Questions tagged [network-manager]

NetworkManager is the default networking suite for Ubuntu. It is a set of co-operative tools developed by GNOME. The NetworkManager service can be controlled using the nmcli tool (Network Manager Command Line Interface) as well as by its GUI.

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Computer disconnects from WiFi and doesn't reconnect automatically

I'm running Ubuntu Desktop 19.10 and mostly use it as a server. Periodically (every few days) it drops off wifi and doesn't reconnect. Rebooting wi-fi AP doesn't help. Only manual reconnect/suspend&...
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24 views

NetworkManager remove device if created from systemd

I create systemd script for bring up CAN interface in my Ubuntu 18.04 machine. Systemd script is as below: [Unit] Description=...
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9 views

Multicast not working on second vlan

I have Ubuntu 18.04 installed on my workstation with one NIC. On my network adapter eno1 I had setup eno1.201 and can see my multicast working fine with VLC.. When I change it to eno1.202, I can ping ...
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27 views

WiFi No Longer Authenticating Kubutu 18.04 wlp59s0: Link Not Ready

I was hoping that the community could help me with a problem that has developed overnight on my Dell Precision 5630 laptop which is running Kubuntu 18.04 LTS. Everything had been running fine since ...
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Trying to set up a virtual network, having issues

I'm trying to set up a small virtual network using VirtualBox but having some issues getting each VM to communicate with each other. Here's my small layout. 1 Ubuntu 18.04 Desktop VM acting as a ...
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28 views

After Lubuntu install, can't connect to WiFi, can connect to Ethernet [duplicate]

I tried: sudo apt-get install network-manager-gnome followed by: nm-applet but it gave me: dbind-WARNING **: 21:03:15.214: Error retrieving accessibility bus address: org.freedesktop.DBus.Error....
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23 views

VPN configuration with same remote and local gatway IP address

I have an issue with VPN routing when the local default gateway is the same as that on the remote network. Here is the case config: VPN network: 192.168.100.0/24 Remote Services network (reached ...
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149 views

How to connect pppoe in Ubuntu?

I have problems with Internet connection with most Ubuntu DEs, except KDE - network managers don't allow me to establish a DSL PPPoE connection. So I'm thinking to buy a router - conventional, I don'...
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25 views

activation of network connection failed - wifi

So here is the story. I have dual boot system, running Windows 10 and Ubuntu 18. Everything was working fine till I needed to replace my battery. So I replaced the battery, and I turned on the Machine ...
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50 views

Output of `nmcli device wifi list` is often nearly empty on Ubuntu 18.04

When I moved from Ubuntu 14.04, to Ubuntu 18.04, I noticed that often the output of nmcli d wifi would, instead of listing a bunch of visible access points, only lists the access point that the ...
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30 views

cell modem hangup

I have a cell modem that has periodically been unable to connect to the network. I have used the same modem on the same machine in the same area for the past month or so and often on starup it fails ...
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1answer
36 views

How can I enable access to local network devices while connected to VPN through GUI Network Manager in Ubuntu 19.10?

I added an OpenVPN profile to Ubuntu (19.10) Network Manager via GUI. Connecting to and using internet through this VPN works fine, but I can't access local network devices of course. In my case, I am ...
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Won't connect to WiFi before you try to connect to another point

I got new mobo asus 450b-i rog strix. Have ryzen 3400G in it. Problem is I can't connect to WiFi router anymore without doing this magic trick: grab my phone, activate hotspot in it, then sit back at ...
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36 views

Ethernet Connection Is Not Working

I'm working on Ubutntu 18.04.3 LTS, Wi-Fi is working normally while Ethernet not available. I tried this solution: sudo touch /etc/NetworkManager/conf.d/10-globally-managed-devices.conf sudo ...
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25 views

How to create a hotspot in Lubuntu 19.04

I am connected to the internet through Wi-Fi and i want to create a hotspot just to extend that Wi-fi. I used to do that in Windows 10 (Mobile hotspot), but when i changed my OS to Lubuntu I can't ...
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47 views

Ubuntu 19.10 Wireless Not Working after Resume

The problem Wifi seems to connect fine after system bootup or reboot, but if I suspend my computer (which is a laptop, so this is happening whenever I close the laptop lid), when the computer wakes, ...
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13 views

OpenVPN Static IP address in Gnome Network Manager still using DHCP - bug?

