Questions tagged [networkmanager]
The networkmanager tag has no usage guidance.
225
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How can you set defaults for NetworkManager connections?
Was looking to set default values for a few network connection configs like connection.permissions, etc, so that when a new connection is generated (at /etc/NetworkManager/system-connections), it'll ...
0
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1
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89
views
How to reload system-connections files?
After I edit a file in /etc/NetworkManager/system-connections/ I tried:
nmcli conn reload
systemctl daemon-reload
systemctl reload NetworkManager
systemctl restart NetworkManager
but no matter what, ...
0
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1
answer
105
views
dnsmasq reads addn-hosts config but ignores it, falls back to system's /etc/hosts
I'm running dnsmasq installed as a NetworkManager plugin on Fedora 39 machine
My configs are:
/etc/dnsmasql.conf (default, nothing changed):
user=dnsmasq
group=dnsmasq
interface=lo
bind-interfaces
...
0
votes
2
answers
635
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NetworkManager slows down shutdown and more in Debian 12?
First problem
Since I last updated my computer earlier this week, my computer started needing about 11 minutes to turn off. At first glance, it is NetworkManager.service and wpa_supplicant.service ...
0
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1
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288
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How to resolve issues with IPv6 via PPPoE
I am facing issues that I cannot wrap my head around related to IPv6 and PPPoE connections.
I have a server connected to a Netgear router with WAN connected to ISP and server connected to LAN port. I ...
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54
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NetworkManager requests authentication despite having credentials stored
The Problem
I have a wifi connection that works for the most part. Sometimes it disconnects and nm-applet shows a popup asking for the wifi-password, but the password is already filled in and I just ...
0
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1
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34
views
Is it possible to add/change DNS server without having to drop existing connections?
I just changed (or added another) DNS server to my network connection configuration and would like to use it straight away, but I have a few existing (mostly SSH) connections open that I don't want to ...
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1
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204
views
Unmanage all USB ethernet adapters, but keep names unique
One can disable a particular interface by listing it in one of the configs:
[keyfile]
unmanaged-devices=interface-name:enx6c4bca1ac914
But I want ALL USB ethernet adapters to be unmanaged and do not ...
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49
views
nm-applet menu pops up too high, in LXDE
I've got a fresh install of Debian 12 with LXDE on my laptop, and I installed NetworkManager and nm-applet (via the network-manager-gnome package). My problem is, when I click (left or right) on the ...
0
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143
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List wifi networks when wifi is in AP mode and also when it is in station mode
For my embedded system, I need quite versatile network management. I need to be able to use wifi in AP and station mode and switch between them. I'm using NetworkManager for this.
But i have found, ...
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1
answer
255
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Kali linux shutting down network after 5 minutes
So recently i installed Kali linux on my computer ( along with Windows 10 dual boot )
In the installation process i couldn't get past the network configuration for wifi no matter what, i had to use ...
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291
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Failing to configure local box as wifi hotspot with nmcli
I am trying to configure my Fedora 38 box to work as an access point (WiFi hotspot) called, say, MyAP.
So I use nmcli like this:
nmcli -p con add type wifi con-name MyAP autoconnect yes ssid MyAp \
...
1
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0
answers
96
views
WiFi sensor temperature increases when disabling wifi
For some strange reason, when I disable wifi with the nmcli command
nmcli radio wifi off
I see an immediate rise in the wifi sensor temperature, from around 30C to more than 60C. Because of this, I ...
0
votes
1
answer
591
views
systemd-resolved does not access zeroconf DNS server
I am trying to connect to a wifi network and use the dns server provided in the local network.
Wifi works fine, but I cannot get DNS name resolution.
I am using NetworkManager and systemd-resolved.
...
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0
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428
views
NetworkManager needs frequent restarts, never able to get past: 'getting IP configuration'
On Fedora-38, the route table (ip r) is constantly turning empty. I can fix it for a few minutes by restarting the NetworkManager (systemctl restart NetworkManager). Need to fix that permanently. ...
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292
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NAT masquerade refuses to work on Link-Local network
I am developing a device, in terms of usage and network connectivity it is similar to a printer with an Ethernet port. This device should also work in p2p scenarios, i.e. when the Ethernet port of the ...
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92
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In Network Manager how is my current Bitrate greater than the access point MaxBitrate
I'm working with the D-Bus interface to Network Manager on a custom Linux and I'm trying to find a decent estimate for current connection speed.
