Questions tagged [networkmanager]

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

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31 views

WIreless interface disabled after I don't know what happened?

I've googled the heck out of this to no avail. Any help really appreciated as I need wifi to work and I am losing it over this. So I'm on Debian Buster on a Lenovo P15 Laptop. Wifi does not even show ...
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84 views

I get “Forbidden You don't have permission to access / on this server” every time I log in

I use Arch Linux. Every time I logged on, a browser window popped up on its own showing an error message. I did not open the browser, and I didn't go to the website by clicking a link. The message ...
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21 views

Can I stop NetworkManager from using my media key?

I am on a Thinkpad 460S. There is a media key on the keyboard to cut the wifi via Rfkill (F8). NetworkManager is grabbing the key and everytime it is pressed, disable or reenable the rfkill switch. I ...
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“Limited Connectivity” error after attempting to connect to a wireless access point on fresh install of KDE Neon ( based on Ubuntu 20.04)

Everything works fine when I connect to the main router, once I connect to a wireless access point (different SSID and does not have a DHCP server) I'm not able to connect to the internet with a "...
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44 views

I have a mis-behaving network manager, fed34

I have a misbehaving network manager on Fedora 34 but I had the same problem when trying to upgrade to Fed32. I ended up having to do a clean installation to Fed33. The basic problem is NM fails to ...
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1answer
38 views

Share the internet of one WiFi card through a hotspot of another WiFi card

I have two WiFi cards. One is connected to a router, and gets an internet connection. The other is set up as an Access Point (AP), to which devices are able to connect. But they don't get any internet....
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Connecting to open networks using nmcli Wi-Fi network could not be found

I have an an orange pi zero running armbian I am having problem connecting to open networks using nmcli. I can very well connect to my home "WPA1 WPA2" secured network with no issue at all. ...
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NetworkManager fails with ,,No secrets were provided'' on a mbpro 15,2

after some initial problems I was able to successfully install Arch on my macbook pro (15,2 - 2019 model). Mainly used the awesome t2linux wiki - so it's aunali1's modified kernel. Everything seems to ...
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46 views

Unable to connect to an existing X session w/ Nomachine

I've used Nomachine for years to connect my 2 Linux laptops. The client machine A has always connected to an existing X session in the server machine B displaying it in both A and B. However, lately ...
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1answer
22 views

NetworkManager shared connection wrong default route

I have internet on my RPi via 4G USB dongle, modem connection managed by NetworkManager (Raspbian/debian 10) using /dev/ttyUSB0. I have also OpenVPN tunnel active. Now I wanted to share this internet ...
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60 views

Eth0 Has two IP addresses

I have a Pihole with a fixed IP, 192.168.0.3. It works, and I can get to the GUI interface with that IP. Recently I noticed my router displaying alternating IP addresses for the Pi in its UI (the ...
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Limited connectivity through Hotspot

Fedora 31. I am successfully connected to Internet through mobile broadband, and I've created a hotspot over wifi and connected from (Android) phone to that. However I can't reach Internet from the ...
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29 views

How can I convince NetworkManager to accept my configuration?

This is Debian Buster. I need NetworkManager in order to run OpenShift. My main interface is plugged in a Linuxbridge br1, which is configured in /etc/network/interfaces: auto br1 iface br1 inet ...
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26 views

How to connect internet automatically during startup?

The os recognize my ethernet device as enp6s0. ifconfig -a enp6s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 192.168.31.22 netmask 255.255.255.0 broadcast 192.168.31....
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4G modem, address and connected but no interface?

I have my 4G serria device configured and it automatically connects and gets an IP address no issue. However for some reason network-manager is not automatically assigning the IP address to the ...
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1answer
48 views

How to add a new network device on CentOS 7?

