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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.

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Local DNS server

I am currently trying to set up an ad-hoc network for passing notes while I'm in class. The idea is to run a chat server on my laptop (I'm using prosody, that's up and running), so we can share ...
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1answer
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Remove network interface permanently

I'm trying to remove a network interface permanently. For some reason, ifconfig lists eth0 and eth1, although the latter RX/TX metrics remain at zero. I suspect that extra eth1 entry might be causing ...
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3answers
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Use dnsmasq as system DNS service

Following How to disable systemd-resolved and resolve DNS with dnsmasq? However, I followed it as much as I could, but still wasn't able to properly replace systemd-resolved with dnsmasq -- If i put ...
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1answer
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How do I add interface aliases using Network Manager GUI?

I have seen numerous tutorials for creating network interface aliases (for assigning multiple IPv4 addresses to a single interface), but I seem unable to find one for using the Network Manager GUI. ...
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1answer
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Intel Centrino Wireless-N 2230 won't connect, keeps asking for password [duplicate]

I'm on Kubuntu 16.04, all packages up to date. Yesterday, out of the blue (not after a reboot or anything), my WiFi stopped working. The hardware is still working, I am able to connect over Ethernet, ...
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1answer
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14.04--Routine update killed network-manager, unable to connect to any networks [duplicate]

I am running 14.04 LTS on a Dell XPS 13 9343. Today I did a routine update through Software Updater and restarted when it prompted me. When I logged back in I had no internet connection and no icon ...
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0answers
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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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1answer
655 views

Internet worked during install, but not after

I installed Ubuntu 13.10 beta 2 on my ASUS G55V and during install the internet (wireless) connected perfectly fine and downloaded updates. After install, it was connected for a couple seconds until ...
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5answers
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How to successfully restart a network without reboot over SSH?

In Ubuntu 14.04 neither sudo service networking restart nor sudo /etc/init.d/networking restart do anything any more. They also both exit with code 1. Something has obviously changed (or half changed) ...
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2answers
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restart network interface after editing /etc/network/interfaces [duplicate]

restart the network service: service networking restart When I give the above command I get something like stop: Unknown instance: networking stop/waiting I would like to know if the network ...
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5answers
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Cannot Import VPN connection

Since 12.04 I cannot connect to my VPN. my ovpn file is the following http://email.uoa.gr/help/download/vpn/edunet.ovpn When I try to import the VPN file i get the following error The file '...
26
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8answers
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Unable to connect to VPN using gnome-network-manager

I'm using Ubuntu 14.04. I originally wanted auto-connect VPN upon login, but after much trial and error and connection issues it looks like my network manager is corrupt. When I try to connect Wifi ...
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9answers
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How to automatically connect to VPN with Network-Manager

I do have a working VPN connection. Now I want this VPN connection to automatically activate when I'm in a certain wireless network. Is there a non-intrusive graphical way using network-manager-applet?...
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7answers
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How can I troubleshoot “VPN Connection Failed”?

Is there anyway to get an error log for a failed VPN connection attempt? All I get is this notification and I have no idea where to go from there.
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2answers
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How do I configure the search domain correctly?

I recently installed Ubuntu GNOME on my work computer, replacing Windows 7, because I will be doing a lot of Linux development work. Many of our configuration and development scripts use shortened ...
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4answers
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18.04: Bionic Beaver: enforce static /etc/resolv.conf

Previously, on Ubuntu 16.04, I felt betrayed when an Ubuntu update installed dnsmasq package, configured it, and gave it precedence over my own super-stable, ultra-fast, and own-configured BIND DNS ...
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2answers
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Why do none of my local servers resolve?

When I try to ping or browse using a web browser certain domains names that we host on our local network, it does not work. Yet, dig and nslookup correctly return their details. What do I need to do ...
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3answers
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Ubuntu 16.04 LTS Network Manager cannot add VPN - greyed out

I'm trying to add a VPN to my network, but the option is greyed out. Screenshot of the greyed-out indicator I installed network-manager-openvpn but still no luck. Editing my connection does not show ...
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2answers
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How migrate my keyring (containing ssh passprases, nautilus remote filesystem, pgp passwords) and network manager connections?

I changed the disk on my laptop and installed Ubuntu on the new disk. Old disk had 12.04 upgraded to 12.10 on it. Now I want to copy my old keyring with WiFi passwords, ftp passwords for nautilus and ...
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3answers
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DNS server address no longer stored in resolv.conf; where is it now?

I sometimes switch DNS servers, using the NetworkManager indicator in the taskbar; this worked fine with previous versions, and actually works fine with 12.04, too, except for one thing: I use Conky ...
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7answers
63k views

Editing network interfaces without system rebooting

I'd like to make some changes to my networking configuration by editing my /etc/network/interfaces file. What's the cleanest way to make changes to this file and have them take effect, without having ...
14
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2answers
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Wifi networks device not ready

Im unable to access network indicator because "Device not ready" issue, this problem happened after reverting back to NetworkManager from wicd network manager thanks to this method. The odd things is,...
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6answers
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NM-applet's VPN menu disappears

I spend my days hopping between VPN connections in Ubuntu 10.10 and this is becoming severely annoying. What happens is that every once in a while - typically several times a day - when I click on the ...
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1answer
8k views

Wired network - device not managed after upgrade to 17.04 [duplicate]

After upgrade to 17.04 I can't connect to a wired ethernet via network manager. The indicator-network says: Ethernet Network - device not managed. System Settings > Network > Wired says: Wired ...
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4answers
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Where are the NetworkManager logs?

