Managing and using network connectivity on a Ubuntu system

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Wifi problem on Ubuntu 14.04

I have problem with drivers on my laptop. My wifi adapter is Broadcom BCM4313 802.11bgn Wireless Network Adapter I am on Ubuntu 14.04 LTS, and my kernel is : 3.13.0-40-generic I was trying three ...
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A chromium thread using port no other than 443 or 80

I tried ss command to know the status of sockets in my system (ubuntu 14.10 ), $ ss tcp ESTAB 0 0 192.168.1.10:51492 74.125.236.200:https tcp ESTAB 0 0 ...
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How to create localhost

I am trying to set up a temporary SMTP server to send an email. I am using python for this (smtplib.SMTP('localhost')) and getting a socket error. When I try wget localhost, I get a "failed: ...
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routing through ubuntu server

Im having issues with routing from Windows/Linux/Mac machine through server and from desired interface out. So this is my configuration: My example will be Ubuntu -> Ubuntu -> out First machine: ...
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Hplip network printer setup cannot find printer (HP Officejet Pro 8620)

I have a HP Officejet Pro 8620 printer and I am trying to setup network scan with it but the hp-setup tool claims it cannot find the printer. However the printer is connected to the network and I can ...
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Ethernet connection is not showing in my ubuntu 14.04

These are outputs of some useful commands:- May it helps... 1.-> ifconfig output--> lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 ...
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Ubuntu cannot see eth1

someone can tell me what i doing wrong with Virtualbox and ubuntu?
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Huawei E303F/E303FH/E303FH not able to connect

I installed driver for my Huawei E303F/E303FH/E303FH on my Ubuntu 14.04 LST. Installed successfully but not able to connect internet. I tried to fallowed a document which come with Huawei ...
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Ubuntu 14.04 - Connection is there but no internet access - messed resolvconf

Let me start with a disclaimer: I have tried to fix my problem by reading similar questions & answers, but so far no luck. Not only that, but I think that by making some changes to resolvconf I ...
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WiFi connection not stable and low

I've been using ubuntu 14.04LTS for about half a year, about 2 month ago I noticed some issues with my WiFi connection like: For no reasons my network manager can switch to another WiFi connection ...
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No network on Dell INSPIRON E1505 Intel Core Duo, win Xp

Hello I have installed Ubuntu on this old laptop and everything works fine but I have no network with cable plugged in and no wifi. I have tried pretty much everything that people suggested in other ...
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How to organize my media files in my home network?

I need a software like Picasa that will work on my home network indexing files, retrieving thumbnails, allowing to tag them all and keeping the files where they are without copying them back to my ...
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network interface stopped working on dell inspiron e1505

I have the same problem with multiple linux distributions. I install ubunto 14.04, the ethernet works fine, try to setup wifi, that doesn't work. reboot system, then nothing works network-wise. ...
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Ubuntu 14.04 AWUS036H (v5) continually re-initializes - never succeeds completely

I have Ubuntu 14.04 running on a Dell Precision M3800. I need to use two wifi cards on this machine (long story) and I have had the internal Intel 7260 working along side a Netgear..something ...
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15 views

WLAN Sensitivity setting is not supported

I need to set and get sensitivity value for WLAN device of my Lenovo machine. I tried to set other settings such as operation mode, txpower and frequency and it works fine. Machine Manufacturer: ...
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WIFI Card not working dell Inspiron 17 wifi card

I've tried everything and I don't have a 2nd computer if you want me to show command outputs please post HELP ME I have a dell inspirion 17 and I installed ubuntu yesterday and when I logged in (I ...
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HP 470 G1 don't work bluetooth with ubuntu 14.04

When I want to connect with me bluetooth mouns, my laptop doesn't detect it.
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Home Workgroup and use TeamViewer to remote control from phones & ipad - which variant?

