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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Ubuntu GNOME 17.04: wi-fi not working -- mac address keeps changing?
My Panda USB wi-fi adapter works just fine on 16.10, but when I try to connect to my wi-fi router in 17.04, GNOME network manager reports "Connection failed." I did some tinkering, and noticed that my ...
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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 ...
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4
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What does NetworkManager-wait-online.service do?
NetworkManager-wait-online.service fails at boot and it delays my startup
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What is the proper way to change the DNS IP?
I suspect that the name server provided by my ADSL modem/router is buggy. Whenever I browse to a website for the first time in ubuntu, resolving the domain name takes at least 15 seconds.
To work ...
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Ethernet device not managed
I am using Ubuntu 16.10 and recently I have not been able to connect to internet using Ethernet. The network manager shows device not managed.
The WiFi network is working fine.
I've tried the ...
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How do I change / spoof my MAC address and easily switch between multiple ones?
My router can do port-forwarding based on MAC addresses. That is, a specific MAC will get a specific IP, for which I can configure a set of ports to be forwarded. In order to easily change that set of ...
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network manager says "device not managed"
I used to be able to share my network connection by editing the Auto Eth0 to share with other computers in the Ipv4 section and now I upgraded my laptop to 11.10 .
Now are there no wired connections ...
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How to connect and disconnect to a network manually in terminal?
Since the network manager is troubling me so much I want to replace it (possibly wicd orNM from ppa:volanin).
I do not know how to connect and disconnect to the network through the terminal without ...
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7
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How do I fix DNS resolving which doesn't work after upgrading to Ubuntu 13.10 (Saucy)
After upgrade to 13.10 my DNS resolving fails. It seems the DNS servers which I get by DHCP (LAN) are not used.
I could temporary solve the problem by adding nameserver 8.8.8.8 to /etc/resolv.conf. ...
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3
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How to decrease the boot time
I have been checking some systemd-analyze outputs and I actually don't have a crucial problem with my boot time but just wondering whether I can decrease it further. I'd like to mention that I'm using ...
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How to connect to WiFi from the command line?
Other posts seems to be addressing more complicated network connection issues from the command line.
The Unity panel Network indicator/button doesn't respond too well sometimes - it keeps trying to ...
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Network manager forgets wireless password after sleeping or powering off
Every time I restore my computer from sleep or turn it on a window pops up asking for my wireless password. Once I enter it it connects successfully, but this happens every time. I'm using Ubuntu 11....
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8
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Create WiFi hotspot on ubuntu
Although many questions have already been asked regarding WiFi hotspot, I didn't get any of the solutions working for me.
I connect to the Internet using a 3G Dongle of Huawei 3772 (Vodafone). The ...
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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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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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7
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Ubuntu 18.04: switch back to /etc/network/interfaces
Starting sometime around Ubuntu 18.04, the Ubuntu devs stopped using the classic /etc/init.d/networking and /etc/network/interfaces method of configuring the network and switched to some thing called ...
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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 ...
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How to manage available wireless network priority?
I'd like to move up and down available wireless access points, setting priorities as we can do in Microsoft Windows. I can't remember to have ever succeeded in this since using network-manager. Maybe ...
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How do I set a static IP in Ubuntu?
I am a new with Linux, having years experience with Windows servers/desktops and am having issues setting a static IP. I am using a method used for previous versions of Ubuntu, which doesn't seem to ...
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How do I disable network manager permanently?
I'm using Ubuntu 18.04.1 LTS. I want to disable network manager on an Ubuntu machine, because (1) I don't need it, (2) I prefer having hardcoded configuration, and (3) network manager regularly causes ...
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NetworkManager not populating resolv.conf
I recently upgraded from 11.10 to 12.04, and now NetworkManager isn't populating /etc/resolv.conf when connecting to wireless networks, when it had been working perfectly in 11.10. I'm not seeing any ...
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Network Manager Icon disappeared 14.04
So a couple of weeks ago my network manager icon stopped appearing; I still get automatically connected to my saved networks and the internet works fine, etc. If I go into System Settings and look at ...
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How do I setup OpenVPN so I can securely use the internet from an unsecured hotspot?
Goal: I want to be able to securely use the internet via my home PC while my notebook is connected to an open hotspot/access point.
I do know that I can use a SSH tunnel/SOCKS proxy, but I don't want ...
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22.04, wifi keeps disconnecting for a few seconds frequently
My wifi connection keeps disconnecting frequently (say once in a couple of minutes) sometimes it gets back and sometimes I need to activate and deactivate aeroplane mode.
I tried to change my network ...
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5
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How To Debug and Fix PPTP/VPN Client Connection
I am asking a question, which has two sub-questions. Those are how can I get VPN to work on Ubuntu 12.04, either by getting the built-in pptp VPN to work or through manual configuration. Microsoft ...
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Ubuntu 18.04 - Ethernet disconnected after suspend
Ethernet does not resume after suspend.
sudo service network-manager restart
does not work. Only restart solves problem.
