All Questions
Tagged with network-manager 16.04
239
questions
0
votes
1
answer
154
views
DNS not working on 16.04
I'm using an HP MicroServer Gen8 which has two network ports - but have the same issue with both.
I've tried resetting all network-related settings. I then connected using the remaining ifupdown ...
- 101
0
votes
1
answer
2k
views
snap "network-manager" is already installed, but nmtui is not working
snap "network-manager" is already installed, but nmtui is not working.
when I command nmtui it shows to apt install network-manager. after command apt install network-manager here output is ...
1
vote
1
answer
568
views
Static IP forcing route to interface that is not connected to network
I am setting up a kiosk type system that some times connects to a specific ethernet source with a static IP and other times connects to a variety of wifi networks via wpa_supplicant. Once the system ...
- 410
0
votes
1
answer
50
views
Wi Fi Problem on Ubuntu 16.04.1. Connecting and Disconnecting continuously
I installed Ubuntu 16.04.1. From that point my Laptop not connection to router (DLink-DWR-116).
It behaves randomly.
Problems I faced:
Some time's it is connecting by restarting network manager ...
2
votes
0
answers
744
views
ath10k_pci wifi adapter present, but wireless settings absent and can't connect to any wifi
I am using Ubuntu 16.04, recently I upgraded packages and since then I am facing the issue of no wifi settings and wifi networks are not visible.
screenshot of wifi settings absent
Please help me out, ...
0
votes
1
answer
1k
views
Ethernet (wired connection) is Unreachable in Ubuntu 16.04
I have a system dual boot with Windows 10 and Ubuntu 16.04.
Windows 10 can access the internet, but Ubuntu 16.04 can't.
I have checked in Windows 10 where WOL is not enabled on the ethernet.
And you ...
- 567
0
votes
2
answers
2k
views
network UNCLAIMED : Lost Ethernet/WiFi drivers after updating to Ubuntu 16.04.6 simultaneously on 2 different computers!
Updated from 16.04.3 to 16.04.6 (over ethernet on one computer, WiFi on the other) and now no ethernet or WiFi, only the loopback.
I am flexible if the solution requires going back to 16.04.3.
I ...
2
votes
1
answer
8k
views
How to stablish a Fortinet-VPN connection on Ubuntu 16.04 (as client)?
Right now the official FortiClient available for Linux lacks VPN functionality.
I need to connect from an Ubuntu 16 system to the VPN of an employer and they only use FortiClient VPN...
What should ...
- 48
0
votes
0
answers
32
views
No Internet connectivity on Ubuntu LTS 16.04
I am using Ubuntu LTS 16.04 as a VM on windows 10 but i cannot seem to get any internet connectivity. I cannot ping 8.8.8.8 (network unreachable) and the network manager says 'the system network ...
1
vote
0
answers
667
views
Ubuntu 16.04 route all traffic through OpenVPN using Network Manager
On a clean ubuntu 18.04 server (amazon EC2), I installed openvpn access server 2.8.3 using the following commands taken from official documentation:
1) apt update && apt -y install ca-...
- 111
1
vote
0
answers
44
views
DNS lookups stop working (16.04.6)
I have a Ubuntu server (full desktop... don't ask) running 16.04.6 where DNS lookups stop working occasionally. Restarting the NetworkManager service resolves the issue, but only temporarily.
I'm ...
- 111
1
vote
0
answers
404
views
Permanently disable hotspot in Ubuntu 16.04 and 18.04
Our company is totally open-source. Mostly we work on Ubuntu 16.04 and 18.04. Most of our employees have turned on the hotspot in the network settings. We want to block all these hotspot connections. ...
- 31
0
votes
1
answer
619
views
Wifi turns off automatically in Ubuntu 16.04 if speed goes above 150 Mbps
I have 5G internet connection. Speed is always between 200 - 300 Mbps. When I am downloading something and download speed goes above 150 Mbps, WiFi turn off. It doesn't even show available WiFis. ...
- 67
0
votes
2
answers
972
views
In Ubuntu 16.04 wired connection losing the Internet after a while and need to reconnect
I'm using Ubuntu 16.04 LTS and everything is upgraded and updated in my system .
But when i'm using internet with wired connection i will lose internet once in a while !
For using internet i must ...
- 181
1
vote
1
answer
1k
views
Ubuntu 16.04 disconnecting from ethernet
I have Ubuntu 16.04 and recently I get disconnected from the internet (ethernet) a couple of times within an hour. I had my ISP to check my router but they did not find any issues. It happens both on ...
- 529
0
votes
0
answers
336
views
Cannot obtain DHCP address ubuntu 16.04 - ethernet card
I've searched the web already about this issue. It seems many are facing it, but unfortunately none of those solutions seemed to have worked with me.
My latest is this one, where I've reinstalled the ...
- 433
6
votes
1
answer
4k
views
NetworkManager will not autoconnect to wireless if it is unavailable at creation time
As part of an automated build process for Ubuntu 16.04 servers, I use nmcli to create network profiles, including wireless. This is on headless systems without window manager FWIW.
