Questions tagged [networkmanager]

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

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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
507 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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1answer
330 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
354 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
51 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
29 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
86 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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53 views

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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217 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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1answer
2k 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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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
116 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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290 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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1answer
193 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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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
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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
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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
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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
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 ...
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1answer
573 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
1k 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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290 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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256 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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How can I whitelist (blacklist?) destinations on a global OpenVPN connection?

I have imported a vendor-provided OVPN file into Network Manager. It acts globally, routing all requests through the VPN connection. This can be a problem with: geoblocked websites that also block ...
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1answer
1k views

Reconfigure network-manager on Kali Linux after installing openvpn or vpn-unlimited [duplicate]

From my previous question that people closed because they could not answer it: I was trying to install openvpn from this tutorial and unlimited vpn from here. I had internet but, when I ...
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1answer
6k views

Ping 'Name or service not known' how can I clear cache

For several days now, after several reboots I still am faced with the issue of my CentOS 7 machine not being able to ping my domain. [root@ip126 ~]# ping sub.mydomain.eu ping: sub.mydomain.eu: Name ...
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642 views

IPSec over L2TP: key derivation for pre-shared key failed

I set up a VPN to my Uni (using IPSec over L2TP) before using ~Ubunutu (GalliumOS), Strongswan, and NetworkManager, but this time I keep getting an error about my PSK, see this log output: Jun 22 11:...
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1answer
243 views

Network Manager killing vpn connection

I will start by providing some info: System: Host: arthur-desktop Kernel: 4.10.0-38-generic x86_64 (64 bit gcc: 5.4.0) Desktop: Cinnamon 3.6.7 (Gtk 3.18.9-1ubuntu3.3) Distro: Linux Mint ...
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Share ppp connection on Debian Stretch

I have internet on my Debian Stretch via ppp broadband usb modem. It works via Network Manager. There is no connection sharing option in Network Manager for ppp. It is only for ethernet. How to ...
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1answer
1k views

What is the usage of NetworkManager in centOS/RHEL7?

I am just trying to understand the usage/purpose of NetworkManager in CentOS7/RHEL7. Because by disabling NetworkManager also, I don't loose my network connectivity as my network service is running. ...
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1answer
1k views

ConnMan: How to set up OpenConnect VPN with CSD-Wrapper correctly?

I want to access my personal network drive at my university via VPN from home. In the past I have been using NetworkManager for this what worked completely fine. However, recently I moved to ConnMan ...
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3answers
3k views

Who reads /etc/resolv.conf?

My Centos 7 server doesn't resolve domain names properly. From what I see, in modern Linux systems /etc/resolv.conf is often generated with dhclient, dnsmasq or Network Manager. Thus I have a ...
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2answers
358 views

Assign IP range in centOS 7 to network interface

Helllo to all, I'm very new to server administration, so I have a big question for me. What is the best way to assign a ip range to the network interface on the server? - I found some examples but I ...
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1answer
595 views

Dell laptop won't connect to 5GHz network

My cellphone connects just fine to the 5Ghz network, so I know it is up and functioning properly. My Dell Inspiron though, running elementary OS Loki which is based on Ubuntu 16.04, refuses to do so ...
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0answers
340 views

Connected but no internet after installing connman [closed]

On Arch Linux. Had netctl managing my connections, had internet access, switched to connman (installed connman, disabled netctl service). Followed instructions on the wiki, connected to wifi network, ...
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1answer
2k views

Share a VPN connection over WiFi

I've got two computers connected to the same router 10.9.8.1: Computer A 10.9.8.2 runs Windows 10 Insider Preview. Insider Preview has VPN broken and can't be rolled back. :( Computer B 10.9.8.3 runs ...
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1answer
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Networking has stopped working - where can I find out why?

The XUbuntu PC in my boy's room has been working fine for years. Today, with no changes made to configuration or anything, the network no longer works. If I check the status of the networking service ...
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How to let resolveconf update DNS configuration when using NetworkManager

I've recently noted that my /etc/resolve.conf.head and /resolve.conf.tail files were being ignored by NetworkManager DNS changes. How to make use of them to add defaults nameserver configuration when ...
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1answer
55 views

Metric on connections and magic 20000 value added

I have 3 types of network connection and I set manyally metric for each connection: LAN cable, metric = 1 - enp0s31f6, WiFi, metric = 100 - wlp2s0, 4G/LTE modem, metric = 1000 - wwp0s20f0u8c3. The ...
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0answers
208 views

Lenovo X270 - 4G Connection doesn't connect

I have running a Lenovo X270 running with the latest Debian Stretch x64. I try to get my 4G connection up, but without success for now. The modem device is recognized and it finds my provider ...
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1answer
748 views

Debian 9: Is there any GUI to add OpenConnect VPN-connection in ConnMan?

On a lightweight Debian machine I am using ConnMan instead of NetworkManager. For this I installed ConnMan based on the following packages: connman connman-vpn cmst Ethernet, wifi, virtual bridges ...
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1answer
1k views

My wifi is hard blocked in Ubuntu, how to bring it up despite rfkill

My wifi is not working in Ubuntu 16.04, it is hard blocked, but there is no any physical switch that i can turn it on. This question was asked and answered more than 50 times all over the Internet ...
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Why is my sudo process freezing?

When my laptop is at work (running OpenSUSE Tumbleweed), and when the network cable -> USB adapter is plugged in, eventually in a day the computer sort-of-freezes. I can still operate everything ...
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1answer
366 views

dnsmasq's server option doesn't work for a specific domain

I have configured dnsmasq as a local DNS server. Now since my ISP does not resolve some-company.sharepoint.com I want to use Google's servers for the domain sharepoint.com. (See here for the windows ...
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2answers
749 views

sshd failed due to network not yet available

I'm running Arch Linux. After I reboot, the sshd.service fails to start due to the network not yet being up. I have to manually run: sudo systemctl restart sshd Once I do that, the sshd service ...
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0answers
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 ...
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1answer
67 views

Why can't I change my MAC address to this address?

Why can't I spoof my wifi card's MAC address to 1F:2E:3D:4C:5B:6A. Is that address invalid? root@:~# ifconfig wlan0 down root@:~# ifconfig wlan0 hw ether 1f:2e:3d:4c:5b:6a SIOCSIFHWADDR: Cannot ...
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0answers
56 views

Arch netctl profile configuration

I'm new to Arch and I'm trying to set up my Raspberry Pi with Arch-ARM to connect to my uni's network. I think I've figured out what I need to do – I've currently got a netctl profile up in nano, with ...
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2answers
3k views

How do I install NetworkManager-wifi on Debian?

I've been fighting my laptop for a few hours now trying to get the wifi to work. I have the drivers installed and iwlist scan manages to find the access points in the area, however NetworkManager isn'...