I have multiple OpenVPN client accounts configured in Network manager. The VPN account connects to a server I host (and control). Normally I have IPv4 set to Automatic (DHCP) so when I connect to the ...
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15 views

NO wifi adapter found and CPU speed issue for (AMD® A10-9620p radeon r5, 10 compute cores 4c+6g × 4)

1.I just installed Ubuntu for the first time, and i cant connect to wifi, It says NO WIFI ADAPTER FOUND for my HP Notebook - 15-bw0xxax.I can only used internet through USB CAble right now. My CPU ...
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42 views

How to connect Ubuntu server to the internet (Raspberry Pi 3B+)

After a good 4 hours of repeatedly following tutorials that involve netplan, or some other form of connection I'm here to ask how to connect my Raspberry Pi 3B+ to the internet. To clarify, here's ...
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44 views

Ubuntu 19.10 unable to scan with wifi? no results

Just no networks available, while it should be. tried make interface up/down, restart network manager No result of any scanning. no results also here: dkms status here is all info: ########## ...
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148 views

mount failing on /etc/NetworkManager/dispatcher.d/

I have a script that tries to mount a cifs share when the VPN is connected (after I've already logged in to the desktop - so kerberos ticket is issued). It's in : /etc/NetworkManager/dispatcher.d/ #!/...
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40 views

Kubuntu Network Manager 19.04 flipping out

My network Manager on Kubuntu keeps toggling WiFi at odd times. It will work for a minute, but will flip off, and then back on, and won't work again after a reboot. I have tried cleaning the ...
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137 views

Network Manager working,but wonky after upgrade

I upgraded my Dell precision m4800 from 19.04 to 19.10 last night. When trying to connect to VPN it started to ask for password. Found out password was deleted in VPN config. Started to ...
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31 views

can't paste the project file into the htdocs on ubuntu [duplicate]

for command sudo usermod -R root.xamppusers /opt/lampp/htdocs ....it shows usermod: invalid chroot path 'root.xamppusers'
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71 views

Lubuntu 19.10 - nm-applet does not run on system start

I just upgraded (fresh install) to the new Lubuntu 19.10. Same as in the previous versions, the nm-applet does not run on startup. The nm-applet is the GUI for the Network Manager and I need it to set ...
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115 views

L2TP / IPSec failing to connect (Ubuntu 19.10)

On ubuntu 18.04 LTE VPN connection works properly, but on 19.10 I got: hidden@hidden:~$ tail -f /var/log/syslog hidden NetworkManager[862]: <info> [1574066091.0450] audit: op="connection-...
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25 views

VPNC not connected after upgrade ubuntu 17.10 to 18.04.3

Solved! Issue about the local wireless. I changed the connection, it worked. I upgraded my system from Ubuntu 17.10 to 18.04.3 yesterday. I did not receive an error. But, today I tried to connect via ...
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1answer
52 views

Is there a restriction on the length of WPA passwords in Lubuntu?

I'm having a strange Wi-Fi issue in Lubuntu (live USB). It can see my Wi-Fi network, but after I enter the password and click connect, it tries for about 30 seconds and ends with the message I'm ...
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52 views

Wifi issues - I can connect to the 2.4Ghz wifi and fails on the 5Ghz one

I just installed a new WiFi card based on AX200. I am running Ubuntu 19.10 and, crucially, I have no problem connecting to both 2.4 and 5Ghz wifi from a live CD. That means hardware-wise I am ...
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14 views

networkmanager-openconnect with flag --no-http-keepalive not possible to set in UI

I activated the VPN SSL on our Cisco RV340 router. I want to use openconnect to establish the vpn connection. When I use the CLI in my bash session it is working when using the flag --no-http-...
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1answer
127 views

Raspberry Pi 4B - Ubutnu 19.10 - Wired Network Unmanaged

I successfully Installed "ubuntu-19.10-preinstalled-server-armhf+raspi3.img", installed the updates and the Ubuntu Desktop. The wired network shows "Unmanaged" although I can use Firefox. Software ...
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28 views

Ubuntu 18.04 LTS hangs on booting. network-manager cannot start

I was having troubles rebooting after a fresh installation of Ubuntu 18.04 LTS desktop, the system hanged on starting the network-manager. I installed it in a mini PC from shuttle (xpc slim dh270) ...
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44 views

Ubuntu 18 Ethernet connected but not working

I recently moved an SSD with ubuntu 18.04 to a new desktop and am having some issues with network connections. I need a wired ethernet connection (there is no wifi card on the desktop). When I try to ...
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2answers
52 views

Possible to allow static ip for computer on any LAN?

