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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"No network connections available" Missing driver
I'm currently running the newest version of Ubuntu, and I'm not able to use my network device on my Asus notebook. When I use the sudo lshw - see network command I am told that currently the network ...
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How to Access Lamp www Folder In Network
I was working on windows where I had simple file sharing I had 1 PC where I installed WAMP for Web development I was working in simple Work group I had my all project in www folder like site1 site2 ...
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Intel 7260 wifi interface disappeared
The wifi interface has disappeared after a recent upgrade (not 100% sure which one sorry - might have been the os upgrade to wiley but might have been later). Enable/Disable Wifi option not available ...
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What could be causing throughput issues?
I'm experiencing some crazy issues regarding my internet speed using Ubuntu 15.04. I can't get anything greater than 10Mbps down,but I'm achieve 30 Mbps up.
My laptop doesn't have an Ethernet port, ...
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is it possible to share an nfs share?
I have multiple nfs shares from multiple sources, I would like to centralize all shares to re-dispatch them... I've tried but I can't see the content of a shara from the center of operations... Can ...
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3
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Qualcomm Atheros QCA6174 doesn't work with 4.2.0-23-generic on 14.04
I have a Lenovo E31-70 laptop, with Qualcomm Atheros QCA6174 (rev20) wifi card. I managed to get it working using this solution.
Everything worked fine until about a week ago, when I ran the auto-...
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345
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Can't find wireless interface in ubuntu 15.10 on a MacBook 5,1
I've just installed Ubuntu 15.10 on my 2008 MacBook 5,1 and I cannot get the system to connect to my wireless network. I ran "ifconfig -a" and all that comes up is "lo" and "enp0s10" which is my ...
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905
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Virtual Box: Add Host Only Adapter
I try to create the network first in file-> preferences.
I get the error:
Failed to create the host network interface.
VBoxNetAdpCtl: Error while adding new interface: VBoxNetAdpCtl: ioctl failed ...
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1
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Installing OpenVpn on Ubuntu 15.10
I am trying to install OpenVpn on Ubuntu 15.10 and running into issues. Here are the instructions from (https://help.ubuntu.com/community/OpenVPN):
Step 3:
Setup the CA and create the first ...
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MaaS server with local kvm - How to bridge to dhcp interface
I have a MaaS server, it has two network interfaces. One external eth0, and one for the internal network eth1(Nodes network). eth1 is where the DNS and dhcp server managed interface. I want a mix of ...
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TCP/UDP list in command line
I would like to know if exits some software or guide list I don't know the correct term, that I can access by terminal and inform me all about that specifies port.
Exemple: I using nmap and I would ...
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2
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why am i unable to access internet even with being connected to network?
ive read through similar posted questions and have not gotten any consistent results.
i have a lenovo laptop, with windows 10, i just installed ubuntu 15.10 beside windows. everything seems to work ...
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3
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Terminal command ping makes sound on fail
Is there a way to make the Ubuntu 14.04 terminal trigger a success or, if it fails to ping Google, a different sound, such as if the wifi goes down? If so, how would I do so on constant loop in the ...
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Ubuntu 15.10 updates - Failed to download repository information - check internet connection [duplicate]
I had previous problems like this, first it did not want to update anything. It always sad:
Failed to download repository information check your internet connection,
but i have internet connection ...
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157
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Iptables and Deny issue
I've configured iptables with FWBuilder, and for some reason there is a rule that is constantly dropped, and I don't know why, because all the address IP from and to 10.208.x.x (first server) and 10....
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No wireless for lenovo flex 3 1480 [duplicate]
I recently installed ubuntu 14.04 LTS on my new flex 3 1480. I do not see wireless option. I tried the solution mentioned in this post but it doesn't work. Output of the wireless script can be found ...
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Password in WiFi hotspot in Ubuntu 14.04 LTS not working
I am using Wired internet. Want to create a WiFi hotspot using an USB Wireless router. I tried all the possible way discussed here in AskUbuntu like:
Followed step by step several times according to ...
