Questions tagged [connection]
Questions concerning network connections.
735
questions
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9 views
Cannot connect bluetooth W-Touch touchpad to ubuntu
I just bought a nice touchpad, working on Windows 10 but I'm not able to run it on Ubuntu 20.04 and I'm pretty sure there is a way to do it. Product link : https://www.brydge.eu/products/w-touch
My ...
4
votes
2answers
102 views
Why does the Ubuntu Software application think I am offline when I am online for all other applications and services?
I can update my system using apt and the Software Updater application on my Ubuntu 21.04 laptop. But I can not longer use the Ubuntu Software application. It keeps telling me "Go online to check ...
-1
votes
0answers
29 views
How to share hotspot from wifi connection in Ubuntu 20.04?
I know that it's easy to share hotspot from wired connections, but if I'm in a wireless connection I can't share a hotspot from my laptop.
0
votes
0answers
30 views
Lost internet connection, alsamixer and the driver itself after installing 'metapackage-nvidia-driver-server-450'
I'm a new Ubuntu user (Ubuntu 20.04 lts), just installed it 4 days ago and ran into trouble. 2 days ago, I got an issue in which I had to move to a previous version of the current nvidia drivers. I ...
0
votes
2answers
49 views
connect two computers to send and receive data in real time
I have an old robot that only works with Ubuntu 14.04 and Python 2. The robot arm is controlled using ROS1. I wish to program the robot using python 3. I cannot upgrade the robot or its operating ...
0
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0answers
44 views
Wifi will not automatically reconnect when I restart (Ubuntu 20.04)
It requires me to forget the network, switch off the wifi, switch back on and reenter the password each time.
I'm new to ubuntu so I have no idea what I'm doing.
I tried the following fix and it didn'...
0
votes
0answers
19 views
Realtek Ethernet unclaimed network
recently installed ubuntu 20.04 and tried connecting through ethernet but not working. Ran lshw -C network and found this out:
0
votes
1answer
22 views
Send messages to devices on a LAN
We are setting up a small computer gang and want to have a LAN with a chat channel, but without the need to connect to the WAN and use external services like whatsapp or signal etc.
Is there any way/...
0
votes
1answer
24 views
Connection failed - Activation of network connection failed
I have a Dell Inspiron laptop running Ubuntu 20.04.2 LTS.
The system has always connected to my home WiFi automatically on start without any problems.
Since two days ago every time I start the system ...
0
votes
0answers
23 views
ethtool speed - Problems
Today I got my 500 Mbits line, at the beginning ethtool was set to 100Mbits so I didn't get the full speed.
After I had unplugged and plugged in again, 1000 Mbits was displayed.
Just now the Internet ...
1
vote
0answers
34 views
How to fix “Connection Failed” in Ubuntu
I recently made a switch and installed Ubuntu. Everything was working fine and all, until I changed my network's DNS to 8.8.8.8,8.8.4.4 . Now my pc can't connect to our wireless connection. I tried to ...
0
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0answers
19 views
Problem trying to connect my ubuntu-server using my MacBook Go-->connect to server option
Problem trying to connect my ubuntu-server using my Go-->connect to server option and I get this error msg.
There was a problem connecting to the server xxx.xxx.x.xx
The server may not exist or it ...
0
votes
0answers
38 views
How can I hide my laptop from my TV? (Samsung Smart TV)
On our computer, which is used by whole family, we have AllShare app installed for watching films from computer on TV. Smehow, my laptop appeared in the same place as our computer on the TV with name ...
0
votes
1answer
42 views
Ubuntu limiting my shared connection to 10mb/s
I am using a laptop to share internet to my pc, via lan cable. I have a 50mb/s line however the connection that I am getting on the pc is 10mb/s. the laptop itself is recording between 45-50mbps on ...
0
votes
1answer
63 views
Ubuntu server ports refuse connection occasionally
Background
I have Ubuntu 18.04.5 LTS (server) running multiple services, including the usual ssh, samba and then quite a few other things, including home automation, Nextcloud, etc. It serves up my ...
0
votes
0answers
27 views
bluetooth losing connection after kernel update to 5.4.0-66
After I updated my kernel to 5.4.0-66 (ubuntu 20.04.2), my bluetooth devices (logitech mx keys and G603) loses connection all the time. Here are some basic commands outputs to debug.
lspci -vvv
00:14....
0
votes
0answers
23 views
Bluetooth turned on, but not working, ububtu 20.04
My Bluetooth is shown to be on, but the it says that it is turned off:
When I run dmesg | grep -i bluetooth, I get this error:
I tried the solutions here but nothing seems to work:
https://unix....