My VPS is assigned two IPs but "ip a" shows only one real network interface eth0 and one loopback interface lo. I copy /etc/sysconfig/network-scripts/ifcfg-eth0 to /etc/sysconfig/network-...
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1answer
19 views

name_servers= from resolvconf.conf are not prepended, they're used alone

I enabled rc-manager=resolvconf in NetworkManager.conf and now resolvconf is used to maintain resolv.conf. Currently, I have just one wired connection and my dhcp server returns 2 search domains and 4 ...
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Setting up network sharing with iwd

I need to set up a connection between a laptop running Arch and a Pi by connecting them with an ethernet cable so I can ssh into the Pi from the laptop. Sharing an internet connection is not necessary,...
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1answer
16 views

Restart network on RHEL8/CentOs8 thru ssh using nmcli with testing that the operation has finished

Thru ssh I'm updating the network configuration and then I want to restart the network. systemctl restart NetworkManager doesn't work very well with ipv6 static changes. So I tried: nmcli connection ...
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21 views

Are network-manager's dbus paths stable?

I'm having an issue with configuring network-manager via dbus api. System: balenaOS on Raspberry Pi 4. balenaOS is a Docker runtime based on the Linux kernel. It says that it is "built using ...
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1answer
29 views

Network Manager not working on arch

so ive been using arch for about 4 months and just now i closed the lid of my laptop. It disabled my internet connection. When i launch htop to check my background proceses i see networkmanager ...
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1answer
55 views

Unable to connect to internet using iwd standalone

I’m trying to connect to WiFi using iwd standalone, without NetworkManager or wpa_supplicant. This is on a Debian 10 machine, with a netinst installation and no desktop environment. I added the non-...
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CAN bus interface does not come up after CAN bus restart

I am fighting with an industrial PC running Ubuntu 18.04.1 This PC is equipped with Apacer CAN module APEHC-D40 to receive data from external sensors. 95% of the time the module is running fine and ...
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33 views

Cannot connect to wired ethernet switch

I am trying to connect my computer running Ubuntu 20.04.1 to an Ethernet switch. When I plug in the cable, then Settings->Network shows Connected-100 Mb/s. From the ifconifg and elsewhere I am able ...
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Why does NetworkManager pushes .in-addr.arpa domains to dnsmasq when connecting to a VPN?

I'm trying to setup NetworkManager/dnsmasq combo on an ArchLinux box and connect to a VPN (OpenVPN). It seems to work as expected, except a bunch of weird entries in the log related to dnsmasq, e.g. ...
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1answer
46 views

Able to ping websites but gui programs have no Internet access

The internet in my area went down today and on coming back up I am experiencing wired and WiFi Internet connectivity issues. The connection manager applet shows me as connected and I am able to ping ...
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19 views

Show Ubuntu PC as a mobile phone to other bluetooth devices

I want to start bluetooth hotspot from my Ubuntu PC and connect to that hotspot in my android phone (Redmi Note 7 Pro) so that I get internet access in my android phone from my Ubuntu PC via bluetooth....
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1answer
19 views

nmtui-connection change my MAC address

When I use nmtui-connect connect to a Wifi connection, my Wifi connection is changed automatically. I need to put my MAC address into my modem as permit list, but after running nmtui-connect my mac ...
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77 views

new 10GBE network card not connecting

I recently installed a new 10gbe network card in my fedora34 machine. it shows up correctly but it fails establishing a connection. I tried a different cable & port on the switch (that work with a ...
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93 views

Disabling 802.11ac/802.11ax only for specific connections?

My laptop has an Intel AX200 WiFi adapter, which is supported by the iwlmvm driver and works in 802.11a/b/g/n/ac/ax modes. I frequently have to connect to a WiFi network with a very poor signal (about ...
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1answer
27 views

How do you set Debian up to communicate on different networks simultaneously on boot?

I'm trying to use a WiFi adapter and onboard Ethernet to access two different networks simultaneously. The Ethernet network only has one device and does not pass through a router or switch. The WiFi ...
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1answer
178 views

docker interface tears down wifi internet

I see this problem on my laptop: when I docker run a Docker container, then after a few seconds my WiFi internet stops working. I don't have an Ethernet connection to test that side of things. I don't ...
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1answer
60 views

Configure split DNS resolver to always use VPN-internal nameserver for fixed list of domains

What's the most reliable configuration to have a fixed list of internal domains always resolved through an internal nameserver, even if it's unreachable because the VPN is down, while still using the ...
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No GUI Program for Network(Both for WiFi and Ethernet) {Ocurred after reinstalling some packages}

