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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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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
36 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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13 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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1answer
20 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
75 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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19 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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0answers
29 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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6 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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26 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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7 views

Centos 7 - Error: Package: 1:NetworkManager-1.0.0-16.git20150121.b4ea599c.el7_1.x86_64 (@updates)

When I trying to yum update, I got this error message Error: Package: 1:NetworkManager-1.0.0-16.git20150121.b4ea599c.el7_1.x86_64 (@updates) Requires: NetworkManager-libnm(x86-64) = 1:1.0....
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13 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
33 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
46 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
65 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
113 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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22 views

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
185 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
74 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 ...
3
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2answers
83 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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50 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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16 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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48 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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14 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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56 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 ...
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18 views

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
302 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
850 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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0answers
194 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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14 views

Problems booting debootstrapped image (no DHCP network)

i'm having the problem getting a DHCP ip from the network on an ubuntu image i created with debootstrap. What I did: First i created a system using debootstrap sudo debootstrap --variant=minbase --...
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1answer
98 views

Network Manager killing vpn connection

Hope somebody can help . 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-...
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0answers
30 views

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
91 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
164 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
2k 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
122 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
143 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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19 views

How to limit network bandwidth for linux users? [duplicate]

How to limit network bandwidth for linux users(users who are added via useradd)? not for the entire system, but only for the user
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0answers
72 views

NetworkManager and KWallet issue

After migrating from Kubuntu to Antergos with KDE I'm having issues with connecting to wi-fi with WPA2-TLS, so certificates based authorisation. It looks like NetworkManager is expecting some ...
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0answers
151 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
246 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
30 views

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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1answer
80 views

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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0answers
22 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
97 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
312 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
406 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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0answers
25 views

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 ...
1
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1answer
148 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 ...
1
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1answer
151 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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206 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 ...