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

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21 views

No WiFi on a system76 laptop after upgrade to 15.04

I just upgraded System76 Gazelle laptop to 15.04 and wifi no longer works. It sees many network and tries to connect to mine, but fails repeatedly (/var/log/syslog seems to indicate authentication ...
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1answer
158 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: ...
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1answer
30 views

Kubuntu 14.04 missing some network settings

I'm trying to set up a VPN, but I am missing any VPN settings in my network settings. (I have a picture) Why am I missing these settings? I just did a fresh install of Kubuntu 14.04 LTS.
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0answers
44 views

Can't connect specific WIFI network (Ubuntu 15.04)

I'm using Ubuntu 15.05, My computer cannot connect specific WIFI network, but it's connecting this network with using ethernet port. Also when I open my computer with Windows 7, this can connect this ...
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1answer
70 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, ...
45
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3answers
97k 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 ...
0
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1answer
18 views

ubuntu 12.04 File Permissions or owner were insecure

Let me explain a little bit about what i am trying to do, i am trying to manage Network Manager files via a non root user and i keep getting the error message that says: keyfile: updating ...
2
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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 ...
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3answers
34 views

DNS not working after upgrade from 12.04 to 14.04

I've recently upgraded my desktop from 12.04 to 14.04 and now my internet connection isn't working. I can access my router. I can go to Google by entering its IP address. My resolv.conf file: ...
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1answer
25 views

dnsmasq disabled on Network Manager

When I first started using Ubuntu, it would always use dnsmasq. I mean when I would enter $ nslookup www.bing.com The result would come from 127.0.0.1. But after installing and configuring ...
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0answers
21 views

Activating VPN fails always after temporary loss of internet connection

I have a few correctly set up VPN connections and use them frequently with nmcli. This works most times, but occasionally I can't connect any more with none of my saved VPNs: ...
2
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1answer
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 ...
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1answer
25 views

Ubuntu 14.04 ethernet connection using graphical network manager

I am trying to connect Ubuntu 14.04 to the internet with an ethernet cable. I have turned wireless off. The cable works off a Windows laptop that I am using now. When I plug in the cable 'wired ...
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1answer
195 views

Unable to load VPN connection editor in Ubuntu 14.04 LTS

Some time ago I created a VPN connection using Ubuntus own Network Manager, which worked fine! Now, a few months later, I want to go in and edit the connections details, but instead I get this error: ...
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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 ...
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1answer
12 views

How to broadcast a folder in network of class B network?

I want my specific folder on every pc which is in common network of my college so how to broadcast that folder is there any command like ssh? please help me fast.
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0answers
12 views

Xubuntu - missing checkbox “connect VPN automatically”

I'm trying to make my VPN connect automatically (on startup or when I got disconnected from Wifi) and most of users have a checkbox directly in network-manager. I don't. I thought I have old ...
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0answers
25 views

"How do I find BOOTPROTO information for eth0

Where can i get BOOTPROTO information in ubuntu? File "/etc/NetworkManager/system-connections/Wired connection 1" doesn't contain BOOTPROTO information.
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0answers
11 views

OpenVPN nameservers ignored by NetworkManager or whatever [closed]

I've followed a dozen suggestions from different websites and nothing helps. I'm using Elementary OS (based on Ubuntu 12.04). I use OpenVPN client to connect to an office network. The company I work ...
1
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1answer
40 views

Unable to set proper routing between two networks

Three boxes running three different ubuntu flavours (14.04, 14.10, 15.04). I'm trying to get all of these to talk between themselves, while being on different subnets, and I can't figure how, yet. ...
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0answers
23 views

Repository MTR strange behaviour:

Can someone explain this MTR readings or that may be a DNS resolver issue. have tried many things: such as changing dns to popular public ones with no changes First issue: MTR GUI does not show the ...
0
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1answer
24 views

Where does Network Manager write connection settings for eth0?

In Ubuntu I have configured network through network manager. Every thing is working fine.My machine is pinging self machine as well as remote machine. but file /etc/network/interfaces doesn't contain ...
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0answers
36 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 ...
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0answers
28 views

Only allow one random IP access a specific port

I have seen a SOCKS 5 proxy service provider, it provides: Basic package: the same account (corresponding to a specific port) only one terminal at the same time Platinum package:the same account ...
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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 ...
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2answers
2k views

Shutdown Hangs for 5 Minutes on Kubuntu 14.04

I've had persistent problems with a 5 minute hang at shutdown for the last three versions of Kubuntu (13.04, 13.10, and now 14.04). I suspect this is not a KDE-specific problem. Recently, I performed ...
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0answers
18 views

Openvpn with network-manager

So I've been trying to setup openvpn with my VPS like this: Raspi: provides route to home lan. Have set up routes on router already. Laptop: use when out and about by connecting to vps via openvpn ...
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1answer
48 views

Ubuntu linking two wireless networks and sharing internet connexion

I must at first say that I'm a total noob regarding networking. I have two wifi adapters (wlan0 and wlan1). wlan0 is connected to a wireless router that is not connected to internet. wlan1 (a long ...
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6answers
36k 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 ...
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0answers
26 views

Network folder access

I am new to Linux so there are quite few tasks that are new to me. First I am using DSL connection and wire is connected to wireless router and that is how we connect to internet at home. But if I ...
18
votes
3answers
21k views

How do I change / spoof my MAC address and easily switch between multiple ones?