I am using Kali Linux grep VERSION /etc/os-release VERSION="2021.1" VERSION_ID="2021.1" VERSION_CODENAME="kali-rolling" uname -v ...
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2answers
96 views

How to restore important deleted package

I run the command apt autoremove, And it accidentally removed some packages, Which I assume is important, because after I run the command, I can't access wifi, I can't find it icon. The output for apt ...
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68 views

Disable static IP access automatically once DHCP is enabled

I have a linux machine configured with both static IP and DHCP. I got a requirement that when the linux machine got IP using DHCP then that linux machine should only be accessible using DHCP IP, It ...
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Prevent NetworkManager from storing WiFi connections and passwords for all users by default

It seems that, by default, NetworkManager stores WiFi connections and passwords under /etc/NetworkManager/system-connections/ so that they are available for all users. How can this be disabled? I know ...
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25 views

arch t2pl VPN established successfully but not access

I need help with solving the following problem. I configured VPN according to this instruction (I have Linux), everything is fine, the connection is established, the IP address changes from mine to ...
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189 views

How to refresh a connection/device that has no carrier?

I change the MAC address of a connection/device with nmcli/nmtui. Using ip a doesn't show the new/cloned MAC address. I tried lots of things with nmcli and nmtui but I keep getting the no-carrier ...
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23 views

Prevent NetworkManager from enabling ethernet on boot Ubuntu 20.10

I have a server with a WiFi and Ethernet. On boot up, only the ethernet works and forwards packets correctly. the wifi, I can't even ping the gateway. If I then turn off the ethernet, the wifi ...
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2answers
60 views

Network layer 1 failure

I updated 3 machines, one debian 9 and two ubuntu and all have completely lost network access. The Debian upgrade failed halfway, but the ubuntu ones seem to have gone properly. The failure seems to ...
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51 views

Network Manager Access Point WPS Pin Disable

we are opening an Access Point with network manager (on a RPI4 with Raspbian) and everything is working fine except that when connecting from Windows 10 we are asked for a pin first (probably wps pin) ...
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17 views

CentOS8 server network doesn't come up after restart, requires cable to be reinserted

I have a server running CentOS8 and using a Mellanox ConnectX4 NIC. I've noticed that after I reboot the server in any way, the network won't come up unless I reinsert the ethernet cable. This is not ...
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17 views

NetworkManager WLAN configuration: SSID with non-printable characters

SSIDs of WLANs are just up to 32 octets. It's not mandatory that they are human-readable or printable. How can I configure a WLAN connection with NetworkManager for a network that uses an SSID which ...
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55 views

CentOS 7 is not detecting my network card, listing as UNCLAIMED

I installed CentOS 7 minimal on a server. It has two NICs. However, one of them doesn't appear to be working. It also appears as UNCLAIMED. Its not showing when i use commands to list network devices, ...
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Determine current networking manager being used on Linux

Is there a quick and dirty way to figure out what network manager (and no, not NetworkManager) a given distro is using to manage the machine's networking? Like Ubuntu 18.04+ uses netplan, CentOS uses ...
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2k views

How can I disable the Wi-fi radio permanently to save power?

I can disable it with sudo nmcli radio wifi off but it turns back on after a reboot. The only thread I could find was this one, but it only applies to Ubuntu, and I'm using Arch Linux. My laptop has ...
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1answer
30 views

nmcli hotspot not working when ethernet connected

For a home-server I'm using the following nmcli configuration to spawn hotspot and ethernet connections on 192.168.1.50: nmcli con add con-name WIFICON \ type wifi ifname wlp2s0 mode ap ...
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10 views

Aliases and routing in NetworkManager

So RH8 and in general iproute2 is phasing out aliasing interfaces. Now, I know I can add secondary IP to interface with for example: nmcli con mod eth0 +ipv4.addresses "192.168.122.11/24" ...
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40 views

Network Manager: Auto-Connect to VPN when Connecting to a Wifi with Password

i use Xubuntu 20.04 with the Network Manager GUI. I have stored the settings for 2 Wifi networks. I can also connect to both routers using VPN. I want to auto-connect to router1 when i connect to ...

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