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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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24.04: network-manager-openvpn-gnome lost advanced settings

after installing 24.04, there does not seem to be any way to get 'Advanced' settings on network-manager-openvpn-gnome to set parameters such as cypher type, mtu, etc. Is that a bug or has the setting ...
ondrejch's user avatar
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Ubuntu RTL8821CE Performance

In Fedora 40, my network performance is best. It connects instantly, speed is as it is of my net. But in ubuntu 24.04 it takes some time to connect and even after connecting it again says connection ...
Hashim's user avatar
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Wifi Driver Adapter not showing or not working

I Having a Asus Tuf f15 Gaming laptop , In my laptop suddenly wifi adapter not showing or working but if restart 3 to 5 times wifi driver showing but after few seconds laptop get hang ! Can someone ...
Thestarsahil's user avatar
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After changing speed with ethtool can no longer ssh in (remotely) or ping the ip either [closed]

Very new to linux. I have built a server that I have being hosted about an hour away from me. I set it up with Ubuntu server 22.04 lts and it was able to ssh in locally and remotely just fine. Only ...
Blarney77's user avatar
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DNS precedence rules for multiple interfaces

In 24.04, I have multiple network interfaces - my home WiFi, and then a separate ethernet interface (really, a LTE modem that presents an ethernet device) which has access to my employer's network. I ...
Gordonei's user avatar
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Ethernet & USB Dongle not working

My machine running Ubuntu 22.04.2 LTS is unable to connect to the internet. The ethernet and Wirless dongle do not appear as options in the settings and I'm unsure on how to fix this The wireless ...
AdorableWeasel's user avatar
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Unable to Connect to Internet After Upgrading to Ubuntu 22.04.4

On Thursday, My OS updated to 22.04.4, and the nightmare began. Everything worked fine until Friday morning when even the network settings on my PC disappeared. I received the "NetworkManager not ...
Linda's user avatar
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Unable to connect to wifi on my Ubuntu 22.04

Here are some of the log messages: dmesg: `gnome-shell' uses wireless extensions which will stop working for Wi-Fi 7 hardware; use nl80211 [ 37.086239] wlo1: authenticate with e6:e1:33:77:01:cd [ ...
Aabid Raina's user avatar
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Wifi menu not showing but card detected

I just installed ubuntu 24.04 and I have a wifi card (Aorus GC-WBAX200). I don't have the wireless menu in the top right corner. And when I go to settings, I only see the wired connection. When I run ...
Hakim's user avatar
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Ubuntu 24.04 server with NetworkManager does not configure eth0

I installed 24.04 server on a Raspberry Pi 4. The initial boot recognizes eth0. After I installed NetworkManager, I created a netplan configuration for eth0, wlan0, and wlan1. Upon reboot, eth0 was ...
mooseq's user avatar
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Slow speed Ethernet issue on Ubuntu 24.04

I recently changed my system to Ubuntu from Windows and I use my mobile and USB ethernet to connect, I used to get 500+ mbps on Windows by using USB tethering, but on Ubuntu 24.04 I am getting only 4 ...
Ani's user avatar
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DNS resolve issues with new Ubuntu PC

I am running Ubuntu v22.04.4 LTS and whenever we spin up a new box to deploy the DNS never works. I've read various different threads about why but there doesn't seem to be a consensus. How can I ...
Nebul0us's user avatar
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How can I connect networkmanager connection to device manually with nmcli?

When I use nmcli con up ATT3mzk7Bu I get the following error message: Error: Connection activation failed: no suitable device for this connection (device enp60s0 not available because profile is not ...
lifeModder19135's user avatar
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Question about creating and connecting a new WiFi connection in LightDM-KDE-Greeter login screen

I have encountered two scenarios regarding connecting to a new WiFi network directly from the LightDM-KDE-Greeter login screen, and I'm seeking clarification on the feasibility of achieving the ...
Vijay Sri's user avatar
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Ubuntu boots into a blank screen when NetworkManager is enabled

Question I stumbled upon a peculiar situation in Ubuntu Desktop 22.04.4: If the NetworkManager service is enabled, the PC boots to a gray-colored blank screen, like when the display monitor is off. I ...
Programmer.zip's user avatar
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VPN kill switch to mitigate Tunnelvision attack

You all probably heard of Tunnelvision attack on VPN's. Basically, it is about this: the attacker in rogue LAN abuses DHCP option 121 to set a route on the VPN user’s system that is more specific than ...
Matej Kovačič's user avatar
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Initramfs wants to start ATA-over-Ethernet before mounting local (!) root partition

I'm on 22.04 and just did a dist-upgrade to upgrade some helt-back packages, which went through fine. However, my boot now seems to depend on acquiring a DHCP-lease on my ethernet interface. (Side ...
igel's user avatar
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Where's NetworkManager in ubuntu 24.04?

