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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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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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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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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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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1answer
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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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2answers
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+200

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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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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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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2answers
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Ubuntu 18.04 netplan static routes

Need help with static routes in new netplan config. Have ubuntu server 18.04 with 2 network interfaces, ethernet and wlan. After successful basic configuring in /etc/netplan/50-cloud-init.yaml i has ...
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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
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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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1answer
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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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3answers
9k views

How to share wired network connection in 18.04

I had been sharing my network connection through my computer (previously windows 10) with two other computers using usb-ethernet adaptors, and I can't get it to work now that my host computer is ...
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2answers
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Lost network after installing connman

I'm on Ubuntu 16.04, I wanted to try connman so I ran: Apt-get install connman After it finished I lost my internet. I restarted the computer and I no longer have the network icon in the top right. ...
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1answer
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`Network Manager` GUI Missing in Ubuntu 18.04

If I go to Settings > Network I think I'm supposed to be able to select my Wifi Network manager by clicking the gear icon. Shown below to the right of "1000 Mb/s On/Off". But my Wireless ...
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2answers
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How do I configure the search domain correctly?

I recently installed Ubuntu GNOME on my work computer, replacing Windows 7, because I will be doing a lot of Linux development work. Many of our configuration and development scripts use shortened ...
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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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2answers
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Exempt programs or domain from VPN connection

When I connect to a VPN, all my network traffic is automatically routed through it. Is there a way to add exemptions to that? I don't know if adding exceptions has anything to do with the VPN protocol,...
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1answer
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How to redirect all requests within a wlan using ad-hoc to a specific address or hostname

I'm setting up an ubuntu embedded system as a "master" server which will then broadcast to clients using ad-hoc in a wlan. The purpose is for a client to access the wlan and then access a webapp on my ...
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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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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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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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2answers
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Issue with Ethernet dropping Connection Irregularly Ubuntu-Budgie

I have been running into intermittent ethernet connection issues using a custom build, Ubuntu-Budgie 64, system. I have gone through so many of the other conversations about applying fixes via ...
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2answers
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Missing network settings in KDE

I installed the KDE desktop environment using apt install kde-plasma-desktop. The problem is that I don't have network settings in System Settings: Of course, I'm missing this from my System Tray as ...
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4answers
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OpenVPN working from CLI but not via NetworkManager GUI

I have a working VPN connection via CLI: sudo openvpn myconfigfile.ovpn I imported the file in the Network Manager GUI and when I try to use it, it always fails but I can't find the reason why. I ...
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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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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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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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3answers
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Screen-Sharing “no network selected for sharing” problem in unity control center (18.04)

I'm using ubuntu unity desktop unity control center > sharing > screen sharing > no network selected for sharing connection is working fine / but don't show in sharing setting / please check ...
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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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Ubuntu 19.10 keeps asking for password in some random wifi networks

after upgrade from 19.04 to 19.10 some of wifi networks I had no issues with previously, now keeps asking for password and do not connect even if correct one typed. Funnily some other wifi networks ...
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4answers
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How to connect to WiFi from the command line?

Other posts seems to be addressing more complicated network connection issues from the command line. The Unity panel Network indicator/button doesn't respond too well sometimes - it keeps trying to ...
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1answer
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L2TP Network Manager plugin cannot be installed

I'm using ubuntu 15.10 and a beginner of Linux/GNU system. I know almost next to nothing about VPN's detail too. So the terminology about VPN might be wrong. I and my colleagues use a server with ...
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1answer
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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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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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1answer
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How to control startup options of dnsmasq?

I'm on Ubuntu 16.04 Xenial and Network Manager started dnsmasq for me with these options: ~/ ps awux|grep dnsmasq nobody 2649 0.0 0.0 54488 3588 ? S Mai23 0:00 /usr/sbin/dnsmasq --...
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2answers
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How to configure 2 interfaces without losing Internet connection?

I am using Hyper v for my linux lab. I have Ubuntu Server 16.04 which contain 2 network cards that shown in the system as 2 Interfaces. eth0: I configured it to get IP from DHCP server (my dlink ...
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8answers
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Ubuntu 18.04 LTS wifi problems

Since I bought a new laptop, during already two years, I have endless problems with WiFi on my laptop (Lenovo Y50-70) on Ubuntu (16.04, 18.04). Firstly, it always disconnects from connections, such ...
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590 views

Unit snap.networkmanager.service could not be found

I'm a complete noob concerning networking on Linux, and only a beginner on Linux in general. I'm running Ubuntu 19.04 and I want to enable mobile broadband on my laptop. I found this documentation: ...
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1answer
268 views

WiFi randomly (or under load) disconnects on Ubuntu 18.04 with Qualcomm Atheros QCA6174

With reference to this topic: I have changed WiFi powersave to off. IPv6 support disabled. I have reinstalled Linux firmware. But nothing helped. The network still disconnects at random times [EDIT]...
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What does NetworkManager-wait-online.service do?

NetworkManager-wait-online.service fails at boot and it delays my startup
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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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1answer
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Network notification after installing kde-nm-connection-editor

I have installed plasma-nm on my Ubuntu 14.04. Beside nm-applet's notifications plasma-nm also started generating notification about available networks and wlan0 association with selected networks. ...
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1answer
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Job for NetworkManager.service failed because the control process exited with error code

I am Running Ubuntu 16.04 KDE. See this for specifications. $ uname -a Linux ElMaverick 4.4.0-112-generic #135-Ubuntu SMP Fri Jan 19 11:48:36 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux $ cat /etc/...
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1answer
113 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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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
187 views

Issues connecting to VPN

I am trying to connect to a VPN using L2TP and StrongSwan. Reading the log I get from journalctl -f -u NetworkManager, it looks like I do get a connection with the VPN. It's just that somewhere it ...
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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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5answers
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Ethernet Network not showing or connecting in Ubuntu 17.04

I updated from 16.04 to 17.04 a couple days ago. After doing so I found that when I connect my Ethernet cable, it doesn't connect or show connection as it did in 16.04. I Have an HP-15 laptop. I ...