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

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6
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2answers
799 views

Unable to establish connection to mobile broadband connection

In Unity, when I make a mobile broadband connection, I can dial-up in the bluetooth manager, saying my connection will appear in the Network manager, but it doesn't. Any ideas?
6
votes
1answer
770 views

Is it possible to keep nm-applet running between invocations of WM startup?

I am using nm-applet to interface with NetworkManager, running xmonad as a window manager. My X sessions (including nm-applet) are set up with a /usr/local/bin/xmonad.start script. My question is, ...
6
votes
3answers
2k views

NetworkManager Applet shows no networks

I am "the friend" referred to in the questions here and here. I decided to come and ask a question myself, as I can still not connect to the wireless network. I downloaded Keryx, as suggested here, ...
6
votes
0answers
233 views
+50

SLOW Boot and Login times Ubuntu 16.04

Ubuntu 16.04 64 bit taking around 20 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 ...
6
votes
1answer
238 views

How do I remove the long name given to my internet connection?

The other day my computer randomly started displaying the full name of my ethernet controller as you can see here: I'm fine with it saying Ethernet Controller like it used to but having the whole ...
6
votes
0answers
8k views

Network Manager discards changes to /etc/resolv.conf on boot [duplicate]

Possible Duplicate: How To Auto Add To /etc/resolv.conf? I wrote interfaces entries manually because of weird behaviour from network manager/indicator: $ cat /etc/network/interfaces auto lo ...
6
votes
3answers
356 views

Unable to connect the weak wifi signal to Ubuntu 16.04

I have Ubuntu 16.04 installed in my computer, I have Broadcom Wifi in my computer. This wifi is not able to connect to the weak wifi signals around the computer, these are connected by my friends' ...
5
votes
9answers
44k views

How to reinstall network manager without internet access?

Unfortunately, I uninstalled network-manager-gnome using sudo apt-get remove --purge network-manager. I was trying to reinstall it from but without internet connection I cannot do so. What is the ...
5
votes
3answers
6k 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 network-...
5
votes
2answers
2k views

Trying Network Manager's replacement ConnMan

I'm aware that Network Manager is going to be replaced by ConnMan. How can I try it out? EDIT I installed indicator-network and it's dependencies, so how do use it? Oh, and I'm on 10.10's Unity. ...
5
votes
1answer
11k views

How to disable IPv6 when connecting to an OpenVPN server using Network Manager on a dual-stack system?

I'm using the OpenVPN client through the OpenVPN Network Manager plugin on a dual stack (meaning configured both for IPv4 and IPv6 connectivity) Ubuntu 13.10 to redirect all traffic through the VPN (...
5
votes
2answers
23k views

Ubuntu 12.10 - network manager not listing wireless networks

Just recently reinstalled Ubuntu 12.10 on my laptop (dual-boot with Windows 7). Had no problem accessing my home wireless network until today. All of a sudden, the network manager doesn't seem to be ...
5
votes
4answers
4k views

Ubuntu Software Center not recognising my network connection

I have installed Oneiric Beta on my laptop. As my Mobile Broadband refused to connect to Internet through network manager I'm now using wvdial to connect. Hence the network manager shows I'm not ...
5
votes
1answer
20k views

Change MAC address via Terminal [duplicate]

Is there any way to change MAC address via Terminal ?And of course any command for this job ?
5
votes
5answers
48k views

How to setup a static IP for network-manager in Virtual Box on Ubuntu Server

Hi there is anyone familiar with the non-gui version of ubuntus network Manager? I'd like to set up a static IP with it in virtualbox without touching the file /etc/network/interfaces. IP: 192.168....
5
votes
1answer
26k views

How to connect to WiFi from Lubuntu?

After add the Manage Networks icon into the panel, I can see my Wi-Fi network on the list. So I click on the SSID and it prompt for a password. I enter the right or wrong password but nothing happens. ...
5
votes
2answers
20k views

What do I put in the “Search Domains” field?

This one has always confused me. What do I put in this field?
5
votes
1answer
7k views

How can I force Network Manager to associate to a specific access point?

in my network environment I have two access points with the same ESSID; one of them is near my desktop and another is in another building. I get signal from both of them, and the connection often ...
5
votes
8answers
24k views

12.04 wired network doesn't work RTL8111/8168B

its a fresh 12.04 install 64bits. wifi works fine, wired stays off with cable connected and network-manager shows as if cable is disconnected. Turning off networking lights up my network-cards leds, ...
5
votes
2answers
9k views

problem im my key 3G “Connection activation failed” in 14.04

I have a little problem in my Trusty. To beginn with, my mobile broadband works 100% but there is another connection that appears to be simultaneous. /605020701514404/context1 ...
5
votes
1answer
1k views

PPTP VPN connects via NM but goes down during SSH connection

I setup a VPN PPTP connection via network manager and it connects correctly (I see the lock near the notification icon and the message "Vpn connection has been successfully...") As soon as I try to ...
5
votes
2answers
3k views

Enforce VPN connection to access the Internet

I'm using a VPN when I'm online at an unencrypted wifi. Unfortunately, at my university the connection is quite unstable and at every reconnect the VPN connection is terminated and I manually need to ...
5
votes
1answer
223 views

How do I set networking enabled by default?

When I log into my computer, networking is disabled. I always have to enable it so I can connect to the internet. Does anyone know how to set it to enabled by default?
5
votes
2answers
18k 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. ...
5
votes
2answers
2k views

How to prevent ubuntu from connecting to wifi hotspots automatically

Note: this question is distinct from "How to disable automatically connecting to WiFi?", as I do not wish to disable automatic WiFi connection in general. Problem: The Ubuntu WiFi module connects ...
5
votes
2answers
2k views

How to connect to windows pptp vpn?

