Questions tagged [networkmanager]

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

248 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
13
votes
1answer
4k views

Random “deauthenticating by local choice (Reason: 3=DEAUTH_LEAVING)”

I'm running uname -r 4.10.6-1-ARCH on my dell XPS 13 developer edition (2014). I'm currently having strange problems with my wifi (I use Networkamanger with nm-applet for KDE): 1) at the most ...
7
votes
1answer
2k views

nmcli no longer allow settings modification?

When I try to modify network manager settings with nmcli, it says Error: 'con' command 'modify' is not valid. So if nmcli con modify XXX command is no longer supported, what is the substitute? EDIT ...
6
votes
4answers
9k views

Elementary OS shows WiFi networks, but won't connect

In the top bar, clicking the network icon shows a list of networks. My school's network, which on Windows I would connect to, and then visit a login page in Chrome in order for it to work, shows on ...
5
votes
0answers
1k views

Cannot connect to WiFi with nmcli, although secrets are provided

I am using nmcli on ArchLinux (version 1.14.5dev+17+gba83251bb-1 from the official package repository) to connect to wifi. This works perfectly for all wireless networks apart from this one Vodafone ...
5
votes
1answer
5k views

grub recovery mode: etc/resolv.conf: no such file or directory

I’ve installed Ubuntu 16.04 on my laptop a few months ago and suddenly I can t get past the splash screen. (I see the red dots gradually becoming white and vice-versa, so something is happening, but ...
5
votes
1answer
4k views

How to debug DHCP timeout on WiFi connect

I've recently moved to a place with public wifi (so I don't have access to the router or their DHCP config), and am running into issues connecting with my Arch laptop. I've tried using both ...
5
votes
1answer
718 views

Use network-manager in different netns

In continuation of my last question about using netns as a relugar user, I'm now looking for a way to open VPN tunnels as a regular user. So I naturally thought about network-manager. Any user can ...
4
votes
0answers
1k views

NetworkManager Default Connection Settings

I'm trying to modify NetworkManager's default DNS settings so that whenever I add a new connection it uses 127.0.0.1 instead of the default DNS for that connection. I still would like to be able to ...
4
votes
0answers
379 views

Where can I set advanced settings (like fast_reauth) in network-manager?

Is there any possibility to change "advanced" default settings in Linux Mint's network-manager (like fast_reauth=0)? I can see that there are config files in /etc/NetworkManager/system-connections/, ...
3
votes
1answer
307 views

Modemmanager 1.10 <info> Couldn't check support for device '/sys/devices/pci0000:00/0000:00:1c.2/0000:02:00.0'

Machine: Acer Chromebook 14 CB3-431 Trying to write a udev rule to simply ignore the onboard Intel Wireless 7265 (Dual Band Wireless-AC 7265) On boot, modemmanager hangs the boot process with this ...
3
votes
1answer
4k views

Network Manager works but wlan is unavailable for nmcli

I could connect to my router using the network manager gui on my raspberry pi without any problems. But when I try to do this using nmcli the wifi connection is unavailable (before I connected using ...
3
votes
1answer
153 views

Network manager misses my network card

I've got the following network card: Bus 001 Device 002: ID 12d1:1506 Huawei Technologies Co., Ltd. Modem/Networkcard It's accessable through ip tool and properly works with dhcpcd (3rd entry in the ...
3
votes
1answer
844 views

NetworkManager corrupted ipv6 dns settings

Today, I started having most web sites failing to load in browsers. Checking my network settings, I discovered those strange settings in ipv6 tab: Switching back to my usual dns for ipv6 (Google's ...
3
votes
0answers
2k views

Why can't Fedora start my (hard wired) network?

FYI: I've asked this on Superuser but not luck so I'm trying here. I'm not sure which it is more relevant to. I have a hard-wired Ethernet card/cable to my hub. I start Fedora 23 but there's no ...
3
votes
0answers
580 views

Changing Fedora's builtin Hotspot mode to 5GHz

I am using Fedora 22 and in the WiFi settings, I can enable a HotSpot. I found the /etc/NetworkManager/system-connections/Hotspot file, but I do not know what I can do there. I want the hotspot to ...
3
votes
0answers
545 views

Prefer wired over wireless for local subnet using NetworkManager

My wireless network is bridged to my wired network, so both have the same subnet. How do I tell NetworkManager to give the local subnet route on the wireless interface a higher metric than the route ...
3
votes
1answer
4k views

nmcli connection activation failed

I was able to create a wifi hotspot on my debian 8 install using network tab under gnome settings. I was trying to do the same using nmcli but it always shows $nmcli con up id Hotspot Error: ...
3
votes
0answers
734 views

