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

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0
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4answers
38 views

Disable every network permanently

I have Ubuntu installed on an USB device, I need the system isolated from any network (LAN, wifi, bluetooth, etc.) permanently. I read a lot of suggestions but some are user-related, other disable ...
0
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1answer
14 views

VPN Not working, PPtP

today I was trying to set up a VPN. I have all the credentials and everything entered, but every time I try to connect, it says this. Here are the pictures for the steps I take to recreate this ...
3
votes
2answers
5k 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
780 views

How to configure D-Link DWP-156 USB modem to connect only to UTMS/HSDPA?

I am using D-Link DWP-156 USB 3G Modem (http://www.dlink.co.in/products/?pid=DWP-156) with Vodafone India as Carrier on Ubuntu 14.04LTS. It works fine with Network Manager. But sometimes it ...
-1
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1answer
16 views

arp-scan command displays (Unknown)

this command sudo arp-scan --interface=wlan0 --localnet display the following results: 192.168.1.1 *:*:*:*:*:* D-Link Corporation 192.168.1.101 *:*:*:*:*:* (Unknown) why i can't see the name ...
1
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0answers
32 views

Noob user. No network (wired). Cannot ping router

Let me start by saying I am pretty new to Linux, so forgive my unavoidable noobness and thank you for readning this. I am trying to set up a good environment to learn programming and familiarize ...
0
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0answers
12 views

How to automatically connect to wifi connection after entering keyring?

After starting up ubuntu, I need to enter my keyring password, which I don't mind. What I do mind is that it is not connecting automatically to a wifi connection stored in the keyring after entering ...
0
votes
1answer
20 views

A new connection is generated instead of using the new settings

I am trying to set up a static IP address using the nm-connection-editor tool. I select the currently-used wireless network, click edit, go to "IPV4 Settings", click add, enter a valid IP address, ...
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
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0answers
10 views

I cannot create a Wifi connection for Hotspot

I created a hotspot for my phone by using the instructions provided in here: http://ubuntuhandbook.org/index.php/2014/09/3-ways-create-wifi-hotspot-ubuntu/. After using it for some while, I decided ...
0
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1answer
114 views

Network Manager automatically turns off

I am using Ubuntu 14.04. My network-manager automatically turns off every now. Then, I have to restart it manually using the terminal. How should I debug this problem? Here is the dmesg output: ...
0
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2answers
38 views

etc/network/interface empty no internet connection

My internet connection has gone suddenly and I find my /etc/network/interfaces is completely empty, I can't ping my router and ifconfig for eth0 shows no ip address or broadcast address, I tried ...
5
votes
2answers
4k 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 ...
1
vote
1answer
55 views

How to connect to a VPN without using Unity network manager?

I have set up a VPN connection back when I used Unity instead of XFCE as DE for my Ubuntu 14.10. It worked well, but I can't find how I have to connect to it now under XFCE. Is there e.g. a panel ...
0
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0answers
7 views

Use VPN route only for vpn range

When setting up a VPN connection using the UI (System settings => Network) the VPN connection is used as the default route after connecting to it. How can I avoid this? That is without assigning ...
2
votes
0answers
30 views

Is it normal that network-manager manages virbr0? [closed]

I recently upgraded to vivid (I know it's still WIP), and have found that network-manager shows an interface virbr0 as Connected. virbr0 is an interface added by libvirt to handle networking ...
1
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0answers
12 views

Where is created Wifi hotspots located?

I use my small homeserver as Wifi hotspot. Usually I just use the ad hoc "internet sharing" hotspot feature in NetworkManager. Today I created a new Hotspot, without password, because I needed it for ...
0
votes
1answer
80 views

network-manager no longer starts automatically

First post here I think I have a 14.10 box that used to be a 14.04 box. It's a media centre. When it was a 14.04 box it booted up fine. Now though it doesn't. When it boots it pauses on "Waiting for ...
44
votes
2answers
51k views

Connect/disconnect from VPN from the command line

I have two VPNs setup on my Ubuntu machine, one using vpnc and one using PPTP. These were both setup using the GNOME network manager interfaces and work great. However on occasion I need to access ...
2
votes
3answers
4k views

Huawei E303C Problem / Problema con Modem Huawei E303C

TRANSLATED: I am really a new Ubuntu user, but for some time ago, I have tried Xubuntu and I liked it. Because of this I went a little further to Ubuntu. Right now, I am having this problem. I use ...
4
votes
1answer
7k 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 ...
0
votes
1answer
149 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 ...
0
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1answer
14 views

/run/network/ifstate keeps getting reset on reboot

I find that my /run/network/ifstate file keeps getting overwritten on boot. On this session I'd edit it to $ cat /run/network/ifstate lo=lo wlan0=wlan0 eth0=eth0 But on next session (after a ...
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0answers
19 views

How do I get NetworkManager's dnsmasq to work properly?

I have decided to give Ubuntu another shot, but I am running into some road-bumps after getting it installed. Namely, NetworkManager is not playing well with DNS. I am trying to get networking ...
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0answers
28 views

Error: “The system network services are not compatible with this version.”