My router can do port-forwarding based on MAC addresses. That is, a specific MAC will get a specific IP, for which I can configure a set of ports to be forwarded. In order to easily change that set of ...
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votes
1answer
16 views

Issue with gnome-connection-manager

I use Ubuntu 14.04 with gnome-connection-manager. Everything worked well, but then gnome-connection-manager crashed and now I can't start it. The process is not running and a reboot did not help. ...
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2answers
65 views

Wireless randomly disconnects from time to time

For some reason, my laptop's wireless connection randomly disconnects from time to time. It may suddenly disconnect when I'm editing a Google Docs file, when I'm cleaning my files or when I've walked ...
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0answers
16 views

What layer(s) in network stack does WICD or gnome Network Manager manage?

Does WICD or gnome Network Manager manage what layer(s) in network stack: application layer transport layer network layer link layer physical layer My guess is the answer includes network layer, ...
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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 ...
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 ...
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1answer
64 views

Have internet connection but can't ping External sites

I have an Internet connection and can browse, but I can't ping the google DNS, ping 8.8.8.8 nor can I ping google.com Any ideas why this might occur?
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2answers
3k views

Why do none of my local servers resolve?

When I try to ping or browse using a web browser certain domains names that we host on our local network, it does not work. Yet, dig and nslookup correctly return their details. What do I need to do ...
2
votes
1answer
27 views

KDE Network Manager Notification Options Not Available

KDE Network Manager is suppose to have notification options for Connection Activated or Deactivated are missing here. I am on Kubuntu 14.04 LTS fully updated. You can see in the picture that some of ...
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votes
3answers
3k views

override dns nameserver [duplicate]

i wish to set higher priority for my dns nameservers, or override the ones that are being set by the dhcp server. no matter which approach i took, nslookup never displays the right dns nameserver. ...
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0answers
16 views

Implement Catch-all HTTP Server using DNSMASQ

Ubuntu 14.04 | dnsmasq My goal is to setup a catch-all HTTP server using an Ubuntu 14.04 workstation as DNS resolver. I have installed dnsmasq on my Ubuntu 14.04 OS using apt-get install dnsmasq and ...
0
votes
0answers
19 views

Query the DNS server(s) that are used for VPN

Is there a robust way to show which DNS servers are currently used by dnsmasq? The suggested Command-line to list DNS servers doesn't seem to help when VPN is active, and searching in syslog is not ...
1
vote
1answer
24 views

How to block access to all SSIDs except for a preferred SSID

I work in an enterprise environment and I need to block access in Ubuntu 14.04 to any unapproved SSID in a lab setup. The client only wants users in the lab to be able to access one specific SSID and ...
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 ...
0
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3answers
35 views

Ubuntu Network manager

I uninstalled network-manager from my Ubuntu-gnome, so I don't have internet connection. How can I reistall it.
2
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0answers
2k views

OpenVPN on Ubuntu 14.04: Auto Connect on startup

There are a lot of topics concerning this. OpenVPN Auto Connection by putting the conf file to /etc/openvpn just doesnt work. When using the Authentification type "password" an easy way to make it ...
0
votes
2answers
90 views

WiFi connection to router but no Internet connection?

I installed Ubuntu on my EasyNote-TM86 today. I can't access any websites although I am connected to my router. Other devices (including my laptop before I installed Ubuntu) are able to establish a ...
1
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2answers
4k views

Told command dpkg cannot be found

On issuing the command sudo dpkg -i (package name) at chronos@localhost ~ $, I get the response sudo: dpkg: command not found. Anyone know why? I'm trying to load version 3 of network-manager and ...
0
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0answers
7 views

Can I specify which VPN connection “wraps” another?

I have a VPN connection (say private) setup on a server, which is used as access point. Now, sometimes, I need another VPN connection (say business) to be established (specifically, a cisco one) in ...
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0answers
24 views

Network is not working after installing some updates in Ubuntu 14.04

Everything was working fine in my Ubuntu 14.04, when I installed some updates last week network is no more working. sudo uname -a Linux bhupendra-VirtualBox 3.13.0-48-generic #80-Ubuntu SMP Thu Mar ...