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

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nm-applet not showing up

After a fresh install of Ubuntu Mate 16.04, the wifi-symbol won't show up in the panel, but wifi works. I know that there are similar questions to mine, but none for 16.04. Running terminal with ...
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1answer
21 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
20 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
30 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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1answer
2k views

Help connecting to my schools wireless network

My school´s hates everybody that dosen´t run Windows 7/8. Therefor, they will not give me support in connecting to my School´s wifi, which i need badly. I have a guide for Windows 7 and I hope that ...
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25 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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1answer
51 views

Networkmanager does not know that I am online, after resuming from hibernate

The following question is very close to this question. When closing the lid of my notebook or going to hybernate and waking up my Ubuntu 16.04 machine, the nm-applet shows, that I am offline. ...
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2answers
57 views

wifi still sleeping when resume

When I put my desktop in hybernate and then put it back on the wifi is gone. It is simular to the problem described here. But to fix it you have to run a command sudo nmcli nm sleep false. But the nm ...
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1answer
20 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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9 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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3answers
5k views

Ubuntu 15.04 network manager causing slow boot

Since upgrading from 14.10 to 15.04 a few days ago the boot time, grub OS screen to login screen, has increased from 12 seconds to about 40. This is my systemd-analyze critical-chain output: The time ...
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4answers
7k views

14.04 - Network manager stopped working

When I started my laptop, there was no network service, and also no network icon in the top bar. It gives an error when I start OS like "Sorry, Ubuntu 14.04 experienced an internal error". When I ...
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0answers
15 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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0answers
728 views

cant set wlan0 to mon0 mode only goes to monitor mode

so i dont know if this is supposed to happen but I have my wireless adapter all configured I have a tn wn822n usb thing i got off newegg. airmon-ng only finds something under interface if I connect to ...
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0answers
11 views

Internet-connection gone

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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0answers
19 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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2answers
135 views

Network connection not prompting for password

I'm looking at my syslog and seeing very little in the way of useful information about this, but whenever I try to connect to a wifi or VPN connection, I don't get any prompt for auth but the menu on ...
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0answers
27 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
4k views

network-manager not working in ubuntu 14.04

After installing Ubuntu 14.04 in Dell inspiron n5010, my network manager disabling wifi is not working. It was fine in Ubuntu 12.04. I need help.
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9answers
98k views

How can I use a .ovpn file with Network Manager?

I have a .ovpn file with my VPN config - it works fine when I do sudo openvpn --config ~jrg/Documents/vpn-config.ovpn in the terminal, but I'd like to use Network Manager. How can I do this?
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1answer
47 views

KDE5 Not Connecting to L2TP VPN

KDE is refusing to allow me to connect to the server, saying that org.freedesktop.NetworkManager.l2tp is not installed. Logfile: May 5 11:54:12 BlackHawk NetworkManager[7978]: <info> ...
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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
26 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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1answer
182 views

TCP retransmission to one server, only on ubuntu

Here is the situation: We have couple of computers in office but only two of them have issues connecting to our company website. Both runs ubuntu. It's always like this: I can connect to website 3-4 ...
4
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1answer
230 views

16.04 LTS - all wifi connectivity lost when changing wifi networks

After upgrading from 15.10 to 16.04, when I switch wifi networks using the network manager applet, all networking capability is lost. Before selecting the different wifi network, the wifi works ...
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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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1answer
53 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
72 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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0answers
42 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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0answers
234 views

rtl8723be drops wifi connection on hp pavilion notebook ubuntu 16.04

I have recently bougth a HP Pavilion Notebook and performed dual boot with ubuntu 14.04 lts and noted that no wifi networks on first boot. I've searched a lot (really) and did lots of stuff (installed ...
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2answers
588 views

How to enter password on console with NetworkManager's nmcli

I want to connect to a VPN with nmcli. Is there a way to allow me to provide a password to nmcli from the console? There seem to be ways to store the password in ...
0
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1answer
33 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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3answers
4k views

network manager not working

I'm using Ubuntu 14.04.1 server. Recently, I installed Ubuntu desktop for it; before that it had automatically gained an IP address through DHCP. After installing Ubuntu desktop, I have provided an IP ...
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0answers
13 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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0answers
54 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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0answers
22 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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1answer
71 views

14.04 to 16.04 upgrade ignores NetworkManager.conf

The machine in question was a straight from dvd install of 14.04 (upgraded to date before upgrade to 16.04 on 27-APR-16), with static ip, bind9 and registered domain. ...
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1answer
30 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
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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1answer
69 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
105 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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2answers
124 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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0answers
18 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
26 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
101 views

System boots slow - Ubuntu 16.04

I recently installed ubuntu 16.04 , after the installation seems like it takes more time to boot . On an average it takes 55 seconds to 1 minute . While checking the "dmesg" log I could see it gets ...
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0answers
34 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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2answers
263 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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2answers
2k views

Clean install ubuntu 16.04 cannot connect to wifi using NetworkManager, but nmtui works

I've performed a fresh install of Ubuntu 16.04 on my Asus N56VZ. Sadly, i cannot connect to wireless networks using the NetworkManager. I am able to see wireless networks, though. I tried to connect ...
4
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4answers
34k views

XFCE4 Network Manager

My standard Kubuntu 10.04 installation works perfectly but now I'm trying the lighter xfce window manager. I can't find any gui tool to configure networks. Someone on the web talks about the gnome ...
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6answers
42k views

Last upgrade crashes network manager (no internet connection, no applet)

While upgrading today, something caused my wireless network manager to disappear. Not even connecting via wired connection. This error is being shown by files: **(nm-applet:2716): WARNING **: Could ...