Managing and using network connectivity on a Ubuntu system

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Internet drops out when using shared hub or streaming media

Depending on the network I'm connected to my (wireless) internet will drop out every 30 seconds to every few hours. How often I drop out (seemingly) depends on the network, and the amount of traffic ...
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1answer
25 views

top like utility for network activity/ports by process

I'm looking for a utility to continuously monitor network traffic by process. Something like top but instead of focusing on CPU/memory, I would like to see TCP and UDP ports and throughput for the ...
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2answers
18 views

MacMini (running Ubuntu 14.04) loses wlan connection when uploading larger files (several 100 mb) via ownCloud

I installed Ubuntu 14.04 on an old MacMini with the intention of running it as a homeserver. Additionally I installed ownCloud and tried to sync some files both from a laptop running elementaryOS and ...
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1answer
33 views

Static IP breaks Network connection

I am somewhat new to Linux. I am setting up a Web server and installed Ubuntu server 14.04 on an vSphere ESXi 5.5 host. I am connecting perfectly fine to the internet when using DHCP but when I apply ...
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3answers
78 views

Can two PCs with Ubuntu share the clipboard buffer?

I need to copy text on the first PC and paste on the second. Is this possible?
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0answers
80 views

How to get Wifi working on Ubuntu 14.04 (Macbook Pro Retina 15 inch - 2014)

I just downloaded Ubuntu 14.04 on my Macbook Pro Retina 15 inch 2014 version using usb. My problem is I can't get the Wifi working. No wifi connections would display on the wifi menu. I've tried ...
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1answer
79 views

Unstable wireless Ubuntu 14.04

The internet connection is relatively stable however it seems to drop every few minutes for 10-20 seconds. Panda Ultra Wireless N Unstable Connection ...
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0answers
26 views

Having problem with ethernet port Ubuntu 14.04

My Ethernet light keeps on blinking even after I shut down my laptop. I have dual booted Ubuntu 14.04 with windows 8.1. However, if I show down from windows the light goes off. But in the case of ...
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16 views

Desktop Shorcut to dial a Mobile 3g Connection

Like in Windows, is there any way to create a desktop shortcut to dial a mobile 3g connection (I'm using Mate DE)? I use default Network Manager.
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1answer
35 views

IP/PORT forward requests to another server

I have the following listening PORT:IP set up on my UBuntu server. 12.345.67.890:3636 It receives requests perfectly, however, I would now like to forward any requests to that IP:PORT to another ...
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27 views

Wifi not working…still

Upgraded to 14.04 from 12.04 (which was working fine). Now wifi will not connect most of the time. Sometimes when rebooted it connects but most of the time it will not. I have not changed anything ...
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1answer
35 views

Does driver exist for Trendnet AC1200 Dual Band Wireless adapter for Ubuntu 14.04 64bit?

I'm new to Ubuntu and was wondering if Ubuntu 14.04 64-bit drivers exist for the Trendnet AC1200 Dual Band Wireless USB 3.0 adapter. I tried searching the forums for my specific adapter, but no luck. ...
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71 views

Ethernet connection intermittently does not work in LTS 14.04

I have been having an intermittent issue with my ethernet connection my laptop. I am using Ubuntu 14.04 LTS 64 bit. I am running a Dell 15 7357. Below is the output from lspci -v for my ethernet ...
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0answers
12 views

Downsides of enabling access using WINS/Netbios from Windows

I'm setting up a Ubuntu server v14.04 and want to be able to access it using its hostname instead of IP from Windows. The solutions I have found are these: sudo gedit /etc/nsswitch.conf hosts: ...
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2answers
30 views

Excessive Power Consumption by ethernet socket

Recently I have been having problems with power consumption in Ubuntu, I am not exactly sure when this started but roughly about two weeks ago. Idle my laptop used about 9-10W of power, or at least it ...
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1answer
106 views

Wireless Drivers for Broadcom BCM 4321 (14e4:4329) will not stay connected to a wireless network

So, I'm not necessary new to Linux, I just never took the time to learn it, so please, bare with me. I just swapped out one of my wireless cards from one computer to another. This wireless card in ...
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0answers
19 views

