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Questions tagged [networkmanager]

NetworkManager is an application tool to simplify the multi network model on a single or multiple interfaces.

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Linux Computer with two NIC on the same subnet mask

Trying to configure a machine with two NIC with different IP addresses on but on the same subnet. only one ip is reachable and the other is not ifconfig shows the following eno1 ip 192.168.0.100 ...
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NetworkManager: on multihomed client specify which interface should provide DHCP hostname

Environment: Many RHEL8 machines, running a default NetworkManager config. Two main networks: on both, DHCP supplies usual info including hostname. Most hosts are single-homed on either one network ...
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nmcli doesn't show some SSIDs while iwlist does

I can't connect to some SSIDs because nmcli doesn't show them whenever I run: ~ via ⬢ v16.15.0 ➜ nmcli d w r & nmcli d w l [1] 29060 [1] + 29060 done nmcli d w r IN-USE BSSID ...
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/etc/resolv.conf gets modified regularly

I'm running Ubuntu 20.04 on my home server (including Pi-hole with DHCP). Frequently, including but not just after reboots, DNS resolution on the system breaks entirely because /etc/resolv.conf is ...
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How do you make a non-root user use openconnect?

Openconnect website does have a chapter called "Running as a non-root user". However, if you read it more closely, you will see that it does not answer the question of how to run openconnect ...
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How to set a VPN connection in nmcli?

I want to use nmcli to connect to a VPN that I typically use Cisco Annyconnect for. I've installed networkmanager-openconnect package (in Arch) and now I want to use it through nmcli. However, nmcli ...
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NetworkManager not auto creating profiles for wired connections

I am running debian 11.3 x64 inside a vmware workstation 16.2. Initially the vm has only one network interface [NAT Switch of vmware] assigned. And it is working pretty well. I tried to add another ...
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Debian 11, the resolv.conf does not save nameserver settings permanently

Debian 11, I faced issue with internet connection not available, and pinging can't resolve domain names. The /etc/resolv.conf file is constantly overwritten by NetworkManager, and after reboot it ...
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Networking.service active failed

I am using Kali Linux. My NetworkManager is enabled. But randomly my NetworkManager or networking.service goes down. Most of the time it's networking.service and my wifi is gone. And Then I'm unable ...
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Networkmanager is populating resolv.conf with incorrect information and I can't override

NetworkManager always sets my DNS server in /etc/resolv.conf to be 192.168.1.1 even though my router address is 192.168.18.1. Manually setting it to the latter works, but is overwritten constantly ...
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How to fix NetworkManager being stuck on "PCI Ethernet connectiong"?

I have a Thinkpad E14 running a current Manjaro. While I can use Wifi just fine, I suddenly have a problem with my ethernet. When enabling ethernet, I see it being stuck on "PCI Ethernet ...
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Wifi on Network Settings is Gone after restarting

I'm using Pop! OS on a HP laptop. I noticed after a restart that WiFi was gone on network manager. I can still connect to WiFi but it does nothing, only ethernet icon shows up on top bar.
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Completely disable NetworkManager from using DHCP client?

I am using RHEL 7.9. This version of RHEL I use nmcli and nmtui to configure network connections. Problem: NetworkManager service appears to be filling up journalctl logs with the following output Apr ...
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How to use ncmli to set proto udp6 for openvpn

I am using kubuntu 20.04 LTS. Network connections are managed by NetworkManager. I am trying to set up a connection to an openvpn server that only has an IPV6 address. I think that "proto udp6&...
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WiFi keeps disconnecting on Linux(Elementary OS 6.1) (WiFi Driver RTL8821CE)

as mentioned in the question, my WiFi keeps disconnecting every 5 minutes or so. I am on Elementary OS (6.1), I had the same issue with Ubuntu 20.04 a couple of days ago before switching. I tried some ...
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Isolated network chain for multiple KVM guests to access the internet

I have more or less 3 VMs (with KVM) that must be "chained" by 2 isolated connections like that : (NAT/internet access) --> |VM vm_A| -- (isolated network in_1) --> |VM vm_B| -- (...
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shows 'no internet' icon on gnome network manager applet

