Questions tagged [networking]
Computer networking is the connection two or more computing devices for transmitting and sharing data. The devices use common communication protocols over a physical or wireless connection. Use this tag for questions about managing and using network connectivity on an Ubuntu system.
23,040
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how to transfer files ubuntu 20.04 pc with windows pc through ethernet cable?
i am using ubuntu 20.04 LTS and i have a windows laptop. i have tried many ways to connect those with an etharnet cable. i have shown every youtube tutorial to do so but there is no settings of wired ...
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votes
1
answer
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How to hide/change my IP adress [duplicate]
I'm using Ubuntu 18.04.3 and I'm not very educated about it. Can you describe to me what is the easiest way to hide or change my IP adress while I'm using my browser ( Chromium ).
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Bluetooth not discovering devices Ubuntu 18.04.04 [duplicate]
I can turn Bluetooth on and it shows the animation of discovering new devices, but it does not find any of my bluetooth devices. I have checked my devices with another PC. I went through several other ...
7
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2
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How Do I Access Windows Shares From BASH?
Probably total noob question. I installed Ubuntu in a VMWare Player. Works fine. I usually work in terminal and didn't realise until today that I could use the Files icon to connect to my Windows host ...
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How to hold a point to point wired connection up
I am trying to transfer files between two computers over a point to point gigabit Ethernet connection.
I run the following command to bring up the interface:
ifconfig eno1 192.168.100.1 up
On the ...
8
votes
2
answers
8k
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TP-LINK TL-WN722N can't connect on 17.04
I had this TP-LINK TL-WN722N working on previous versions of ubuntu. 17.04 is a clean install and Wifi connection is not kept.
I can click on connect and it tries to connect but then I get a message ...
0
votes
1
answer
200
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Analyzing the incoming requests data in Ubuntu
I'm trying to reverse engineer some utility in Ubuntu. On Mac, I use Charles proxy to debug the network, and I'm looking for a similar solution on Ubuntu. The Ubuntu machine is an online server and ...
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0
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374
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Issues with ERR_CONNECTION_CLOSED on Lenovo T420
I installed Ubuntu 18.04 LTS on multiple Lenovo T420 laptops and installed all the latest updates.
The laptops work flawlessly with Windows 7 Pro.
Once Ubuntu is installed I am able to browse web ...
1
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1
answer
5k
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Ubuntu 16.04. Internet keep disconnecting. Local network is fine
I have the same exact problem as this guy here. My network connection is fine. I can ping to my router, connect to my local ftp server, login to antoher machine through ssh. The only problem is the ...
1
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0
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4k
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IPv6 not working properly in Ubuntu 20.04
Few days ago, I upgraded to latest version of Ubuntu (20.04 LTS). After freshly installing a new system I discovered, that the computer could connect to IPv6 addresses only after a huge timeout. DNS ...
1
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1
answer
3k
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Missing .ko file during installation of a wifi driver, what should I do?
I would like to use Kubuntu instead of Windows, so I'm currently running Kubuntu with VM VirtualBox. I (virtually) plug my usb key with the driver of my Wi-fi key, and the Wi-fi key itself. Then I ...
1
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0
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130
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Wifi not Enabled at login screen
I am using Ubuntu 16.04 on an old Thinkpad. Usually wifi is Enabled automatically after boot-up. A notification pops up saying that wifi networks are available. After entering my password the machine ...
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1
answer
103
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Cannot find my SSID in my network list anymore
I had a router set up with 2 different SSID, one for 2.4 (SSID: EMT) and another for 5.0 (SSID: EMT-5Gzh).
The last couple days my internet was acting up, so I finally called support and after a ...
2
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2
answers
10k
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How do I get to work my Atheros AR9485 Wireless card in Ubuntu 14.04 LTS?
I've recently installed Ubuntu 14.04 LTS in my ASUS D550CA, and so far things have gone great.
The only problem I've got is the Wi-Fi. It doesn't work.
I've got an Qualcomm Atheros AR9485. I've ...
1
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0
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290
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RTL8822BE unable to connect to WiFi networks Ubuntu 18.04 Kernel 5.3
I'm using Ubuntu 18.04 LTS and I've been struggling with a wifi-related issue for the past few months - ever since Ubuntu has started to use the 5.x kernel.
As of now, I'm running 5.3.0-51-generic ...
1
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0
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366
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No ip address allocated to my newly created ubuntu vm on Hyper-V
I just created a new Ubuntu vm using Window's Hyper-V Manager.
Inside the Ubuntu VM if I do hostname -i I expected a different ip-address.
