Questions tagged [connection]

Questions concerning network connections.

Filter by
Sorted by
Tagged with
0 votes
0 answers
24 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 ...
ziyiyituxe's user avatar
3 votes
0 answers
1k 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 ...
Jhon Wright's user avatar
0 votes
1 answer
1k 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 (...
happy Ubuntu explorer's user avatar
2 votes
1 answer
5k 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&...
mohsen's user avatar
  • 123
1 vote
0 answers
61 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 ...
Tareq Mahmud's user avatar
3 votes
0 answers
11k 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 ...
mhack's user avatar
  • 31
1 vote
0 answers
49 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&...
roguestate's user avatar
0 votes
0 answers
4k views

SAMBA on server which is in a specific Windows Domain

I unfortunately do not have root access to this server. it is supported by another department so my additional information maybe limited. 1: The linux Server is connected to a DOMAIN 2; if your ...
JHRJAM's user avatar
  • 1
1 vote
1 answer
2k views

Connectivity issues, message "Network unreachable"

I'm facing a lot of connectivity issues on my fresh Ubuntu 18.04.3 LTS server. I have installed Docker and when running docker run hello-world ... the following error occurs : Unable to find image '...
Ole EH Dufour's user avatar
0 votes
1 answer
66 views

Bluetooth headphones are connected but sound output is coming from the speakers

My bluetooth headphones are connected. It even shows that in sound settings, but sound output is coming from the speakers.
shashwaaat's user avatar
1 vote
1 answer
3k views

MEGASync in Nemo shows error: (nemo:70308): WARNING ** connect() failed

When I start Nemo with the debug postfix (nemo --debug) and MEGASync is not started & connected, I get the error on the command line: ** (nemo:70308): WARNING **: 14:01:02.206: connect() failed ...
Filbuntu's user avatar
  • 12.9k
1 vote
0 answers
149 views

Connect laptop Mic and speaker to android cellphone for calling (call by cell phone from laptop)

I have some problem with my android microphone part of my cell phone, so i like to know is there any app to give me ability to sync the laptop with android cell phone to use laptop mic and speaker ...
Soheil Paper's user avatar
  • 1,407
0 votes
1 answer
2k views

Ubuntu 20.04 connection times out [duplicate]

I was trying to apply "sudo apt-get update" command. However when I run the command, I get output like this; berke@berke-ABRA-A5-V15-8:~$ sudo apt-get update Hit:1 http://ppa.launchpad.net/...
Berke Şentürk's user avatar
1 vote
1 answer
380 views

TP- Link Not working on dual boot

Model : TL-WN725N I have been using windows for a long time now. I haven't faces any issues with the tp-link adapter. Today i dual booted windows and ubuntu. I installed the drivers on the ubuntu and ...
Code_Ostrich's user avatar
0 votes
1 answer
2k views

How does two OpenVPN connections open the same time work?

I am running OpenVPN on Ubuntu 20.04. I have two VPN's to our offices in two different European countries. I can connect both at the same time I found out. How will that work as far as connectivity is ...
Christian's user avatar
  • 1,729
5 votes
2 answers
4k views

Bluetooth earbuds constantly reconnecting (Sennheiser Momentum TW 2)

i'm running currently Kubuntu 20.04 and trying to connect new earbuds (Sennheiser Momentum true wireless 2) but i get the earbuds connected and after a second disconnected, then it tries to connect ...
user avatar
1 vote
1 answer
970 views

Error to starting QJackCTL

i am using Ubuntu-Studio (20.04) i installed it a few days ago on a CX216 notebook, and it gives me the following error when trying to start QjackCTL: PS: I had previously tried installing it on a ...
Shirubius's user avatar
8 votes
3 answers
6k views

Topic: Ripper X & Asunder CD Ripper

I happen to be an old fuddy duddy who still rips CD's (Thanks for not laughing out loud), when I went from Ubuntu 19. something to Ubuntu 20.04 both Ripper X and Asunder are unable to connect to the ...
FJC500's user avatar
  • 81
0 votes
0 answers
95 views

Error while logging in to my remote server

when I try to login to my remote server from the University I get an error as follows: Connection failed. Missing }. Missing }. } : Command not found. Missing }. red255green255blue255: Command not ...
Kiran's user avatar
  • 21
0 votes
0 answers
292 views

(Edited*) Ubuntu No Wifi EVEN AFTER installing realtek rtl8821ce wifi driver

this is continued thread of Ubuntu 20.04 Wifi Option Non-existant (No GNOME, No option in settings). I followed instructions of Wi-Fi not working on Lenovo ThinkPad E570 (Realtek RTL8821CE) as ...
trenta coollime's user avatar
5 votes
1 answer
3k views

