Questions tagged [connection]
Questions concerning network connections.
822
questions
0
votes
1
answer
1k
views
Problem with the ethernet connection
I'm having this problem with my ethernet internet connection.
My PC connects without problem, I can browse and watch videos on YouTube, the problem occurs when I download something greater than 50 MB, ...
0
votes
0
answers
142
views
Problem with wireless mouse and internet(crashes) Internet stops working with usb plugged. some times
I'm using budgie, ubuntu 20.04.
The mouse works perfectly in a few days.
On other days, it is constantly causing problems.
The internet crashes, I can't access any pages.
When I remove the usb plug ...
2
votes
1
answer
748
views
I changed permissions in my /home dir to 750 and files in it now I'm not able to connect the server [duplicate]
I changed the /home dir to 750 and files in it.
Now I'm not able to connect the server with SSH public key. It’s showing the error Permission denied (publickey).
0
votes
1
answer
2k
views
Authentication fails AD
Good day to all. Raised Ubuntu 20.04, entered it into the domain. However, it turned out that the user, after a reboot, cannot log in to the system under a domain account. BUT, if you cut off from the ...
0
votes
0
answers
232
views
How to connect to my phones's hotspot automatically as soon as it is detected by my desktop?
I have two devices through which i access the internet on my Ubuntu 21.10 desktop:a portable broadband device (always active/on) and my android phone's hotspot (active occasionally to save battery). ...
0
votes
0
answers
2k
views
Cannot connect to server after release upgrade
I was in the process of upgrading an old 16.04 LTS, and seemingly locked myself out with no way back in. Help.
I followed the basic steps:
sudo apt-get update
sudo apt-get upgrade -y
sudo apt-get dist-...
2
votes
1
answer
299
views
Ubuntu 18.04. Sudden DSL connection degrading - on and off - inconsistent slow connection to websites
I have been using my rig with no problems for 2 years. Nothing change in the last days in terms of ISP etc...
Suddenly I am experiencing troubles with my internet connection. Often I go to my favorite ...
0
votes
0
answers
532
views
Failure in pairing bluetooth device in Ubuntu 21.04
I see that failure in pairing Bluetooth devices is commonplace. I have Ubuntu 21.04,
I plugged a Bluetooth 4.0 Adapter Dongle, the device (headphones) is visible but no pairing is obtained. I checked ...
0
votes
1
answer
459
views
I installed firewall-configuration and lost the wifi
to keep the PC safe, I installed firewall-configuration from Ubuntu software:
As soon as the installation was over, I lost the WiFi connection (and even Rstudio cannot connect with R, by the way). I ...
1
vote
0
answers
411
views
How to see and manage the connected devices on your Ubuntu hotspot?
I would like to check how many devices including mine are connected to the active hotspot, and perhaps manage the devices by kicking out unwanted devices that might be connected to my hotspot. I was ...
0
votes
0
answers
2k
views
Ubuntu 20.04.2 Temporary Failure in name resolution
About 2 weeks ago my VM became unreachable from the Internet - I can't access it via ssh, I can't access the files stored on it but I can ping it. I have KVM VNC Setup for it so I logged on and I ...
1
vote
1
answer
915
views
Wired network connection keeps disconnecting
Recently, I've been trying to install and setup a Synology NAS server (DS920+) on our Ubuntu server (18.04) at work, and I am facing some connection issues with the wired connection (ethernet ...
-1
votes
1
answer
8k
views
How to use two Ethernet connections at the same time (on single pc) on Ubuntu 21.04? [duplicate]
I don't know how to use two Ethernet connection simultaneously on single PC. I was searching about this problem at least 4 hours, but I have no clue how to do it.
I am using Ubuntu 21.04 on this PC, ...
0
votes
1
answer
808
views
Bridge network suddenly stopped working (18.04)
My Desktop is getting weird. I have Ubuntu 18.04 with a bridge set up (for my gaming VM) and until yesterday all worked fine. Booted up today, no network connectivity. I have no idea where the issue ...
0
votes
0
answers
423
views
No Bluetooth Hardware on Ubuntu 20.04
I've HP Laptop, setup on Dual Boot with Windows 10.
Bluetooth works normally on Windows 10 but it doesn't seem to work on ubuntu. I read 100's of threads with no luck, finally posting a question here.
...
1
vote
1
answer
2k
views
How to make KDE connect launch at startup?
I was wondering if there is a way to make KDE connect Launch as soon as the system boots/reboots. I always have to open the KDE connect app to make sure an instance of it is running in the background, ...
1
vote
0
answers
31
views
LAMP server time out
I have a LAMP server (no M since I don't have a need for a database) where I am posting pictures to the server using PHP. Everything is working fine and then all of a sudden my devices can no longer ...
0
votes
0
answers
222
views
sqoop won't connect to mysql
I am trying to connect Sqoop with Mysql. Before I asked this question I have tried all of the solutions I searched for, but nothing worked for me.
This is what I'm typing
/usr/local/hadoop/sqoop/lib$ ...
5
votes
1
answer
4k
views
How to make unlimited mobile hotspot trick work on linux?
I recently dual booted into ubuntu because my Windows os is very slow to multitask. Surprisingly, when I tested most of my workspace in ubuntu, it can handle them very well than windows did (basically ...
0
votes
1
answer
448
views
Extreme slow internet connection on Ubuntu Server
My ubuntu server is connected with ethernet cable to the same router as my pc but doesn't nearly get the same speed. I have around 40mbit/s on my pc but my ubuntu server only gets 0.3mbit/s. They have ...
0
votes
0
answers
47
views
Putty Connect Issues
I am trying to ssh into a virtual machine using putty. The VM has my public key and I am able to connect to the VM when I am using one internet connection but when I go to another location the ...
0
votes
1
answer
201
views
ipv4 websites hardly reachable with a particular wi-fi network on a particular device wereas ipv6 ones work fine
Can hardly reach most high profile websites (e.g. https://stackoverflow.com, https://github.com) under a particular Wi-Fi network with the particular laptop regardless of the browser used. However, ...
1
vote
0
answers
307
views
Log process for outgoing connections
Is there an easy way to set up logging of all outgoing connections to certain ports, for example? Trying to figure out which programs/processes causes certain outbound connections.
Server is already ...
0
votes
1
answer
48
views
Wired connection works for a while after fresh install then stops
Have an unused laptop that I want to run Ubuntu on (and leave in a corner to run various scripts). I installed Ubuntu Desktop and a wired connection worked for a while then just stopped working (wifi ...
2
votes
0
answers
337
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 ...
5
votes
2
answers
1k
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 ...
0
votes
2
answers
598
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
votes
0
answers
68
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
1
answer
333
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
1
answer
1k
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
0
answers
366
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 ...
0
votes
0
answers
150
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
1
answer
597
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
1
answer
1k
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 ...
1
vote
0
answers
346
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
1
answer
147
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
0
answers
204
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) ...
1
vote
1
answer
228
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
1
answer
63
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
0
answers
213
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
1
answer
222
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 ...
1
vote
0
answers
54
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
0
answers
47
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....
2
votes
1
answer
528
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
0
answers
377
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 ...
1
vote
0
answers
1k
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 ...
1
vote
0
answers
120
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
0
answers
3k
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
0
answers
34
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
0
answers
350
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 ...