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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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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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20 views

Not connecting to wifi [on hold]

Yesterday when I turned my laptop on the wifi icon was disappeard so I cheched setting and See an error[NetworkManager needs to be running] So I tried: sudo /etc/init.d/network-manager start But it ...
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Linux Mint Internet Not Working [closed]

Linux Mint 18.3 Cinnamon 64bit Mint Version 3.6.7 Kernel 4.10.0-38-generic HP Notebook 15 Output of lspci -nn | grew 0280 '02:00.0 Network controller [0280] : Realtek Semixonductor Co., LTD ...
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Windows network configuration not working on Linux

I'm trying to configure my network on my Linux Mint OS. I've been able to do it on Win10 and it's shameful I'm not able to do the same on Linux.. I describe my situation. I have a router-modem ...
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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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18 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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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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20 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
30 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
99 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
23 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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97 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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36 views

Run multiple (isolated) instances of NetworkManager

I need to do network-measurements of mobile broadband connections. I'm using ubuntu and I'm planning to use network namespaces to isolate my measurement environment from my host system (to reduce any ...
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1answer
26 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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1answer
40 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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27 views

Subdomains get NXDOMAIN on Ubuntu Desktop 16.04

Problem Many (or all?) subdomains like files.slack.com and guide.elm-lang.org get DNS_PROBE_FINISHED_NXDOMAIN on Chrome. Using nslookup returns: Server: 127.0.1.1 Address: 127.0.1.1#53 ** ...
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16 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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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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28 views

WiFi connect remains stuck and then fails on “configuring interface”

I have a notebook with an Intel 7265 (Rev 61) WiFi chipset, on which I run Kubuntu 14.04 with a home-build 4.14 kernel. I also have a TrueOS 18.03 (FreeBSD 12 based) install on another partition. I'...
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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)...
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1answer
48 views

nm-applet does not respond to clicks on the tray icon unless started with sudo

I'm running an Archlinux system with i3 as a window manager and nm-applet does not display an icon or respond to mouse clicks. It used to in the past, and does on some other systems with (as near as I ...
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78 views

Removing dns=dnsmasq from NetworkManager.conf not working since upgrading to 18.04

I'm having an issue in which my /etc/resolv.conf points to localhost. Ideally, I'd like to be able to change my DNS settings through my distros settings UI, and have the DNS servers updated directly ...
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13 views

airodump-ng command is not capturing any dates

I am using Fedora 28 directly dual booted with Windows 8.1. My wireless network is working fine in normal mode (on/of/connect/disconnect), but when I run airodump-ng its not capturing anything. My ...
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Wifi applet in Raspbian wrongly says that I am not connected to internet

I have a Raspberry Pi 3B with Raspbian Lite (Stretch) installed. I've connected to my wifi via command line and installed MATE and now I am adding some things to the desktop like the wifi applet. I've ...
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1answer
37 views

How do I specify the order that Network-Manager populates /etc/resolv.conf

Network Manager is posting the correct name servers and search domains into /etc/resolv.conf when I restart the network. However, it is not in an order I like. How can I tell Network Manager to ...
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1answer
65 views

How to simultaneously connect to two different networks via WiFi access points (laptop with one WiFi card)

I wish to use a laptop and simultaneously connect wirelessly to an intranet and to the Internet. Assume the subnet IP address ranges are 192.168.0.X for the network with Internet access and 10.10.0.X ...
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1answer
42 views

Which programs configure the network based on the settings in /etc/network/interfaces?

I have installed Stretch and I find that NetworkManager gets in my way more often than not, and I would rather familiarize myself with network interface administration at a lower level based on the ...
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1answer
23 views

NetworkManager Displaying Wrong Security Type

I am working on an application that sends a reconfiguration command to its access point. The access point should reconfigure itself from being protected by WPA2 to being an open network. The access ...
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1answer
44 views

Is there a display manager that allows setup of wifi connection before logging in?