The NetworkManager service is absent from my ubuntu server 24.04. I still get internet connections, but I can't manage them through systemd like before. Is it really a bug, or is it by design, in ...
Sylvain Hubert's user avatar
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Ethernet Disabled after software update reboot 5/4/2024 22.04.4 LTS -solved but WHY?

Symptoms: No Internet, Networking Icon at the top is gone, the settings gui shows no interfaces. ifconfig by itself shows the loopback interface and nothing else, but an ifconfig -a shows any and all ...
Vic Vacume's user avatar
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How can i bridge eth interfaces with no bridge (let me explain)

I have a device that has 3 ETH interfaces. This way I installed the Ubuntu server on it to use the Pi-Hole application I want to use my ETH0 to receive the Wan cable from my internet provider moden ...
Victor Lozano's user avatar
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2 answers
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L2TP IPSEC not working after upgrade from Ubuntu 20 to 22

I had configured on Ubuntu20 which was working fine. Recently I upgraded the system to Ubuntu 22.04 but now I am unable to connect to the office vpn. I am attaching the logs journalctl -xe May 03 12:...
hellgod07's user avatar
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WiFi disconnect-reconnect loop when using NetworkManager

It's as the title says, when I use the desktop GUI tool to connect to WiFi, I end up with my WiFi disconnecting and reconnecting every couple of minutes. Here's part of the output from the syslog via ...
Gogeta70's user avatar
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wlan0 won't establish connection after MAC change UBUNTU Touch

I am trying to change the MAC address of my wlan0 device, I tried with ifconfig wlan0 hw ether. I tried also macchanger, but after I changed it WiFi won't establish a connection. It sees the WiFi ...
Nodo Frodov's user avatar
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how to specify additional options to openconnect when invoked via nmcli?

I use mlcli to connect to a VPN, like this: nmcli conn --ask up myVPN. Under the hood this invokes openconnect: \_ bash | \_ nmcli conn --ask up myVPN | \_ /usr/sbin/openconnect --authenticate ...
Vlad's user avatar
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2 answers
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Can't resolve any DNS addresses, resolveconf is not installed (and can't be installed)

I just updated to 24.04. Ever since, my machine hasn't been able to resolve any DNS names, making it impossible to update or install any packages. I've followed numerous forum posts saying to edit ...
meatlocker's user avatar
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108 views

IpVanish VPN failed to connect

I am trying to install IpVanish on Ubuntu 23.10, but I get connection failure every time, the activation of the network connection has failed VPN settings: IPV6 settings:
sami boutgoulla's user avatar
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1 answer
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Find out the IP addresses given through Network Manager to clients connected to my desktop

On my laptop (Ubuntu 22.04), I needed to share my internet connection (from my phone's hotspot) with another box (a router) connected to my laptop connect through ethernet. The router is the laptops ...
sup's user avatar
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Netplan, Network manager, resolvd, Ip, ifup, ifdown, Help me understand

I'm trying to get the OpenVPN client to update DNS when one connects without success, so I attempted to manually edit the resolv.conf file to test it, and I want it to auto-update its previous ...
Spot's user avatar
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Intermittent WiFi Connectivity Issue: "No WiFi Adapter Found" in Ubuntu 23.10 with Intel AX210

I'm experiencing an issue with my (Intel Corporation Wi-Fi 6 AX210/AX211/AX411 160MHz (rev 1a)) wifi card on my desktop running Ubuntu 23.10. Initially, the WiFi functions correctly—I'm able to ...
Torrin worx's user avatar
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i have installed ubuntu on my laptop yet i cant connect to the internet i have figured out it is a DNS configuration error how do i solve it

I have installed Ubuntu on my laptop bare Metal the latest version of 2024 if I try and access the internet from any browser I can't because of name resolution if I ping an IP directly I get a ...
rug24's user avatar
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1Gbe Interface stops working when MTU set to 9100 on 100G interface

I have a server with 2x1gbe ports LOM and a single port 100G nic. Our 1gbe network is different than our 100G network and both have access to the internet. I would like to be able to use both ...
Alec Glover's user avatar
1 vote
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57 views

No internet connection and missing ethernet option after installing driver for second monitor (Ubuntu 22.04.4 LTS)

I'm encountering an issue with my internet connection and ethernet settings after installing a driver for a second monitor on my (Ubuntu 22.04.4 LTS) system I've tried the following troubleshooting ...
Ahmad Gamal's user avatar
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67 views

Ethernet is not working on Ubuntu 22.04

I'm a new Ubuntu user and I don't know what happened. Here are the current settings. Results of sudo lshw -C network: Results of nmcli-device: Results of ifconfig: Results of sudo nano /etc/...
vivy's user avatar
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Can I configure my netplan configuration so that all UDP outgoing broadcast traffic goes thru a specific Ethernet interface?