Citrix not connecting in ubuntu 20.04

Cannot connect to. Address family not supported by protocol. Verify your connection settings and try again. EVerything was working fine. Suddenly, I am getting this error. I deleted the softlink for ...
user2708646's user avatar
1 vote
0 answers
285 views

Question mark on wifi icon and internet not working

So the question mark in the wifi icon appeared a couple days ago and it was usualy there for a couple min and then it was gone and everything was worknig fine but today it has been there and hasn't ...
Diego Rodríguez Cid's user avatar
0 votes
1 answer
907 views

How do I stop the Windows Ubuntu terminal from disconnecting from SSH?

I'm using Ubuntu 18.04 LTS to SSH into my Linux machine at work from my Windows computer, but after inactivity (either working on something else for a time, or, more annoyingly, running a command ...
jonnybolton16's user avatar
0 votes
0 answers
4k views

MySQL localhost connection refused

When I try to connect to localhost I get this error message [08001] Could not create connection to database server. Attempted reconnect 3 times. Giving up. java.net.ConnectException: Connection ...
ward's user avatar
  • 1
0 votes
0 answers
82 views

ssh connection problem: unusual behaviour

I'm perplex about this problem with my ssh connection to my ubuntu server (perplex = not an expert, of course): try to connect my iMac this morning as usual (through LAN): not working. times out ...
sgmiriuka's user avatar
2 votes
0 answers
756 views

KDE Connect - Main phone and Desktop cant see each other - Second phone can see both my Main phone and Desktop

I was trying to set up KDE Connect on my Debian with KDE Plasma and my Main phone, however they could not see each other. Because of that I spent quite a lot of time dealing with the issue and ran ...
Njegosh's user avatar
  • 23
0 votes
0 answers
682 views

wifi connections not showing in Ubuntu 20.04 LTS in Toshiba Satellite Laptop C850

Recently I updated my Ubuntu, my wifi connections were not showing up. Then I used a command sudo apt-get autoremove to set it right. This worked for me until today. I am getting no connections. Even ...
Adeena Lathiya's user avatar
0 votes
0 answers
31 views

How to prevent local laptop to server connection active?

I have a windows laptop in which I have installed ubuntu subsytem. Instead of using Putty, I have installed ubuntu subsytem. Now through my ubuntu subsytem, I ssh to the server where database is ...
The Great's user avatar
  • 133
0 votes
1 answer
82 views

Really slow upload/cast compared to smartphones and other laptops in the same network

I really wanted to cast videos to my Google Chromecast, but I'm facing a really slow connection that doesn't occur with other devices in the same network. For example I'm trying to send stuff from ...
np_3ka's user avatar
  • 544
0 votes
1 answer
541 views

Cannot open sockets after suspend

When I boot my computer everything works fine, but after resuming from suspend applications are not able to open new local sockets. My connection and DNS are fine. I can ping domains. I can browse ...
Stewart's user avatar
2 votes
0 answers
124 views

Help getting SSH server working again?

I have a ubuntu desktop on my home network that I used to be able to ssh into from several different machines, but about a week ago it stopped working. The only thing that I can think of that I ...
fri3ndlygiant's user avatar
1 vote
1 answer
106 views

How do I stop my computer form disconnecting from my WiFi adapter?

So I'm pretty new to Linux and just installed Ubuntu a few days ago and a problem I've been having with my computer is that my Wifi adapter keeps on disconnecting itself after roughly an hour of use. ...
Sidharth Rao's user avatar
0 votes
0 answers
591 views

How to remotely restart sshd?

When I try to connect to the ubuntu server, I get timeouts, ssh_exchange_identification: read: Connection reset by peer. Most of the answers suggest a reboot, but I'm unable to physically reboot it ...
RinW's user avatar
  • 121
0 votes
0 answers
140 views

GSconnect doesn't function on Ubuntu 18.04 virtual machine

I'm trying to install GSconnect on my Ubuntu 18.04 on a virtual machine. I installed it from https://extensions.gnome.org/extension/1319/gsconnect/ but it doens't work or it cannot find my device. ...
pietro esposito's user avatar
0 votes
0 answers
1k views

FAHClient cannot connect on Ubuntu 19.10

I've been running FAHClient successfully for one day now, and hence been contributing to the protein folding project. ... Well, I was until I recently booted my system. Now, the client won't connect, ...
Jayaguru-Shishya's user avatar
4 votes
1 answer
2k views