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My wireless keeps disconnecting in 14.04 (14.04)
My wireless keeps disconnecting from the networks within 10 minutes after I boot up. It keeps trying to connect to the network, but it fails. I can see several networks at that time. I then try to ...
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3
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avahi-daemon repeatedly registers/withdraws address record causing network failures
I am using Ubuntu 15.10 using an Ethernet connection to my cable model router. I have not customized the network set up in any way after installing Ubuntu. I've noticed that after about 12 to 24 hours ...
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1
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Wi-Fi dropping intermittently on Dell XPS13 (2015) - cfg80211 dmesg warning and stack trace
Every couple of minutes my Wi-Fi connection is dropping, and this is accompanied by a dmesg warning and stack trace like this:
[ 2680.040170] ------------[ cut here ]------------
[ 2680.040197] ...
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Can't access wireless network after modify /etc/network/interfaces - Ubuntu 15.10 [duplicate]
I have just installed Ubuntu 15.10 on my PC and I want to reconfigure network interfaces. I added /etc/network/interfaces file as follows:
auto wlan0
iface wlan0 inet static
address 192.168.1.4
...
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1
answer
3k
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NTM - Network Traffic Monitor GUI
I installed NTM and I have a few queries:
I tried to launch it both from cl or using the icon but I do not know if it is running !
Whenever I tried to launch it from terminal I am getting "Vector ...
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Disable ipv6 in ubuntu 14.04
I found that post How to disable IPv6 on Ubuntu?
I need to ask about this file /etc/default/bind9. I couldn't find this file.
Where can i find it?
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How do I remove the long name given to my internet connection?
The other day my computer randomly started displaying the full name of my ethernet controller as you can see here:
I'm fine with it saying Ethernet Controller like it used to but having the whole ...
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1
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IP forwarding over OpenVPN (tun0) with external forwarded ports
I am trying to configure a very basic routing setup with Ubuntu Server 15.04.
I have an internal interface p4p1 (IP 192.168.0.23) and a working OpenVPN connection using tun0.
I want to forward all ...
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2
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1k
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Live USB wifi problem
I am using an HP laptop with Windows 10. I just created a 14.04 LTS live USB and booted in nicely. I was able to connect to my SKY broadband WIFI without any problems. The installation also went ahead ...
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2
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Making site live on linode ubuntu server
I am creating virtual host -- For that I have followed below Url details
set-up-apache-virtual-hosts-on-ubuntu
I have created virtual host of name raveesmake.com also restarted apache server.
When ...
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How to make Samba require a password to access a printer?
I have a printer hosted on Ubuntu 14.04 LTS that I've been tasked with locking down. The printer needs to be accessible to both legitimate Windows (7/10) and Ubuntu 14.04 users, but not generally ...
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Set up Ubuntu 14.04 VirtualBox guest so that it doesn't care how Windows host is connected to the internet
I'm using a bridged adapter, and sometimes switch between wireless and ethernet which means switching adapter type in the network settings. Also, VB won't connect when on my wireless at work (secured ...
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Samba Share suddenly not accessible
After looking for hours I'm looking for help here.
My Setup is:
Server: Ubuntu Server 14.04.3 LTS
Client: Win 7 Verbindung mit Login des Unix Users
Yesterday SMB was working perfectly fine, but ...
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3
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How to config USB ethernet to have a static IP?
I have a USB device that works as a USB RNDIS ethernet device.
This device does not have DHCP capability so the host computer needs to allocate IP address for itself.
I tried to add to the /etc/...
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Ubuntu 14.04 Internet keeps dropping out
I'm not sure as to what is causing it. I found this thread which could be the answer but I'm not sure how to follow it. Is anybody able to assist?
WiFi keeps dropping out but stills says I'm ...
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245
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Ethernet doesn't work in Ubuntu while working in Windows on the same machine
I have dual boot system with Windows 10 and Ubuntu 15.10 installed. Everything worked well until last Ubuntu upgrade (or any other reason, I'm not sure here). Ethernet simply stopped working in Ubuntu ...
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2
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How to use NFS to share a mounted drive?