The VPN Server gave me an exe file - connection manager - to connect to the server. Instead, I created a pptp vpn connection under nm-applet, entering only Host, Username & password. Later I ...
5
votes
2answers
4k views

DSL connection problem after installing Ubuntu 15.04

I have just installed Ubuntu 15.04. I tried to connect with my broadband DSL connection. When I entered the cable it was showing that it could recognize the cable. Then from edit connection I added a ...
5
votes
1answer
33k views

Cannot connect to wireless in Lubuntu 14.04

I have tried all afternoon to fix this, but now I give up. I am trying to set up an old XP PC with Lubuntu 14.04. It works perfectly fine, except for the wireless connection. Connecting with ethernet ...
5
votes
2answers
238 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 ...
5
votes
2answers
5k 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 ...
5
votes
1answer
3k views

How to connect to a L2TP VPN given some info from a sysadmin

I have been given some details of a VPN I am meant to connect to, and can't for the life of me get it to work under Kubuntu. The info I have been given is (fake values substituted where appropriate ...
5
votes
1answer
2k views

udev rules seem ignored; can not prevent modem manager from grabbing device

I am trying to prevent modem manager from running when I plug my cell phone into a USB port. I have tried to add a custom rule with udev, but my custom rules seem ignored. I created a file /etc/udev/...
5
votes
1answer
1k views

selectively route traffic in split-VPN 12.04

I often work remotely. I use the Network Manager to set up my VPN connection, which has worked pretty well. The VPN I have set up currently using the Password with Certificates (TLS) type. What I ...
5
votes
1answer
639 views

How do I disable network connection at prelogin?

--- This question is related to Ubuntu 12.10, since previous versions did not connect to network before login --- I had a bad boot today: the Ubuntu screen was blocked at startup time, after a green [...
5
votes
3answers
3k 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 ...
5
votes
2answers
6k views

Ethernet connection not working in ubuntu 14.04.1 LTS

I am facing weird issue with my ethernet connection. Its showing connected but when I hit something in the browser it won't though its connecting via wifi to other networks but not with the wired ...
5
votes
1answer
781 views

Network Manager icon disapear 14.04

After installing hostapd (Ubuntu 14.04) Network Manager icon disappears. Even after removing hostapd, still Network Manager icon is not appearing. During boot up: Waiting up to 60 seconds to ...
5
votes
2answers
3k views

Losing wired connection after upgrading to 13.10

Nothing much to say. After upgrading from 13.04, Ubuntu/Kubuntu holds a wired connection for a few seconds and then drops it. I can untick "Enable networking" on the Network Management tray icon and ...
5
votes
1answer
512 views

NetworkManager run script before connection based on SSID

Is it possible to have NetworkManager run a script before it connects to a wifi network and pass the SSID of the network to the script (or just execute a script based on SSID)? I'm switching back from ...
5
votes
1answer
322 views

Network Manager Fails to Maintain A Long-Term Connection on 802.11x Networks

I'm good with bugs, but I can't remain connected to an 802.11x Enterprise grade network. It uses Tunneled TLS authentication, with PAP inner authentication. It will connect, but then go and randomly ...
5
votes
2answers
1k views

Where should a non-administrative user save a CA certificate?

I have a CA certificate that I use to connect to a WPA2 Enterprise wireless network. Where within my home folder should I store the .crt file? I don't see anything in the Filesystem Hierarchy ...
5
votes
1answer
5k views

How can I create a hidden ad-hoc network?

My laptop is hooked up to a wired connection and that is the only way to access the network. So I setup a wireless access point on my laptop via network manager so my phone could connect to it (...
5
votes
1answer
674 views

Cannot change Wifi settings, stuck on WEP Security

I just started using Linux and as such do not have a proper knowledge of how to use the command line and all of those sorts of things, so please try to bear with me :). I have been able to connect to ...
5
votes
0answers
304 views

Setting priority of wireless networks in KDE Network Manager [duplicate]

Is there a way to determine the priority of wireless networks? The KDE networkmanager applet works fine, but it often connects to the WRONG wireless network by default when multiple networks are ...
5
votes
1answer
281 views

How can I make new wireless connections use a VPN by default?

I check this box every time I connect to a new wireless network: How can I make it enabled by default for new connections?
5
votes
0answers
1k views

How can I get NetworkManager to autoconnect to a Openconnect VPN via nmcli without prompting for a user and password

I am trying to set up a script driven VPN connection with nmcli on Lubuntu 12.10 using Openconnect and NetworkManager and I cannot seem to get it to connect either with the saved credentials or via ...
5
votes
1answer
139 views

How to tell network manager not to show wireless AP with poor quality

Is it possible to tell Network Manager not to show wireless access points that have very poor quality or are below a specific quality level. If not, an alternative that can limit the amount of AP ...
4
votes
4answers
410 views

Restart network with a command without need to provide password

The wireless network on my dell laptop goes away many a times when resuming from 'suspend'. Once I run 'sudo service network-manager restart', it starts to work. I was wondering if there was a way ...
4
votes
2answers
10k 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 ...
4
votes
3answers
7k views

Wirless ap-hotspot ubuntu 13.10

I have Ubuntu 13.10 and I created a wireless hot spot using the network setting option and also tried to setup using AP-hotspot. The problem is the one setup using network setting is not showing in ...