Managing and using network connectivity on a Ubuntu system

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Wifi networks will not show up!

I'm running Ubuntu 14.04 on an old '08 macbook. I've gone to system settings>Software & Updates>Additional Drivers and enabled the wireless driver. But when I click the wifi icon on the top ...
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1answer
12 views

Adding a 'network' USB printer

I have a HP Deskjet 1050a printer, hence the 'network' in the title. Its a bog standard USB home printer. I have it attached to my router (has a USB port in it). I have got it connected and working ...
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Ubuntu and VirtualBox

I have the following configuration, A host running Windows 7; A guest running Ubuntu 14.04 LTS (VirtualBox); I am connecting a Cisco router directly to my PC running Windows 7 and testing the router ...
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cannot connect using L2TP IPsec VPN Manager 1.0.9 on Ubuntu Desktop 14.04

used Synaptic to install L2TP have checked the dependencies are installed too. but cannot connect to work VPN when i click connect Ubuntu reports error 410 $> sudo ipsec verify Checking your system ...
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32 views

My IP Address in Ubuntu doesn't work anymore, why?

I have my IP address first (192.168.0.144) but when I tried to ifconfig again the result is this: lo Link encap:Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ...
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8 views

Canon PIXMA MG3150 Wireless Connection Setup

Any ideas how to set up Canon PIXMA MG3150 Wireless Connection? On the cannon site it says press WPS button on router... I do not have this button on my router. I run Ubuntu Studio 14.04. I have also ...
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4 views

Bridged VM guest does not get IPv6 prefix

I have a similar problem and setup as described in IPv6 does not work over bridge. My host get a IPv6 prefix but the guest VM only gets a local fe80-prefix. Using tcpdump I can see that solicit ...
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17 views

No internet on Lubuntu 14.04

I have a two computers, one runs W7 and other one runs Lubuntu 14.04. Both computers are connected via LAN cable to the router, however internet on Lubuntu 14.04 gets bugged sometimes. I would like ...
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11 views

Failed to download package files - new hardware support

I have software updates that the Update Manager downloads and installs just fine. But it also show a line that says "New hardware support is available" with a button to install. When pressing this ...
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10 views

How to keep connection open between Ubuntu Server and Mac/Windows?

How do I keep my NAS connection active between my NAS running Ubuntu Server and my Macs/PCs? I've built a PC and installed Ubuntu Server to use as a NAS. The goal is to be able to access documents ...
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12 views

Network traffic monitoring for unexperienced users

I'm a really unexperienced Ubuntu user and I'm having a hard time monitoring my network traffic. I just need to know what websites each one of the devices connected to my network are accessing. I've ...
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1answer
21 views

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 ...
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9 views

Failing using a mobile broadband usb modem

I get the following notice on the screen: "Your current network has a .local domain which is not recommended and incompatible with the AVAHI network service discovery. The service has been disabled." ...
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6 views

Not able to get a wired/wireless connection using ubuntu 14.04 [duplicate]

I have a Dell Inspiron E1505 that was using ubuntu 12.04 with no problem after I made some changes to get wireless up and running. But after ubuntu 14.04 was installed from a DVD, the internet was ...
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1answer
21 views

how to set a static ip on ubuntu 14.04 which is runing on wmware workstation 10. [duplicate]

i configured master and slave setup. but some times after restart the machines wired ip address changes. how to set a static ip step by step. please help me thank you.
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can access my webserver only using local network

I have two web servers on an Ubuntu 14. Router forwarding to nginx on port 80 Router forwarding to rdeck on port 4441 - working well The port 4440 is working well from anywhere. But the port 80 ...
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17 views

problem with network manager (wireless related)

I am having problem with my wireless network for some period of time the network work fines but after some time it stop working ...trying to disconnect shows error device disconnect failed (4)did ...
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14 views

Intranet LAN networking for office PCS

I am a Newbie in Ubuntu. I have 8 new PCs installed with Ubuntu 14.04, I am unable to do networking in them. I want to share files in all PC's Ubuntu to Ubuntu which includes sharing a drive and ...
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11 views

Local Network Places access in Dreamweaver 8

I just downloaded Ubuntu operating system for my work. I'm using Dreamweaver 8 for development. But i'm unable to access my local network places while working on Dreamweaver 8. Please guide me, how ...
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1answer
28 views

How to install spark in Ubuntu 12.04? [duplicate]

It shows error like file size is too large, I am using through my institution Internet connection its limited access. so I need help to how could install the spark??? My system is Ubuntu 12.04 ...
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11 views

Forward ports from local network ips to external network

I have server running Ubuntu Server 12.04. This server have two network carts. The first one is the industrial network. This network is visible only to the industrial devices connected to it and to ...
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10 views

Graphics problem while installing ubuntu

Respected Sir/Mam while i am going to install ubuntu my laptop giving a error after installation that my system is running in low graphics.i have a laptop having amd redeon graphics ...
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24 views

Install reliance Driver software in ubuntu 14.04

I'm Using Huawei ec 150 dongle. I need to install driver software It is quiet a big task for begineers in linux. So i took this matter over here. EDIT Output of lsusb Bus 001 Device 001: ID ...
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45 views

How to configure a network printer in Ubuntu 14.04

I have 2 printers on a home WiFi network that are accessed by 2 desktops running Windows. I have a new laptop on which I am learning/trying Ubuntu 14.04. How do I configure things to access these ...
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14 views

Wireless in virtualbox not working

I have Ubuntu 14.04 installed. I have enabled the USB nic in settings in Virtualbox manager but when I use lshw -C network it does not show the wireless nic Using lsusb shows this output: Bus 001 ...
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11 views

I removed network applet can't restore it after two appeared

I removed network applet can't restore it after two appeared running Ubuntu Studio 64 bit system.
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1answer
33 views

Internet not working (local network works) after upgrade to 14.04

I have an internet connection that works through a proxy that requires username & password. After online upgrade to 14.04 from 12.04, I am unable to connect to internet, pinging to popular sites ...
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I am not able to connect to wifi network

I had tried every code every idea every thing but I failed wireless driver Broadcom BCM43412, but when I checked pci-id it show not supported. my pci id is 14e4:4365 and chip id is BCM43142. I tried ...
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1answer
43 views

Wired connection cannot be established - no eth0

i am on ubuntu trusty 14.04, and i recently lost my wired ethernet connection for uknown reason. I get eth0 no such device and other related errors. I tried many solutions from other posts, and i ...
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8 views

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
18 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
16 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
29 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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67 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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39 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
55 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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14 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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14 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
29 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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17 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
21 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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1answer
23 views

How do I connect 12.04 to 14.04 over a LAN?

I have 3 computers; 2 running 14.04 and one running 12.04. All work fine and have complete Internet access. I would like to be able to connect them via the network in such manner that my wife's Win7 ...
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31 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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10 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
20 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
48 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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11 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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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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13 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
16 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 ...