Questions tagged [networkmanager]
The networkmanager tag has no usage guidance.
212
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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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32
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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 ...
- 276
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51
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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 ...
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148
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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 ...
- 51
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2
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127
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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 ...
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44
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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 ...
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332
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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 ...
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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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334
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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 ...
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379
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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 ...
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57
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Simultaneous OpenVPN Server & NetworkManager VPN Client
I'm pretty new to networking and VPNs so this may be a dumb question but still would appreciate any help. I'm having some issues working my VPNs, I have two VPNs running on my machine.
A OpenVPN ...
- 351
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48
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New wifi network for a headless box
I have this headless PC with a debian derivative (LMDE5) which can detect and connect to my smartphone Access Point, because I configured both SSID and wifi password before removing both keyboard and ...
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321
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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....
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807
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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 ...
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45
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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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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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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 ...
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813
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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/...
- 183
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45
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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 ...
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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) ...
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319
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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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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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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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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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2k
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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 ...
- 103
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902
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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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125
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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 (...
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907
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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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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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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 ...
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2
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707
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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 ...
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584
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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:
*...
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2k
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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 ...
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438
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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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255
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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 ...
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335
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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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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 ...
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the ECDSA host key for 'xx' differs from the key for the IP address 'xx
I get this warning often because a computer is using DHCP and is getting a different IP than before. I know how to deal with it on a case-by-case base but would like to understand the appropriate ...
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2k
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How to automatically enable wifi 4addr (WDS) mode before connecting to specific SSID or network?
I have a laptop on which I have setup a bridge interface between the Ethernet and WiFi devices in order to connect non-WiFi devices to the network before they go into their final, wired, position. I ...
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95
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GSM connection fails - NetworkManager
I am trying to achieve the gsm connection through my single board computer. I think I set up everything. Below is the output of the modem info:
--------------------------------
General | ...
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Avoiding autoconnection to "free" WiFi networks
I'm using Linux with NetworkManager.
I want to allow auto-connection to WiFi networks only if the networks want a password. I want to avoid auto-connection to "free" networks, but manually ...
- 473
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356
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Raspbian - Network Manager maps modem to an ehternet and not PPP interface
I have a very interesting problem: I'm trying to achieve cellular connectivity on RPi4, with a modem (Telit LE910C4-EU). For this purpose I'm using modem manager & network manager:
apt-get update
...
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117
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How to make NetworkManager/nmcli show only non-default settings
I want to check the settings of a specific NetworkManager connection "myconn". I can do this:
nmcli connection show myconn
Then it shows me several dozens of setting values which most of ...
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113
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Internet not working after enabling Power on by PCI-E
I tried to setup wake on lan for my Ubuntu 19.04 PC. According to the docs I should enable "Power on PCI-E" option in a BIOS. Which i did. Set up ethetool and so on. After some time I ...
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293
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How is default routing interface determined
TLDR: default routing interface is somehow determined by internet availability on one of the physical interfaces, the question is how exactly.
Setup: embedded Linux ARM board with two network ...
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111
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How can hostname be controlled reliably in Linux?
I am attempting to ascertain and control actual hostname during dhcp AP association.
Changes to the /etc/hostname file break sudo.
An inspection of journalctl -u NetworkManager shows Network Manager ...
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217
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Problems connecting to the Internet with NetworkManager
I'm using ArchLinux with Network Manager to connect to the internet through wifi, but sometimes, even if it is still connected to the wifi, I can't reach websites.
I searched a lot on the net to see ...
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NetworkManager has stopped working
Whenever I load Windows 7, the window "NetworkManager has stopped working" pops up. Here are the problem details...
Problem signature: Problem Event Name: CLR20r3
Problem Signature 01: ...
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QEMu / KVM: error: Unable to add bridge tap0 port vnet0: Operation not supported
In order to fully understand how the networking part works inside QEMU/KVM software virtualization environment, I decided to try to manually set up a the networking part, more or less simulating what ...
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dnsmasq listen on 0.0.0.0 when started by NetworkManager
Is it possible to configure NetworkManager or dnsmasq to listen on 0.0.0.0 when dnsmasq is started by NetworkManager process ?
I have noticed whatever I put in /etc/NetworkManager/dnsmasq.d/00-...