I added [connectiviy] uri=https://nmcheck.gnome.org/check_network_status.txt to /etc/NetworkManager/conf.d/20-connectivity.conf. By doing this, NetworkManager will use https instead of http to check ...
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Unable to install wifi driver after latest parrot OS update [duplicate]

When I try to install the wifi driver it shows the following error. After the latest update I am unable to install realtek rtl_8822ce driver on my parrot os sudo apt-get install git gcc make build-...
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Cannot ping/connect to local ip addresses

I am trying to connect to my server via SSH which did and doesn't work. Then I went onto the server to see if I can ping anything else from the server or if it was something to do with an IP address ...
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Network manager cant see wifi

I cant find or connect to any wifi networks through my DE and through the terminal I'm using a Debian 11 installation that includes non free firmware with GNOME DE on a Thinkpad. The official ISO ...
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networkmanager / nmcli - possible to ignore connection.secondaries for a single connection?

TL;DR - If you have your ethernet connection defined with "connection.secondaries" in networkmanager / nmcli (to auto-connect to a vpn), is there a way to skip / ignore / override the ...
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Using a specific wlan interface with nmcli

I want to connect to a specific network via bssid with nmcli. Using the command: nmcli d wifi connect [BSSID] However this used the wlan0 interface. Is there a way I can force a network interface. (...
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No internet connection via LAN or Wifi

first time installing Kali Linux, so to be fair I don´t have much knowledge of Linux. During installation of Kali Linux my network card was not recognized by the setup and following to that, the ...
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Hotspot / Access Point configuration - embedded Linux

I am running an Ubuntu 16.04 derived Linux on an embedded processor, Yocto build Kernel appears to be 4.14.141 I am bringing up a WiFi Access point on the hardware programmatically from C by enabling ...
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Arch Linux NetworkManager wifi randomly dropping

Overview I have an Arch Linux/Windows 10 dual boot desktop that I have been using for a few years with little to no issue. Just yesterday I had my WiFi connect working for anywhere from 5 to 30 ...
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systemd unit file: dependencies "After=/Before=" don't work

I'm trying to create dependencies between two services described in systemd unit files: a.service has to start before b.service b.service can not start if a.service fails Here is what I have: % cat ...
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nmcli does not show any devices

I have a fresh install of Arch Linux on a Lenovo laptop. I installed NetworkManager, but when I run nmcli d I only see the loopback device. The same result is shown when running ip link. Both the ...
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Gain Internet access with multiple networks configured

I'm running Ubuntu 21.10 and NetworkManager. I have some difficulties to configure my networks. This is the scenario: WiFi, to connect to the local access-point and to provide Internet access ...
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How to prevent NetworkManager from writing timestamps to /var/lib/NetworkManager/timestamps every 300 seconds?

I am building a headless embedded system based on Ubuntu where I need to minimize disk write activities to maximize eMMC life span. I have gotten all things which write to the disk managed with some ...
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Why does networkmanager change device state to unavailable?

Using a Yocto distribution with NetworkManager and NetworkManager-nmcli installed, I am not able to have my wifi wlan0 device leaving the unavailable state. The error message I have is: device (wlan0):...
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nm-applet alternative ? wifi eth conflict ? network inspection tools?

I'm on a Debian box : $ cat /etc/debian_version 11.2 $ uname -r 4.19.0-17-amd64 I have a strange network problem (slowdown or no connection at all) that disappears when I reboot. It seems to ...
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How to edit a VPN using NetworkManager's terminal user interface (nmtui)?