Home Workgroup and use TeamViewer to remote control windows 7 laptops from phones & ipad. I also hope to add an older standalone PC to network - which variant (So many, I'm confused) This is why I ...
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Unable to connect to mixed b/g/n wifi network on Ubuntu

I cannot connect to mixed b/g/n wifi Network. I am using wl drivers. Connection to other wifi networks is working well, but to this network I cannot connect from Ubuntu (from my android phone ...
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I can't reach some website

I have 2 pc, 2 laptop in my office. and they connected with small wire router. and use dhcp clients. The 4 machine are Ubuntu 14.10. When I use just my laptop only, everything is fine. very fast ...
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How to Fix the Intermittent Ping Time out

I am back with a new Question. Its weird as always. My setup is as follow; 2 Ubuntu 12.4 LTS Servers. / LynkSys POE Switch. / 01 LynkSys Router / 3 Proxim APs. The APS are connected via Cat6 to ...
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Why is my wireless very unstable, even after trying Wicd?

Here is my script output. I'm a brand new Linux user. I installed it on an old Windows 8.1 machine. Wireless Internet will be connected for a minute or two, then I will not be able to load Web pages. ...
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Wi-fi doesn't work without reinstalling after every restart - please help me - 14.04

Wi-fi doesn't work without reinstalling after every restart - please help me I'm using Ubuntu 14.04 and bcmwl driver on Dell Inspiron 15 3521 02:00.0 Network controller [0280]: Broadcom Corporation ...
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UMS.sh (run as service) on Ubuntu 14.04 won't read configuration file

I'm trying to get my ubuntu 14.04 to run universal media server so I can stream movies to my ps3 (lowest firmware 4.55 unfortunately - unjailbreakable). After much research on the net I was able to ...
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Troubleshooting network connectivity

This PC is connected via RJ-45 to home based router that in-turn conected via RJ-11 to public phone service shared with ISP. With wrong trace-route and Inaccurate connection data listed in ...
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14.10 Cannot connect to internet through a wired connection. Try before install boot option selected

I'm currently attempting to install 14.1 on a new computer via USB. No Wireless. It's plugged into the ethernet port on a Gigabyte GA-990FXA-UD3 ATX mother board with an AMD FX-6350 3.9 GHz 6 core ...
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ubuntu 14.04 can not access some sites

I recently installed ubuntu 14.04 64 bit edition. I use PPPOE internet connection. But after configuring my connection I found that I can not access some sites like(twitter, odesk, ...
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Most Complete Linux Distro [on hold]

My apologies for resorting to this forum for answers! I have been trying to find a distro of Linux that will not take me a lot of time to install and perform some basic Mac/Windows functions such as: ...
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How (or is it possible) to run code inside of /etc/network/interfaces?

The task: generate random mac when an interfaces comes up. #this does work to generate a random mac echo '00 60 2f'$(od -An -N3 -t xC /dev/urandom) | sed -e 's/ /:/g' the inside of ...
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90 views

Ubuntu WiFi connection is very unstable

I have Windows 8 and Ubuntu 14.04 dual booted on my laptop. Until last week, the WiFi on both Operating Systems were working perfectly. However, for the past few days my Ubuntu WiFi has been ...
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How to allow a WAN connection via a forward port?

My home internet connection has a static IP address (eg: 123.123.123.123) I have configured my router to forward port 9000 to an internal host (192.168.1.101), which is running Ubuntu 14-04. I run ...
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Mythbuntu Public Samba Shares

I have installed Mythbuntu 14.04 and have MythTV running. I am trying to access the Videos and other Samba shares from my Windows 8.1 workstation and get an "Access Denied" when I try. When I type ...
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Correct way to create VLAN and bridges on Ubuntu 14.04?

