Questions tagged [networkmanager]

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nmcli add L2TP IPSEC CLIENT CONNECTION

I have the next connection file for connecting to a l2tp ipsec server from the command line, but always the response is: "Error: Connection activation failed: no valid VPN secrets." Does anyone ...
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18 views

How can I prevent NetworkManager from reassigning my interfaces in Lubuntu?

Occasionally, whenever I boot my Lubuntu 16 (Ubuntu 16 + LXDE) computer, I will find that my typical interfaces of Wired connection 1 and Wired connection 2 are no longer connected to the Ethernet ...
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60 views

Hurricane Electric IPV6 tunnel, TLS handshake issue

Software: Debian 10 (amd64) & NetworkManager 1.14.6-2 created a Hurricane Electric account created a new virtual device via NetworkManager with the provided HE network configuration using ...
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21 views

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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31 views

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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63 views

How does NetworkManager determine which connection to activate?

Assume two or more connections exist for the same device, all having the autoconnect flag set. How does NetworkManager decide which connection should be tried first? Is there a way to give it hints, ...
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207 views

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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12 views

NetworkManager and openvpn - doesn't ask password?

This is on Debian Linux 9, and I use KDE as my desktop. I user openVPN to connect to my work place; I can connect without problems from the command line. I have tried to get it to work through ...
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1answer
172 views

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-...
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1answer
42 views

DHCP connection with an always-available additional static IP via NetworkManager

I'd want an equivalent of the following /etc/network/interfaces config, but done via NetworkManager (or at least giving me chance to control eth0 connections via nm-applet and possibly choose a ...
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108 views

NetworkManager not listing wifi

A few days ago my computer(Arch Linux + Gnome) suddenly couldn't connect to the network, NetworkManager couldn't scan any wifi connection. systemctl status wpa_supplicant output ioctl[SIOCSIWENCODEEXT]...
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97 views

Access web app on Linux server from laptop via ethernet cable, no router

I have a web app on an Ubuntu 18.04 Linux web server, and I simply want to access it from a web browser on my laptop, which is connected to the server directly via ethernet cable. How can I use ...
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40 views

Modify /etc/hosts (or equivalent) when connecting to Network Manager controlled network

Is there some way of having network manager inject additional lines to /etc/hosts (or in some other way add additional dns names) when I connect to specific networks? Motivation: I need to connect to ...
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92 views

How can I get OpenVPN to work with [plasma] NetworkManager?

On Fedora 30, I am trying to get an OpenVPN connection to work with NetworkManager. This does work: sudo openvpn my-vpn.ovpn ...but after importing into NM, the connection cannot complete ("TLS ...
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1answer
34 views

Linux Network device drops and restarts in a loop

I have a decently unique stack I am working through, so any diagnostic/debugging strategies are greatly welcome. Setup: Ubuntu 18.04 desktop, PCIe network card with 2 ports. Two Ethernet camera ...
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55 views

How to configure and connect a IEEE 802.1X EAP-TLS wireless network with ConnMan on Debian 10?

I want to connect with ConnMan on a Debian 10 Mate to a hidden wireless network that uses IEEE 802.1X EAP-TLS. I know his SSID. I have a .p12 extension certificate. I can't set the GUI. So I created ...
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137 views

Default gateway keeps being unset on NixOS 19.09

After switching to NixOS 19.09 (from 19.03), I have wifi problems on my MacBook Pro 9,2. I can switch back to configurations before the NixOS 19.09 build and internet works just fine. When I try to ...
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43 views

Archlinux networkmanager wifi prioritizing not working?

If there are multiple wifi networks available, after startup my laptop connects always to the same, no matter what I type into the automatic prioritizing line, nor does it take the last one used. I've ...
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239 views

openvpn not connecting via network manager in KDE

I am not able to connect to openVPN using network manager in KDE (kubuntu 19.04). The TLS handshake fails everytime. Syslog output: Oct 8 12:35:39 miro-latitude NetworkManager[969]: <info> [...
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184 views

NetworkManager disabled Wi-Fi connection

I've experienced the following issue with NetworkManager. All of a sudden, my wifi connection was lost and NetworkManager Applet (version 1.8.22) unchecked "Enable Wi-Fi" option. I had to manually ...
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84 views

Switching from wpa_cli to nmcli - which systemd services should I enable/disable?