Problem with Dell PowerEdge 1950 network interface

The 1950 has two Broadcom Corporation NetXtreme II BCM5708 Gigabit Ethernet interfaces. When I have eth0 running and eth1 disabled, dhcp client kicks in, and the server is assigned an address and life ...
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0answers
21 views

Connecting to DSL on Asus K53SV

I have recently switched to Linux Mint 17. I've been unable to connect it to internet using DSL connection. The connection was working fine on another system, I had unplugged it and tried to access ...
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0answers
21 views

Ubuntu doesn't recognize my wireless USB adaptor

I need a little help as i am new to UBUNTU. My ubuntu is not recognizing my wireless USB adptor. I have already installed the drivers through WINDOWS WIRELESS DRIVERS. But it shows that no hardware is ...
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1answer
18 views

Failover/ gateway issue. Help please

hope someone can help, this would be excellent. I’ve ubuntu DHCP server (10.04), which works great (many thanks to everyone who helped me in this excellent forum). This server has 2 cards, eth0 for ...
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1answer
12 views

Only resolve DNS on VPN Server

I installed pptpd but my connection is too slow and i need use Google DNSes (8.8.8.8,8.8.4.4) on my Android without root for mobile network (not Wi-Fi). How can i configure my ubuntu server for just ...
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0answers
14 views

List usernames/machine name for display-less machine

I have a display-less machine (faulty VGA) I am trying to SSH to over my local network by doing something like ssh username@machinename.local as described in this solution. I know the password for ...
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0answers
17 views

No network traffic is being measured

I just completely cleaned my computer and installed Ubuntu 14.04. Before, I used ifstat under Ubuntu 12.04 to measure my network traffic in the command line. However, now that I installed ifstat under ...
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0answers
13 views

Drop connection if upload speed exceed specific value

I have a media server installed to my Ubuntu machine. I want to limit(really limit) incoming data to my server per connection for uploads and if specific bandwidth exceed, their connection will be ...
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0answers
52 views

Network Manager icon disapear 14.04

After installing hostapd in ubuntu 14.04. Network Manager icon disapears. Even after removing hostapd, still Network Manager icon is not appearing. During boot up, "Waiting up to 60 seconds to ...
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1answer
53 views

Private Internet Access (VPN) on Ubuntu 12.04

Has anyone used Exede Internet Service (ISP) with Private Internet Access (VPN) or any other VPN. I'm in rural OK area thinking of using Exede but they want 2 yr contract. You mention VPN and they ...
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1answer
32 views

Why does my wireless card appears in iwconfig as a eth interface?

I wanted to identify my wireless network interface name to check my wireless network card is installed properly or not . But i am getting something different. I'm used to seeing this: $ ...
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1answer
98 views

No internet after upgrading from 12.04 to 14.04.1

I have a Dell Latitude with Ethernet and Wireless (broadcomm) adapters. They were both working fine on 12.04. I upgraded to 14.04.1 via the Software Manager. Since then I am unable to connect to the ...
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1answer
28 views

how can I clear wrong typed wireless information?

I try to connect to a WPA2 wireless network detected by my wireless adapter and the default application for wireless connection under ubuntu 12.04. I typed some wrong information such as i should have ...
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0answers
51 views

How to EASY share files over a private network, between different OS's

I'm trying to finding a simple method for sharing my files on my home network. Instead of the usual network protocols, which often give me some trouble, I was thinking to something like a local ...
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1answer
23 views

Live host on network is masked in some way or its changing it's ip?

OVERVIEW: My professor runs some kind of live Ubuntu OS image on top of the classroom computer he uses to lecture then portals into his linux box located in his office. He has informed me his ...
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1answer
27 views

Intel Corporation Ethernet Connection does not start properly

I'm experiencing some problems when trying to connect my PC to the router through a switch. When the PC is directly connected to the router, everything works fine, Ubuntu (14.04) starts normally, and ...
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0answers
32 views

Wireless Lan RALINK RT5370 not working

I am new to Linux. Would appreciate if you can help me with the below problem. I have a wireless lan - RALINK. When I run the lsusb command, following is the output. Bus 001 Device 004: ID 148f:5370 ...
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0answers
11 views

