All Questions
Tagged with network-manager 18.04
208
questions
0
votes
0
answers
119
views
How to disable 5G support of my wifi
I am using ubuntu 18.04.6, as in tegra-ubuntu 4.9.253-tegra.
Now I want to make it such that I won't be able to scan nor connect to 5G networks, is there any way other than modifying the driver, such ...
0
votes
1
answer
929
views
Have to manually restart NetworkManager to get WiFi to work
After every single reboot, I have to manually restart the NetworkManager, so that the Wifi does connect, which makes it impossible to run truly headless.
OS: Ubuntu 18.04
Hardware: Jetson Nano
this is ...
- 145
2
votes
1
answer
9k
views
Bridge Wlan and eth0
My problem is the following, I am using a pretty complex network architecture for multi robotic operation. One robot is composed of different embedded computers and a switch, making a local network ...
- 21
0
votes
1
answer
2k
views
How to enable split tunneling with L2TP over IPsec VPN on Ubuntu 18.04
My users are able to connect to L2TP VPN without issues but are having problems with the speeds. To resolve this, I'd like to provide them instructions on how to enable split tunneling so they only ...
- 13
0
votes
1
answer
1k
views
Ubuntu 18.04 requires a manual dhclient command for network to work. Why? And how to fix it?
At least since a week ago, my ubuntu 18.04 sometimes does not have internet access. Despite that it shows in the GUI the wifi icon like normal.
Interestingly, dig @8.8.8.8 google.com works, but ping ...
- 1,361
0
votes
2
answers
2k
views
Network Manager fails to restart due to timeout exceeded
My ubuntu 18.04 LTS was working fine. Next thing, wifi symbol disappears and it says "NetworkManager needs to be running" in settings.
So I used restart command (sudo /etc/init.d/network-...
- 1
0
votes
0
answers
57
views
What are the steps to be followed for enabling Internet after installing Ubuntu 18.04?
After installing Ubuntu 18.04, the system is not showing WLAN and network option. Is this the normal behavior?
"No WiFi device found" on WiFi settings.
What should be done to enable Internet ...
- 101
0
votes
0
answers
5k
views
nmcli connection up eth0 : Error: Connection activation failed: No suitable device found for this connection
my eth0 nmcli connection is not working on Ubuntu Bionic 18.04 LTS :
$ nmcli connection up eth0
Error: Connection activation failed: No suitable device found for this connection.
$ nmcli device ...
- 2,401
0
votes
0
answers
246
views
unable to connect wired network and wifi in newly installed ubuntu 18.04
I just have installed ubuntu 18.04 (single operating system) with Intel I9-10900K CPU in MSI 490 unify motherboard through a GPU (Asus Video NVIDIA GTX1650 O4G TUF Gaming). I am unable to connect ...
- 1
0
votes
1
answer
111
views
Network Manager in ubuntu 18.04 crashes and I've to reboot everytime
I use ubuntu 18.04 and the wireless crashes in every 1 hour. The network setting says the network manager is not running.
How to resolve this?
I tried sudo service network-manager restart, but the ...
2
votes
1
answer
146
views
Connection drops after 2 second. How to reset every service and configuration that may be causing the issue (18.04)?
I am on Ubuntu 18.04.
I have become unable to access internet (or better: I stop receiving data after 2 seconds from the initial connection) from all access points – both wired and wireless – of a ...
- 198
0
votes
0
answers
204
views
Ubuntu Freezing due to wifi driver issues
I have been using Ubuntu 20.04 for couple of months and suddenly my laptop started freezing randomly to the point it is a problem to normal usage. I have a dual boot with windows as the other OS and ...
- 1
1
vote
0
answers
209
views
Gnome Control Center takes forever to start and then I can't edit network settings (Ubuntu 18.04)
I have problem with gnome-control-center, it takes forever to start (30 seconds), and then I can't edit the network settings.
There is some clue in the verbose output:
$ gnome-control-center -v
(...
- 123
0
votes
3
answers
148
views
I have upgraded to Ubuntu 18.04 and now my internet connection is GONE
I finally upgraded from 16.04 to 18.04 and the system does not connect to the internet anymore. LAN and WLN gets connected, but no internet. I tried all kinds of settings, what was recommended here ...
- 11
1
vote
2
answers
2k
views
ubuntu server 18.04 set dns server name without change after reboot
I am new in ubuntu.
When installing Ubuntu, I set the network settings manually and manually set up the IP and DNS server in installation wizard , but now I after installation complete can not change ...
- 155
0
votes
0
answers
252
views
Static IP Ubuntu Desktop 18.04 with 2 Ethernet ports
Bit of info:
We're running Ubuntu Desktop 18.04 with 2 Ethernet Ports. On port enp2s0 we run hardware trough a static IP. On port enp3s0 we have a 'normal' DHCP internet connection. When enp3s0 is ...
0
votes
1
answer
744
views
Problem with wifi, after seconds lose internet
I have problems with some networks in Ubuntu 18.04
When I connect to the network, everything is fine.