I want to start using nmcli instead of wpa_cli to manage my networking. On my current setup with wpa_cli, I have the following services enabled: systemd-networkd systemd-resolved ...
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18 views

What is the mechanism that sets network control policy for users and groups locally and remotely?

tl;dr I think polkit is the answer but don't understand where the local setting is stored vs. the remote setting. Am I right? If not, what is the correct response. For the record, I'm working with ...
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151 views

Configuring Netplan for Mixed Renderers

So I have multiple devices: eth0, which is my regular Internet Ethernet connection. usb0, which is some junk interface, which should not be configured. usb1, which acts a slave to a bridge. wlan0, ...
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76 views

NetworkManager vpn basic authentication issue on centos7

I'm using gui vpn(cisco) on centos7 by NetworkManager package, after an OS update I faced an issue when try to connect vpn,here is log: Server 'nl.cisadd2.com' requested Basic authentication which is ...
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2answers
762 views

Wifi errors with Network-Manager on KDE Neon

I have a problem with Network Manager when i try to connect it with my hotspot a notification says : no secrets were provided so i have to make my hotspot open in order to connect it, but i face ...
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36 views

disable a specific network or wifi interface conveniently

I have a laptop with an unfortunately weak wifi card. For that reason, I recently bought a USB dongle with an external antenna. Ubuntu LTS with the xfce desktop is used. The internal, fixed wifi (...
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1answer
280 views

Trouble getting a data connection on a Telit LEU910C1-EU modem

I'm trying to connect a Telit LEU910C1-EU modem to get a data connection (over LTE). The module is used via a CM3, the modem itself is plugged into a usb hub. While tinkering around I got the ...
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68 views

Routing doesn't work in case of 'autoconnect' network manager connections

I have a computer with wifi adapter (interface wlp3s0) which can work in access point mode. Using network-manager I've created wifi access point with static addresses: nmcli c a type wifi ifname ...
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1answer
894 views

Openvpn configuration file works with CLI but not with network manager

I have installed my own openvpn server on a remote VPS using the openvpn-install utility and taking all the default parameters. After downloading the output .ovpn file to my client machine, I test ...
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108 views

VPN nameserver remains in resolv.conf after disconnecting

I'm using Network Manager (1.18.0-1) on the Arch Linux system where resolvconf is also present (from openresolv which is a base package netctl dependecy). When I'm connecting to the VPN server via ...
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258 views

nmcli requires password when run in sway or i3 session but not under Gnome

If I run nmcli c up VPNFoobar under a Gnome session, then I do not have to enter any password or whatsoever and my VPN connection is setup properly. However, if I run the same command under i3 or sway,...
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52 views

No 'Add' or 'Save' Button openconnect vpn dialogue Arch linux

I am trying to connect to a VPN using network-manager on arch (WM i3). I am using nm-applet and this works fine to connect me to wifi. I have installed openconnect and networkmanager-openconnect. When ...
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206 views

Switch route with NetworkManager connectivity check

I'm having a hard time getting the network manager connectivity check to work. The goal is to have a failover gateway, and switch between them by increasing the metric on the offline one. To test ...
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88 views

Resolve local DNS names from DHCP server? (NetworkManager touble)

I have a machine running Fedora acting as a LAN/WAN gateway that runs dnsmasq as a DHCP server for the LAN. This works great for the clients, but the gatway machine itself is unable to resolve names ...
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1answer
644 views

nmcli cloned-mac-address for *all* connections

How can I clone the mac address on my linux system using the nmcli command such that it's cloned for all wifi connections? I'm having issues with Network Manager overriding the mac address that I set ...
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70 views

Fedora 29 NetworkManager getting “connection refused”