I've got Ubuntu Desktop 22.04 on a computer with 2 Ethernet interfaces. I've been reading netplan documentation for the past 2 hours and I'm running out of ideas (or understanding). eth1 connects to ...
GuyWithDogs's user avatar
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Network Manager keeps asking for "Legitimation for WIFI"

I have an elderly person whose desktop is connected to the LAN via WIFI card. The WIFI is always the same, "Allow all users to connect" is already checked, the main user gets automatically ...
bstabens's user avatar
1 vote
0 answers
42 views

Wi-Fi connectivity issues on Ubuntu Server

I'm trying to setup to run my old laptop as a home server using Ubuntu Server 22.04.4. The problem is after configuration, my laptop can not detect any wifi using nmcli device wifi list I have tried ...
Mi2Trung's user avatar
-1 votes
1 answer
70 views

Ubuntu Wifi keeps disconnecting intermittently and don't connect afterwards

I'm using ubuntu 22.04. My wifi keeps disconnecting randomly in every two hours. And after that it don't reconnect imediately. I've to do all sorts of things to reconnect like restart my computer ...
Talal Anwar's user avatar
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0 answers
28 views

Virtual WDS AP Can't Connect to Home WiFi Network

I'm running Ubuntu Server 23.10 on a Raspberry Pi 4B. I have WDS/4addr enabled on my USB-WiFi Dongle (that has AP capabilities), and have created a virtual network named 'wds0' that would connect to ...
cdubs's user avatar
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65 views

Create an offline (no-internet) network using netplan

I'm trying to create a simple, no-internet (completely offline) network consisting of an Ubuntu server (22.04 LTS). The server will both create a wifi access point and connect over wired ethernet to ...
Joel Spolsky's user avatar
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0 answers
56 views

Ethernet problems on Ubuntu 22.04 LTS

Before anything, I'm using a somewhat old Asus laptop model (Q550LF). With that said here is the more detailed specs of the problem:
ThyPPotatoDude's user avatar
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1 answer
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Prioritize routes in NetworkManager when using custom IP with DHCP fallback

I'm using network manager to set a custom IP address, but also keeping DHCP activated in case I connect my headless device to another network, I automatically sets the default gateway and everything. ...
David Davó's user avatar
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0 answers
158 views

Nmcli and nmtui can't read password for wifi network

Ubuntu 23.10 here. When using Network Manager in KDE, I can connect to the wifi network via the Network Manager applet. Connections are saved with passwords so I don't need to enter a password for ...
QkiZ's user avatar
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41 views

Connecting to two different networks simultaneously using two network adapters to access Internet

Description I have two wifi adapters, each one is connected two a different network, while each network is connected to the Internet. The two networks have the same network mask and my computer has ...
SaidbakR's user avatar
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1 vote
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Network setup for a mobile robot base

I am working on a mobile robot base that is supposed to be controlled from a stationary control station. The robot itself has multiple computers onboard, which are on an internal Ethernet network. The ...
feoranis's user avatar
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0 answers
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Unable to get l2tp 1.3.16 to work on Ubuntu 22.04

System details: Laptop: TIMI Mi NoteBook Ultra OS: Ubuntu 22.04.4 LTS Processor: 11th Gen Intel® Core™ i5-11320H @ 3.20GHz × 8 xl2tpd version: xl2tpd-1.3.16 I have been trying to set up l2tp on my ...
sk_itclick1's user avatar
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0 answers
55 views

turning wireless interface off

I am creating a hardening tool where i need to turn off all the wireless interfaces, is the command nmcli radio all off enough for that purpose, or should i be doing something extra, making some ...
goose57's user avatar
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1 answer
577 views

NetworkManager is not running after upgrading to Noble [closed]

I admit I knew this to be a long shot, but had to try it - I upgraded my 23.10 to 24.04. After booting up, my network connectivity is gone and the Settings screen says: What I would usually do in ...
Jovan Perovic's user avatar
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1 answer
75 views

Sudden problem with WiFi internet access with one specific Ubuntu 22.04 device with one specific router

I have an Ubuntu 22.04.4 LTS (with Intel Wi-Fi 6 AX201) that suddenly it just can't access the internet with my home WiFi. It was completely unexpected because it was working fine up until now, and ...
Andy Barcia's user avatar
1 vote
1 answer
179 views

ip-config-unavailable DHCP error from NetworkManager

Overview and Environment I recently set up a new VirtualBox VM and ran into some strange network behavior. The machine is running Ubuntu 22.04 and after installing the virtualbox guest additions, my I ...
Chris Howe's user avatar
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0 answers
20 views

How to reactivate the network manager when the PC does not have access to the internet?

The day before yesterday I installed the proprietary NVIDIA 535 driver and yesterday when I turned on the laptop, the place to log in did not appear. I managed to use GRUB to access the terminal and ...
Diana's user avatar
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