Questions tagged [networkmanager]

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

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Huawei me906e broadband model connects fine, but the network doesn't work

I have a Huawei me906e broadband modem (in a M.2 to USB adapter). In this modem I inserted a SIM card which I previously tested in my phone and it works fine. After several obstacles I managed to have ...
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firmware crash qca6174 hw2.1

Everytime my laptop goes to sleep (low battery), wireless adapter crashes. This makes the system completly unusable. I cannot remove the driver, kill it, or restart NetworkManager. I cannot reboot ...
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Can't connect to openvpn using networkmanager on Debian

I'm having a problem with connecting to my OpenVPN server on Debian 9. Whenever I try to connect via NetworkManager it just does not work and loops until it times out. I think it's a problem with my ...
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systemd unit config that waits for PPPoe connection

On Ubuntu 16.04LTS I'm having trouble getting my service to wait for my PPPoe internet connection before starting. My unit file: [Unit] Description=Home Assistant Wants=network-online.target After=...
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How to install specific NetworkManager package in Linux

While installing the NetworkManager package to a specific version it's always recommending to install stable NetworkManager package. Example- If I am trying to install: # yum install NetworkManager-...
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223 views

In Mint 19.1, how do I bond an ethernet and a wifi adapter?

In Mint 19.1, I can see in "Network Connections" that I can bond 2 ethernet adapters. How do I bond an ethernet adapter and a wifi one without completely disabling the GUI configuration of networks? ...
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262 views

nmcli won't let me remove DNS entry from /etc/resolv.conf

Centos 7.5, nmcli version 1.20.2 Whenever I try to remove entries from /etc/resolv.conf I get the following errors. [root@client ~]# cat /etc/resolv.conf # Generated by NetworkManager search home ...
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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 ...
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895 views

firmware-iwlwifi missing in debian 9

I have just installed debian 9 on my msi laptop. It is the only OS on the computer. While it was installing I had no network access and it stated that it could not find the firmware iwlwifi-3168-26....
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Network Manager: use gnome keyring to store WPA Enterprise CA cert

I am using a network which is a WPA2 enterprise WiFi network using PEAP and MSCHAPv2. The certificates are self-signed, so I have received a .pem certificate file which has to be selected on the ...
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565 views

Where does Network Manager store settings?

When I type: nmcli con show wlan0 One of the settings is: 802-11-wireless.band: bg Where is this setting stored on disk? It isn't in: /etc/sysconfig/network-scripts/ifcfg-wlan0 ...
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Network-manager randomly timeout

I'm currently using my phone as a wireless AP to acquire the Internet on my laptop which is currently on Debian Stretch. I can use multiple SIM card on my phone, and I happen to switch between them ...
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124 views

what nmcli command shows interfaces belonging to bridge

I've created bridge br0 and added interfaces eth0 and eth1 to this bridge nmcli con add ifname br0 type bridge con-name br0 nmcli con add type bridge-slave ifname eth0 master br0 nmcli con add type ...
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1answer
181 views

Network manager registering thousands of IPv6 addresses

I was noticing Network Manager and nm-applet were taking a lot of CPU, and in the process of inspecting it, I ran ip a. There were thousands of temporary addresses associated with my Ethernet device. ...
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33 views

Centos 6.7 in a laptop does not detect network interfaces but detect network hardware

I am installing CentOS 6.7 in my laptop, I have Windows 10, Centos 6.7 and Ubuntu 18 installed, but CentOS is the only OS that is not detecting any network interface, wired neither wifi. I used ...
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Why guest centos ping gateway but can't ping dns 8.8.8.8?

I have installed centos 7 on vmware which itself is installed on ubuntu 16 I want to connect to internet using nmcli (network manager), I have done the following : nmcli connection add +connection....
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55 views

Do the default settings of NetworkManager detect if there is a conflicting IPv4 address on the network?

Added support for detecting duplicate IPv4 addresses, with a timeout configurable through the ipv4.dad-timeout connection property. -- NEWS dad-timeout / int32 / -1 Timeout in ...
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221 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 ...
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Have to restart dhclient on enterprise network each time lease expires

I connect to a WPA2 enterprise network on Debian Jessie using Network Manager on dhclient. It works fine until the lease expires: Feb 04 15:52:31 arjun-thinkpad NetworkManager[26926]: <info> [...
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1answer
1k views

Can't start network.service after removing NetworkManager

I have this problem that I can't fin a solution on the internet. I have a centos 7 server with cpanel and whm. I deleted the NetworkManager and wanted to turn on network.service. Then I always get ...
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196 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 ...
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1answer
799 views

Kali Linux - Wired connection failing unless machine gets restarted

I am using the newest version of Kali Linux (2018.4) but I have the following unusual issue. If I boot my machine up with the ethernet cable plugged in, the eth0 interface works just fine. However, if ...
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591 views

Netplan disable default route on interface

I have 4 interfaces on my netplan set up for DHCP (3 vlans and one main interface). This generates 4 "default" routes where it is a bit random which is first but all have the same metric. So I ...
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1answer
368 views

OpenVPN config and Network Manager - Key file contains line 'ca ca.crt'

I'm trying to import my OpenVPN configuration to Network Manager via GUI. I am aware that it does not process configurations with inline certificates, so I separated them via script, and CA ...
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1answer
327 views

Trouble connecting to open wifi networks in Arch Linux

I have two open WiFi networks in my building, call them A and B. I have lived here for over two years and they have always worked, but now (after being away for a while) I've been experiencing ...
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119 views

Which resolv.conf is mandatory and how can I influence this?