0
votes
0answers
56 views
Intermittent connection refused issues when accessing server running Ubuntu 18.04.5
I have a VPS set up at a hosting provider running Ubuntu 18.04.5 and recently experience intermittent connection refused issues.
The connections can be going through alright for a while and during ...
0
votes
1answer
40 views
How can I Set wait_timeout for a Spesific Database on MySQL?
I am setting a global wait_timeout value on my.cnf file but I want to set different wait_timeout values to different databases and it must not be in software side, I need to make it on MySQL service ...
0
votes
0answers
37 views
XDS gui installation - no route to host
I'm trying to install XDS on Linux Subsystem for Windows following guide in this document. So far I've successfully install xds package (step #3). I want to install XDS-Viewer etc as well (step #4) ...
0
votes
0answers
34 views
server ubuntu xrdp connection problem
I tried to connect into my server ubuntu from a remote ubuntu pc using remmina but i suddenly encountered this connection problem. I tried using another person's server profile and it works perfectly, ...
0
votes
1answer
26 views
Internet not working even though connected
I have been running Ubuntu on my Dell laptop for almost half a year. Wifi has had some connectivity issues in the past but now all of a sudden I cannot access the internet at all. I have tried both ...
0
votes
0answers
54 views
Activation of network connection failed HP Probook 650 G1
I have a HP ProBook 650 G1 with a bootable USB stick with Ubuntu 20.04.2. Wi-Fi works, but the ethernet connection gives periodically:
Activation of network connection failed.
The ethernet port is ...
1
vote
1answer
52 views
Why do the following netstat, ps, and auth.log have such output?
I seem to be getting a lot of different connections (ssh) on this Ubuntu server I am sshed into. Are these just brute force attempts?
When running netstat -tnpa | grep 'ESTABLISHED.*sshd' why do I get ...
0
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0answers
72 views
Lost dongle on Razer headset. Can it be fixed?
I have Razer Thresher, Man of War and R. Electra headsets all wireles without dongles so I cant connect them. Is there a way to install drivers on some dongle or replacment?
But im more intestred in ...
1
vote
0answers
17 views
When VPN is connected it disconnects other clients connections to the server
Connecting to EnterpriseVPN Gateway from Ubuntu 20.04
I'm on Ubuntu 20.04. I followed the tutorial here to install and connect to a VPN, which worked brilliantly. I'm using PuTTy and WinScp to connect....
2
votes
0answers
23 views
Internet connection via WIFI stops/slows down significantly after turning on bluetooth
After turning on Bluetooth and connecting headphones, laptop stays connected to WIFI but internet connection goes down.
Here's output for lspci -nnk | grep -iA2 net:
Subsystem: Lenovo QCA9377 802....
0
votes
1answer
103 views
Setup new connection in mysql workbench using standard TCP IP over SSH
Could not read the contents of .ssh directory
Error opening directory '/home/[username]/.ssh': Permission denied
I can see in the list of running processes that mysql-workbench is not running as root ...
0
votes
0answers
61 views
Bluetooth suddenly turn off and won't turn on on Ubuntu 20.04.1 LTS
I'm using Ubuntu since a week now, the only issue I have is the Bluetooth suddenly stop working and turning on is disabled in settings saying "No Bluetooth found - Plug in a dongle to use ...
0
votes
0answers
61 views
How to set wifi to automatically connect to strongest signal
I note that when I turn on the Wifi for my Ubuntu 20.04 computer, it always connects to the last connected network (if possible). I would like it to connect, instead, to the network with the strongest ...
1
vote
0answers
313 views
ssh connection refused headless install
I am trying to do a headless install of ubuntu 20.04 on my raspberry pi 4, however when I try to connect to the Pi via SSH I get the error message "Connection refused".
I have tried copying ...
0
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0answers
17 views
I should be getting 300mbps but now I am getting around 25mps (download and upload)
I just installed ubuntu 20.04 on my Lenovo y740. I deleted Windows 10. Windows was super buggy and I had connectivity issues. My ISP's plan is a gigibit plan. While windows was working, I was getting ...
1
vote
0answers
41 views
WiFi connection keeps dropping after short time
WiFi card worked fine for nearly a year until recently. Now it keeps dropping and reconnecting.
I have tried shutting off power management but did not resolve issue. Card is Realtec PCI card.
I'm ...
0
votes
0answers
14 views
WiFi network options are not available after restart [duplicate]
I'd like to state off the bat that I am a complete noob to ubuntu so i apologize in advance if this is simply an easy fix that flew over my head.