Can I configure specified PEAP in network-manager

Here's the wpa_supplicant.conf file: ap_scan=1 network={ ssid="<SSID Name>" proto=WPA2 key_mgmt=WPA-EAP pairwise=CCMP group=CCMP eap=PEAP phase1="peaplabel=0" ...
3
votes
1answer
1k views

CentOS network connection breaks every 5 min

I installed CentOS 6.2 about a month ago and it worked fine. Two days ago I saw that the internet connection is broken, so I reconfigured it. I was able to use it but after a few minutes it broke ...
2
votes
0answers
25 views

How to avoid extra routes from Network Manager?

On my home wireless network, network-manager adds extra routes compared to wpa_supplicant, which causes IPv6 hosts on the local network to be unreachable. Route table is shown below, note that network-...
2
votes
0answers
30 views

Wired Connection Fails, but WIFI is fine

Installed Debian yesterday and have had a pleasant experience except for my inability to get the Wired Connection working. I have a Wireless connection that connects and allows me to access Internet. ...
2
votes
1answer
42 views

What is creating these br-##### bridges?

What is creating these bridges (as visible in the NetworkManager) upon start? I have to delete them all every time in order for internet connectivity on a certain WiFi point to work, and as far as I ...
2
votes
0answers
635 views

Bring interface up even if link is down (no carrier)

My system is a Dell PowerEdge T140, running Ubuntu 18.04.2. I have a service that depends on the host's primary IP address, and that service fails to start if that address is not configured on the ...
2
votes
0answers
94 views

Network-/ModemManager doesn't unlock SIM automatically

I use nmcli to set up a gsm connection in Ubuntu 16.04. Configuring this connection I set the gsm.pin property and auto-reconnect is enabled. When nmcli tries to connect it says that the modem is in ...
2
votes
0answers
284 views

NetworkManager fails to connect with a cloned MAC address

I need to spoof a specific MAC address to be able to connect to the local ethernet. So I filled in the "Cloned MAC address" field in nm-connection-editor. After this, nm-applet shows a spinning icon ...
2
votes
0answers
65 views

Use DHCP-provided DNS or not based on connected network

My current networking setup (on Arch Linux) involves: stubby to resolve DNS requests with DNS-over-TLS. dnsmasq to cache DNS queries (and nothing else). openresolv to manage resolv.conf. ...
2
votes
0answers
193 views

automatic mac address randomization on up-to-date Debian 9.5 with 4.18-amd64, Intel wifi 7260, NetworkManager, KDE/Networks fails?

I am trying to have a random mac address by default before I connect to any network. My results are ambiguous. 1. My approach 1.1) updated my box to the latest backported Debian 9.5 (as of 23 Oct, ...
2
votes
0answers
80 views

Not able to see wifi interface in ifconfig in centOS 6.5

I have added a wifi adapter to my CentOS 6.5 box but I am not able to see it in ifconfig output. Wireless adapter in dmesg output [root@testldap log]# dmesg | grep -i netgear usb 1-1: Product: ...
2
votes
1answer
2k views

Use nmcli to display the status of a connection

I'm wondering how to display a connection status using nmcli. I understand that the following will display a list of configured connections: nmcli con show And I also understand that the following ...
2
votes
0answers
57 views

Debug friendly alternative to NetworkManager?

NetworkManager is great, when it works. When it fails I find it completely impossible to debug. Is there an alternative that is similarly easy to use, but which also shows you what is being run, so ...
2
votes
0answers
141 views

Network Manager user-side dispatcher scripts

This answer gives a solution to run scripts when a connection has been set up by NetworkManager. However, I'd like to run my script (that auto-connect to some special kinds of hotspot) as a non-root ...
2
votes
2answers
4k views

How to enable wireless support in Mint Cinnamon 18.2

Summary: I have a usb wifi adapter plugged in and recognized by the kernel, but there is no where in the UI to configure it. The computer is a 4+ year old HP desktop (i7-4790S CPU, 16GB RAM). More ...
2
votes
0answers
865 views

Missing openvpn routes with network manager

I'm trying to setup a VPN using network manager. When I run openvpn manually with my config, it works fine (sudo openvpn --config MyVPN.ovpn). Then when I print the routes (sudo route -n), it gives me:...
2
votes
0answers
252 views

Does Networkmanager support encrypted private keys?