However, currently the command returns me 127.0.1.1 which ...
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My Ubuntu keep losing internet, even it's connected
I do not know how to track my problem. For example while watching video on the internet suddenly it start buffering and when I try to go to any other website, loading that page never finishes. I have ...
1
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0
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5k
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netplan: connecting wifi fails (BCM4360)
I have two ethernet interfaces and a wifi interface installed. I want the wifi as preferred network and connect via ethernet, if the cable is plugged in or wifi is unavailable. But, I don't manage to ...
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1
answer
885
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Smart way to turn wifi on/off with netplan if ethernet is available or not?
I have ubuntu 18.04 and as far as I understood, it uses "netplan".
I find out on the web a few ideas to switch wifi on/off when cable is off/on, but most of them uses older fashion.
I liked this idea ...
1
vote
1
answer
723
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Snap applications unable to connect to the internet if VPN is turned on?
I use ExpressVPN to keep my internet browsing private in public places. Whenever I am connected to any VPN server, Snap apps such as Discord and Spotify are unable to connect to the internet.
I have ...
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0
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xrdp not listening on port 3389
$ sudo netstat -plnt | grep rdp
tcp 0 0 127.0.0.1:3350 0.0.0.0:* LISTEN 83971/xrdp-sesman
As you can see xrdp is not listening on port 3389.
$ tail -f /var/...
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1
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Script to set up static ip addresses
I am trying to write a script to simply set the network interface to static in the /etc/network/interfaces file however i am getting a number of errors.
This is my script:
#! /bin/bash
sudo -c cat &...
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1
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Wireless connection issue on Ubuntu 20.04 LTS [duplicate]
Just done a fresh install of Ubuntu 20.04 LTS on a Lenovo Yoga 530.
I am having issues with my network, it's unrecognised.
*network UNCLAIMED
description: Network controller
product: ...
1
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1
answer
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Dolphin displaying samba files as folders on Kubuntu Focal Fossa
I have just fresh-installed Kubuntu 20.04 on my PC. I had to modify smb.conf in order to access to my old multimedia hard drive connected to the same network and to another hard drive plugged through ...
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0
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129
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Can't seem to get multiple network interfaces running at same time
I've looked around for questions similar to mine, and there are some, but they haven't seemed to solve the problem.
I'm using Ubuntu 20.04LTS. I have two network interfaces. 1 is connected via ...
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3
answers
869
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adding route to netplan
I've followed the information to add a route with netplan, but when I check the route is changed.
What I have:
network:
version: 2
renderer: NetworkManager
ethernets:
enp35s0
routes:
- ...
8
votes
1
answer
4k
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brcmf_inetaddr_changed: fail to get arp ip table err:-23
I'm getting several type of problems with most obvious the low speed and low signal. More rarely I'm getting disconnections or the wifi-manager keeps asking for the wireless key (although I'm entering ...
2
votes
1
answer
67
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2 Ubuntu 19.10 PCs cannot share desktop, mediafiles and cups printer
1 Intel i3-8100/32GB pc ("FujitsuServer" with ip 192.168.88.10) and 1 Intel i5-8350/8GB laptop ("Laptop-A" with ip 192.168.88.22) both with fresh Ubuntu Budgie 19.10 installs.
I have enabled Desktop ...
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changed motherboard, same drive, unclaimed network interface
Upgraded motherboard and reused the existing drive with Ubuntu 16.04 installed. Everything works as expected except the network connection. lshw states network UNCLAIMED.
To test the motherboard ...
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0
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18.04: No visible wireless networks Realtek 8822CE
Outline
I have a problem with a new computer where there are no visible wireless networks in the network settings and I am unable to connect to them. The computer is a Lenovo v14-IIL with a Realtek ...
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0
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Accessing Ubuntu guest on Windows?
I have installed Ubuntu in WSL version 1, installed pgAdmin4 in Ubuntu, and since there is no browser (it is just a terminal), I want to access pgAdmin through a Windows browser.
The subsystem and ...
2
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4
answers
756
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No Wi-Fi Adapter Found - 19.10: Dell Inspiron: Intel
My laptop (Dell Inspiron 5590 with Ubuntu 19.10 and kernel 5.3.0-40) was working fine until yesterday. When I turned it on I could not connect to the internet. I noticed that "Aeroplane mode" was ...
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2
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Wireless not showing (wifi adapter not found) at all on Ubuntu 19.10 on Dell Precision 5510
My Kernel version is 5.3.0-26-generic
output of rfkill list all
1: dell-wifi: Wireless LAN
Soft blocked: no
Hard blocked: no
2: dell-bluetooth: Bluetooth
Soft blocked: no
Hard blocked: no
5: hci0: ...
