Questions tagged [networkmanager]
NetworkManager is an application tool to simplify the multi network model on a single or multiple interfaces.
1,129 questions
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NetworkManager: configure a network interface with MAC address X to have an IP address Y
nmcli device set expects ifname. Is there a way to use a MAC address instead (configure [network interface having MAC address X] to have an IP address Y)?
If I disable the long interface names (so I ...
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Why does systemd-resolved fallback to last DNS-Server in the list
My DHCP server returns 3 DNS servers in this order
10.10.0.100
10.10.0.101
10.0.0.1
I can dig all of them from my client (fedora 42, kde plasma):
➜ ~ dig @10.10.0.100 +short google.com
172.217.208....
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USB Wi-Fi dongle not able to connect to network
Introduction
I've just installed Debian 13 using the network installer over a WiFi USB dongle (https://a.co/d/ddrTljz). After booting into the OS, and trying to manage the WiFi adapter (that I used to ...
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What is a bond port queue ID?
In Network Manager, there is a property for bond ports bond-port.queue-id. I suspect it's an optimisation setting used by the kernel, but this is just an educated (barely) guess.
What does this ...
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How can I use Network Manager to create a route to a docker Macvlan
Using https://lab4me.xyz/books/linux/page/how-to-create-and-use-macvlan-network-in-docker, I create a Docker macvlan network:
### create mac-vlan network
docker network create \
-d macvlan \
--...
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gnome-settings stores user data in /etc
I just found that network connections, e.g., wifi/vpn, is stored in /etc/NetworkManager/system-connections with root only permission:
-rw-------. 1 root root 281 Sep 28 21:39 wifi.nmconnection
-rw----...
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Networkmanager shared wired connection no DHCP in hairpin mode
I'm setting up a Raspberry Pi as a mini router for university Accommodation, using NetworkManager to configure the connections, but I'm running into a problem.
My current setup has a USB ethernet ...
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nmcli - attempt a connection using a list of APNs
I do not know before hand which network provider's SIM card is going to be inserted into my device, so my current method is to just have a python script create multiple connections while iterating ...
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Internet disconnects sometimes when downloading large files
For some reason my wifi network just keeps disconnecting. It always goes like this:
It disconnects, then I get a notification from the System saying that the connection failed. It tries to reconnect ...
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Debian 12 (Beelink mini-PC, Intel AX200) shows Wi-Fi as “unavailable” in nmcli — solved by enabling NetworkManager and installing wpasupplicant
Question (the problem statement)
I’m running Debian 12 on a Beelink mini-PC with an Intel AX200 Wi-Fi adapter.
However, I could not connect to Wi-Fi. Running nmcli device always showed:
wlo1 wifi ...
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Fedora 36 NetworkManager delete old IP, DHCP addresses from adapter enp0s3
I am trying to remove an old IP and route from Fedora 36 NetworkManager. I recall my steps as I followed them. I am using Win-11 x86_64(host), VirtualBox 6.1.5, Fedora 36 (guest.) When I installed the ...
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How to allow local network dotless names using Network Manager in Linux Mint with DHCP?
I have two hosts, MintPC and AlpineVM. The VM is on a bridged network so it appears as its own device on the network with its own address. Both obtain addresses through DHCP provided by my router/...
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DHCP requests not reaching router on 5Ghz networks with WCN785x Wi-Fi 7(802.11be) 320MHz 2x2, Qualcomm Technologies
I've got a new machine with an MSI MAG Z790 Tomohawk Max Wifi (MS-7E25) motherboard running Mint 22.1 (on kernel 6.14.0-29-generic), which has a Qualcomm WCN785x Wi-Fi 7 network card built in. lspci ...
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Wifi disconnects automatically when its being used for around 30 seconds
I am using GNOME 46 desktop environment and Network Manager for handling network (at least I think I am). After trying to fix WiFi not connecting automatically, I stumbled upon another issue:
When I ...
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NetworkManager error in raspberry using Dispatcher.d events
Our goal was to create an AP mode on a Raspberry Pi easily, so we could connect to it from outside, connect to a webserver, send form details about the WiFi network, and then connect to that WiFi ...
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"All users may connect to this network" - restrict interface to group?
in RHEL-8 {and above} for an infiniband interface ib0 in the Network Manager gui on its General tab there is a checkbox option for All users may connect to this network.
I only see this option for ...
