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
0 votes
3 answers
4k views

I can't connect to new router with same ssid

I have a problem with my wifi in Ubuntu (15.04). Recently, I have changed my wifi routers. Due to differents devices that was already configured, I have configured the new router with the same SSID ...
0 votes
1 answer
75 views

Wifi keeps disconnecting in some interval - Ubuntu 20.04

I have searched about these kind of questions but nothing helped me. Wifi disconnecting in some interval. And the interesting one is when disconnecting happens, I open wifi settings (shows my wifi and ...
0 votes
0 answers
254 views

How to disable sharing/cast from Ubuntu

while watching a video on YouTube, there’s a cast button on bottom right which casts my Content to smart home devices like Alexa or Google home. Which package on Ubuntu is responsible for it and how ...
10 votes
2 answers
22k views

Bridging: Losing WLAN network connection with 4addr on option - Why?

Question: For use with my Xen VM, I need to create a virtual network interface (vif) that is bridged to wlan0. If in /etc/network/interfaces I add auto xenbr0 iface xenbr0 inet dhcp And then ...
0 votes
0 answers
1k views

Mobile broadband on Ubuntu MATE 20.04 LTS not working

I got a problem with my Dell E6230 Mobile Broadband connection in Ubuntu MATE 20.04. My laptop has a SIM card slot and also I have a SIM in it which has an internet plan active. Tested in Windows 10 ...
1 vote
1 answer
1k views

USB Wifi Dongle changes MAC Address on every boot - How to prevent this?

Ubuntu 20.04.1 LTS runs on an Odroid C4 development board. WiFi works fine with an USB dongle with RTL8811AU chip, but the MAC address is different after each boot. How can I ensure that the MAC ...
1 vote
0 answers
120 views

WiFi connection keeps dropping after short time

WiFi card worked fine for nearly a year until recently. Now it keeps dropping and reconnecting. I have tried shutting off power management but did not resolve issue. Card is Realtec PCI card. I'm ...
0 votes
0 answers
35 views

ubuntu slows down when connected via wifi

I have a fresh ubuntu install and everything goes well when connected via ethernet cable. However, if I am to connect via wifi, ubuntu is not as smooth as it is with cable. It's not something crucial, ...
1 vote
0 answers
785 views

Configure huawei e3372 4g dongle with Singtel Hi card 3g data on Ubuntu 18.04/Jetson nano project

I am trying to get the huawei 4g Dongle to work on my jetson nano in order to provide network for me. NVIDIA Jetson TX1 L4T 32.3.1 [ JetPack 4.3 ] Ubuntu 18.04.4 LTS Kernel Version: 4.9.140-tegra ...
0 votes
1 answer
1k views

Network unavailable when resume from suspend after updating Ubuntu 20.04.1 [duplicate]

After a recent update of Ubuntu 20.04.1 LTS when I resume my laptop from suspend my WIFI does not work. WIFI does work after rebooting the laptop. Here is what I have tried. sudo systemctl restart ...
1 vote
0 answers
377 views

Qualcomm Atheros QCA9377 wireless not working on Dell with Ubuntu 20.04.1 LTS

I can't connect to my wifi on my Ubuntu partition. It says ' No Wifi Adapter is found' in the wifi tab. I have used rf kill unblock all(There are no soft/hard blocks) and other solutions offered by ...
0 votes
0 answers
227 views

Connectivity issues after VPN disconnect: Ping but no DNS

PROBLEM I often use NordVPN on my linux machine (20.04.1), which uses the systemd-resolve network manager. After I disconnect from the VPN, I often have connectivity issues: I CAN ping 8.8.8.8 I ...
2 votes
2 answers
991 views

Ubuntu 20.04: WiFi hotspot not turning on saying system policy prohibits turning it on

Ubuntu wifi hotspot is not turning on. It's saying system policy prohibits turning it on.
4 votes
1 answer
2k views

What happens if you turn on multiple VPN connections?

I'm on ubuntu 17 and i just added a few vpn options. I noticed you can turn all of them on, but which one takes precedent? If all of them are on, do they just fall back on the other if one of them ...
0 votes
1 answer
2k views

snap "network-manager" is already installed, but nmtui is not working

snap "network-manager" is already installed, but nmtui is not working. when I command nmtui it shows to apt install network-manager. after command apt install network-manager here output is ...
0 votes
0 answers
803 views

After upgrading to Unbound 1.13.0 getting error: udp connect failed: Network is unreachable for port 53

I recently upgraded to Unbound 1.13.0 and when I run: sudo systemctl status unbound I get the following: ● unbound.service - Unbound DNS resolver Loaded: loaded (/lib/systemd/system/unbound.service;...
0 votes
0 answers
1k views

periodic disconnect from wifi (reason 3)