I can only ping google and ubuntu

I am using ubuntu-server 19.10 and I can only ping (from what I have tried) google.com, youtube.com and ubuntu.com. I however cannot ping, wget or git clone from github.com, cnet.com, duckduckgo.com, ...
bird-dancer's user avatar
0 votes
1 answer
557 views

Skype 4.3 can not connect on Ubuntu 18.04

In Ubuntu 18.04 x86_64, I installed Skype 4.3 from snap. After setting the username and password (I checked them), any login attempt fails after a long wait: "Skype can not connect". Then, I ...
BowPark's user avatar
  • 919
0 votes
2 answers
1k views

Cannot connect to the internet through an ethernet switch

I am in the process of moving my computers to Ubuntu. Things are going pretty well on my first installation, but during the process I began to have serious internet connection problems. I know this ...
Jim's user avatar
  • 39
1 vote
1 answer
870 views

SSH - Permission denied (publickey) with Password Authentication

I'm not able to log into my remote machine and get the Permission denied (publickey). even through I manually specify the options to use password authentication ssh -o PubkeyAuthentication=no -o ...
user14492's user avatar
  • 111
0 votes
2 answers
2k views

Ubuntu 18.04 Connect to Xserver from remote

I have setup an Ubuntu 18.04 on a Touchscreen-Display and I want to start a graphical programm from a remote system to display it on the touchscreen. When I try it I get the error Can't open ...
TScherfel's user avatar
1 vote
1 answer
432 views

ssh login stucked

I can login in ssh but it stucked somewhat during after pledge notification debug1: pledge: network debug1: client_input_global_request: rtype [email protected] want_reply 0 PTY allocation ...
Netorica's user avatar
  • 123
0 votes
1 answer
2k views

18.04 Remmina, remote desktop connection, best way?

I have 2 laptops with Ubuntu 18.04 with XFCE installed, on different networks (providers), locations are about 30 km distant. SSH connection configured, no problem with connection to remote machine ...
genderbee's user avatar
  • 850
0 votes
1 answer
306 views

Ubuntu 19.10: Retries password after re-installing bcmwl-kernel-source

There is an Ubuntu 19.10 with all recent updated up to date. Problem Wifi is unable to connect to a secured point. The password is correct, but the popup window would re-ask for the password again ...
0leg's user avatar
  • 311
0 votes
1 answer
741 views

Internet only connects to certain websites (Google, Wikipedia, Facebook, Twitter)

I didn't change anything before this problem happened. I try to go to any other websites besides the ones listed in the title and it tells me the site's IP address could not be found. I tried looking ...
loaf's user avatar
  • 11
1 vote
1 answer
13k views

error message when using wget to Internet : Connecting to localhost (localhost)|::1|:8080... failed: Connection refused

when running: wget https://gitlab.com/marsat/CTparental/uploads/35fd33508a49915869fa43820a7d2c36/ctparental_debian9_lighttpd_4.44.05-1.0_all.deb Here is the result: converted 'https://gitlab.com/...
lalebarde's user avatar
  • 141
0 votes
2 answers
172 views

Cannot access internet at all

I am new to ubuntu and have a wired connection.. it is working on windows 10 but somehow it's not working on linux..I don't have wifi..I'm only using one cable. not working My connections Version: 18....
Tales Amaral's user avatar
1 vote
1 answer
12k views

AC1200 Wireless adapter in Ubuntu 19.10

I did the following in a terminal to get a AC1200 Linksys Wireless adapter to work on my Ubuntu 19.10 install: sudo apt-get install linux-headers-$(uname -r) linux-headers-generic build-essential git ...
nhigh's user avatar
  • 11
0 votes
0 answers
62 views

Wired Internet connection problem

I have a local Internet connection which I use with a router. But, I want to connect the Internet cable directly to my PC and use Internet on my PC without using a router. After I connect the cable ...
Sumit's user avatar
  • 1
2 votes
1 answer
80 views

new installation stopped conncecting to wifi, but asking the password

Yesterday I did a new installation for my old laptop. I can access the internet via cable, yesterday I was able to access the wifi. Now I see the wifi but I am not able to connect since the network ...
luc979's user avatar
  • 41
0 votes
0 answers
171 views

ssh for single user over vpn no prompt

this is a very strange issue to me. from a ubuntu 18.04 machine on a VPN client can successfully ssh for multiple users (e.g. ssh user1@server, ssh user2@server) works fine. But there is one user ...
mark's user avatar
  • 11

1 2 3
4
5
17