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

learn more… | top users | synonyms (1)

5
votes
5answers
45k 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: ...
5
votes
1answer
25k 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
1answer
18k 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
2answers
19k 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
6k 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
5answers
2k views

No more AnyConnect compatible vpn transport in Ubuntu 16.04?

Following my previous experiences with setting up Cisco AnyConnect VPN connections on Ubuntu 14.04 I tried the same approach here by installing packages: sudo apt-get install -y ...
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
22k views

Which application can I use for a network traffic monitor

Is there a way to see ALL the traffic? from which process with the REAL NAME is accessing to which IP with the REAL NAME at which bitrate? When I say real name I am referring something like this: ...
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
1answer
32k 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
231 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
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
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 ...
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
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
637 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
2answers
5k 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
641 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
501 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
317 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
0answers
193 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 ...
5
votes
1answer
619 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
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
9answers
36k 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 ...
4
votes
4answers
348 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
9k 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
315 views

Network (LAN) stops working randomly - reconnecting helps

I randomly have the problem on my 15.04 that the Internet connection via LAN stops working. This often happens directly after boot, but sometimes also just in the middle of a surfing session without ...
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 ...
4
votes
4answers
8k views

In Wired Connection settings save option is getting grayed out

Each time I switch to manual configuration, of wired connection in Ubuntu 12.10, the save button gets grayed out. As soon as I start setting it in Manually, it gets grayed out.Please help ! One ...
4
votes
1answer
9k views

OpenVPN is installed but it is not an avaliable option in the network manager

I have installed and used openVPN once before in a previous install of Ubuntu 12.04. I have since reformatted, and now after reinstalling openVPN it will not show up in the network manager. I am ...
4
votes
3answers
355 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. ...
4
votes
2answers
813 views

Will python scripts be run when added to /etc/network/if-up.d?

To get my system connected to internet, I have to manually login via the web page of my ISP. This is not very convenient. I found a python script online which automates this. it takes the ...
4
votes
2answers
2k views

Is there a way to create a shortcut to Proxy preferences in the Launcher?

In my university Campus I need to connect to Internet through a proxy. As I am using a notebook, in Ubuntu 11.04 I set a shortcut in the Launcher to the proxy settings in order to "easily" change the ...
4
votes
1answer
878 views

How can I use NetworkManager in GDM?

I need to connect to a specific wireless network before being able to successfully connect to my user account, since it needs access to a secured LDAP server. The same applies when I am outside of ...
4
votes
1answer
1k views

Network manager issue: The system network services are not compatible with this version [duplicate]

I have seen relevant solutions in askubuntu and other sites but none worked for me so far. I reinstalled network manager, modem manager, tried to upgrade them and manually install everything, also ...
4
votes
5answers
11k views

vpnc has stopped working with Cisco VPN gateway Ubuntu 13.04

Recently I've been unable to connect to a Cisco VPN gateway using vpnc even though I had been using vpnc to connect to this same gateway for about a year leading up to this breakage... I'm using the ...
4
votes
2answers
6k views

Disable Ethernet permanently to speed up boot time

I do not use the wired Ethernet Card. It seems to me that, Ubuntu is always trying in boot time to check the network via eth0, Which consumes some times and I guess this may slow down the boot process ...
4
votes
3answers
18k views

nm-applet missing after installing Ubuntu under virtualbox

After installing Ubuntu under VirtualBox the nm-applet is missing. I already tried to restart the applet but nothing has happened. Any suggestions? $ kill nm-applet bash: kill: nm-applet: ...