I have a SSD where I store my OS and I have a 1 TB hard-drive where I store my files (mounted at /run/media/owner/ExtraHDD/). I want to share my files. I can share my SSD (such as /home/owner) using ...
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How to setup VPN bridge between 2 networks
I have a small ubuntu box which I want to use to bridge 2 networks together over VPN.
One network is in the 192.168.2.0/24 range.
The other network is in the 192.168.93/24 range.
Said ubuntu box is ...
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How to see current interface/wifi speed
I can see the download and upload speed for all interfaces using glances. In the network section we can see the Rx/s and Tx/s columns where I can see the value in Mbps.
However I want to store this ...
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wired connection detected but no internet access in ubuntu 14.04 lts
i am having ubuntu 14.04 lts on machine.Though it is showing connected to LAN in network manager but it cant access internet.
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1
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How can I change my WLAN device's name?
On my last Linux installation, my laptop's Intel/Realtek PXE wireless radio device had name, as seems to be common, wlan0. I like this name; it is nice to type and remember.
That was Linux Mint 14.04,...
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Keepalived: Interface queue is empty
I installed keepalived on two Linux Server (Ubuntu 14.04)
Konifg File:
! ConfigFile for keepalived
global_defs{
vrrp_instance VI_1 {
state MASTER
interface eth0
...
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No Internet on Ubuntu 15.04 host, but Internet on Virtualbox VM's. Possibly routing problem
I have a problem getting Internet on my laptop (Lubuntu 15.04) at my office. I have used this laptop for a couple of months with same conditions, so I'm not sure what could have changed during the ...
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SMB encryption for connection from internet
I use Ubuntu Server 14.04 LTS with all updates and use built-in Samba 4.1.6. Because I use Samba from internet, I set smb encrypt = mandatory. This is fine, works great (even if I see login name when ...
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cannot enable wifi in ubuntu 15.10 , device: dell inspiron 5520
i tried lot of terminal codes such as
1 lspci -nn | grep 0280
2 sudo ifconfig wlan0 up
3 sudo apt-get install git
4 clear
5 git clone https://github.com/lwfinger/rtlwifi_new.git
6 cd ...
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115
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awus306nhr won't connect on dell inspiron with ubuntu 14.04
I just installed ubunutu 14.04 on a new dell inspiron. I need AWUS306NHR in order to get my wifi network at home. The usb network card appears in the network manager but cannot connect whereas builtin ...
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Wireless keeps on disconnecting 14.04 . Any different solutions?
I do know that this question have been asked plenty of times and I did read and did most of the solutions people recommended. Unfortunately, couldnt found any solution yet.
Basicly, Internet drops ...
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1
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How to install driver for Linksys ae6000 wireless usb adapter
I am very new to linux and don't quite understand how to install/update anything via the command line. I am running 64 bit ubuntu 14.04 and have connected to the internet only when using the Ethernet ...
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1
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Using modem drivers with Wine
I have modem that does not include drivers for Linux. I can connect to the internet via Network Manager but I can't call with it. So I tried to install modem drivers (which has *.exe extension and ...
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659
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Alfa awus036h wireless adapter acting strange
I'm using Ubuntu 14.04, I recently got an alfa awus036h and plugged it in. whenever I go to network settings it keeps connecting and disconnecting repetitively. the light on the adapter also flashes ...
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Changing metric for dhcpcd
I am trying to build a fallback connection for my ubuntu box on eth1 (it is actually a Huawei HiLink mobile broadband modem). This is the content of my interfaces file:
auto lo
iface lo inet loopback
...
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XRDP Problem Ubuntu 14.04.1
I have 14.04.1 installed on a laptop in the basement with no working display. The screen had a crack which made the initial install difficult and now the backlight went so short of lugging a monitor ...
2
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2
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Forward port from 80 to 9000 not working
I'm trying to host an app on Ubuntu 14.04 and want to redirect traffic from 80 to 9000.
sudo iptables -A INPUT -p tcp --dport 80 -j ACCEPT
sudo iptables -A INPUT -p tcp --dport 9000 -j ACCEPT
sudo ...
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