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6
answers
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How to disable notification from network-manager
Can i disable all libnotify related notification from Network Manager ? 'Edit Connection' dialog doesn't help out
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3
answers
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DNS not working after upgrade 17.04 to 17.10
I've just upgraded my laptop from Xubuntu 17.04 to 17.10.
After the final reboot, DNS has stopped working. This is obviously a problem! I can ping known IP addresses; just no DNS resolution.
I've not ...
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votes
4
answers
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How do I re-install Network Manager without an internet connection?
I have only wireless connection, one computer with a connection and 4gb usb .
My second computer has no network connection, because I have deleted it from the software center. However, now I want to ...
user20296
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votes
3
answers
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Ethernet connection Issues on Ubuntu 16.04
Let me preface this by saying that I've taken a look at the other ethernet & 16.04 issues on here and believe mine to be different.
I'm having issues connecting to the internet on a new ...
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answer
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Unreliable wireless connection with an Intel Centrino Advanced-N 6230
I know there are many questions on this site about wifi issues but I have searched and can't see to find an answer to mine. So here is the deal, a few weeks ago my house got a new router and since ...
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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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netplan vs NetworkManager on Ubuntu 18.04 and above
What is the concept of renderer in a netplan configuration file?
What practical difference does it make between choosing a networkd and a NetworkNamager renderer?
Can anyone (in the second case) ...
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votes
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answers
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How do I change Wi-Fi Hotspot settings in Ubuntu with GNOME 3?
How do I manage my hotspot connected devices or change the hotspot password? I can only see the Network Name, Security type and the Password but I can't seem to manage users or the network properties.
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Where to set proxy ignore list?
I upgraded to ubuntu 11.10 from 11.04, shocked to see few things...
My system is behind a proxy, so I did set a proxy setting. Being a web developer, I want to remove a lot of addresses that I type ...
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Is it possible to remove my default gateway from /etc/resolv.conf after successful VPN connection?
I have configured PPTP VPN connection on Ubuntu 16.04.3 LTS via NetworkManager (nm-pptp-ppp-plugin) and it works. My configuration:
VPN
Gateway
User name
Password
Advanced - set some options on PPTP ...
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votes
6
answers
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How can I completely remove NetworkManager?
I want to disable NetworkManager entirely, and have my eth0 and wifi connections unmanaged. My eth0 on my main linux box is unmanaged and I have no issues with it, I want to do the same to my other ...
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4
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Network manager indicator missing
I recently upgraded from 11.10 to 12.04. My first attempt failed, and I received an error stating that not all of the required packages were downloaded. Before (successfully) attempting again, I ...
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Make Network Manager restart after dropped connection?
Using Ubuntu 11.10 (Unity 3D) and a cable (DSL) internet connection with no router or modem.
If I disconnect my internet connection, I can just reconnect by clicking on the network manager icon and ...
user25656
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votes
1
answer
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16.04 LTS wifi connection lost randomly every 5 minutes [duplicate]
First I had this issue described here 16.04 LTS wifi connection issues but nobody was able to provide a valid answer.
Recently this wifi connection issue gets even worse. I would lose wifi connection ...
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How to Add dnsmasq and keep systemd-resolved (18.04 to 20.04)
I want to get fast dns resolution with dnsmasq and keep the default systemd-resolved.
Looking for an elegant way to do this
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No WiFi Adapter Found with fresh Ubuntu 20.04 install on MSI GE66 Laptop, and other strange behavior
I installed a fresh Ubuntu 20.04.2 image to my MSI GE66 laptop.
When I go to Settings > Wi-Fi it says "No Wi-Fi Adapter Found".
Additionally, there appears to be other strange glitchy ...
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Connect/disconnect from VPN from the command line
I have two VPNs setup on my Ubuntu machine, one using vpnc and one using PPTP. These were both setup using the GNOME network manager interface and work great. However on occasion I need to access this ...
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How to setup OpenVPN Client
I'm trying to setup OpenVPN using NetworkManager. The GUI seems buggy and unresponsive. Are there any other tools for setting up a VPN client?
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connect: Network is unreachable? - ping
When I attempt to ping google's dns or any outside the network I get
connect: Network is unreachable?
I can't update either which I put down to this
I am new to networking... And Ubuntu. But these ...
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Connect to network before user login
As a learning experiment, I'm trying to turn Ubuntu Desktop into a server. I was able to disable X at boot time and now, I am trying to get my computer to connect to my WiFi network at boot time, ...
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Ethernet Network not showing or connecting in Ubuntu 17.04
I updated from 16.04 to 17.04 a couple days ago. After doing so I found that when I connect my Ethernet cable, it doesn't connect or show connection as it did in 16.04. I Have an HP-15 laptop. I ...
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6
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"Activation of network connection failed" for ethernet connection
I have installed Ubuntu 18.04 on a Surface Book with dual boot, and I can't get the ethernet connection to work. Although the wifi connects, I keep getting the "activation of network connection failed"...
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How can I disable the DNS that Network Manager uses?
Ubuntu uses a DNSMasq instance for Network Manager starting in 12.04 - how can I disable it?
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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 network-manager-...
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