I know that "normal" network interfaces (wired, Wi-Fi, etc.) can be edited using the NetworkManager's command nmtui. For example: nmtui Having said from this menu you can select Activate a ...
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Cannot install network manager

I am having problems installing network manager on Ubuntu 20.04.4 LTS focal. I installed something called snap network manager to restore connectivity but it is causing problems with emulator software ...
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Cant get right to add wifi in nmcli / polkit

I am remote on an ubuntu 16.04 system via ssh. I added the following content to /etc/polkit-1/localauthority/90-mandatory.d/99-network.pkla [Allow netdev users to modify all network states and ...
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My networkmanager not working after booting into windows dual boot pc

I had a fine working dual boot pc. But few days ago I booted jnto windows. From then on parrot os I my network manager fails. Okay so I generally use parrot OS. And I was using it smoothly. But that ...
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NetworkManager: connection is down - how to find the reason (admin or failure)?

I have an ADSL (PPPoE) connection managed by the NetworkManager. It is configured with autoconnect and infinite retries, but unfortunately the NM is not fully reliable. Sometimes the connection fails ...
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Temporary failure in name resolution error

I am trying to connect to the internet, but am facing issues with configuring my network to get rid of an error saying "Temporary failure in name resolution". I am using a hyper-v VM for ...
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How can I get my internet connected? [ Kali Linux ]

I'm new to linux and am running a fresh install of Kali Linux on hyper-v and am having issues with connecting to the internet via my ethernet cable, which appears when I run ifconfig. I am confused on ...
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Wifi option is not showing in kali linux

I have a dual boot with windows and Kali-Linux. after installing kali Linux, the Wifi option is not showing and also not able to connect to the internet. so, not able to download any packages. after ...
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After reinstalling NetworkManager internet connection is not working. Only dhclient usb0 works. VPN connection says it's connected but it's not

I had a problem with dropping internet and vpn connection on ubuntu 20.04. Because of that i decided to reinstall network manager according to this anwser. I executed following commands sudo apt-get ...
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nm-applet does not list own hotspot after having disconnected from it

I created a hotspot (to share my LAN network over WLAN) using nm-applet and it works quite fine. However, after disconnecting from my own hotspot (= stop being access point for other devices), I ...
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RTNETLINK answers: Connection timed out

I installed arch and everything works fine except for the wifi. When I try to bring the interface up with ip link I get the following answer: # ip link set wlp3s0 up RTNETLINK answers: Connection ...
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iwd periodically turns off

I use iwd for my network manager. Whenever I stop using my laptop for a long period of time and come back I notice that my connection is dead and I have to run sudo systemctl restart iwd to get it ...
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Network Manager wifi not available

I have installed NetworkManager on my Arago linux machine. NetworkManager seems to bring up the ethernet interfaces fine, but the wifi interface is unavailable. root@machine:~# nmcli d DEVICE TYPE ...
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eth0 configuration missing on Oracle Linux | cabled connection not working

I have installed Oracle Linux 7.9 on my laptop (not VM, just normal installation on an unused laptop). The WIFI connection works great, out of the box, no settings done beside just connecting to wifi. ...
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Connect Linux Server to VPN

I've got an server on AWS using Lightsail that uses Linux 4.19/Django OS/app combination. I need to use the Django framework to create a function that will take requests coming into the server, and ...
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"Connecting...", "Connection failed. Activation of network connection failed" How to find out what does it mean exactly? (ping works)

I've connected two PCs running Linux Mint 20.2 with NetworkManager with Ethernet cable. On enabling the interface PCs obtained ip6 addresses and I'm able to ping one from another. But I'm getting ...
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How do I fix this two IPv4 addresses on one interface problem?

I set up an older debian machine to work as a router between a cisco AP and our fiber ONT. It seems to work for all my devices now except for my Arch laptop. The router is running some nftable rules ...
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Qualcomm Atheros Killer E2500 Gigabit Ethernet - Only Achieving 100mb Half-Duplex

I'm attempting to use Debian 11 stable with free drivers, but I'm having lots of trouble with my networking card: Network: Device-1: Qualcomm Atheros Killer E2500 Gigabit Ethernet vendor: CLEVO/...
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Fully Set Up Network Manager on Awesome Window Manager

On a debian 11, with no desktops installed, how do you get network manager running for Awesomewm? I have internet after I log into awesome, but it isn't through network manager, and even when I run ...
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