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.

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eth0 is does not connect when plugged into span / mirror port

I have a HP Procurve switch and have configured port 1 on the switch as a span / mirror port. I also have a workstation with 3 interface running Ubuntu 10.04. When I connect eth0 which I have already ...
Frank D. White's user avatar
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Where does ubuntu store the address for the global proxy?

When you install an ubuntu server it asks: "If this system requires a proxy to connect to the internet, enter its details here." I decided to try throwing in a random local address with the ...
castlepancake's user avatar
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Connecting Synology NAS Directly to Ubuntu Machine via Ethernet

UPDATE 1/27/2024: I thought I had it working with having DHCP enabled on the NAS but this actually caused problems in my network due to there now being two DHCP servers. So I can't have DHCP enabled ...
Kodie Grantham's user avatar
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MacVTap in KVM not getting IP address from Local Network DHCP

Trying to create a KVM with MacVTap interface, but there is no ip assigned to it Referring to these docs to create the kvm. Followed the creation of network properly, i.e added interface in the ...
swastik sarkar's user avatar
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22.04 No Wi-Fi Adapter Found

Ubuntu 22.04 is not detecting my Netgear A6210 Wifi adapter. It uses mt7612u chipset from Mediatek, which should be covered by the mt76 driver in the linux kernel 5.19. sudo modprobe mt76 and sudo ...
Jacob Franklin's user avatar
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Ubuntu 22.04 - (Finally) moving to netplan, but how?

I just migrated a machine to Ubuntu 22.04. Network config is still via /etc/network/interfaces: # This file describes the network interfaces available on your system # and how to activate them. For ...
ThinkHard's user avatar
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Unable to connect to wifi after upgrade to Ubuntu 22.04

After updating to 22.04 LTS, everything is perfectly fine but I am unable to connect to wifi because there is no wifi option in settings, but in previous version 21.10 it was working fine. Output of ...
frwfew r33tf's user avatar
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Change WiFi config on headless Ubuntu server Pi zero 2 via SD card?

I have a Raspberry pi zero 2 running ubuntu server with a WiFi connection. I want to take the pi somewhere else and hook onto the WiFi in a new location. I will not know the SSID or the password until ...
david5678's user avatar
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Alternative to transfer files via command line (not using SSH)

Because of my job I need to connect to a remote server with SSH on which I am connected by vpn and transfer large files in both directions. That has always been easy until I traveled to another ...
Manveru's user avatar
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No-IP doesn't work in my raspberry yet

I have a Raspberry Pi 3 with OSMC and a Nextcloud server that I usually used outside home using No-IP. I had to reinstall apache2 one month ago, and I can't acess anymore from outside to it. If I try ...
Iam's user avatar
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Create user home directory on a network share

I have Ubuntu 20.04 machine that I'm preparing for VDI environment. All the VDI VMs will be joined to our domain. By default, each user's Home Directory is created locally. On my NetApp storage I have ...
Maor Zohar's user avatar
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My Qualcomm Atheros QCA9377 Wireless adopter is not working in Ubuntu 20.04 LTS (Vendor: Lenovo Model:E41-25)

My Qualcomm Atheros QCA9377 Wireless adapter is not working. In that I can't use WiFi in my Ubuntu 20.04 version. Also my laptop vendor is Lenovo(Model:E41-25) Already I referred some of the solutions ...
iamramanavenkat's user avatar
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wget of redis is not working in docker container with Debian 9 on Ubuntu host

I have a very simple Docker file FROM openjdk:11 ENTRYPOINT ["/bin/bash"] And I have 2 machines with Ubuntu. First machine: Ubuntu 18.04.1, Docker version 18.06.0-ce, build 0ffa825 In the docker ...
Pavel Bernshtam's user avatar
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Why would one want to allow in an echo protocol (port 7) from host router?

I am in the process of replacing an Ubuntu server originally designed by someone else at work. I expect there will be many issues with getting Windows (and really LabVIEW) to interface with all the ...
barriboy's user avatar
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Ubuntu 16.04 LTS and Virtual Interfaces

Hi tried different options googling for advice. As for today I have: Description: Ubuntu 16.04.6 LTS Release: 16.04 Codename: xenial updated as yesterday trying to make: sudo ip address ...
pippo1980's user avatar
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How do I setup network connection between two Ubuntu computers using patch cable?