A few seconds later (5/10 seconds) it stops working, from the browser I get ...
- 297
0
votes
2
answers
1k
views
netplan yaml file apply error while setting up Bridge and Bonding port on Ubuntu server 18.04
I try to setup a bridge and bonding port on Ubuntu 18.04 server, got a error message:
/etc/netplan/00-netcfg.yaml:15:33: Error in network definition: unknown key 'interfaces'
...
0
votes
0
answers
444
views
Lenovo Legion Y530 wifi-card not detected on Ubuntu 18.04
as the title says my problem is that the wifi card is not detected and I do not know how to solve this. Here is the output of lspci -knn | grep Net -A3; rfkill list
07:00.0 Network controller [0280]: ...
- 1
1
vote
0
answers
5k
views
How to configure openvpn log location and verbosity when using network-manager-openvpn on ubuntu 18.04?
A previous question mentions that the log can be directed to a file instead of syslog and the log verbosity can be increased. I'm trying to debug an issue with my vpn and am not sure where I'd add ...
- 353
0
votes
1
answer
599
views
No ethernet link detected on Ubuntu 18.04 for unknown reason
I am running into an issue on my Dell device where during boot up, the ethernet link light is on but then it goes off after fully booting and the two ethernet ports are no longer recognized.
This is ...
- 121
0
votes
1
answer
378
views
Can I add a newer network manger to 18.04?
I need a newer version of Network manager on 18.04 as far as I can tell there are many but they aren't (for good reason?) being included in the distro.
Can I add a newer version to the apt and have ...
- 1,683
2
votes
2
answers
11k
views
Wired Connection occasionally disconnects Ubuntu 20.04.1
I did a vanilla installation of 20.04.1 LTS on a PC using a wired connection (no on board WiFi) to a Netgear Gigabit switch for LAN access using an RJ45 Cat6 data cable (checked for correct integrity) ...
- 10.9k
1
vote
1
answer
2k
views
Frequent time out on ethernet
It seems like this is quite a common problem with Ubuntu, from the other threads I've seen, but I have been unable to find a solution that fixed my issue. I am running a fresh Ubuntu 18 installation ...
- 21
1
vote
1
answer
693
views
Why is DH20 not correctly negotiated with remote host when establishing an IPSec tunnel?
Trying to connect a computer to a VPN server configured this way :
Router# show isakmp policy
ISAKMP policy: L2TP_VPN
IKD_ID: 8
negotiation mode: main
proposal: 1
encryption: aes256
...
- 263
0
votes
2
answers
2k
views
Cannot connect to PPTP VPN on Ubuntu 18.04
I am fairly a new user to Ubuntu and Linux distributions and installed 18.04 LTS on vmware workstation. i already have a VPN connection that is working fine from a Windows machine. but if i configure ...
1
vote
0
answers
363
views
Route traffic outside L2TP IPSEC VPN on Ubuntu 18.04 client
When connecting to websites like Netflix and Stadia I would like to route the traffic outside the VPN I have setup to connect to my office. It is a L2TP IPSEC VPN setup through NetworkManager on ...
- 486
0
votes
1
answer
2k
views
Can't Connect to a PPTP VPN Server from Ubuntu 18.04 Linux
I try to PPTP as VPN Client. I try to many ways to a given IP address, user name and password using. I try using GUI and terminal both way but not succeed.
After I try to debug and found some errors. ...
- 101
0
votes
1
answer
175
views
Internet doesn't work un Ubuntu on Vmware but works onLubuntu
Suddenly, Network stopped working on Ubuntu, I'm using it on VMware workstation.
I tried to install Ubuntu 20.04 but the same result.
However, the internet works on Lubuntu.
*-network DISABLED ...
1
vote
1
answer
586
views
Wifi disconnects frequently Ubuntu 18.04 (journalctl NetworkManger error codes)
There are obviously a number of similar questions here, e.g.:
Wifi Frequently Disconnecting (timeout)
https://unix.stackexchange.com/questions/525272/ubuntu-18-04-keep-disconnecting-from-home-wifi-...
- 119
0
votes
1
answer
377
views
Only one device can connect to accesspoint created with wifi-ap
I'm using a Dell Edge Gateway 3001 running Ubuntu Server 18.04 to connect IoT Devices sharing the Ethernet (and GSM later on) connection. I've used the wifi-ap snap to configure the AP and it seem to ...
- 101
0
votes
1
answer
977
views
Unable to set interface up in Ubuntu 18.04
I just installed Ubuntu 18.04 on a new laptop. During the installation I was able to connect to a network, so when I finished the installation and updated the software, Ubuntu is not showing any ...
1
vote
5
answers
9k
views
Cannot connect to some sites on Ubuntu 18.04
Recently some of the websites stopped loading on any browser of my Ubuntu 18.04. When I try to open sites like StackOverflow, UbuntuForums, seedr.cc, gives me the following message (other browsers ...
