptop who's wifi card doesn't work properly, by using a Lenovo V570 laptop with Ubuntu 12.04 to bridge the two networks. I changed my ethernet network to "Shared to other ...
9
votes
1answer
5k views

Is dnsmasq not loading because of a Network Manager conflict?

I'm on 12.10, and have always used dnsmasq. A few days ago I noticed strange messages during boot: NetworkManager[1316]: <warn> DNS: plugin dnsmasq update failed dnsmasq[1302]: failed to create ...
1
vote
1answer
8k views

The “resolv.conf” file becomes empty after each restart [duplicate]

The "/etc/resolv.conf" file becomes empty after each restart and I lose the DNS data set in it. It only contains the following text each time: # Generated by NetworkManager What should I do?
2
votes
1answer
3k views

Networking Disabled under VMWare Fusion on Mac OS X

I use MacBook with Mac OS X Lion 10.7.5. I have installed VMWare Fusion 5.0.2, under which Windows 7 and Ubuntu 12.04 LTS have been installed as virtual machines. Under Ubuntu vmware-tools-distrib ...
2
votes
1answer
483 views

DSL through pppoeconf works but through Network Manager stops some sites from loading in browsers?

I am having Ubuntu 12.04. DSL through pppoeconf(connecting at boot time) works without any problem but connecting through Network Manager stops some sites from (fully)loading in browsers ? Disabling ...
1
vote
1answer
404 views

Why does network-manager always keep trying to connect to neighbours wifi?

I am using Ubuntu 12.04 Precise Pangolin with graphic interface gnome3. My wifi card detects like 20 diffrent acces points. Sometimes I want to stay unconnected, but not have to disable my wifi ...
0
votes
1answer
714 views

can only connect to one network

Just installed Ubuntu 12.04 a couple of weeks ago on my HP laptop (completely replaced Windows). Everything seemed fine until a few days ago when I was unable to connect to the internet with my ...
2
votes
3answers
4k views

In Wired Connection settings save option is getting grayed out

Each time I switch to manual configuration, of wired connection in Ubuntu 12.10, the save button gets grayed out. As soon as I start setting it in Manually, it gets grayed out.Please help ! One ...
0
votes
2answers
4k views

12.04 NetworkManager trying to configure eth0 which is on a bridge

For months I've been running 12.04 headless home server with a bridge connected through eth0. I've been using this /etc/network/interfaces file: auto lo iface lo inet loopback auto br0 iface ...
5
votes
1answer
970 views

selectively route traffic in split-VPN 12.04

I often work remotely. I use the Network Manager to set up my VPN connection, which has worked pretty well. The VPN I have set up currently using the Password with Certificates (TLS) type. What I ...
1
vote
1answer
159 views

Lost All Networking After Upgrade to Ubuntu 12.04

I am running an old Dell Inspiron 1521 built in 2007. I ran 11.10 on it and now have been running 12.04 LTS since its launch. When I first installed, I had to run modprobe b43 on the Broadcom Minicard ...
1
vote
1answer
3k views

ubuntu12.04 the system network service is not compatible with this version

After installing [libdirectfb-1.2-0_1.2.8-5ubuntu2_i386.deb] file for trying [Realsoft 3D] on Ubuntu 12.04 LTS 64bit, suddenly and without restarting the internet went off and the signal and the ...
2
votes
2answers
8k views

network-manager do not start automatically

How to auto start network-manager? I installed ubuntu mini iso and ubuntu-gnome-desktop (without the install recommendations). So, I have the system working fine, except that the network manager do ...
3
votes
1answer
538 views

Why do I now have to enter username and password when connecting from iPhone to the ad-hoc wireless network created on my Ubuntu machine?

I'm having problem connecting to ad-hoc I created in ubuntu 12.04.1 LTS. My office have a restricted (and very slow) Wifi which isnt much of any use. So I figured I could create an ad-hoc in my ...
1
vote
0answers
51 views

Internet keeps disconnecting from AP & network-manager needs to be restarted every few minutes [duplicate]

This happens with two different-vendor access points. Internet disconnects while the nm-applet is showing connected. Although, nm-applet shows that am connected and I got IP address but I even can't ...
6
votes
1answer
21k views

How to reset network manager

I'm using Mobile Broadband using a nokia mobile to connect to Internet. All I did in my Ubuntu 12.10 is add 'new mobile broadband' (in terms of networking, no other tweaks). Problem: Yesterday i just ...
1
vote
1answer
15k views

Setting up ovpn connect for iPhone with no ovpn file

I have a working openvpn connection on a Ubuntu laptop. When I export it (using network-manager) I get a conf file. I need an ovpn file so I can configure my openvpn app on my iPhone. I also have a ...
8
votes
3answers
31k views

How can I completely remove NetworkManager?

I want to disable NetworkManager entirely, and have my eth0 and wifi connections unmanaged. My eth0 on my main linux box is unmanaged and I have no issues with it, I want to do the same to my other ...
6
votes
1answer
16k views

How to set up Internet connection sharing?

I have installed Ubuntu 12.04 LTS. Now, I want Internet connection sharing between the two LAN cards. How can I accomplish this?
1
vote
1answer
80 views

Play a sound file when connecting to the Internet?

Is it possible to play a certain sound file whenever Ubuntu connects to the Internet? The sound should play when Ubuntu begings to try to connect after starting up the PC, after manually ...
1
vote
1answer
968 views

How to setup Adhoc between Kubuntu 12.10 to Ubuntu 12.04

So I'm in a temporary situation. If I get the answer later, I still would like to know the answer. I have 2 laptops, laptop 1 is and old pentium m running Ubuntu 12.04 (The last supported OS for it.) ...
0
votes
5answers
4k views

How to change MAC of wlan0?

Can anybody tell me the way to change MAC of wlan0? I have tried macchanger commands but nothing works (Ubuntu 12.10-Broadcom Network Adapter). This is what I am getting: I have tried the ...