I am attempting to ssh into an intel NUC mini computer from my laptop. They are connected directly using a Cat5e ethernet cable. Both systems are running Ubuntu 18.04. I have tried setting static IP ...
Adam Dodge's user avatar
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Wifi ridiculously slow on Ubuntu 16.04 LTS and a Frontier MI424WR Router

My Acer Aspire E5 575G has a Qualcomm Atheros QCA9377. I have tried reinstalling my kernel, I have reinstalled drivers(ath10k), installing backport, have turned off powersaving, have installed wicd, ...
Gaultier Gotz's user avatar
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Audio drivers, bluetooth drivers and wifi drivers don't work

I know you may think that this question has been answered in other threads. But the point is that I tried almost all things are said in all of these kind of threads and didn't work for me. I installed ...
Sergio Quijano's user avatar
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'Connection reset by peer' on lftp while uploading files

I am working on a project where several Raspberry Pis gather sensor data and log them to several files, several times a day. I wanted to write a small script to upload all those files to an FTP server ...
MegaMind's user avatar
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How to share folders between two PC's with Ubuntu via WIFI

Hello! I try to share HOME folders between to PC with Ubuntu 16 via WIFI connetction. I have followed this How to share files through the local network?. Now I see shared folders on each PC, but I ...
CodeBy's user avatar
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I am not able to find other people on my local network when playing Counter Strike 1.6

I have Ubuntu 16.04 and the others have Windows. I am not able to see their server nor are they able to see my servers. I am also not able to find any internet servers. I am using wine to run Counter ...
Sandeep C's user avatar
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Can't use USB adapter 0846:9014 NetGear, Inc. in Ubuntu 16.04

I have just installed Ubuntu 16.04 alongside with Windows 10 and when I am trying to connect to WiFi, i can´t even see it there as an option. This is what I see I have disabled Secure Boot in Bios ...
joasa's user avatar
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Ethernet Not Working In Ubuntu 16.04 LTS in dual boot system!

I have a dual boot system with windows 10 and ubuntu 16.04 . Ethernet is working perfectly fine in windows 10 but on the contrary Ubuntu shows "Cable unplugged" . I have been surfing the web for about ...
Yagyansh Kumar's user avatar
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1 answer
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ShadowSocks client doen't work

I just installed Shadowsocks on my ubuntu server. I can connect to the server via Android or Windows. But I can't connect to the Shadowsocks server via my Ubuntu Desktop! I have installed ShadowSocks ...
Ramin King's user avatar
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1 answer
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Problems after install TP-LINK T2UH AC600 Wireless adapter Driver (Ralink mt7610u)

help me! I follow the steps on that post: How to install TP-LINK T2UH Wireless adapter Driver (Ralink mt7610u) But, my dongle only work on 2.4Ghz and not 5Ghz, what I do? My kernel is: 4.2.0-30-...
Hygens Silva's user avatar
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1 answer
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Access network shared printer from wine command prompt

I have connect a shared printer in my ubuntu desktop and I have installed wine 1.6. I ran a vb application in wine and I want to print the output txt file of the vb application. Printer is shared in ...
Paul Samuel's user avatar
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1 answer
394 views

Linking to local files on a Windows file server share

I tried to find a similar topic, but failed to do so. So I am asking the question here. At our company I am running a pilot to get Ubuntu on our machines, as it would solve a lot of our problems. ...
Rene Raggl's user avatar
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2 answers
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Windows7 machine cannot access Linux share folders via Samba, help please

I have a linux and a windows 7 machine connected via samba. My linux machine is able to gain access to the folders on the windows 7 machine via the browse network tab in file manager but the windows 7 ...
Justin Carr's user avatar
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Ethernet Problems - Realtek RTL8101E/RTL8102E

This problem has been going on for a few months now. After failed troubleshooting (time and again), I'm finally giving in, and asking you for help. I would like to prefix this by saying that Ubuntu is ...
james's user avatar
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No Wireless interface on Ubuntu 14.04 with Broadcom driver on Asus R556L

I can't seem to enable the wireless interface on the newly installed Ubuntu 14.04 on Asus 14.04 I've tried the solutions on: Installing Broadcom Wireless Drivers but it still doesn't work I've ...
yisha's user avatar
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1 answer
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Wireless adapter hard blocked: rfkill unblock all not working

I did a clean install of ubuntu 14.04 LTS, and now my network adapter seems to be disabled. I get the greyed-out message "Wifi is disabled by hardware switch" When I open the drop-down wifi menu from ...
Kestrel's user avatar
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ethernet stopped working on ubuntu 14.04, still works on windows

Everything was working fine on my Ubuntu 14.04 32 bit installation (on a Dell Vostro laptop) yesterday. I shut it down last night and since I powered it up this morning it is no longer handling the ...
user2636310's user avatar
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1 answer
74 views

How does the installer know what machines are on my network?