Bluetooth turns on instead of WIFI

I have Dell inspiron laptop. And I recently installed 14.04. And whenever I press the hardware button provided for WiFi, bluetooth turns on. And I used command sudo service wireless start. this was ...
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0answers
20 views

Ubuntu 14.04 No Network Devices Detected [on hold]

Quite new to Ubuntu and just upgraded from 12.04 to 14.04, the internet initially worked roughly 10 minutes and just stopped didn't enter anything in the terminal just was using web browser and lost ...
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0answers
12 views

Stops network with windows 7 after a time

I have 2 PC with Ubuntu 14.04. In both I have the same problem. I have samba installed, cifs, and with that networking with a computer with windows 7 home that is my file server (don´t ask why). I ...
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0answers
108 views

Internet conection problem when updating Ubuntu 12.04 to 14.04 Server

Upgraded my server's software from Ubuntu 12.04 to Ubuntu 14.04 and now the server cannot access the internet. I can ping devices on my LAN, including my modem. When I try to ping any site on the ...
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45 views

Cordova / npm problem in sockets connection Ubuntu 14.04

I am facing a problem while using Cordova, every time Cordova/NPM needs to access web resources, like add a android platform. I have the android sdk up and running. And using Ubuntu 14.04. When I ...
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0answers
24 views

Mobile broadband connection is unavailable / USB modem detected as CD

I have almost the same problem as described here: Cannot make mobile broadband connection in Ubuntu 13.04 I've added new broadband connection, but it's still not visible on the list. from what I ...
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0answers
18 views

Ping non-responsive, inspite of working internet connection

I am running on Ubuntu 12.10. And I am connected to a working, stable internet connection. I can browse using firefox and chrome. But when I try to run ping command in the terminal, no packets are ...
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0answers
11 views

Disable Interrupt Moderation on Ubuntu

I'm running Ubuntu 14.04 on a Early 2011 macbook pro. I can't seem to find a way to disable interrupt moderation.
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1answer
41 views

Fastest screen sharing on Ubuntu?

Have you come across a smooth and high screen quality alernative to TeamViewr or screen sharing via Google Hangout? On long sessions it becomes very tiresome as there is so much lag so the image is ...
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0answers
28 views

Connected to a wireless AP but no internet

I just upgraded to 14.04 and I'm not able to load pages even though wifi is connected. Here's the output of ifconfig (I was using usb tethering). Please give me some pointers on how to diagnose the ...
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1answer
41 views

Turn off AP (hotspot) through terminal

How can I turn off the AP hotspot through the terminal, since when I turn it off in network settings the program crashes. Also: How do I get networking to start when the computer boots up? It doesn't ...
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0answers
28 views

Ubuntu cant connect to Wireless Cisco E1200 (Atheros AR5BWB222)

I have a problem, my Ubuntu installation keeps trying to connect to my home Wireless (Cisco E1200) it keeps trying but never connects. I test the connection with same computer but booting with ...
0
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1answer
35 views

I have some questions about Firewall [closed]

So I am pretty new to Linux (With the exception of Android), and being use to the old ways of Windows pretty much all I had to do for Firewall was turn it on and forget about it. However with Ubuntu ...
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0answers
26 views

Ubuntu Server doesn't recognize internet or bootable media [on hold]

I just installed Ubuntu Server on a fresh new machine. I've run Mint a little on a laptop but that's the extent of my Linux experience. The install seemed to go fine but at the time the machine was ...
0
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1answer
24 views

IP address problem on 2nd network card

I have a network at home with multiple clients, both wired and wifi. All but one of the clients connect to the network with an IP address that is within the range that the router assigns to them. The ...
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0answers
25 views

Processes in docker cannot connect with ufw enabled

I'm trying to setup a server to use ufw with docker (via dokku.) When ufw is enabled, I cannot open connections from one container to another. When it's disabled, I can connect fine. As an example, I ...
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0answers
21 views

Network issues in 14.04

So I recently downloaded ubuntu and every 30 minutes or so I end up having my connection drop. Is this some kind of driver issue or do I need to mess with my settings.this is my network card from the ...