I have noticed ...
- 63
1
vote
0
answers
198
views
Lenovo Wifi doesn't work on Ubuntu 14.04/16.04. Please help
Ubuntu can't find my wlan devices. iwconfig doen't list any wireless lan.
rfkill lisst all output is empty.
Please see my wireless info
########## wireless info START ##########
Report from: 07 Jul ...
- 119
1
vote
1
answer
5k
views
Route only specific intranet traffic via eth0; everything else via wlan0
I am relatively new to networking so bear with me if you please. I am using Ubuntu 16.04 on an NVIDIA Jetson TX2. I have a Velodyne Lidar VLP-16 Lite connected directly to the Ethernet port and am ...
0
votes
1
answer
1k
views
Forticlient VPN SSL DNS works fine with a Mac, but not with Ubuntu
I got a connection with a VPN. I use Forticlient VPN SSL.
When I use my mac, I connect normally to the VPN and then go to somesiteinmyDNS/mythings and works perfectly fine.
However, when I connect ...
- 101
0
votes
0
answers
171
views
Cannot ping 8.8.8.8 or reinstall resolvconf after uninstalling
I initially had a problem where ping google.com results in
ping:unknown host google.com.
After following the guide below which instructed to uninstall and reinstall resolvconf, now I can no ...
- 1
0
votes
1
answer
199
views
I can connect to my wifi, but I can't connect to internet in post-installation of Ubuntu 16.04
I have recently decided to switch to Ubuntu on my personal laptop. I decided to install Ubuntu 16.04 since I was running into issues with version 18.04. After two days, I was able to installed ...
- 113
1
vote
2
answers
3k
views
QCA9377 Unstable WiFi connection on Ubuntu 16.04
I have a problem with Wi-Fi on a Dell laptop with a Qualcomm Atheros QCA9377 802.11ac wireless network adapter.
WiFi somewhere every 5-10 minutes just stops receiving and sending data. I can not ...
- 11
0
votes
2
answers
9k
views
Can't update NetworkManager to latest stable version
I am running Ubuntu 16.04
NetworkManager --version
returns 1.2.6
I am wanting to update to the lastest stable version (1.14.4) from here.
The install documentation says "the shell command './...
- 491
1
vote
2
answers
7k
views
kernel: audit: type=1400 audit(1549657329.185:141): apparmor="DENIED" operation="open" profile="/usr/lib/NetworkManager/nm-dhcp-helper" name="/usr/lo"
Use Ubuntu 16.04 LTS, what happened was the following. All the connections stopped working from one moment to another, I had a fault in the internet, the networks fell but when the internet came back, ...
- 111
0
votes
1
answer
188
views
ubuntu 16.04 is automatically connecting to its own created wifi-hotspot via create_ap. And avilable wifi networks are not detected
I have been using create_ap to create wifi hotspot to connect from my mobile phone, everything was running smoothly with no errors.
(Here is how I create the netwrok sudo create_ap wlp3s0 wlp3s0 ...
- 11
2
votes
1
answer
3k
views
Ubuntu 16.04 cannot connect to wifi: The Wi-Fi network could not be found
This has been driving me nuts. Here is a sequence of events that happened (to the best of my memory):
Wifi was working fine on my Ubuntu 16.04 computer. But after installing security updates (using ...
- 151
0
votes
1
answer
155
views
Ubuntu 16.04 wired and wireless connection detected but no internet access
[https://superuser.com/questions/756145/ubuntu-14-04-wired-connection-detected-but-no-internet-access][1]
I checked the answer in above link and ping but I get:
3 packets transmitted, 0 received, ...
- 336
1
vote
0
answers
322
views
16.04 Failing to boot due to Bluetooth / Network Manager Wait Online?
What machine do I have?
Dual boot machine with Windows 10 and Ubuntu 16.04.1 LTS
What was the last thing I did before the issue?
Tried updating bluetooth packages.. tried installing pulseaudio, and ...
- 11
0
votes
0
answers
102
views
Wi-Fi stops working from time to time
I have Ubuntu 16.04 installed on my Lenovo Thinkpad E560 laptop.
From time to time the wifi somehow stops working. I can see it is "connected"
to router, but when trying to reconnect, it does not find ...
- 1
3
votes
2
answers
1k
views
if-up.d launches two instances of a single script
Case:
On our Ubuntu Xenial(16.04) station I host a bot written in Python that connects to our IRC server that's set to launch in /etc/network/if-up.d/
Our bot was connecting twice though the script ...
- 291
3
votes
1
answer
5k
views
Shorten nmcli connection timeout from 120s to 10s, try a lower priority interface quicker
On Ubuntu 16.04 lts I am using nmcli to manage the network interfaces. I have connections like so.
NAME UUID TYPE DEVICE
link-local-0 da55e0dd-...
- 31
0
votes
1
answer
414
views
Connection works, iwconfig doesn't
I am trying to get information about my wlan0 connection from iwconfig. When I run iwconfig I get this:
wlan0 no wireless extensions.
When I run ifconfig I get
wlan0 Link encap:Ethernet HWaddr ...