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0
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576
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Ubuntu 19.10 - How to set local DNS IP for local wifi connection
I recently purchased a raspberry pi and got pi-hole running on it. Unfortunately, my router does not allow me to use the raspberry pi as the network-wide DNS server so I want my laptop (Ubuntu 19.10) ...
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1
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851
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Ubuntu WIFI stops working and system breaks
I have a dell XPS 15 9570 laptop. I have been using Ubuntu (18, 19 and 20) for the last two years. Everything work fine except for the wifi, which randomly stops working. Sometimes I can just turn off ...
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0
answers
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network is unreachable in Ubuntu 18.04
I am using Ubuntu 18.04 desktop. I wanted to use Python 3.7 so I installed it and uninstalled Python 3.6, but it was a big mistake because now all my programs are acting weirdly.
I restarted my PC ...
2
votes
1
answer
5k
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Ip camera direct ethernet connection to lubuntu, while wifi internet
I have lubuntu 18.04 running on an Udoo X86. Internet access is through wifi and I have been trying all day to get a hikvision ip camera with static ip 192.168.1.64 to connect through the ethernet ...
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2
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ubuntu 18.04 torrent seeding problem
I wanted to get my firewall working, and I used:
sudo ufw enable
after that my torrent client stopped seeding, my /ets/nginx folder disappeared and I actually don't even know what happened... so I ...
7
votes
2
answers
12k
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Use laptop as a second monitor
I've spent far too much time Googling this and haven't been able to find anything.
I have a laptop and tower both running Ubuntu. I want to be able to use the laptop as a 2nd display to extend the ...
5
votes
2
answers
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Which port does Ubuntu Software Center use?
I have installed the gufw firewall utility and want to make a whitelist of ports (want maximum security, but whitelisting single IPs is currently too tedious). I have so far only entered ports 53 (for ...
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0
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Ubuntu 19.10 Network Connection Dropping Repeatedly - I think due to WiFi Power Save, which won't stay turned off
I'm a somewhat novice user and have not found a solution to this after much searching, any help is very appreciated.
Summary: My wifi connection keeps dropping and reconnecting about every two ...
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3
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slow wifi connection on ubuntu 13.04 with rtl8723ae realtek wireless driver
so i have installed ubuntu four days ago on my toshiba SATELLITE-C855-2CF and everything is going well, but i noticed that my wifi connection is slow and when i did a speed test online i found that i ...
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2
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348
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Why netplan routes configuration are part of an interface
This example from netplan examples
network:
version: 2
renderer: networkd
ethernets:
enp3s0:
addresses:
- 9.0.0.9/24
- 10.0.0.10/24
- 11.0.0.11/24
#gateway4: ...
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0
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No "file"? access to windows network
Did a clean install of ubuntu 20.04. Then caja - Browse network - finding NAS - open NAS - every file is displayed as an empty folder.
Did a clean install of LinuxMint(yes yes i know) Did them same, ...
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1
answer
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Trying to set up static IP on Ubuntu 18.04 LTS install
The IPv4 configuration editor tells me the error message:
'192.168.1.2' is not contained in '255.255.255.0/24'
I tried to set the following values:
Subnet: 255.255.255.0/24
Address: 192....
1
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1
answer
82
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why receiving rate is not zero when not browsing?
When I have no browser opened and no updates, or any other files under downloading, System Monitor still shows non-zero Receiving rate as shown below. Why?
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Trying to fix ping spikes in counter strike
I found a reddit post with instructions on how to eliminate ping spikes in csgo but i ran into an error.
sudo apt-get install wicd-gtk
Reading package lists... Done
Building dependency tree
...
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0
answers
2k
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NetworkManager not connecting to eth0 on boot
I am trying to set up a network using the NetworkManager. The problem is that the network isn't starting automatticaly on boot.
After booting up, i try to ping the target address (192.168.43.1) and ...
46
votes
2
answers
136k
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What does the dns-search option mean in /etc/network/interfaces?
Can anybody explain to me about the dns-search directive in /etc/network/interfaces file:
iface eth0 inet static
address 192.168.3.3
netmask 255.255.255.0
gateway 192.168.3.1
dns-...
0
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0
answers
965
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Connection Failed: Activation of Network Connection...What should I do?
I'm very new to Ubuntu as I just came from Windows. I want to say that Ubuntu with Gnome is much faster, smoother and the UI is amazing!
However, I cannot seem to consistently connect to my own Wi-...