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Stop periodic WiFi scanning when already connected to a WiFi network
I have Debian 13 installed with KDE plasma desktop. I noticed that my WiFi latency regularly gets higher for a few seconds, then returns to normal. After some investigation using ping and iw event, I ...
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How to configure Strongswan NetworkManager plugin to use eap-mschapv2?
The issue
Cannot connect with roadwarrior Linux client to IPSec server using MSCHAPv2.
I tried on Fedora 42 and Ubuntu 25.04 desktops with both failing.
Can connect with macOS, iOS and Windows 11 to ...
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nmcli or nmtui for Access point on the same subet as my wired connection (trying to emulate a wifi-eth router box)
I manged to create connections that issue a Wifi access point using nmcli. I did
nmcli device wifi hotspot con-name Wifi_AP_pcie ifname wlan0 ssid MirrorNET password superstrongpassword
This is ...
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Downgrading a package to older versions on Fedora
Similar to this question, I need to downgrade NetworkManager (1.54.1-1.fc42 is the current version) to be able to connect my school network. I am using Fedora right now, and don't know how to ...
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How do I start a process which by-passes a wireguard VPN?
I have a very basic wireguard connection that routes all traffic through a VPN.
[Interface]
PrivateKey = <PRIV-KEY>
Address = <IPV4,IPV6>
DNS = <DNS>
[Peer]
PublicKey = <PUB-KEY&...
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On my Ubuntu-based distro (Linux Lite), how to auto delete all network connections, disable Wi-Fi and networking as part of booting process?
My end goal here is to have no saved network connections, no enabled Wi-Fi or networking each time I boot up my computer, so that I have to go through a sequence of steps in order to access internet. ...
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How to let Networkmanager disregard wireguard connections?
I recently upgraded from linux mint 21.0 to 21.3. After upgrading Networkmanager has seem to imported my existing wireguard connections (/etc/wireguard/wg0.conf) which results in it being displayed in ...
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Stop network connection from being brought up with NetworkManager-dispatcher pre-up
I am running NetworkManager on Debian 11. I have a script that is activated by NetworkManager dispatcher on pre-up. It has been running fine so far and now I would like to add another piece of ...
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Wifi AP with nmcli is broken when a WPA pasword is added
Setting up a wifi AP with nmcli
nmcli connection add con-name 'AP' ifname wlanE type wifi slave-type bridge master br0 wifi.band bg wifi.channel 8 wifi.mode ap wifi.ssid ap
creates an open AP that ...
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Debian setup for systemd networking.service and NetworkManager.service
My system has a single interface: wifi via wlan0. NetworkManager is the default. However, the system has several "networking services" enabled. Following is a list (the default) of the ...
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accessing internet through another linux system, configuration in RHEL 8?
I have a linux computer A running RHEL-8.10 that has internet access, on it's eth3 port; it has a quad port nic whose ports shows up as eth<0,1,2, and 3>.
If I use a second RHEL-8.10 computer B, ...
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nmcli fails to connect to openvpn server using password+totp
I have an openvpn conf.ovpn file imported in nmcli using
nmcli connection import type openvpn file ./conf.ovpn
I opened Networkmanager GUI and set the username for this connection.
I am trying to ...
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No internet connection on both Host & Guest machines
I'm having trouble understanding why my host and guest machines don't have internet connections. I'm using NAT in virt-manager.
When I am not connected to Wi-Fi
user@user ~> ip route
169.254.0.0/16 ...
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Reboot required after losing network on Linux 21.3 on a HP Pavilion on NowTV Model NR801 router
I'm running Linux 21.3 on a HP Pavilion.
If lose wifi connection due to poor signal to my NowTV Model NR801 router, I'm unable to reconnect to any network (including wired) without rebooting my ...
Dave Russell
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Disabling ipv6 in NetworkManager globally?
I disabled ipv6 by setting a kernel boot flag, as this is only robust way I could find to do it with NetworkManager (NetworkManager seems to think it has authority over the sysctl parameters and just ...
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SSH access broken; probably due to my dislike of 'NetworkManager'
I've apparently "broken" network access to one of my Debian 'bookworm' systems that run on Raspberry Pi hardware. This resulted from my apparent lack of understanding of details wrt how the ...
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Driver is not able to connect to detected network
OS: Ubuntu 24.04
Kernel: 6.11.0-17-generic
CPU: AMD Ryzen 7 7700 8-Core Processor
I have a TP-Link TX20U plus that is able to detect my network after I have loaded it with the driver taken from https:/...