I am running Lubuntu 20.04.1 LTS, which I just upgraded, and I've noticed that my machine disconnects from my home wifi about every 5-15 minutes. I'm able to reconnect immediately without issue, but ...
1 vote
1 answer
10k views

Error editing connection: did not find a connection with UUID '(null)'

I am a newbie to Ubuntu and I am trying to configure Ubuntu for a class. I have followed instructions that were given to me by my instructor. I am running Ubuntu 16.04 LTS from a VMWare mounted drive ...
1 vote
0 answers
169 views

Want to Make Devices(Connected) Whitelisted for my Hotspot in Ubuntu

I have made my Ubuntu machine as Hotspot point.Now I want to make some devices whitelisted so that other people will not be abe to use my wifi. I have googled some stuffs but nothing was that much ...
1 vote
2 answers
34k views

nmcli command not found ubuntu 16.04

I'm trying to create a hotspot in ubuntu so I need to disable the wifi. When tried the command nmcli radio wifi off it returns the message bash: nmcli: command not found. Is there anyway to install ...
0 votes
0 answers
344 views

Network manager is sending me to a "hotspot login" page

The last few months I've had a question mark on my network connectivity icon in the top bar(gnome). I discounted this as a defect in a canonical server for some reason not being reachable by me. ...
6 votes
5 answers
3k 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 ...
0 votes
1 answer
1k views

How to fix? Netgear A6210 USB causing Ubuntu 20.04.1 Network Manager toFreeze

Whenever the Netgear A6210 usb wifi adapter is plugged in it appears to crash NetworkManager and pretty much anything that might rely upon it. I have been using the same wifi adapter in versions 18.04 ...
1 vote
0 answers
102 views

OpenVPN through network manager does not resolve VPN hosts

I am running Ubuntu 20.04.1 LTS. I have set up an OpenVPN connection with the Gnome network-manager. I have some domains that point to an ip address inside the vpn (e.g.: service.mydomanin.com points ...
0 votes
2 answers
2k views

Cannot connect to PPTP VPN on Ubuntu 18.04

I am fairly a new user to Ubuntu and Linux distributions and installed 18.04 LTS on vmware workstation. i already have a VPN connection that is working fine from a Windows machine. but if i configure ...
0 votes
1 answer
69 views

Is there a complete USB bootable iso available

I need a complete USB bootable iso to be able to set up my computer with only Wifi available.. Netgear USB wifi. There seems to be missing a lot in the basic USB iso installation to be able to get to ...
0 votes
1 answer
177 views

NetworkManager crashing unrecoverably on egpu ethernet

I've noticed every since using my laptop with my Aorus RTX 2080Ti gaming box (egpu w ethernet) with either 20.04 or 20.10 I've been encountering NetworkManager crashes. What happens during a crash is ...
1 vote
1 answer
2k views

vpnc networkmanager-vpnc-gnome cannot install in Ubuntu20.04

I try to use this command sudo apt install vpnc networkmanager-vpnc-gnome to install in Ubuntu20.04, but it shows that E: Unable to locate package networkmanager-vpnc-gnome. How to solved it? Thank ...
1 vote
0 answers
67 views

How to Connect 3 Networks With Ethernet and WIFi/VPN?

I have two computers on a robot that are directly connected via Ethernet. Called" Magni" and "Jetson". Magni is connected to a wireless network. On this wireless network, there is ...
0 votes
0 answers
389 views

Using Netplan to setup a static IP for a cluster of devices connected via ethernet

I'm coming from NetworkManager world, so bear with me. I can do this on Ubuntu if I change Netplan's rendered to NetworkManger, but I'm hoping to learning the more native approach. I have four devices ...
0 votes
2 answers
3k views

internet connection not working with Ubuntu 16.04

I have been facing this issue for past few week. My computer is connected with wired internet, with proper network configuration. (have tried both DHCP & Manual). it fails to connect to every ...
0 votes
0 answers
497 views

Netplan can't get ipv4 address

First, I have to say I'm quite a noob. I have Ubuntu Server on rpi4. I want that all my connections go through it. I did what is explained here: https://raspberrypi.stackexchange.com/questions/109425/...
0 votes
1 answer
7k views

Wired connection on 18.04 keeps connecting and disconnecting

I have a fresh installation of Ubuntu 18.04 from a bootable USB. My motherboard PRIME Z390-A has an Intel I219-V Gigabit LAN network card. I've been trying to fix this for several days now, and it's ...
0 votes
1 answer
669 views