I am trying to improve wifi security and recently changed to wpa2 enterprise using eap-ttls. Works fine so far, but I do not like the idea of all passwords (hashed or not) sitting on my radius server. ...
2
votes
1answer
616 views

Unable to connect to USB 3G Mobile Broadband

I am using Arch Linux, Trying to connect to internet using my D-Link mobilebroadband. ( using NetworkManager and ModemManager ) I configured it using GUI ( setting APN/Network -Vodafone etc.. ) But ...
2
votes
0answers
563 views

veth pair from a single physical nic

I'm trying to setup an all-in-one Openstack kolla on a CentOS-7 with a single physical NIC, but I cannot manage to setup the network for VMs to get ips on the same LAN as the host. According to the ...
2
votes
0answers
3k views

Network manager not taking dns-search into account for VPN, GNOME Ubuntu 16.04.1 LTS

/etc/NetworkManager/system-connections/ I have a VPN configured with the following ipv4 config (I replaced the real domain names by fake ones) [ipv4] dns=19.0.0.1;19.0.0.2;19.0.0.3; dns-search=...
2
votes
0answers
352 views

run gvfs-mount as user in a script owned by root for networkmanager dispatcher

I'm trying to create a script to auto mount using gvfs-mount for NetworkManager dispatcher. The dispatcher requires the script to be owned by root. Running gvfs-mount smb://path/ works in terminal as ...
2
votes
0answers
714 views

Wifi interface recognized as ethernet

I am having trouble setting up my wifi configuration persistently. I have tried both netctl and NetworkManager and both only work after manual setup. What I find especially weird is that ip link ...
2
votes
1answer
655 views

unable to add IPSec IKEv2 profile on Fedora 22/23

it should be something really simple, but I cannot add IPSec IKEv2 profile in Network Manager settings, Add button is greyed out. Does anyone know?
2
votes
0answers
674 views

Manually configure Link-Local IPV6 regardless of ISP

The long and short of it is we have a system with a single ethernet port and we need to provide both an IPV4 connection (that can be completely incontrol of the user and varies per system) and we want ...
2
votes
0answers
640 views

How can I ensure DNS resolved common URL-s on Linux Mint and DNSmasq

I am experiencing a problem with Linux Mint 17.2. Some experiments demonstrated there's some issue with resolving URL-s. update 2015-12-02: Perhaps some one who understands this problem can comment ...
2
votes
0answers
90 views

How to kill all vpns on switch user Mint 17.2

I'm using mint 17.2 cinnamon. I'm not particular about the method, just want it to stop all vpn connections (openvpn, listed in network manager) when I switch users or logout. nmcli doesn't provide ...
2
votes
1answer
76 views

Error on DSL Connection

I tried to DSL connection on my laptop. I use Debian mint. I used username and password too. But when I click on the icon it shows "Unable to connect DSL with error "(1) Creating object for path '/...
2
votes
0answers
605 views

wifi - maximum number of pending replies per connection has been reached

Sometimes, my wifi internet connection gets interrupted which i can see when the leds in the wifi modem goes off. Now, when the connection resumes (i mean, the green led starts glowing in the modem),...
2
votes
0answers
4k views

OpenVPN client config: Route command fails

I want to connect to my company's VPN server, so I can access work resources. I'm running Ubuntu Gnome 15.04, and I've been given an ovpn-file. I installed OpenVPN and run sudo openvpn --config ~/...
2
votes
0answers
736 views

How to trigger dhcp4-change using nmcli?

I am working on a networking script which will do certain things, e.g., interface up/down/dhcp4-change events happen. I also need to generate these events through Network manager, not through ...
2
votes
1answer
926 views

How to avoid duplicate connection names? (32) Connection 'Auto Ethernet' is already active on enpXXX

Is there any way that I can make networkmanager to assign some unique names or device derrived name instead of Auto Ethernet so that we can avoid the names conflict? After I've upgraded to Ubuntu ...
2
votes
1answer
625 views

Fedora 20 KDE: shortcut for airplane mode

is there a possiblity to have a Keyboard shortcut (e. g. fn + f10) for the airplane mode (Switch off all wifi Connections) under KDE (Fedora 20)?
2
votes
1answer
845 views

How can I configure the default transmission rate for 802.11 (“WiFi”) in Debian 7 GNU/Linux?

I need to lower the transmission rate of my IEEE 802.11g network interface controller to have acceptable packet loss ratio (< 0.5 %), otherwise it becomes very high (> 50 % is ...