If I query the MaxBitrate property of the current ...
1
vote
1
answer
403
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Network Manager causing duplicate routes
I am using nmtui to create a network with multiple IP addresses on a single interface. The problem is that it creates a separate duplicate route for each. This is on AlmaLinux 8.7
ip route shows ...
0
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1
answer
846
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Alpine Linux (iSH) : ifquery: could not parse /etc/network/interfaces
I have iSH, which is actually a prooted(?) Alpine Linux on i(Pad)OS which works rather good with the apk package manager (not to be confused with Android APK), and network / internet connectivity is ...
1
vote
2
answers
1k
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NetworkManager Automatic Ethernet Connection
I've recently picked up Rocky Linux 9.1 and am trying to get the basic networking to work correctly using netplan and networkmanager. There must be something simple missing here...
I have a very ...
1
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1
answer
132
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Imported Oracle Linux OVA into VMware Workstation & vSphere and the NIC will not come up
VM was built with VirtualBox via Vagrant:
https://yum.oracle.com/boxes/
I need a production VM, so I exported the VM from VBox -> to VMware Workstation & vSphere (both have same issue). There ...
4
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0
answers
2k
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How to get my Linux Wi-Fi to reliably roam from AP to AP
I'm trying to get my Linux to reliably roam from AP to AP. Right now I'm using iwlwifi - iwd - NetworkManager combo to manage everything and apart from roaming everything works reasonably well and I'm ...
0
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1
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401
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Always append a per link routing domain with NetworkManager to be used by systemd-resolved
I'm using a global DNS server with the routing domain ~. to make sure that DNS queries are not being leaked:
# cat /etc/systemd/resolved.conf.d/dns.conf
[Resolve]
DNS=1.2.3.4#example.org
DNSOverTLS=...
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716
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Using QMI interface for SIM7600-H 4G module in Debian Bullseye
I am quite new to this, so be patient with me.
I want to establish a connection via LTE over a SIM7600-H 4G module. The module is built in an IPC, so I have no choice but using this module.
On the IPC ...
0
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1
answer
725
views
Fedora 36 Static IP disappear on network interface
I have the following schema on Fedora 36:
installed on a virtual machine, 2 lan cards - one is to the physical network, the other is a virtual one created in vmware. e.g. ens192 - external network and ...
3
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0
answers
758
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Linux network manager getting two ip addresses instead of one
I have a problem that when I connect to network using NetworkManager in Linux (doesn't happen when using wpa_supplicant but I don't like it) it gets two IPv4 addresses that show up as for example 192....
1
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1
answer
1k
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Connected to wifi but can't ping router (or anything else)
I have a little bit of a different setup, I'm on a laptop with 3 OSes installed, Windows 10, Gentoo and Fedora 36. In both Gentoo and Fedora I use NetworkManager to manages wifi etc. I installed ...
0
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0
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72
views
Is it possible to connect to VPN server using VPN?
I work from home. I connect to office network through VPN. I also have a GIT server that, by certificate, allows to connect only from office public IP, that is via VPN for me. And they are both the ...
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1
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258
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Ubuntu networking: where these routes come from?
I have a WiFi connection (NG5 on wlp2s0) for main Internet surfing and a VPN (Ufficio on ppp0) to "talk" to office network. That's it.
A custom GIT server of mine allows connection only from ...
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139
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Network Manager, check if password is correct and connection is working
I am trying to make a script on a Debian that is checking the password of a said SSID and tries to connect to it for testing that the configuration is ok before disconnecting.
I tried the nmcli device ...
0
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1
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1k
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systemd/NetworkManager - DNS server ordering
My debian installation is using systemd-resolved and NetworkManager. For my home connections, I've configured NetworkManager to set the DNS servers to use:
$cat /etc/NetworkManager/system-connections/...
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98
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Windows 10 Network Credentials not working
So, although connecting to our servers works from all other pc, including a VM that is running on my machine, for some reason my credentials won't work when i try to open a folder on our server.
I ...
3
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2
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4k
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NetworkManager defined HotSpot, can't connect from Android phone
The initial situation is quite simple:
I create a hotspot in a Linux machine: nmcli dev wifi hotspot con-name "John" (see below for the complete script)
I show the password (and QR code) ...
2
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0
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683
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network-manager connection on eth0 is active even when there is no cable plugged to it
I have a device with wifi and wired network. there is one nmcli connection for each network and connection on eth0 has priority over wlan0. the problem is that even there is no cable plugged to eth0 ...