I have a home network with a few Linux boxes and a Windows XP laptop. I shut down a CentOS machine, removed the hard drive, installed a new hard drive, and then started a clean install of Ubuntu 12.04....
Phil Hirschhorn's user avatar
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1 answer
3k views

Samba error message invoke-rc.d: initscript samba, action "restart" failed

Hello I'm on Ubuntu 13.10 x64 Newbies I try to create a samba share. it is installed, and I think it is running, I create users and a shared folder on a secondary internal hard drive sata ...
user234321's user avatar
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1 answer
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newly installed 12.04 cannot connect to internet

I am a Comp Sci student and I had to replace my dev laptop with an old Dell Inspiron 1150. First tried loading Ubuntu 13.10 but it wouldn't render graphics correctly on this old machine, so I put on ...
blinking-in-the-light's user avatar
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1 answer
3k views

Network doesn't work after upgrading to 13.10

I upgraded from 13.04 to 13.10, and a number of things stopped working. Most importantly, I don't have internet access anymore. When I go to the network settings, I receive the following error: The ...
Inkbug's user avatar
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Internet extremelly slow UBUNTU 13.04 Alfa Awus036h

I have a peculiar problem. Presently I have Win7, Backtrack 5r3, and freshly installed Ubuntu 13.04. I have Alfa Awus036h as my 2nd usb Wifi card. Both backtrack and this new Ubuntu recognize it ...
Daithí's user avatar
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1 answer
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How to setup WiFi network to access internet

I am new to Ubuntu/Linux. After some efforts I got the Internet working with pppoeconf. Now I have desktop setup with Ubuntu + D-Link DSL 2730U ADSL modem router + brodband internet(BSNL india) ...
Anil Namde's user avatar
1 vote
3 answers
2k views

I can only connect to HTTPS pages, not plain HTTP

My problem is that I cannot connect to simple HTTP web pages, only to HTTPS secured pages. Any idea why this would be? I don't have any proxies. I tested the connection with Windows 7 and it works ...
Javier's user avatar
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2 answers
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Cannot resolve dns on 12.10 install

I am very new to networking on Ubuntu so I have been struggling with this issue for several hours now. I am running a fresh install of Ubuntu 12.10 and I am unable to resolve DNS when using my ...
bitmill's user avatar
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1 answer
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How to establish VPN Connection using Vodafone K3773 HSPA USB Stick?

I am using Ubuntu 12.04 Desktop. I am trying to establish VPN PPTP connection to Ubuntu 12.04 Server. VPN connection available when PC is connected to LAN -> ADSL modem -> Internet -> VPN Server. No ...
user1889139's user avatar
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1 answer
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Bluetooth Dial-Up Networking using Blueman

I want to configure a dial up network connection via bluetooth to my phone in order to access the internet. I use Lubuntu 12.04 (Ubuntu with LXDE) which has the Network Manager Applet and Blueman ...
leemes's user avatar
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3 answers
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Network wireless adapter driver problem

I have a problem with installing drivers for my wireless network adapter. When I try installing the drivers for my network adapter, everything goes fine until I have to make the driver after, every ...
pleple66's user avatar
1 vote
2 answers
4k views

UFW no longer allowing connection when enabled

I have been using openvpn with UFW as a killswitch without issue, but now my internet stops working when I enable UFW after VPN conection is made. Ifconfig shows a tun0. I have been using the ...
mel-94's user avatar
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1 vote
2 answers
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SSH hangs whilst on VPN

I connect to a University shared computer facility by connecting to the University VPN and using SSH to log in. This is fine on my Windows installation using Cygwin. However, on my Ubuntu installation ...
obackhouse's user avatar
1 vote
1 answer
718 views

How to get Wifi working on Ubuntu 16.10

I just installed Ubuntu 16.10 on a Lenovo P50. During the installation, the wifi just worked. The ethernet was not plugged in at this time, and all updates were via wifi. As requested, the wifi ...
Jared Still's user avatar
1 vote
1 answer
158 views

Computer wouldn't detect WiFi Network - Ubuntu 16.04.1

I use Ubuntu 16.04.1. Lenovo Ideapad 310-14ISK. All of a sudden, there's no Internet connection. After restarting my computer 3 or 4 times and restarting the WiFi, and after typing sudo service ...
N Even's user avatar
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3 answers
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mouse connected to the usb port stops working all of a sudden in ubuntu 16.x

mouse connected to the usb port stops working all of a sudden in several ubuntu machines. it does work properly on a reboot and for sometime, if I use the same mouse on a different ubuntu machine it ...
Rpj's user avatar
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1 vote
1 answer
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Connect simultaneously to mobile internet connection and wireless

I have 4 ip cameras streaming to a local network, using a wireless router. I need to access these cameras from Ubuntu. This works fine when I am connected to the local network, but on the same PC I ...
ITChristian's user avatar
1 vote
1 answer
1k views

Wifi network Connection detection takes too long time in Ubuntu 12.10

Internet connection detection in my Wifi network (Using Desktop Computer ) takes too long time, after upgrading from Ubuntu 12.04 to 12.10. I have only basic knowledge in ubuntu.So please help me by ...
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