Questions tagged [connection]

Questions concerning network connections.

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OpenVpn: Connection failed: failed to activate network connection

I am a developer and very weak in knowledge of ubuntu. I am using ubuntu 18.04. I need to use openVpn to connect to the customer’s network. I have a client.ovpn file: client auth-user-pass /etc/...
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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 ...
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25 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 ...
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Differences between ssh.service/ sshd.service ; OpenBSD Secure Shell server//Open SSH Server daemon and service/systemclt

I just want to learn about connecting via ssh protocol. I establish a connection between an Ubuntu PC and a Fedora PC. Both of them are installed with open-ssh-client and open-ssh-server. Everything ...
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Wifi problems Connection Activation failed ubuntu 20.04

I have installed ubuntu 20.04 on my hp unfortunately the wifi does not work eather it doesn't show the adapter or when it does i cannot connect the message "Connection Activation Failed" appears.
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How should I connect previously connected bluetooth headphones in 20.04?

I am using wireless headphones Samsung Galaxy Buds+. I am not able to connect them again after I had them connected before, but they become disconnected due to pairing with other device for example. ...
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50 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 ...
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Problem using a website with Realtime feature

I'm a supervisor and my job is monitoring calls. When I use Windows, I can load a website that use real-time feature with no problems. I can't load the same website in Ubuntu 20.04 LTS; it just keeps ...
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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 ...
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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 ...
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Adding the Ubuntu desktop environment on top of server 20.04. My network is unmanaged. I fix it but the changes dont persist!

First of all I am a newbie so forgive my ignorance. Now the reason for this problem is that im using ubuntu 20.04 on a rasbperry pi, so there you first need to install the SERVER edition of ubuntu and ...
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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 ...
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Ubuntu 18.04 freezes + connection drop

Unbuntu 18.04 frequently loses connection and freezes at the same time. I have experienced some problems with iwlwifi and my gpu (GeForce RTX 2080/PCIe/SSE2). I am relatively new to Ubuntu. What info ...
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Deluge connection problem from ubuntu

i have deluge installed on my ubuntu server and it's work properly i can connect from windows 10 to host 192.xxx.xxx.xxx:58846...now i try to connect to same host but from Ubuntu 20.04 LTS and dosen't ...
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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 ...
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Accessing shared folders on wndows 10 pc

Need some help to connect to a windows 10 pc to access shared files. I have Ubunto 18.04, installed samba. I can see the network icon in the files application but when try to access it I get ...
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38 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. ...
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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 ...
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Slow Internet Speed on Ubuntu 18.04 with Realtek RTL810xE Wifi Dongle

ker@ker:~$ lsusb Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 ...
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When i plug in my wireless adapter and run it ,on the shutdown interface it freezes.(tp-link archer 1300 T3U)

So first of all this is the device: https://www.tp-link.com/en/home-networking/adapter/archer-t3u/?utm_medium=select-local (Connected usb) is my wireless adapter. I know it hasn t drivers for ...
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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. ...
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25 views

no longer able to connect

I can connect to Ubuntu with the hotspot on my phone but not my internet router. before converting over to ubuntu, the computer had no issues connecting to internet
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Ubuntu 18.04.4 Internet stop working after a while i'm connected

After a while that i'm connected to internet it stop working notwithstanding wifi is enabled. the only thing i can do is turn off and on the wifi.
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400 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, ...
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Bluetooth not working hp pavillion g6

Folks I have recently downloaded Ubuntu linux system on my hp pavillion g6. Everything seems to be running smoothly aside from the bluetooth. I Keep getting no bluetooth adapter option. see attached ...
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Connect VPN that has ubuntu os

I created a ubuntu based vpn server. I haven't any experience about vpns. I use Kubuntu on my laptop. So how can I connect my vpn from my laptop? Also I want to learn install FFmpeg to the vpn. ...
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425 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, ...
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131 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 ...
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How to allow external connection to a socket on my server (i.e., let it through from outside)?

I use ubuntu from site (onworks.net) its running on vm.My question is how i can let external connection to my php server socket?What ip i can use for host?I only have ipv4 and ipv6 address looks like ...
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2answers
130 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 ...
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98 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 ...
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101 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 ...
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122 views

No wired connection, driver detected, Lubuntu

I have no Ethernet. My router and cable are ok, checked. During installation it worked fine, To another pc, but now cannot connect... I have tried some things neither works. I installed the OS in ...
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25 views

WiFi connection on Raspberry 4

I have ubuntu 18.04.4 installed on a raspberry pi 4. With Raspbian and chrome i can communicate on my wifi network, However it will not connect on Ubuntu installed on the same pi. All the settings ...
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1answer
65 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 hostkeys-00@openssh.com want_reply 0 PTY allocation ...
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369 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 ...
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Long SSH/SFTP/applications connections

Since I’ve bought a new server from OVH game dedicated servers offer I have the same problem. Since my first logging after installation 4/5 SSH connections are aborted after a few seconds of not ...
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137 views

Can't connect to wifi network after system reboot

Every time I reboot Lubuntu, I'm unable to connect to any wifi network and I have to run the following commands to make it work: sudo systemctl restart network-manager.service sudo rmmod ath10k_pci &...
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Remote connection

I have Ubuntu 16 32bit running on 6 pcs and I have a server running ubuntu as well I would like to access each pc and server when I’m away from my network I love vnc viewer on iOS and I would like to ...
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28 views

Xiaomi Laptop WiFi connectivity disappears after reboot

I will try my best to explain this issue. I recently bought a new laptop, in December, a xiaomi pro laptop. I'm not sure this matters, as I had this same issue occur on my Acer laptop as well. However ...
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1answer
196 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 ...
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201 views

The system returned: (99) Cannot assign requested address

I have the following code below and installed NPM, for this project I also installed MySQL Workbench in which I believe it might be causing the issue. module.exports = { networksLocal: { ...
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148 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 ...
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74 views

Can't find 5 GHz WiFi network

I bought a new laptop with Windows 10 pre-installed and I was able to connect to a 5 GHz WiFi network, but after installing Ubuntu 19.10 I can't find the same network in the network settings.
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28 views

Problems with MAAS execution

previously install MAAS in Ubuntu 18.4, It Works but now is show me this message: could not connect to server: Connection refused Is the server running on host "localhost" (127.0.0.1) and ...
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1answer
446 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/...
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Just installed 18.4.3 having wifi connection issues. (connects but slow or doesn't connect at all)

So first time Linux user from a lifetime of Windows. I got a Jumper EZ 6 Pro tablet laptop over the holiday and decided to replace Windows 10 and install Ubuntu 18.04.3 LTS as OS. I started it up on ...
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2answers
142 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....
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576 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 ...
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20 views

Allow standard user to choose / connect to WLAN in Ubuntu 1910

When connecting to a WLAN, a standard user is asked for the admin password. IMHO this should not be default behaviour. Where / How can I allow standard users to connect to new WLANs without the need ...

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