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NetworkManager, wpa_supplicant and Wifi7 (802.11be)
I got a Wifi7 card running on Debian per my Q&A, the card is based on Intel's BE200NGW chip.
Despite Multi Link Operation being enabled on the Wifi7 router, the Debian machine running kernel 6.12....
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Wifi displays networks but won't connect to any
I have an old laptop with Xubuntu 12.04 on it. Runs great except the Wi-Fi. I can run Network Manager, and it shows a list of Wi-Fi networks nearby.
Mine is LilaCon_5471_guest1. It's on WPA2 Security....
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How to fix QCA9377 WiFi issues in Kali Linux 2025.1 (wlan0 not detected, device not managed)?
How can I fix issues with the QCA9377 802.11ac rev31 network adapter in Kali Linux 2025.1 (kali-rolling), such as WiFi not connecting, wlan0 or wlan1 not showing up, or errors like "Device not ...
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Forward traffic from wireless interface to other device on simulated network
I want to use services like Barrier on my university network but LAN is prohibited on it. To fix this, I directly connected an ethernet cable from my laptop to the PC I wanted to control and followed ...
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NetworkManager: add wlan to bridge and enable hotspot
I'm moving from Debian 12 to a raspberry pi and having difficulty because the normal networking stuff that's been there for years has been replaced with some awful thing called NetworkManager.
I had ...
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eduroam works on systemd-networkd but not on NetworkManager
After two years and countless hours of trying to fix this issue, I was finally able to connect to eduroam (Enterprise WPA) from Arch. I was able to do this by ignoring NetworkManager entirely and ...
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why nmcli got multi same ssid and null ssid access point
I tried using nmcli to get the access_point list, but I got multiple entries with the same SSID and some with a null SSID. I'm not sure whether this is a problem.
My system info: Linux Raiden 6.10.10-...
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NixOS cannot connect to dual-band mesh home wifi
My laptop running NixOs 24.11 with an Intel(R) Wi-Fi 6E AX211 160MHz adapter cannot connect to my home network using wifi (ethernet is working). Instead of the proper SSIDs showing up (either 2.4G or ...
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How to make NetworkManager use `/etc` configs and where `/run` connections come from?
I have a Petalinux board (a Trenz Electronic with an AMD/Xilinx Zynq UltraScale+ MPSoC) which boots up with a wrong network connection config (no DHCP). It has no configs in /etc:
$ ls /etc/...
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Use libnm or popen(nmcli) to configure network programmatically?
We have a system where we need the user to be able to permanently change the network settings from the interface (via our C code), that used to be achieved by generating a new dhcpcd.conf file and ...
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Configure signal strength for Network Manager and APs with the same SSID
In my distro, wpa_supplicant is used by NetworkManager, but it is fully configured via DBus.
As a result, I cannot specify the bgscan option as described here: https://wiki.archlinux.org/title/...
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Replace wpa_supplicant with own implementation
I've my own process for instance named as VikProcess which inherited with possible code of wps_supplicant (dport, systemd, events.c, scan.c etc..) in order to get essential code features of ...
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NetworkManager - Can I disable the default Wired connection 1 and use a predefined file as default?
I have two files, eth0-static and eth0-dhcp, for my NetworkManager defined and I want that the NetworkManager uses one these files as default instead. The file selection depends on DHCP enabled or not....
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Ubuntu VM running on HyperV Windows 10 machine remote login will not stay toggled on
I have an Ubuntu VM running in HyperV on a Windows 10 machine. I'm trying to configure Ubuntu to allow remote logins so I can use Remote Desktop from my Windows host to login, but the toggle that ...
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Printing Failing from HQ ERP print jobs to Site printers after Network/hardware update
Questioning a set up, short story:
I have a client set up where their HQ is site W and their locations are sites are X-Z.
Site W is where the on-prem solution exists, sites X-Z can access on-prem ...
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Network Manager requires a bunch of manual configuration to connect to WPA Enterprise wifi networks. Why?
Connecting to WPA enterprise networks on Windows is straightforward:
Select the network
Enter your username and password
Confirm that, yes, the network is expected to be available at this location
.....
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Arch Linux wifi not available with mt7921e adapter
I'm a noob to arch and I'm getting stuck on what seems to be a basic thing. I followed the installation manual and installed and enabled NetworkManager. My internet connection works, but I can't ...
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