- 241
1
vote
0
answers
1k
views
Setting IP address if DHCP server fails at bootup
Is there a way to set default eth0 setup in linux. I know I can give it a default static IP at boot up with sudo ip route add default via 10.0.0.1 dev eth0. Is there a way to change it to DHCP at ...
- 73
0
votes
1
answer
2k
views
Wifi Device Not Ready Ubuntu 16.04 HP
Wifi not working on my HP laptop.
I have tried
sudo systemctl restart network-manager.
It doesn't work.
Here are output of few commands:
nishanthr@vision:~$ lspci -vvnn | grep -A 9 Network
02:00....
- 155
0
votes
1
answer
750
views
nm-applet reports "No network devices available" - how to fix?
I'm having strange issue on my Ubuntu MATE 16.04.5 LTS which is installed on external USB 3.0 drive.
It uses GRUB installed in MBR.
It has all updates installed.
The file-system is clean (forced fsck ...
- 101k
1
vote
0
answers
231
views
16.04 - Ubuntu can't connect to ad-hoc network
I set up an ad-hoc network on a 16.04 Ubuntu machine, to which I used to connect from a 14.04 laptop.
I now changed my laptop and installed 16.04, and I am now unable to connect to that same network,...
- 11
1
vote
0
answers
328
views
Wifi stopped working on Ubuntu 16.04 after installing opencv
today I have installed opencv project on my ubuntu, using this tutorial :
https://www.pyimagesearch.com/2016/10/24/ubuntu-16-04-how-to-install-opencv/
For some reason, the wifi connection stopped ...
- 111
1
vote
1
answer
6k
views
Ubuntu 18.04 WiFi access not authenticating [duplicate]
I've had this problem since 16.04 and hoped it would resolve itself in 18.04. Since it hasn't, I'm making this post:
My GalagoPro running Ubuntu 18.04 connects at home without issue. Username and ...
- 327
1
vote
0
answers
352
views
Ethernet cable suddenly appears "disconnected" on 16.04 LTS
Ethernet connection worked fine for years under Ubuntu 16.04 LTS until today when it failed after boot and ever since, resulting "disconnected".
What I've tried so far:
changing the cable -> failed
...
- 143
2
votes
0
answers
90
views
Ubuntu 16.04: no wifi broadcasts except mobile hotspots are detected
My original problem was that I kept running into during bootup. Usually, I'd just reboot a few times and the error went away. I even tried following these instructions to resolve it, but it did not ...
- 131
1
vote
1
answer
11k
views
cockpit manage networking interfaces from the "Unmanaged Interfaces" list
How can i move interfaces between the "Interfaces" and "Unmanaged Interfaces
" section in cockpit ?
Under what circumstances are interfaces moved to the "Unmanaged Interfaces
" section ?
I run ...
- 91
0
votes
1
answer
1k
views
Ubuntu 16.04 network manager not showing wifi (r8822be)
I've tried many solutions online.. plz help me.. PC is Lenovo y7000. Dual-boot with ubuntu 16.04.
Key Issue:
Network manager not showing wifi like this: (not my pc, but almost same)
Network ...
- 1
0
votes
1
answer
70
views
Ubuntu 16.04 - Wi-fi , IP is on a network different than my gateway
I have a partitioned Lenovo pc. One partition with Ubuntu desktop 16.04, one with Windows 10.
Windows has internet connection, Ubuntu does not. It is on a different network.
I tried gathering some ...
- 11
1
vote
0
answers
673
views
How do I install the latest network-manager on Lubuntu 16.04 LTS?
Due to a bug 1211110 in network-manager, I need to update it to a latest version to fix it.
What is the best way for me to do so?
- 19
0
votes
1
answer
275
views
How do I set a network connection as a "system connection" from the CLI in 16.04 (LTS)?
I cannot login to a 16.04.4 LTS desktop installation after reboot via SSH unless I first login to the console locally (set to boot text only, not GUI).
According to this answer, network connections ...
- 178
0
votes
2
answers
761
views
networking: DNS settings ignored
For several months, I have been successfully connected to the net via a static IP with my machine that is running ubuntu (16.04.3). I recently had to reinstall the OS, and now on the same machine, the ...
- 485
0
votes
0
answers
181
views
When Ubuntu starts, networking is disabled
I notice that when my Ubuntu 16 laptop reboots, at the start up screen my WiFi network will temporarily connect, but after a few moments it disconnects.
I have edited my /etc/rc.local to have ...
- 133
0
votes
1
answer
699
views
Adhoc network to do p2p communication in ubuntu machines
I need to do peer to peer communication between my 2 ubuntu 16.04 machines.
I created an ad-hoc network in 2 laptops.
In the Wi-Fi settings tab, I gave SSID name as Ad-hoc and I changed the mode to ...
5
votes
3
answers
21k
views
Very slow DNS lookup
I'm on Ubuntu 16.04 LTS, and when I visit a website/curl/wget/ping/etc anything that isn't an IP address, it takes an annoyingly long time (> 5 s), whereas anything directly using an IP address is ...
- 152