I'm working on a pam_ldap solution for laptop users, but of course it won't work unless wifi is connected. I won't know ahead of time what wifi network users will be on. I want to emulate how ...
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NetworkManager doesn't read a new domain in ifcfg-eth0

I'm using a RHEL 6.7 and I need to add a new DOMAIN to resolv.conf that is generated by NetworkManager. In /etc/sysconfig/network-scripts/ifcfg-eth0 there are already other domains that are in resolv....
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32 views

Debian Stretch / Gnome Network Manager: select network interface for sftp

So I have a computer running Debian Stretch; it needs to network to a Raspberry Pi on eth0 using a static IP (e.g. 192.168.0.x), while being able to grab files via sftp using a mobile broadband modem (...
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257 views

Not able to see wifi interface in ifconfig in Kali linux [duplicate]

I have added a wifi adapter to my Kali linux box but I am not able to see it in ifconfig output. Linux version root@kali:~# uname -a Linux kali 4.17.0-kali3-amd64 #1 SMP Debian 4.17.17-1kali1 (2018-...
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34 views

KDE Neon Network Manager Keeps Asking For Password And Fails To Connect To My Router - KDE Neon User Edition

So, I installed a fresh version of KDE Neon on my HDD drive from a bootable USB and have been running it on my Macbook Pro 13 inch 2017. My instant guess was that I didnt have certain drivers ...
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30 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: ...
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1answer
23 views

How to debug the Networkmanager-dispatcher-variables

I want to debug a script that contains Networkmanager-dispacher-variables like DEVICE_IFACE, IP4_GATEWAY. The Networkmanager-manual describes these variables but doesn't mention how to debug them. I ...
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88 views

split json file based on number of objects

I have a file that contains objects. The object starts with a { and ends with }. There are other internal brackets { } in some items like chain but they have indentation. The file I have is very large ...
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24 views

Limit `nmcli dev wifi` to display one entry per unique SSID

When I use the graphical interface to NetworkManager (via the tray icon), it displays around 10 SSIDs (for my current location). However, when I use nmcli dev wifi it returns around 55 entries. The ...
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2answers
44 views

Is there a way to cache the last IP assigned on DHCP clients and use that if the DHCP server is down?

I would like my DHCP clients (CentOS 7) cache the last IP assigned (reserved) for them and use that if the DHCP server is down. Below is the current network interface configuration of my DHCP clients:...
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1answer
60 views

Why can I not set a static ip using netctl when I can do it with NetworkManager?

I've been given a static ip to access the internet. I can set the static ip using NetworkManager. The details of my route and ip addr are as follows: What I have is: ip: 192.168.1.63/24 gateway: 192....
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1answer
291 views

DNS is not applied with systemd-resolved

I'm using Kubuntu 18.04. When I'm in the office network, everything works fine, but when I connect to any other network (wired of wifi) I don't get proper DNS names - the old ones are still in systemd-...
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2answers
352 views

CentOS 7 DHCP Client - How to use “classless-static-routes” (“code 121”)?

According to this answer... https://unix.stackexchange.com/a/457577/61742 ... I can use the following configuration to use pushed routes from my DHCP server in my DHCP client by placing in the /etc/...
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How to update resolv.conf? [duplicate]

I am experiencing DNS resolution issues. I can ping an I.P. on my LAN but when I type it's URL into my browser it does not resolve to the I.P. and I can't access the webpage. I took a look at the ...
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1answer
605 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 ...
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1answer
185 views

Volume control and network notification icons are invisible and mutually exclusive after upgrading to Mint 19

On Linux Mint 18.3 (x64) MATE, I had the standard volume and networking tray icons. After upgrading in-place to Linux Mint 19, it apparently decided XFCE is what I wanted (but I can choose between ...
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2answers
172 views

How to fix Debian's NetworkManager with question mark even though network is working?

I have an up-to-date Kali Linux 2018.2 with open-vm-tools installed on an up-to-date VMware Workstation Pro 14. It's working as expected, but there's a little bug that I'd like to fix, the ...
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128 views

Prevent Network Manager from starting wpa_supplicant

I am using a Debian distribution (based on stretch) and I am trying to prevent NetworkManager (NM) from starting the wpa_supplicant service. The reason I want to do that is that I want dhcpcd to ...
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20 views

Migrate VPN Settings Gnome NetworkManager

I am migrating from Debian to Arch but wanted to keep Gnome and also use the NetworkManager for convenience reasons. In my Debian machine I have a VPn setup. It shows under /etc/NetworkManager/...
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112 views

ConnMan: IPv4 online check failed for network

I am trying ConnMan on Arch Linux to replace NetworkManager. I followed the ArchWiki and most of the things are fine, I can connect to wired network and psk wireless networks with ease. To connect to ...
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18 views

How to permanently set a default network interface using ifmetric? [duplicate]

Here's my /etc/network/interfaces allow-hotplug wlan0 iface wlan0 inet manual wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf I tried changing to allow-hotplug wlan0 iface wlan0 inet manual ...
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100 views

Login page is not reachable with arch linux

I currently laying in a hospital and there is only wi-fi available over a hotspot, I guess it's a captive portal. My problem is that I can't reach the login page, where I can enter my voucher for the ...