I've got a VPN that is giving me a strange result. I've set it up in NetworkManager on Fedora 29 (KDE spin, if that matters). When I attempt to connect, the log shows me that a "connection refused" ...
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1answer
429 views

Connect to Saved Wifi Network with nmcli (network-manager command line interface)

In a Linux desktop environment network-manager has a saved wireless network that I connect to manually by clicking the Connect button in the GUI. (It is set intentionally to not automatically connect ...
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1k views

How to setup a 802.11ac hotspot with NetworkManager

Running Ubuntu 18.04 LTS with Intel Dual Band Wireless-AC 8265. I've been trying to setup a 5Ghz ac hotspot to tether my wired connection, but I can't get the hotspot to use 802.11ac. I've set the ...
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1answer
73 views

Debian: Blank screen following login after systemd upgrade

I am running Debian sid with the slim login manager and i3. I recently upgraded systemd. The update removed consolekit and switched to logind. Since that upgrade, the system hangs after login with a ...
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43 views

Assign Static IP to the Raspberry Pi using 'nmcli' or any other tool on Raspbian Jessie-lite

I'm using Raspberry Pi 3 with Raspbian Jessie-lite. I want to assign Static IP to the Raspberry Pi using 'nmcli' or any other tool. Raspbian Jessie-lite comes with wpa_supplicant and other networking ...
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1k views

NetworkManager-fortivpn - adding 'trusted-cert' to config file

Good day. I'm trying to use the package that Ubuntu supplies for Fortivpn. So far as I can tell, it's a plugin for NetworkManager which wraps openfortivpn. The issue I'm having is that I can't seem ...
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1answer
440 views

Connman - Renew DHCP lease

i have a little question. Consider i have DHCP0 server (192.168.1.X) and DHCP1 server (10.0.1.X). I have a board running Linux with connman. Connect my board on DHCP0, start my board. Connman starts ...
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1answer
834 views

L2TP / IPSec couldn't look up L2TP VPN gateway IP address (CentOS 7)

I'm trying to connect to VPN from CentOS 7. I have network-manager-l2tp installed (1.2.10). The output I'm getting: Mar 18 23:46:43 localhost NetworkManager[4790]: <info> [1552949203.6892] vpn-...
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40 views

Apply VPN only to routable internet addresses

How can I convince NetworkManager that a specific VPN is to be used only for traffic outside the local network, whatever that local network happens to be? I have an external VPN service that I use to ...
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1answer
825 views

How do I make persistent changes with nmcli in non interactive mode?

What is the correct way of making nmcli commands persistent? For example: nmcli device modify eth0 ipv4.method auto works but if I reboot the machine this is lost. I know about interactive nmcli> ...
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112 views

Configure wifi connection on physical interface while using access point on virtual interface

I need to remotely configure wifi connection. I thought to run access point, connect to this access point and configure connection with nmcli (NetworkManager). I create ap using create_ap: create_ap ...
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1answer
122 views

Wifi hotspot in NetworkManager not connect after system upgrade

I have a problem with Hotspot Wifi in NetworkManager. Everything was working yesterday. The Hotspot has been operating normally for several years. I made an update of the Antergos system using sudo ...
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1answer
264 views

Manual IP Routes Getting Disabled (by Network Manager?)

I have a situation with a Debian Jessie server where I am manually creating an IP route, and after the first time I use it, it stops working. On my network, I have 192.168.2.0/24 and 192.168.1.0/24 ...
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1answer
1k views

nmcli requires password to connect to VPN when nm-applet is not running

When I run nmcli connection up id VPNNAME when nm-applet is not running it requires a password Warnung: Das Passwort für »vpn.secrets.Xauth password« ist nicht in »passwd-file« definiert. nmcli darf ...
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1answer
48 views

Why does Linux not deliver data to applications when the packets come via a hotspot?

My goal is to intercept traffic with a MITM proxy. To do this, I configured my laptop to host a Wi-Fi hotspot, connected the smartphone, started the proxy, and configured the smartphone to use my ...