A previous poster on the regular forums ( http://ubuntuforums.org/showthread.php?t=843991 ) said /var/log/daemon.log, but I don't seem to have such a file. Do I need to enable logging?
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6answers
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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 ...
9
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1answer
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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 ...
25
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2answers
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Where to add the Pre-Shared Key for the Server Authentication with Network Manager for L2TP/IPSEC?

Previously, I was trying to figure out how to install the L2TP/IPSEC manager code. I guess Ubuntu/Canonical switched away from OpenSwan to StrongSwan, but didn't really announce it. So that was ...
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3answers
108k views

how to display network manager icon on xfce panel

I install xfce in U Trusty,but the network manager icon disappear.when I run sudo nm-applet,the icon shows.Not only the network manager,but also power manager and fcitx icon disappear,fcitx is a ...
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2answers
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VPN L2TP/IPSec client on Ubuntu 16.04 VPN service failed to start

On Ubuntu 16.04, I've already followed a couple of tutorials to rebuild network-manager, also installed via apt-get install network-manager-l2tp network-manager-l2tp-gnome. It was working until ...
10
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3answers
14k views

Can't connect to WPA2 Enterprise PEAP network

I know there are about a dozen other questions like this, but so far none have helped me. My school uses a WPA2 Enterprise PEAP/MSCHAPv2 network without a cert(which I determined from a windows ...
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6answers
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block outside dns, fix dns leak ubuntu 18.04

Using dns leak test while under my VPN I discovered that it was leaking. I've setup my VPN via NetworkManager and it works properly except for the leak. First, i've tried to add block-outside-vpn to ...
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2answers
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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 ...
4
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2answers
2k views

Wifi hotspot to connect to Android using Broadcom 43xx

I'm running Ubuntu 13.10 64b on a Dell Inspiron N5010. My wireless device (found using lspci) is Broadcom Corporation BCM4313 802.11bgn Wireless Network Adapter (rev 01). I bought a new android ...
8
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3answers
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“The system network services are not compatible with this version” - ubuntu 14.04 [duplicate]

"The system network services are not compatible with this version" - ubuntu 14.04... I didn't even update anything thing.I have everything in network manager ....and I'm unable to connect to any ...
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2answers
9k views

How can non-admin users connect to Wi-Fi networks?

I'm trying to configure PolicyKit so that other users are allowed to configure Wi-Fi connections, but my changes don't seem to bring any results at all. When a non-admin user tries to connect to a ...
6
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2answers
11k views

Network Manager, create multiple lan connection configuration for the same wired card

How can I create in Network Manager, multiple wired lan connection configuration for the same wired card? I use to move between a lot of offices where I need to change my network config (IP, Mask, ecc)...
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3answers
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What are the possible commands to reset a wifi connection?

I am affected by the bug that occasionally my wifi connection is broken on resume from suspend. The problem manifests as follows: Screenshot: What are possible commands I can try to run from the ...
5
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1answer
9k 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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7answers
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What are the alternatives to Network Manager for wireless?

I was wondering if there are any GUI alternatives to the Network Manager. It seems, I always run into problems with it (unstable connections, wrong icon shown, wrong notifications, etc.).
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1answer
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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. ...
4
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1answer
2k views

Ubuntu GNOME 16.10/17.04 issue with creating hot-spot using Network Manager

I've experienced the following problem on Ubuntu GNOME 16.10 and 17.04. Using Gnome-Network-Manager (I don't want to use other tools) I have issues when I create a wifi hot-spot to allow my Android ...
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2answers
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What is the correct syntax for /etc/network/interfaces?

How do I configure /etc/network/interfaces for my wifi? When I cant to set a static IP for my ethernet card I use the following configuration: # The loopback network interface auto lo iface lo inet ...
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4answers
3k views

Network issues on 16.04 with RTL8821AE

I've recently purchased an Asus 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 up ...
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1answer
1k views

Network devices unmanaged after resume from hibernation in Ubuntu Gnome 13.10

After confirmation that hibernation/resume worked well with sudo pm-hibernate, I enabled hibernatation on /etc/polkit-1/localauthority/50-local.d/com.ubuntu.enable-hibernate.pkla to get the option in ...
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8answers
35k views

gray button for saving “editing VPN connection” in Ubuntu 12.04

I have installed 12.04 and setting up the OpenVPN via network manager. the network-manager-openvpn-gnome is installed, and I can open "configure VPN..." and see "Add VPN", however I can not save my ...
10
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2answers
16k views

How can I add the Network Manager Applet to the panel after removing?

In rearranging the panel, I removed the Network Manager Applet. I tried to add it back, but it doesn't show up in the list (Add To Panel). I can start it up and see it as a running process (nm-applet),...
10
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1answer
9k views

How do I connect to L2TP over IPsec using Network Manager?

I am trying to connect to a L2TP over IPsec VPN I installed network-manager-l2tp and this repository : ppa:nm-l2tp/network-manager-l2tp and when I'm trying to add the connection from Network ...
8
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3answers
10k views

How to share wired network connection in 18.04

I had been sharing my network connection through my computer (previously windows 10) with two other computers using usb-ethernet adaptors, and I can't get it to work now that my host computer is ...
7
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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 ...