All, When I tried to create VLANs and Bridges on Ubuntu 14.04 as following, network connection is always lost on it, what's the problem? Note that the if I only set em1(no em1.100, cloudbr0 and ...
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no-ip is not updating on Ubuntu 14.04.1 LTS

I'm trying to set up no-ip on Ubuntu 14.04.1 LTS, but when I access no-ip website it can't show that no-ip is updating ip address. Is it necessary to open some port? I installed no-ip from this ...
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Alternative Network Manager for Ubuntu 14.04.1 supporting WPA2 Enterprise Encryption

I just installed Ubuntu 14.04.1 LTS 64-bit and I have problems with logging into the wireless network inside the university campus. The settings of the network are as follows and it does not use a ...
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14.10 Cannot connect to internet through a wired connection. Still trying before install

I'm currently attempting to install 14.1 on a new computer via USB. No Wireless. It's plugged into the ethernet port on a Gigabyte GA-990FXA-UD3 ATX mother board with an AMD FX-6350 3.9 GHz 6 core ...
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1answer
32 views

/etc/network/if-up.d script with password prompt

I want a script that logs me in when a specific interface uplink was established (university LAN). The thing is I don't want to hardcode my password into the script. Is there any way to prompt for a ...
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28 views

Can I control my computer from my Tablet?

I'm wondering if there is an App/something else that can control my computer from any internet point? Like, if I'm at school with my tablet, and I forget to turn of my computer, can I shut down my ...
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DNS Settings on Ubuntu 14.04

I just upgraded on Ubuntu 14.04 because I did some nasty thing and clumsily delete configuration files on my previous Ubuntu 12.04, and now my network is not working properly. The POP server of my ...
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Looking for driver - internet connection wireless

I have a HP-Pavillion 17-f060mb notebook PC productnumber J3S50EA and cannot connect to my wireless internet due to lack of a program. Please can someone send me the right driver? I use Lunix Ubuntu ...
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CIFS won't reconnect to Samba share on request

I have a Ubuntu 14.04 server which writes to a number of Windows machines shared folders over samba. I have all the cifs shares setup in /etc/fstab and they connect perfectly when the server boots up ...
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Wifi problem ubuntu

I have a problem with the wifi-network at school (eduroam). It connects but i'm not getting access to internet (f.e askubuntu.com). At my home and at my friends home i have 0 problems with the wifi. I ...
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MAAS using wrong NIC address for DNS

Ubuntu 14.04 LTS. with 2 NICS, one 'main' used for MAAS admin and main I/O (http://main.address/MAAS) one dedicated to cluster control only. The cluster controller nic was added after the base ...
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Ubuntu Server on Oracle VM will only work if I turn Wireless Hotspot on on my Mobile Device

A few months ago, I setup Ubuntu Server 12.04.4 on my Dell Insipron N5110 Laptop running Window 7 Home Premium, using Oracle VM. Everything worked well. When I did the install, I was connected to the ...
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Cannot connect to internet via ethernet 14.10 still trying to install

I'm currently attempting to install 14.1 on a new computer via USB. No Wireless. It's plugged into the ethernet port on a Gigabyte GA-990FXA-UD3 ATX mother board with an AMD FX-6350 3.9 GHz 6 core ...
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20 views

How to detect if an OpenVPN connection has disconnected?

I have a machine that is connected to a VPN through OpenVPN. Is there a way to detect if the connection has dropped and run a script in the event of the disconnect?
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Network very slow Ubuntu 14.04

I have machine with dual boot windows 8 and Ubuntu. When I use the Ubuntu the network goes up and down, its down for like 10 minutes and then comes up for like 30 seconds. When its down it means that ...
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29 views

Wireless chipset doesn't show up in ifconfig

i have an HP 15 with Ubuntu 12.04 LTS 64bit install, Atheros chipset, i have ath9k installed, and kernel version 3.2.0-70-generic, i had this issue with version 3.2.0-24-generic but solved following a ...
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Ubuntu 14.04.1 - Help please to setup VPN

I use VPN from www.privateinternetaccess.com My OS is Ubuntu 14.04.1. The VPN provider provided me with Beta version of special software which kills all traffic of PC except VPN so if VPN is turned ...
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DNS Not Working

I have setup an Ubuntu server with a static IP and I cannot get the DNS to work. Pinging any domain (such as google.com) will not redirect me. I have tried editing /etc/resolv.conf, but that didn't ...