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

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1answer
32 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 ...
0
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1answer
30 views

NetworkManager does not start automatically

I used this QUESTION to configure the default of Ubuntu 14.10 to start in RUNLEVEL 1 but when I switch to another RUNLEVEL (2,3,or 5) , there is no network connection and I have to start the ...
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0answers
9 views

Network manager conflict at startup in Xubuntu 15.04

In previous versions of Xubuntu I haven't had this particular problem but what happens is that the Network Manager appears sometimes after startup and some other times it doesn't show up. Also I ...
7
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3answers
23k views

How to enable/disable mobile broadband from terminal?

I use ZTE USB Modem on Natty Narwhal. Every thing works fine but sometimes it get disconnected. I want to write Shell script that reconnects mobile broadband if it is disconnected or the received data ...
1
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2answers
33 views

Unable to connect to the internet on a ubuntu 14.0.4 laptop using zte(reliance cdma) AC2739 usb modem‏

many linux/ubuntu users face this problem -->(connect to internet using modem zte/etc.....) because modern dongles have usb storage + modem+cd rom, usb_modesswitch blablabla....................... ...
1
vote
1answer
230 views

how to setup split-dns for vpn with network-manager

I want to create a split-DNS config on a 14.04 desktop machine with both a local eth network and a VPN connection. Ie I should send DNS lookups for address ranges that are accessed via the vpn to the ...
1
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2answers
3k views

How can I enable bonded network interfaces in Ubuntu 13.04/13.10/14.04 using NetworkManager

This question is about network interface bonding in Ubuntu 12.04 Precise and newer (12.10 Quantal/13.04 Raring/13.10 Saucy/14.04 Trusty). Bonding is also known as network interface teaming, link ...
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2answers
8k views

Wifi Not Working On Ubuntu 14.04 Lenovo G 50-30

I am facing problem to enable wifi on my Lenovo G50-30 Below are the command out put please help me out lspci | grep -i wireless: 02:00.0 Network controller: Realtek Semiconductor Co., Ltd. ...
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0answers
20 views

How do I connect to an L2TP IPSec VPN using a PSK on 15.04?

I've installed StrongSwan and the network manager helper and I have the options in the applet for VPN, but it only supports certificate configuration, not PSK entry. I've tried to add the PSK into ...
0
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2answers
4k views

How to save VPN passwords with NetworkManger for nmcli?

There are many posts about putting VPN passwords into /etc/NetworkManager/system-connections/<connection>. I can't get any of them working on Ubuntu 12.04. The fields in the questions and ...
0
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2answers
171 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 ...
0
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0answers
16 views

Cannot connect to VPN at all after upgrading my router

I am using UBuntu 15.04 I previously had a TPLink Modem+Router and I was able to flawlessly connect to the VPN on my Ubuntu 15.04 without any issues. Than I upgraded to a DLink 2750u Modem+Router and ...
0
votes
1answer
21 views

How do you make sure that new hostname is successfully broadcast to the network?

I am trying to reset my hostname, but I am not sure if the broadcast is successful or not, is there a way to check? user:~$ sudo hostname newhostname user:~$ sudo dhclient sudo: unable to resolve ...
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0answers
8 views

Cannot Connect to WPA2 Enterprise on Ubuntu Phone

I wrote a NetworkManager config file by myself and I also tried the one mentioned by Stunts in this post. I put each of them into /etc/NetworkManager/system-connections/ but nothing happens. I ...
3
votes
2answers
3k views

Why Network Manager Can't Detect My ZTE USB 3G Modem!

I am using ubuntu 12.10. I use a ZTE USB 3G Modem to connect to internet. I connect that modem through a driver software which was provided with the modem. This modem works fine. I can browse , use ...
47
votes
4answers
100k views

How to connect and disconnect to a network manually in terminal?

Since the network manager is troubling me so much I want to replace it (possibly wicd orNM from ppa:volanin). I do not know how to connect and disconnect to the network through the terminal without ...
3
votes
3answers
16k views

Create WiFi hotspot on ubuntu

Although many questions have already been asked regarding WiFi hotspot, I didn't get any of the solutions working for me. I connect to the Internet using a 3G Dongle of Huawei 3772 (Vodafone). The ...
0
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1answer
33 views

Apartment Network Issue

Ok so I'm trying to SSH into my home machine from work/school. Problem is, even though I set up my router appropriately, I can only ssh into it when I am in my apartment's network (not my own ...
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0answers
18 views

Network manager core dump 15.04

I am trying to get someone to respond to this question: Ubuntu 15.04 reboots by itself But in the meantime I get this on Uuntu 15.04 nm-applet (nm-applet:4109): nm-applet-WARNING **: Cannot grab ...
1
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1answer
24 views

Network Manager VPNC

I am trying to connect to an Xauth Ipsec VPN, I have entered all my relavent infromation and the VPN seems to fail without an error that I can debug. Uses Username/password, Group name and then a ...
3
votes
2answers
49 views

Network manager applet doesn't show wired network connection

I have the latest installs of network-manager and network-manager-gnome. I installed Ubuntu Server LTS 14.04, then installed Cinnamon on top of that. I have LAN network connection (can browse, etc.). ...
1
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1answer
282 views

Weird network troubles in 14.10

After hours of research I need some help. /: After upgrading from 14.04 to 14.10 I'm seeing the Waiting for network configuration message on boot, even though my /etc/network/interfaces just ...
0
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1answer
26 views

Remove network interface permanently

I'm trying to remove a network interface permanently. For some reason, ifconfig lists eth0 and eth1, although the latter RX/TX metrics remain at zero. I suspect that extra eth1 entry might be causing ...
0
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1answer
34 views

