Questions tagged [network-manager]

NetworkManager is the default networking suite for Ubuntu. It is a set of co-operative tools developed by GNOME. The NetworkManager service can be controlled using the nmcli tool (Network Manager Command Line Interface) as well as by its GUI.

Filter by
Sorted by
Tagged with
7
votes
2answers
19k views

How to temporarily turn off NetworkManager from the command-line?

The network interface should not make a request for an IP over DHCP. So, what is the command to turn off NetworkManager in Ubuntu? Update: I am writing a script in which the interfaces receive ...
7
votes
9answers
28k views

nm-applet does not work Ubuntu 14.04

The network manager nm-applet has disappeared from the unity panel of my Ubuntu 14.04. When I try to run it from the commas line, I receive an error: $ nm-applet nm-applet-Message: using fallback ...
7
votes
2answers
12k views

Failed to add/activate connection. (32) Insufficient privileges

I am doing a fresh install of a minimal Ubuntu system with MATE desktop environment. When I click on NetworkManager's icon and then a wireless network to connect to, I receive a dialog box that says: ...
6
votes
2answers
27k 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: ...
6
votes
1answer
20k views

How to set up Internet connection sharing?

I have installed Ubuntu 12.04 LTS. Now, I want Internet connection sharing between the two LAN cards. How can I accomplish this?
6
votes
5answers
15k 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 ...
5
votes
1answer
8k views

ubuntu 18.04, nm(Network Manager) is not able to manage network devices [duplicate]

I am playing around with networking component of latest Ubuntu. I faced the above issue when I tried to manage networking devices with NM. The command line output is root@sankar:~# nmcli d s DEVICE ...
5
votes
1answer
7k views

Can’t get network applet back in Ubuntu MATE 18.04

After upgrading from Ubuntu MATE 16.04 to 18.04, I can no longer get the network applet in the notification area. This answer shows how I solved this in 15.04, and this solution survived the upgrades ...
3
votes
2answers
14k views

override dns nameserver

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. ...
2
votes
1answer
3k views

PPTP VPN missing in “connection type dialogue” in Ubuntu 16.04

There is no PPTP VPN in network manager connection type dialogue. Packages pptp-linux network-manager-pptp are installed.
2
votes
1answer
1k views

IPv4 is not getting configured on Ubuntu in a dualstack (IPv4/IPv6) network

I set up a router with IPv6 capabilities (I replaced the firmware with OpenWRT) as my main router and successfully configured DHCP including static leases. Almost everything works fine, all IPv6 ...
2
votes
1answer
2k views

Unable to activate the ethernet connection after upgrading to Ubuntu 18.04

I just upgraded from Ubuntu 17.10 to 18.04, and my wired network does not work (whereas my wifi connection works just fine). My interface seems correctly detected by the system: sudo lshw -C network ...
2
votes
5answers
11k views

Wireless issues on 16.04 with RTL8821AE, ASUS E202S

I've recently purchased an Asus E202S desktop computer and tried to install Ubuntu 16.04 on it. I had no problems to install or make a dualboot with Windows 10, but the real problems started to show ...
2
votes
1answer
1k views

Why is the content of /run/resolvconf/interface/NetworkManager changed every time I reboot?

I have some issue with my dns configuration, so I googled and picked up a solution by 1) editing /run/resolvconf/interface/NetworkManager and 2) running sudo resolvconf -u. This helped a little bit,...
1
vote
1answer
2k views

How to randomly change the MAC on each boot in 16.04

On previous Ubuntus this was easily achieved with macchanger, but it seems not to work on 16.04. The MAC just seems to reset to the default as soon as a connection to the Internet is reestablished. ...
1
vote
2answers
8k views

How do I establish a mobile broadband connection from the command line?

I run Ubuntu 12.04 on an old iMac G3. Since the GUI is too resource heavy I have disabled the display manager (lightdm) and am currently running the computer in console mode. How do I establish a ...
1
vote
1answer
3k views

Device not managed after upgrade to ubuntu 16

Hi I recently upgraded to ubuntu 16 but I am now getting this: which I don't understand because I only have two network devices and they are displayed below as working so what are the two unmanaged ...
1
vote
1answer
9k views

How do I share a wireless internet connection via Ethernet with an Xbox 360?

