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

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Why Xubuntu 16.04 wireless connection fails so often?

I usually don't ask "stupid" questions like this, but the wireless connection in Xubuntu 16.04 is killing me!! I'm browsing the internet like any regular Joe and all of the sudden Chromium is telling ...
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7 views

Installing Gnome-Network Manager

I use Ubuntu 14.04 (LTS), I want to create Hot-Spot, My Desktop Environment is Xfce, I want a graphical Gnome3 Network manager in order to create a Hot-Spot, I tried to Install by using this Command, ...
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1answer
13 views

VPN, Loopbacks, Ubuntu Server, And VirtualBox

Is it possible to create a VPN server in VirtualBox, and then connect to it from the same machine? Also, will it actually secure my information if I'm using public wifi? I'm a novice when it comes ...
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1answer
18 views

Problem wired connection ubuntu LTS 14.04

I have a problem with my network wired connection, my general problem is when I plug the ethernet cable it doesn't work. But the problem is the following, if my computer is on and later I plug in ...
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0answers
7 views

NetworkManager doesn't add the right IPv6 routes [on hold]

Edit: the problem was a rogue router on my network which was advertising itself with a faulty prefix. Ignore this question, sorry! When enabling IPv6, connecting to a network using NetworkManager ...
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0answers
6 views

NetworkManager segfault every time I disconnect

Every time I disconnect from a wired or wireless network using the network manager applet, I get this in dmesg: [ 2036.633608] NetworkManager[13108]: segfault at 8 ip 000000000048abc6 sp ...
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0answers
20 views

15.10 - Cannot connect to wireless networks at home, but can at remote locations?

Ever since I plugged in an ethernet cable into my laptop at home I cannot connect to the wireless network anymore. It doesn't list any of them. Before it was working fine. The weird part is, whenever ...
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1answer
15 views

How to specify additional search domains for resolver in 16.04 when using DHCP?

With Gnome Ubuntu 14.04, it was possible to specify additional search domains for the resolv.conf, when editing a network connection, like so: But where do I find this field for the "additional ...
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44 views

WiFi Not working in After Installation in ubuntu 16.04

all I am facing a problem with my wireless. When I tried Ubuntu 16.04 Live, Wireless was working fine, but after installation Wireless is not working, My Machine in HCL ME (i3). The Machine has ...
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34 views

SLOW Boot and Login times Ubuntu 16.04

Ubuntu 16.04 64 bit taking around 15 sec from Login screen to desktop and around 20 seconds from grub to login screen, tell me which services i can safely disable, i do not use virtualbox and ...
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12 views

System Wide Proxy Setup - Must Or Optional

I would like to understand few things about system wide proxy on ubuntu. When a system wide proxy is set from network settings, does all applications (regardless from user) use this proxy or can ...
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1answer
28 views

VPN connection and network manager

I premise I'm new in the Linux world. I'm using Ubuntu 15.10 and want to connect to a VPN. I type this in the command line: sudo openconnect --juniper vpn.unipi.it I give it all the needed ...
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19 views

How to control startup options of dnsmasq?

I'm on Ubuntu 16.04 Xenial and Network Manager started dnsmasq for me with these options: ~/ ps awux|grep dnsmasq nobody 2649 0.0 0.0 54488 3588 ? S Mai23 0:00 /usr/sbin/dnsmasq ...
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1answer
24 views

Unstable WiFi on Ubuntu14.04.4 LTS (dual booted with windows7)

I dual booted my PC with Ubuntu 14.04.4(trusty), with Windows7 installed first. WiFi worked on Ubuntu for 2 weeks perfectly fine and then became unstable. It connects after rebooting for the first few ...
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0answers
15 views

Internet-connection gone [on hold]

The message "Interface down" shows up when I place the curser on the NetworkManager icon in the bar, and I can't connect to the internet any more. What is going on?
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20 views

Network manager 14.04 continues to disconnect randomly after lib's were upgraded on 2016-05-13

While the disconnection/re-connection problem has gotten less frequent, the network manager continues to disconnect randomly. I've tried three wireless dongles and it still disconnects randomly with ...
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0answers
10 views

network-manager times out connecting to openvpn server (TLS error)