I've been using Ubuntu 14.04 since 3-4 weeks now, and I suddenly encountered this error upon starting my computer today. It should be noted that the internet works, but I am unable to see the Wifi ...
0
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0answers
11 views

OpenVPN disables DNS due to firewall

I'm trying to use an OpenVPN service with Network Manager. When I'm on wireless and activate the VPN, it works flawlessly, but when I'm on a wired connection, I have no Internet access. Through trial ...
1
vote
1answer
4k views

Network Manager missing after update: no connectivity

After an update and restart, I found that the network icon on the top is missing and so, I cannot connect to LAN, wifi, USB modem, nothing. Now, I am booting from a Live USB, then chrooted to my ...
6
votes
1answer
301 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 ...
0
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1answer
67 views

Laptop can't find my home wifi network

The laptop has Ubuntu 14.04, it shows neighbors networks and it was working fine before. My phone and desktop connect to my home Wi-Fi with no problems. This has happened a few times before but in ...
1
vote
3answers
7k views

network bridge - without destroying network manager

I have seen a lot of questions related to Bridge and network manager. however none of them seem to apply to what i seen AND want. I setup my bridge in /etc/network/interfaces. This works perfectly; ...
3
votes
3answers
266 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. ...
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0answers
14 views

Remove interface from network list

So following the instructions from here I was able to disable NetworkManager from managing some of my network interfaces. Annoyingly though, they still show up in the list of interfaces. Does ...
1
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1answer
31 views

Run command when ethernet is disconnected

Is there a way to execute a command in ubuntu when an ethernet cable is disconnected/connected? There's a notification when a cable is plugged in or removed, so I assume there is some way to do this.
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0answers
11 views

I can connect to the network even though the network indicator says “disconnected”

When I disconnect from the network using the network manager tray "disconnect" command, I can still browse the Web and ping servers even while the menu shows me as being "disconnected". I have only ...
0
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0answers
14 views

Disconnecting and reconnecting to the network via suspend or network manager disconnects from OpenDNS

I use OpenDNS on my wired network connection for resolving DNS queries (as shown here). This works normally from system start up as can be verified from visiting the OpenDNS test page at ...
0
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0answers
16 views

Network Manager OpenVPN

Does anybody know how to use Network Manager with OpenVPN TLSv1.1 and TSLv1.2 ? It seems a shame that network manager doesn't have any advanced options that allows you to enable/disable some features ...
24
votes
10answers
41k views

What is the proper way to change the DNS IP?

I suspect that the name server provided by my ADSL modem/router is buggy. Whenever I browse to a website for the first time in ubuntu, resolving the domain name takes at least 15 seconds. To work ...
0
votes
2answers
3k 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
votes
1answer
188 views

How to Install/Configure/Manage Server/ProxyServer for my small office to control everything ?? (Ubuntu 14.04)

I am totally newbie to Servers. I'm running a small web based office with having 25 employees. It's been 3 months & i'm watching that my team is sucking up all my internet data in ...
7
votes
3answers
10k views

Why is the Edit button greyed out in Network Manager?

Since 2 days ago I can't edit any connections using network manager, because the "edit" button is greyed out. I tried doing a normal restart of the service to no avail. Any suggestions?
1
vote
1answer
31 views

nm-applet gives errors

nm-applet always gives me a hard time when connecting to wireless. I often have to restart it and make several attempts till it connects to a network. This time I ran it from CLI and I got this: ** ...
1
vote
1answer
87 views

Fresh Ubuntu 14.04. No Wireless rtl8723ae show disabled

First of all, thank you very much for any help. I am stumped. I installed all the linux-headers I think I need. But make still fails for the driver. But it looks like the driver is available for ...
0
votes
1answer
36 views

How to disable wireless from command line

How do you disable the wireless Internet from the command line? I tried sudo ifconfig eth1 down but network-manager seems to ignore this and keeps trying to reactivate it. What's worse is the ...
0
votes
2answers
65 views

Internet does not work over wired connection after removing pppoe configs

Internet over router using ethernet cable worked fine before I did any manipulation with PPPoE on my computer. After configuring PPPoE and testing some things I had to rollback configurations added ...
0
votes
1answer
37 views

wlan1 interface disappeared from ifconfig

I was trying to make a virtual interface on my wlan1 card (like set hostednetwork from windows) by editing /etc/network/interfaces: auto wlan1:0 iface wlan1:0 inet static address 192.168.4.1 netmask ...
0
votes
1answer
48 views

Wifi struggles mightily to connect, initially

I get reams and reams of this, then something catches, and I'm fine. This is Ubuntu 14.04.2 LTS lspci output: 01:00.0 Network controller: Qualcomm Atheros AR9462 Wireless Network Adapter (rev 01) ...
3
votes
3answers
13k 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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0answers
33 views

What is Network-manager trying to do with rdisc?

I have quite strict firewall setup using (g)ufw, allowing only some known to be useful outgoing traffic and denying the rest. I have noticed these recurring messages in syslog, and I'm wondering what ...
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 ...
1
vote
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 ...