Here is my issue. I have two computers running ubuntu 16.04 with a static ip profile for in NetworkManager, this profile works according to the subnet and dns of this particular LAN. These two ...
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23 views

How to: add a static nameserver to a set of dynamic nameservers?

I am currently receiving a set of nameservers via DHCP via NetworkManager. I have a project specific nameserver, which is not known to the DHCP server, that I wish to include in my nameserver list. A ...
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1answer
102 views

Ping returns, “operation not permitted.” Cannot connect to broadcast, or internet

I've been attempting to figure this out for 5 hours now. Hopefully someone who is more knowledgeable, can help me out. Randomly, without me making any changes to my device, my internet cut out. I ...
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52 views

Random DNS problem with NetworkManager

I have a strange problem with my DNS. Sometimes when I boot my computer I the DNS does not work. I reboot and everything works fine. I'm using NetworkManager and LAN - no wifi. Today I had the DNS ...
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39 views

Wifi stopped working in Ubuntu 18.04LTS randomly

This is a problem which I have faced quite recently. The wifi signal strength appears to be very weak, and it almost always disconnects after 5-10 minutes. I am not very well versed in networking in ...
2
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1answer
128 views

Ubuntu 19.10 Dell XPS13, wifi unusable

I'm still struggling with the Wi-Fi on my XPS13 since upgrading to 19.10. It is basically unusable with constant drop outs and lockups of the system when trying to fix the issue. The end of syslog ...
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1answer
736 views

Setup Ubuntu Router with a subnet

I'd like to set up a private subnetwork within my home network. I've already read a few articles about this, but I'm not sure how exactly the /etc/network/interface file has to be set up under Linux. ...
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76 views

How to configure a fallback static IP address when there is no DHCP server present

I am working with an embedded linux device, which we typically connect to by static IP address during development. However, on-site we have a requirement to connect using DHCP and so, I would like to ...
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86 views

Network manager keeps asking for password, but can connect to phone hotspot. (19.10)

I am trying to connect wifi but network manager keeps asking for password again and again but i am typing correct password. And i can connect to phone's hotspot without any problem. here is my ...
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26 views

Failed to start graphical.target: Interactive authentication required. See system logs and systemctl status graphical.target for details

My friend is using Ubuntu 16.04 and trying to install notepad++ and followed some random website copy-pasted commands and rebooted, and now only runlevel-3 is shown, only terminal, no-gui. commands ...
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1answer
46 views

Trying to change frequency channel for wireless network

I have a problem with my wireless network, in that probably there is some interference in my channel, because I'm sharing my wi-fi with many people, and there are other networks in the area that use ...
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21 views

how to backup all the net configuration files from a working ubuntu 19.10 and restore them on a non working 19.10

I've just upgraded ubuntu 19.04 to 19.10. The worst problem that I have is this : root@ziomario-Z390-AORUS-PRO:/home/ziomario# ping www.google.it ping: www.google.it: Errore temporaneo nella ...
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99 views

After upgrading ubuntu 19.04 to 19.10,I should wait 15 minutes to be connected,after giving the dhclient command

I've just upgraded ubuntu 19.04 to 19.10. The worst problem that I have is this : root@ziomario-Z390-AORUS-PRO:/home/ziomario# ping www.google.it ping: www.google.it: Errore temporaneo nella ...
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74 views

5GHz WiFi keeps disconnecting on Ubuntu 18.04.3 LTS

I reinstalled Ubuntu 18.04.3 LTS on my Acer Switch Alpha 12 yesterday and now i have the problem that it keeps dropping my WiFi Signal after 1-3 minutes when i'm connected to the 5 GHz network (the 2....
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35 views

Does my wireless network card supports broadcasting hotspot in 5GH band?

I am using create_ap script to make a hotspot, but I can not transmit on 5GH band this is the output of iw list and I wanted to know if my device support making hotspot on 5gh? Wiphy phy0 max # scan ...
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196 views

Cannot connect to an enterprise WiFi network after an upgrade to Ubuntu 19.10

The network uses PEAP authentication with MSCHAPv2. During a connection attempt, the following is added to /var/log/syslog: Oct 28 18:03:41 morozov wpa_supplicant[887]: EAP-MSCHAPV2: Authentication ...
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2answers
56 views

Where does Ubuntu 18.04 stores network settings?

I have two virtual Ubuntu systems, set network settings via graphical interface on one system and decided to enter them manualy in the second one, but known to me config files seem empty. Where can I ...