I am trying to connect to an open vpn server through the network manager; below are the system logs for connecting through NM and using the client directly. The client connects fine but NM doesn't NM ...
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0answers
31 views

How to make Dlink DWA-123 wifi adapter work flawlessly

I want the DWA-123 to automatically connect to network on boot. I always have to re-plug the device to get it working. Otherwise network manager shows it as disconnected, and doesn't detect any wifi ...
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0answers
31 views

Kubuntu 16.04 - Wireless card is crashing and cannot be restored

Hardware: Dell XPS 13 9350 Wireless Card: Intel 7265 11ac Wireless Card with Bluetooth 4.0 Symptoms: At seemingly random times, the network will drop and the wireless interface seems to disappear. I ...
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1answer
84 views

How can I set mac address using the command line in Ubuntu 16.04?

With Ubuntu 14.04 when I wanted to connect to a network using a different mac address I would run the following commands sudo service network-manager stop sudo ifconfig $interface down sudo ...
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51 views

setting up ethernet port for DHCP in Ubuntu 16.04

I have just installed Ubuntu server 16.04 and as per new scheme the default ethernet port is longer named eth0 but is named as enp02s. But this port only gets configured with a private ip address such ...
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1answer
55 views

Provide password to `nmcli con up` in terminal 14.04

I am trying to connect to my VPN using terminal. My VPN password is a TOTP, so cannot save it to the connection conf file. When I try to connect, a dialog appear to enter password. I want to do it in ...
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1answer
25 views

How to make Network Manager ignore VMware virtual network adapters

I'm running Ubuntu 16.04, fully updated. The 2 devices listed that are not being managed didn't show up until I installed VMware Workstation 12.1.1. I believe they are from the VMware host-only/NAT ...
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1answer
36 views

Change MAC PERMANENTLY(for wlan0)

I need to change my MAC permanently for wlan0 interface. Macchanger is a pretty good variant but after rebooting wifi card old MAC comes back. So, I don't like to use it. I found one good solution ...
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14 views

I can't see the neetwork menu. I typed nm-applet in the terminal, I got these errormessages

I can't see the neetwork menu. I typed nm-applet in the terminal, I got these errormessages ** (nm-applet:5051): WARNING **: Could not initialize NMClient /org/freedesktop/NetWorkManager: The name ...
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23 views

Ethernet dose not connect automatically

I'm beginner in Linux and I install Ubuntu 14.04 LTS. I need to connect VPN automatically, so I choose the "Automatically connect to VPN when using this connection" tab in network connection but after ...
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19 views

Network Manager crash not resolved [duplicate]

I lost my network connection following an upgrade I installed on Friday 13th May (no joke!). This was on both my desktop PC and my Sony laptop, both running on Ubuntu 14.04 LTS. I visited this site: ...
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19 views

No Networks Tab In Menu Bar

There is no networks tab in menu bar and therefore I cannot connect to internet. When I go to System Settings > Network, it gives me this error: "The system network services are not compatible with ...
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1answer
27 views

Network Manager Prompts for VPN Login Password at User Login

I'm running 16.04 with Ethernet connection set to automatically connect to my VPN at start up in Network Manager (NM). However, the NM password window appears at the Ubuntu login screen asking ...
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0answers
35 views

DNS problems in Ubuntu 14.04

My current /etc/resolv.conf looks like this: nameserver 192.168.1.254 nameserver 10.23.0.1 search home My basic problem is that I want to use different nameservers, such as Google's nameservers, ...
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0answers
113 views

Why is network-manager still so bad? [closed]

In my opinion, network-manager has been Ubuntu's weakest feature for years now. I recall in 2011/12 giving up on it completely for WiCD. It's been usable on my current installation so I've stuck with ...
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58 views

Possible bug with new version of ubuntu finding my wifi radio

I think my Ubuntu automatically upgraded (the top line on grub's alternative grub boot page shows "Ubuntu, with linux 3.19.0-59-generic" and the next normal line shows "...-58-generic") and my wifi ...
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1answer
70 views

Problem connecting laptop (Ubuntu 14.04) to WiFi network

Okay, so I recently downloaded Ubuntu and installed it to run alongside Windows 7. When I started Ubuntu, I could not find my WiFi network in the network list. My ISP (Internet Service Provider) is ...
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0answers
27 views