- 83
3
votes
1
answer
766
views
How to correctly setup Ubuntu 18.04 LTS installed from mini.iso to use NetworkManager?
I have just installed Ubuntu 18.04 LTS from mini.iso using Ethernet/cable.
Then I have installed MATE desktop to it by sudo apt-get install ubuntu-mate-desktop^.
But the Network Manager tray icon/nm-...
- 101k
1
vote
0
answers
58
views
'No WiFi Adapter Found" even with driver running
A few weeks ago, my wifi signal was bad. I've set a few options in /etc/modprobe.d/ath9k.conf and I've got a little improvement. Now my signal started again to drop randomly, and I've tried to install ...
0
votes
0
answers
147
views
Static ip getting released
I am setting up static ip in ubuntu 18.04 using /etc/network/interfaces file.
auto lo
iface lo inet loopback
auto en0
iface en0 inet static
address 10.10.10.1
netmask 255.255.255.0
Thereafter,...
- 51
0
votes
0
answers
134
views
Ubuntu 18.04 don't see Ethernet connection
My Ubuntu has lost Ethernet connection.
sudo lshw -C network response
I've returned file 10-globally-managed-devices to empty.
regarding other two required actions. I don't have folder "/...
0
votes
1
answer
7k
views
Ubuntu 18.04 route delete permanently
I want to delete a route permanently on Ubuntu 18.04.
The route is the following,route -n:
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
....
0
votes
2
answers
5k
views
Netplan on Ubuntu 18.04 with multiple interfaces connected to internet
I am using netplan to configure the interfaces on Ubuntu 18.04, but there are a few issues. First, the metric does not seem to be working as it is set to 0. Second, once I use networkd the whole ...
0
votes
1
answer
684
views
Freeze on wifi authentication -- AX200 chipset, with 18.04, kernel 4.15, and backported iwlwifi
I have a AX200 wifi adapter from Ubit (link) that I'm trying to use on an 18.04 ubuntu install with kernel 4.15. I can't update the kernel because of needing proper CUDA support, so I've followed the ...
- 11
1
vote
0
answers
746
views
"Authentification required by wireless network" on Ubuntu 18.04.4 LTS
I have a slightly different story than the one mentioned in this question: I can connect, however, it disconnects randomly after roughly 15 minutes then tries to reconnect, asks me for the password a ...
- 11
3
votes
0
answers
432
views
WiFi not chosing a strongest signal
My computer does not connect to the strongest signal router. You can check the output when i run nmcli dev wifi (keep in mind that router in use is marked with * in the left column):
IN-USE SSID ...
- 183
3
votes
1
answer
6k
views
netplan set-name option not working on Freshly Installed Ubuntu 18.04 LTS Desktop Image on Vmware machine
I need to change network card kernel assigned name ens34 to buslan0. However, using the set-name option in netplan config, which matches the device by MAC address, does not work. The OS is fresh ...
- 41
0
votes
1
answer
173
views
Is it possible to reinstall software-manager after uninstalling on ubuntu 18.04? No network connectivity
So I was having wifi problems and decided to fix it and made the blunderous mistake of executing the following commands:
sudo apt-get install wicd
sudo apt-get purge network-manager
and in doing so ...
- 63
1
vote
1
answer
739
views
Remove Windows Network in "Browse Network" on Ubuntu Mate 18.04 LTS
I don't know if this is since I use Ubuntu 18.04 but there is a place Network with Browse Network and Windows Network in it. I did not have samba installed and deleted all configuration files of it in ...
user1031726
7
votes
4
answers
2k
views
Wifi connected but Internet drops frequently
I spent more than 2 weeks searching for a solution to the following problem without success:
On my Ubuntu 18.04, I am connected to a Wifi (named "SmartCampus") but the internet keeps dropping ...
user545149
0
votes
0
answers
1k
views
How do I set the modem route metric to 50?
The cellular configuration file for NetworkManger has the route metric set to 50. But on boot the route metric for the modem connection is 700. When the connection is taken down and brought back up ...
- 31
5
votes
2
answers
3k
views
What is creating /run/netplan/eth0.yaml?
Something is creating /run/netplan/eth0.yaml at boot and I can't figure out what it is. (I'm running 18.04 Bionic Beaver.) That file is causing eth0 to be managed by systemd-networkd but I want it to ...
- 1,743
1
vote
0
answers
291
views
Can not start NetworkManager, Bus error
I have tried to start NetworkManager by running the command
sudo systemctl start NetworkManager
but it gives me the following error:
Job for NetworkManager.service failed because a fatal signal ...
- 11
1
vote
2
answers
956
views
T4U V3 (8822bu) drivers installed on ubuntu 18.04, but cannot connect. Keeps asking password
I'm new here. Having trouble using my recently bought TP-link T4U V3 (8822bu chipset) Wireless adapter on 18.04. I have tried mostly every trick on the net and still cannot connect to my wireless ...
- 11