I am trying to share my wireless connection with my XBox 360 (which does not have a wireless adapter) via ethernet cable. I thought there once was a sharing option in Network Manager (it has been some ...
1
vote
3answers
8k views

Setting a static IP address.

I'm trying to set a static IP address in 12.10. When I run ifconfig, I find that both lo and wlan0 have downloaded packets. In my /etc/network/interfaces file it says auto lo. Which should I be ...
1
vote
2answers
8k views

Network disabled - device not ready 16.04

Laptop: Acer V 13 no preinstalled OS. Freshly installed ubuntu 16.04. At the top right corner, when I click the network manager, no wifi networks are found, and there's a grayed out device not ready ...
9
votes
3answers
17k views

Where does network-manager store WPA keys when “Available to All Users” is ticked?

When you connect to a new SSID network via the network manager applet, the key for that network is stored in gnome-keyring under the "login" keychain. But when you then change (edit) that network to ...
9
votes
2answers
3k views

Accidentally clicked “don't show this message again” - how to reactivate?

When Gnome 3.2 told me, there are wireless networks available, I accidentally clicked "don't show this message again". How can I reactivate this message?
7
votes
1answer
8k views

Connect to WiFi with a hidden SSID on Ubuntu 18.04

Is it possible to connect to Wi-Fi with a hidden SSID using the GNOME DE that now comes with Ubuntu 18.04? I've done the usual googles and searches and not been able to find an answer. If not what ...
6
votes
2answers
8k views

set default wifi network

How do I change the default wifi network that Ubuntu connects to on startup? There is an unsecured public wifi network in my range, as well as my own home WPA secured wifi that I want to use by ...
6
votes
2answers
2k 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 ...
6
votes
1answer
1k views

How to stop wifi disconnection when eth0 link becomes ready?

I have Ubuntu 10.10 installed on my laptop and connected via wireless lan to my home network. Now I want to play around with my old wifi equipment which I need to configure first. But every time I ...
5
votes
2answers
2k views

Is NetworkManager sending HTTP requests to googleusercontent.com?

I am using Ubuntu 17.10 on my desktop PC, I've been monitoring network traffic with Etherape. I noticed HTTP requests from my PC(casa hostname) to googleusercontent.com (104.198.143.177). So I used ...
4
votes
3answers
5k views

cannot connect with huawei e173 after upgrade to 12.10 using network manager

Since upgrade from 12.04 to 12.10 I can't connect to internet using mobile broadband modem Huawei e173. It worked earlier without problems and now it seems to be properly recognized (at least its ...
3
votes
2answers
2k views

Issue with Ethernet dropping Connection Irregularly Ubuntu-Budgie

I have been running into intermittent ethernet connection issues using a custom build, Ubuntu-Budgie 64, system. I have gone through so many of the other conversations about applying fixes via ...
3
votes
1answer
1k views

Old DNS Settings Keeps Coming Back

Ubuntu 16.04 After moving office I set the DNS settings via Network GUI (see here) to my new values. Internet connection is there, but name resolution seems very slow. My interpretation is, it tries ...
3
votes
1answer
5k views

Why has wireless disappeared after my 12.10 upgrade?

I just upgraded to 12.10 on my Lenovo B570 laptop. NetworkManager isn't displaying a submenu for wireless connections at all, even though I downloaded the update through the wireless connection. This ...
2
votes
1answer
5k views

how do I enable firewall zones for NetworkManager

I am trying to use the default network manager for ubuntu 13.10 to connect to networks. Despite any config changes for example, enabling UFW, does not allow for the changing of this profile scheme. It ...
2
votes
1answer
4k views

Internet disconnects by itself and never reconnects unless system restarted

I am using Ubuntu 13.10 and a wireless internet from a modem "Reliance Netconnect" for the internet. I've installed Ubuntu two days back along with my Windows system. So here's a detailed summary of ...
2
votes
1answer
4k views

Setting DNS via NetworkManager/nm-applet doesn't update the /etc/resolv.conf (17.10)