Network Manger doesn't start automatically

The regression in the last network-manager update (may 13, 2016) also affected me. I've managed to fix it by downgrading, but since then every time I turn on or restart the computer, there is no ...
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2answers
269 views

Ubuntu 14.04 — The system network services are not compatible with this version

I have read all related questions but none of those answers worked for me. So the problem is that on my ubuntu 14.04, there isn't network connection and no network icon either. I have used ubuntu over ...
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1answer
88 views

Cannot activate Network Manager

Laptop sat cold for a day, and after a cold boot up I discovered no internet connection, no wireless or network icon in top right icon tray.. no access via ethernet.. nothing! Through terminal, ...
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216 views

WiFi Stopped Working After Updates on 5/13/16 (Xubuntu 14.04.4 LTS)

I used my desktop normally on Friday, but when I booted it up on Saturday (yesterday), there was no WiFi icon in the icon tray and there is now no network connection. I believe I installed some ...
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2answers
125 views

Unable to connect to the internet, Network menu has disappeared

I installed Ubuntu 14.04 LTS on Lenovo Think-pad laptop some months ago. Everything has been working fine until yesterday. Don't know whether something hasn't updated correctly. Very new to Ubuntu and ...
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63 views

On boot network-manager crashes

Since yesterday when I boot I cannot access the Internet and the network-manager applet doesn't appear anymore in the icon bar. When I start the service manually, the following error popup appears: ...
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12 views

ubuntu isc dhcp gives ip only once

My system is a Ubuntu PC with 3 thin clients that are connecting through ltsp to it. There is also a router inside this network so there are 2 DHCP servers inside the network. I've set the IP ranges ...
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1answer
41 views

My Network Notification icon not showing Ubuntu Kylin 14.04

I know this is a question asked a lot,but I have tried almost every solution out there and the network icon is still not showing. I am using Ubuntu Kylin 14.04. I tried to access nm-applet but it ...
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0answers
121 views

Unable to connect to network on Ubuntu 14.04

I found a lot of information how to solve this, but none worked. When I turned on my computer today I was without connection and I can´t find my network icon. If I try to open network on setting ...
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3answers
2k views

network-manager crashes [duplicate]

My networking was working fine yesterday. I shut down, went to bed, and when I booted up this morning it won't even talk to the router; network-manager crashes. I was wondering how to upgrade ...
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1answer
32 views

nmcli dev disconnect iface wlan0 does not work anymore :(

if I do sudo ifconfig wlan0 down, the network interface is turned off, and then turned on immediately (by network-manager, I guess), because it tries to re-connect, nmcli con up down xxx used to work ...
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0answers
83 views

With Ubuntu 14.04 I am unable to connect to BSNL Broadband but via windows wireless internet

Till last night I was able to download files from the internet via BSNL broadband. I left a download overnight and then I went to sleep. When I woke up the BSNL broadband on Ubuntu 14.04 stopped ...
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0answers
28 views

I installed Jupiter and my network manager is gone!

I installed Jupiter, everything was goin' fine 'till y restarted my PC. Once it started my network manager was gone so I had no internet connection (neither wifi or ethernet). I tried everything i ...
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33 views

Latest lbnl upgrade crashed NetworkManager [closed]

Latest lbnl upgrades installed yesterday 12.05 completely disabled NetworkManager. Cannot start it, won't work. Even te apllet is gone. Obviously cant even report it as a bug. Anybody know a ...
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0answers
146 views

WiFi does not work in Ubuntu 14.04

Suddenly, my WiFi does not work. I have tried to fix it but the Network-Manager is deleted. This is my other laptop, and I need to get help. Is there a possible way to reinstall Network-Manager ...
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3answers
271 views

Network manager stopped working

I'm running Ubuntu 14.04 and the network manager suddenly stopped working so I can't access the internet. The network manager icon doesn't appear in the bar. When I access the network manager from ...
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0answers
77 views

Network-manager behaving erratically Ubuntu 16.4 Mate

Clean install of Ubuntu Mate 16.4 on a Vizio CT-15 has issues with network manager. Indicator applet will sometimes show the up/down arrows as if it were connected to Ethernet when it is connected to ...