When I use my home WiFi my Network Manager constantly loses connection to the right nameserver. It looks like it has lost the connection at all, but disconnect and connect manually gives me access to ...
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62 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. ...
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1answer
729 views

Disable Wifi on Connection to Ethernet with NetworkManager

How can I disable my Wifi radio when I've connected to a network via Ethernet (wired), but enable the Wifi connection if I don't have a wired connection? Essentially, I want XOR switch for my wired/...
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1answer
110 views

How to install dev version of network-manager on Debian? [closed]

How do I install a newer, dev version of the network-manager version on Debian derived systems? It seems to I have to buy the "kitchen sink" of all unstable packages to get just one. I'm specifically ...
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1answer
45 views

How to determine what hardware is associated with what network interface

I have an inbuilt network card and a Wi-Fi dongle. I use wpa_supplicant, hostapd and the likes to operate them. The trouble is that sometimes the dongle is wlan0, and sometimes it is wlan1 (...
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96 views

Network Manager doesnt find wireless network

I'm using Debian 9 Stretch, i provided my wifi ssid and pass on the installing process, and it works, but NetworkManager doesn't work properly finding another wifi. This is my /etc/NetworkManager/...
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358 views

How to reload NetworkManager after installing NetworkManager-wifi

I have a wireless card installed and nmcli reports that it is "unmanaged" with text in red that a "plugin is missing". Googling around led me to identify that I need to install the requisite "...
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1answer
2k views

RHEL 8 Deprecated Network Scripts

I was reading about RHEL 8, and this statement is made: Network scripts are deprecated in Red Hat Enterprise Linux 8 and they are no longer provided by default. The basic installation provides a ...
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3answers
727 views

wpa_supplicant not connecting anymore to eduroam

since a few weeks (probably after a dist-upgrade) my machine can't connect anymore to 802.1x networks. I'm using Debian Buster with i3, but using nm-applet. I've also tryied to connect directly with ...
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2answers
376 views

ip-tools vs old ifconfig

When after I change dhcp to static in network-scripts and then I restart servicesystemctl restart NetworkManager. The static ip settings suppose to be updated but it doesn't. so I try ip link set ...
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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 ...
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2answers
66 views

Debian refuses to switch to a different WiFi network

I have multiple WiFi networks in range that are set to automatically connect when available, in case one fails. Whenever I try to manually connect to one of them while being connected to another (for ...
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222 views

NetworkManager VPN timeout

I have a strange issue with NetworkManager. My Linux box is an openSUSE LEAP 15. Network is provided by NetworkManager. The local ethernet connection has static configuration. And I have a VPN ...
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117 views

Spoofing MAC address with NetworkManager: cannot connect

I tried to spoof my MAC address by adding [connection-mac-randomization] wifi.cloned-mac-address=random to /etc/NetworkManager/NetworkManager.conf -- and restarting NetworkManager, but after this I ...
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167 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, ...
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29 views

NetworkManager won't let me change my network settings, how can I do it (using NM)?

I use NetworkManager and I experience what apparently is a non deterministic behavior with respect to what I'm permitted to do, in particular sometimes I can switch the wireless and the networking, ...
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1answer
44 views

Any way to swithc default rout to vpn when connecting?

I'm using gnome NetworkManager and connectiong via openconnect to a vpn server, but my default rout is not changing when i'm connected and all traffic goes around vpn. Can i somehow make ...
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1answer
424 views

New Intel i350 NIC not detected by system, but appears in lspci - Possible Intel IGB issue?

I'm running into an issue where a new network card isn't being automatically detected by the OS. I recently purchased an Intel I350 gigabit network card. I have purchased this card before and I have ...
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1answer
380 views

How to set persistent static routes in KDE desktop system with NetworkManager and systemd?

I have two NICs. In NetworkManager > IPv4 > Routes, I checked "ignore automatically obtained routes" for both interfaces. Then I used these two commands: $ sudo ip route add default via 192.168.1.1 ...
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4k views

How exactly are NetworkManager, networkd, netplan, ifupdown2, and iproute2 interacting?

I am learning about Linux networking on my Kubuntu 18.04 workstation, and I see there that both NetworkManager and networkd-dispatcher are running: oleg@eclectic:~$ sudo ps -ef | grep -i net root ...
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1answer
102 views

Systemd boot hangs after disabling NetworkManager

I disable Network Manager via systemctl disable NetworkManager and reboot. The boot process hangs. Via whatever means, I access the filesystem, create symlinks with ln -s /etc/systemd/system/multi-...
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752 views

nmcli - save wifi connection

I used command-line tool for controlling NetworkManager (nmcli) to "Turn On Wi-Fi Hotspot", like following: # nmcli device wifi hotspot ssid X password X ifname wlan1 Device 'wlan1' successfully ...
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1answer
42 views

How can I let NetworkManager connect to Ethernet when I'm not logged in?

I've a Intel NUC6i3SYH running Debian GNU/Linux Unstable. It's connected to the internet through Ethernet. I'm using NetworkManager, but it only connects to the internet when I'm logged in. How can I ...
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30 views

Mobile Broadband for only one host

What is the easiest method to configure a mobile broadband connection in a way that: no default route is added a route to a specific host is added The connection is managed by Network Manager. The ...
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2answers
111 views

Using an external WWAN modem instead of the inbuilt one

I have a Dell Latitude 7280 on which I'm trying to install Linux. One problem is that I've only mobile broadband. ATM I'm trying to install NixOS but it's unclear if I'll keep it (haven't tried it yet)...