WiFi keeps dropping out but still shows as connected

I installed Ubuntu the day before yesterday and am still having a few teething issues. Every half hour or so my wireless connection just stops, but is still indicated as online. Disconnecting and ...
0
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1answer
29 views

Reset network settings to what Ubuntu installs

The problem is I messed up lots of files (such as networkmanager.conf) and other because my laptop was not connecting to an ad hoc network, it connected to other hotspots like my androids shared ...
2
votes
3answers
13k views

OpenVPN GUI client for UDP/TCP

Is there any easy solution for OpenVPN being executed from Desktop for non technician people so they only push a button and get connected to a external VPN? Most of my colleagues are non Linux ...
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2answers
41 views

SOLVED - Cannot connect to network using a WiFi USB Adapter

This question has been solved. Thank you for all your help. The solution was just to downgrade. Didn't even need to install the OS for it to work, it worked inside the installer. My mother's old ...
0
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0answers
11 views

Network manager can find all but the default network on startup

I recently installed Ubuntu and everything is still vanilla except for i3wm which I am using instead of Unity. When I startup Ubuntu it cannot find the default wireless network that I set during the ...
3
votes
1answer
5k views

Reset network configuration in ubuntu 12.04

My DSL internet did not connect by network-manager! So I tried to use sudo pppoeconf and my laptop connect to internet successfully. After that my problems are started! First of all network-manager ...
0
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0answers
8 views

VPN Configurations lost after boot

I had VPN connections stored in network-manager and everything worked like a charm. However, i recently deleted all my VPN connections and added new ones and now, after every reboot they disappear. ...
1
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2answers
41 views

How does the system admin gets the ethernet address of computers in the network?

I am very new to system administration. Have a doubt, how does the system admin gets the Ethernet address information of the computers in the network. Actually my doubt is how does he determine the ...
4
votes
2answers
192 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 ...
1
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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 ...
1
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2answers
374 views

Can't get online after installing Lubuntu 15.04

I upgraded to Lubuntu 15.04 yesterday. I originally installed Lubuntu at school several months back, so it was done using the school's Ethernet connection. At home, I set up my own DSL connection, ...
0
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0answers
14 views

Set preference on wired network connections

I am running Ubuntu 14.04 LTS with Unity on a Laptop. I have configured two different wired Connections named "home" and "office". I use the work connection more often than the home connection. ...
4
votes
5answers
8k 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 ...
1
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0answers
29 views

Creating a WWAN profile in NMCLI, or alternate way of connecting to 3G via CLI?

I need to connect to the internet via a TP-Link MA260. After spending hours with usb_modeswitch and other tools, I finally got the device to be recognised as a modem and have the interface wwan0. ...
2
votes
2answers
3k views

Configuration of the Network Manager via DBus: how to set the ad hoc mode

I have an hard nut to crack: a nice bottle of italian Chianti wine to the solver! :) To automatically configure WiFi, I first have to kill the Network Manager and than activate the WiFi via the ...
0
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0answers
8 views

Make Ubuntu set custom DNS for new connections by default

I am using custom DNS servers. For each new connection I have to add custom DNS servers manually. Is there a way for all new networks to have different DNS servers automatically?
4
votes
3answers
18k 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. ...
1
vote
1answer
25 views

Different proxy servers to diferent networks

I'm looking to a alternative to configure a different proxy each time that I connect to a different network. By example: Network 1 (cable) - Servers - proxy 192.168.0.1:3128 Network 2 (wireless) - ...
0
votes
1answer
201 views

How to install wireless adapter D-Link DWA-131?

Recently I built new PC with Ubuntu OS 14.04 (64bit). I noticed the D-Link Wireless N nano USB Adapter doesn't get detected and installed automatically. Following are the adapter specifications: ...
3
votes
2answers
6k views

Can't connect VPN pptp on 13.10

So I am having the exact issue as was happening in this question here I have also installed a VPN connection via NetworkManager and getting the exact same stack trace. I've looked at ...
0
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0answers
46 views

Cant connect to OpenVPN because of Invalid VPN secrets

So I signed up for a vpon and installed it properly and had it working. Yesterday I had a problem where I needed to completely reinstall Ubuntu. I re-set-up my vpn connection and now i'm running into ...
2
votes
4answers
5k views

Tata Photon Plus not working in Ubuntu 12.04 though configured and was running once upon a time.

I have installed Ubuntu 12.04 few months back. My modem, Tata Photon Plus got connected after a number of unsuccessful trials and I browsed the net successfully. But since a month, it is not getting ...
11
votes
1answer
4k views

Automatically disable wifi (wireless) when wired?

What's the best way to automatically disable my Wifi/wireless connection whenever I plug in a wired Ethernet cable? I'd like it to be re-enabled when I later unplug the wire. Also, I sometimes like ...
0
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0answers
84 views

Can't connect to my dsl connection in ubuntu 15.04

After the recent upgrade, when I tried to connect to my dsl, it shows like this.. Connection activation failed. (1) Creating object for path '/org/freedesktop/NetworkManager/ActiveConnection/5' ...
0
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1answer
3k views

Cannot connect to university computer via ssh over a VPN connection to my uni. network?

I need to VPN for happen a ssh connection to my uni. server. Both computer powered by Ubuntu 13.10. I am able to establish VPN connection to the network but ssh connection does not repond and gives ...
0
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0answers
18 views

Reconnecting interface from nmcli

I'm writing application in which I have to disable all network interfaces. Because nmcli nm enable false is only temporary (and autoconnects after some time), I use nmcli dev disconnect iface ...
0
votes
1answer
42 views

Xubuntu's Network Manager cannot detect wifi on Lenovo G450 laptop

I just recently installed Xubuntu 14.04 on dual boot in my Lenovo G450 laptop. For some reason, I can only connect to the internet on an ethernet cable since the Network Manager fails to detect any ...