Ive been running ubuntu on my laptop for some time now ...
0
votes
0answers
240 views
How to keep SFTP connection alive?
I frequently connect to an Ubuntu VPS using SFTP from an Ubuntu desktop using the command line. The server disconnects me after a ridiculously short period of inactivity… something like 180 second or ...
0
votes
0answers
32 views
High internet speed (using LAN) on ubuntu 20.10 system, but low speed on devices (android smart phones) after connecting to ubuntu hotspot
I recently switched on to Ubuntu 20.10 from my Windows OS. I connected my laptop having Ubuntu to internet via LAN, and the speed on it is fine, ~100 Mbps. When I created hotspot on laptop to get ...
0
votes
0answers
33 views
WiFi connection issue
I am not able to connect Kubuntu to WiFi . I can only connect with wired connection .Please
tell me how can I connect it to WiFi.I am also not able to find any video on YouTube.
0
votes
0answers
75 views
Can't remotely connect to MongoDB on Ubuntu 20.04 remotely
I currently encountered a problem that MongoDB on Ubuntu 20.04 rejected my remote connections although I allowed my IP through ufw as well as adjusted the bindIp in mongod.config file. I did the same ...
0
votes
0answers
113 views
SSH Ubuntu server not replying to mac client
I'm trying to connect to my Ubuntu server from my macbook client through ssh.
Port 22 is open and the server is not behind a router.
I've run sudo tcpdump -i any port 22 -n -Q inout
The request is ...
0
votes
0answers
20 views
set wireless connection as default internet and use wired for connect to the local computer
I'm using wire connection for remoting to windows10 pc directly by remmina remote desktop but when it's connecting wireless internet can't work.
ubuntu 20.04.01 LTS
I want connect a computer by wire ...
0
votes
0answers
21 views
Ubuntu - both wifi and enthernet conection aren't recognized
've got strange problem with ubuntu (20.04.1 LTS 64bit). Ubuntu doesn't recognize any internet connection, in fact it doesnt even recognize wifi and enthernet adapters. (ifconfig -a only shows lo and ...
0
votes
0answers
20 views
Dongle WiFi USB stick excruciatingly slow. PasteBin.com diagnose
I have D-Link wifi stick.
I was following https://ubuntuforums.org/showthread.php?t=2404659
Diagnose result posted here
https://pastebin.com/NBzg9Kzr
Can anybody suggest a way to please speed things ...
2
votes
0answers
223 views
After upgrading to ubuntu 20.04 - Failed to apply network settings. you might not be able to connect to the Bluetooth network via this machine
I recently upgrade my system from Ubuntu 18.04 to Ubuntu 20.04. In Ubuntu 20.04, I’m unable to connect my Bluetooth headphone with my system (Dell, Inspiron 14, 3000 series). I have also Windows OS ...
0
votes
1answer
153 views
Ubuntu 20.04. laptop closed lid issue
I am solving a minor issue with my Ubuntu 20.04. Focal fossa.
This might be relevant for all users using a laptop closed aside with an external display.
Whenever I shutdown or reboot the computer (...
0
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0answers
295 views
Check Point Endpoint Security VPN Connection with SecTrail MFA
I can connect a VPN by using Check Point Endpoint Security VPN tool in Windows 10 with SecTrail Authenticator, and now trying to do this in Ubuntu. Can you please explain how I can do that in Ubuntu ...
1
vote
1answer
965 views
connect to vpn in ubuntu 20.04 problem
I have VPS windows server that have VPN enabled on.
I'm already connected to that VPN with android phone and windows10.
but i want to connect to that with Ubuntu 20.04 and get "connection failed&...
0
votes
0answers
20 views
establish a connection to google server
My problem is since I install ubuntu I struggle to open a google search page www.google.com or any sub-page of google, for example, google.com/adsense/
Knowing that my internet connection is good and ...
1
vote
0answers
28 views
Wired connection totally disappeared from the settings
My pc is connected to the router which provides connection data automatically [ip,dns and all other]
I have dual boot in my pc, windows and ubuntu, The wired connection works fine in Windows, but no ...
0
votes
0answers
1k views
How to solve ssh error “ssh_exchange_identification: read: Connection reset by peer” on ubuntu server correctly
Related very closely to question and answers like:
How to fix "ssh_exchange_identification: read: Connection reset by peer" error?
My reputation is too low to comment or provide answer ...
1
vote
0answers
41 views
Connection error while setting up academic VPN
I am trying to set up my university's VPN on my ubuntu so that I can access the university's network from my home. But it always ends up with an error "activation of network connection failed&...