My /etc/resolv.conf shows # Generated by NetworkManager search [value provided by local network] nameserver 127.0.1.1 The nameserver value is not the one provided by the local network (checked using ...
2
votes
0answers
622 views

network profiles in ubuntu 12.04

I use a wired connection at home and in college. But at home i set my ipV4 settings to automatic DHCP whereas in college I need to manually enter the ip address, subnet and gateway and i also need to ...
2
votes
3answers
3k views

Disabling Network-Manager-Gnome wireless scanning when connected

How do I prevent the default Ubuntu Network Manager (network-manager) from scanning when connected on my Wi-Fi network?
2
votes
1answer
144 views

Wireless device Intel Corporation Device 9df0 (rev 30) DISABLED on 18.04.3 [duplicate]

I'm new to Ubuntu. I will try to provide as much detail as possible in this question, but if I have left anything out, please let me know in the comments and I will provide it. If this question would ...
2
votes
1answer
403 views

Can't connect to wired network with NetworkManager or DHCPCD

The question is pretty self-explanatory. I can't seem to connect to a wired network, only wifi. Under the network manager menu, Ethernet is grayed out, and says disconnected underneath (also grayed ...
1
vote
1answer
3k views

Enabling serial network devices with ModemManager

When enabling ModemManager, I don't see my serial-based SIM808 FONA in the list of available modems even though I'm able to get it working with pppd. If I start ModemManager with service stop ...
1
vote
2answers
2k views

Huawei EC156 modem no longer detected after disconnected

I have just installed Ubuntu 13.04 Raring. Now I'm facing a problem with my Huawei EC156 modem. At first it will work properly but it will disapear from network-manager if the modem is disconnected ...
1
vote
1answer
2k views

Ubuntu 14.04 network manager crashes every time after login

I am using 64 bit Ubuntu gnome 14.04 LTS. Earlier, Ubuntu 14.04 was running smoothly on my laptop. But suddenly, since yesterday Ubuntu network manager started crashing every time after login or ...
1
vote
1answer
1k views

WiFi interface down on boot. Need to restart network manager

I am using a TL-WN823N WiFi USB dongle in Ubuntu 16.04. After following this and this answer (should have sticked to just one, I know, but it didn't seem to work) I managed to get it working, but I ...
1
vote
2answers
4k views

Ubuntu server 16.04 to 2 gateway at same time

I cant find a working guide to make work the following scenario: Need to configure a server to be capable of working with 2 routers at same time. Its a virtual machine. Network 1 192.168.1.0/24 ...
1
vote
1answer
2k views

New HP Spectre x360 Wifi Not Working using Intel 8265 Card

I installed Ubuntu 16.04 on my HP laptop today, but I'm unable to connect to any networks. Network manager shows an option to Enable Networking but not to Enable Wireless, and says "No network devices ...
1
vote
1answer
324 views

Network Manager 0.8.999 and Ubuntu One

Is there a way to make Ubuntu One understand that I have a network connection after upgrading to network-manager-0.8.999? FYI: Update manager also thinks that I have no internet-connection, but ...
1
vote
1answer
3k views

How to disable the WiFi using network-manager permanently?

How to disable the wifi on boot? I'm using network-manager to manage the wifi connection and when I disable this, setting is temporary to the current session. Exists therefore a method to make ...
0
votes
1answer
605 views

Make DNS follow configuration from Network Manager in 19.04

I've installed 19.04 and removed dsnmasq, disabled systemd-resolve using sudo systemctl disable systemd-resolved.service sudo systemctl stop systemd-resolved and want to use Network Manager to set ...
0
votes
1answer
3k views

How can I force a USB modem to only connect via EDGE and not 3G?

How do I get Network-admin to restrict connection to GSM (Edge) instead of flipping between 3G and Edge and lose connection. Usually it works out-of-the box, but at my current location there are a lot ...
0
votes
2answers
1k views

How to re-compile NM0.9 with enabled wimax?

I found that the new Ubuntu comes with the Network Manager 0.9, but without the enabled wimax support. Please, give some advices how to re-compile it with --enable-wimax features. Thank you.
0
votes
1answer
2k views

NetworkManager not updating /var/run/networkmanager/resolv.conf

My NetworkManager is not writing to /var/run/networkmanager/resolv.conf and NetworkManager not populating resolv.conf is not the answer to my situation, because I don't use resolvconf. More details ...