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1
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1k
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NetworkManager upgrade from 1.34 to 1.36 breaks WireGuard configuration "No VPN gateway address received"
This morning I have upgraded networkmanager and libnm from 1.34 to 1.36. Unfortunately my so far working WireGuard VPN configuration shows now:
Feb 25 12:11:50 methadon NetworkManager[642]: <warn&...
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208
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Network manager adds route to vpn host across local network default host
I have a wonderful behavior of Network Manager in debian 10,11 xubuntu 20.04.3 when I trying to connect vpn resource by openvpn or l2tp over ipsec.
If I connect openvpn directly across terminal ...
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2
answers
4k
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Why does NetworkManger pop up nmcheck.org even when i have correctly set up the configuration with uri set on Fedora 35?
I have been facing problem where a default browser window pops up saying nmcheck.gnome.org and then immediately closes. Also the gnome wifi icon at the top right has a question mark on it. I know that ...
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3
answers
4k
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Network-manager: store secrets for automatic openvpn connection
Because I don't have access to a gui, I have added my openvpn password to the network-manager connection using:
$ sudo nmcli con mod CONNAME vpn.secrets "password=MYPASS"
I can confirm the ...
2
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1
answer
2k
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Prevent networkmanager to disable an interface if dhcp timeout when mixed dhcp and fixe ip configuration
I need to find a way for a computer to have both a fixed ip address AND have be a dhcp client on the same interface. So far it works great, I am using Debian 11 and NetworkManager.
The problem, is ...
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0
answers
171
views
Linux device using network manager fails to connect to the network manager AP with a hidden SSID
I created an access point using the network manager with the hidden SSID and it works fine if I want to use it with my android phone, but then trying to connect to the access point using Linux device (...
0
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1
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2k
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Which is the correct key to modify to set a wireless password via nmcli
A number of answers describe how to modify properties of a wireless connection via nmcli (for example https://unix.stackexchange.com/q/316482/16821).
However, I don't know how to determine which ...
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3k
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How to create a 802.11ac access point with NetworkManager?
I'm creating a WiFi access point on the 5GHz band with the NetworkManager on Ubuntu 20.04. My WiFi chipset is an Intel AX200. I use the following command to create the acces point:
sudo nmcli dev wifi ...
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1
answer
32
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Host with identical ips and subnet mask different
Two host with following IP’s. How they will communicate.?
With and without a router.
Case a. 1.1.1.1/24 & 1.1.1.2/24
Case b. 1.1.1.1/24 & 1.1.1.2/32
In case a, they will communicate via switch ...
2
votes
2
answers
1k
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Bonding two wifi interfaces using NetworkManager
I've got two different adapters connecting to the same Network with different speeds. I aim to join their bandwidth since my ISP's bandwidth is far more than what they both receive. I use ...
0
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0
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937
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Wifi mesh in combination with NetworkManager on linux
I need help with wifi mesh on a linux machine.
According to iw phy ph0 info the combination of AP and mesh point shall be possible on my device:
valid interface combinations:
*...
3
votes
1
answer
3k
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NetworkManager - changing global DNS server
So, to start off, this question isn't about the per-connection DNS setting NetworkManager has - this has many answered questions already and is well documented.
What I'm asking about is how to change ...
0
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1
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592
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Can no longer connect to VPN
I have had a working VPN connection for the last several years that mysteriously stopped working yesterday.
nmcli con up id <myconnection>
Error: Connection activation failed: Unknown reason
...
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1
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436
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Internet "Lags" when using DHCP
OS: Archlinux
Relevant Package: NetworkManager
TLDW/TLDR: When using DHCP it takes about 16 seconds to complete 3 pings to www.google.com. But when using a Static IP it takes about 2 seconds.
Recently ...
0
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0
answers
491
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Ubuntu 20.04 / FRITZ!Box 7490 / NetworkManager refuses to establish WiFi connection
I am running Ubuntu 20.04.1 on a ThinkPad T400. Every time I start the computer and it tries to connect to my router (AVM FRITZ!Box 7490) then the connection fails to establish multiple times. After ...
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83
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Network devices manipulation when making a call via Microsoft Teams app
I am having an issue with the installation of the Microsoft Teams app on my work notebook Linux mint 19.3 Cinnamon (5.4.0-54-generic #60~18.04.1-Ubuntu SMP Fri Nov 6 17:25:16 UTC 2020 x86_64 x86_64 ...