Need Fix for NetworkManager Openvpn, prepending extra-path to crt-path

When adding a openvpn ovpn-file through the network GUI (and nmcli too), and trying to connect, it fails. But it works if I manual are connection with openvpn through the terminal. After a look in the ...
1 vote
1 answer
722 views

Wifi usb not working Ubuntu server/desktop 20.04.1 TP-link archer t4u ac1200

I have a TP-link archer t4u ac1200 which isn't working on Ubuntu. I tried almost all the drivers I could find on the internet but they aren't working. Reinstalled the server 2 times now for a fresh ...
1 vote
1 answer
2k views

Frequent time out on ethernet

It seems like this is quite a common problem with Ubuntu, from the other threads I've seen, but I have been unable to find a solution that fixed my issue. I am running a fresh Ubuntu 18 installation ...
0 votes
0 answers
254 views

No network after installing Ubuntu 20.04.1 LTS

I have been having trouble installing ubuntu network for my server Dell R610. My knowledge regarding server is pretty low and I do pray to everything that someone would be able to help me here! I ...
0 votes
1 answer
2k views

WIFI hotspot only running at 144mbps@5GHz but should be much faster Alfa Network AWUS1900

I own an Alfa Network AWUS1900 wireless adapter which I use to create a 5GHz hotspot in Ubuntu, which is running in VMWare Workstation under a Windows10-host, which both use the same network. The ...
1 vote
2 answers
2k views

Networkmanager: dispatcher.d/pre-down.d is not executed on shutdown anymore

I am using this (https://askubuntu.com/a/674106/39966) solution to unmount a NFS on shutdown. But now I discovered, that in most of the cases, when I shutdown the computer via the XFCE menu, the pre-...
1 vote
1 answer
1k views

SSIDs are not showing on network Manager in wlan0 [closed]

I am facing issue with my network manager. I am unable to view any ssid nearby. Every time i need to connect wi-fi by adding SSID and Password manually in network interface. Here is Image Description ...
1 vote
0 answers
58 views

Ethernet disrupted my automatic Wi-Fi+VPN connection

I am using Ubuntu 20.04.1 LTS x86_64 with Gnome on my company laptop and everything was working just fine: got my automatic wi-fi + VPN setup and it ran smoothly every time. I also configured my hosts ...
0 votes
1 answer
2k views

Can't connect to internet with wired connection

I'm unable to get my ethernet socket working to allow me to connect to the internet. Ubuntu 20.04.1 LTS. WIFI connection to the same modem is functioning. The Ethernet light turns green on the modem ...
2 votes
1 answer
3k views

Wifi Stopped Working in Ubuntu 20.04 After Restart

A few days ago, after I restarted my laptop and wifi icon isn't even showing anymore. I didn't have any problems with my wifi connection before. When looking for answers I found that these information ...
2 votes
1 answer
3k views

How to redirect all requests within a wlan using ad-hoc to a specific address or hostname

I'm setting up an ubuntu embedded system as a "master" server which will then broadcast to clients using ad-hoc in a wlan. The purpose is for a client to access the wlan and then access a webapp on my ...
0 votes
1 answer
3k views

CHILD_SA not working since proposed PFS Group is not configured

Would be nice if someone could give me a hint. Intro So I want to connect with my Kubuntu 18.04.5 client (NetworkManager - Strongswan/Charon) to my IPsec-IKEv2 (pfsense) Server, which works but after ...
6 votes
3 answers
14k views

Cisco Anyconnect vs network-manager-openconnect-gnome settings?

I currently have and use the official Cisco AnyConnect Client. When I connect to it all it asks me for is my username and password. When I try to connect to the same server using the package from ...
0 votes
0 answers
37 views

Kubuntu Network Manager Question

I run Kubuntu 20..04.1 LTS. and I have a question about the "Available Networks" that appear in my "Network Connections" System Setting Module. Specifically, can I hide some of ...
3 votes
4 answers
6k views

wifi still sleeping when resume

When I put my desktop in hybernate and then put it back on the wifi is gone. It is simular to the problem described here. But to fix it you have to run a command sudo nmcli nm sleep false. But the nm ...
2 votes
2 answers
2k views

Cisco AnyConnect (VPN) connection always forgets username

Starting with Ubuntu 19.04 (maybe even before) every time I want to connect to a Cisco AnyConnect VPN profile from the Network Manager it shows certificate confirmation dialog box and asks for ...
4 votes
2 answers
18k views

systemd-networkd - No networking in recovery mode

Running UbuntuGnome 17.04 I am not enable to start networking in recovery mode, because there is an unknown group "power" in message bus configuration file error when NetworkManager is trying to ...

1
23 24
25
26 27
85