Managing and using network connectivity on a Ubuntu system

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WiFi Stops Working On Gateway Z Series (Ubuntu 14.04)

After several minutes there is no internet connection on my desktop computer via Wi-Fi. Ubuntu doesn't show any kind of message that my WiFi was disconnected nor is there a signal drop, but suddenly ...
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how to make an ftp server of user files for lan network and how to access it via ftp client?

I want to setup a ftp server on laptop to access the files on other machines which are on same lan network. Can anyone help me with a guided method with IP creation for lan and internet(if possible), ...
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Ubuntu Phone network selection

hope everyone is well. I recently bought the BQ Aquaris E4.5 Ubuntu phone recently, only had it 2 days and so far so good, well until now.... In the past all my phones you had the option to have ...
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I am using Lubuntu I want to connect my machine to local area network

I am using Lubuntu (on cubietruck) and I want to connect it with my laptop (windows 8). They are on same network through WIFI. How can I do that can anyone help? I want to share my files (put them ...
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How can I connect via ssh to my ubuntu phone?

I 've tried to connect via ssh to my phone, but the phone offers only authmethod_is_enabled publickey and no user-password method. I've also changed the sshd_config in: PasswordAuthentication yes ...
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AX88179 Ethernet adapter not working properly

I recently bought an adapter with the ASIX AX88179 chip in it. The adapter seems to work, but after about one minute it gets terribly slow. I have already tried this and this solution to no avail. ...
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26 views

Why is wget much faster than downloading via Chrome?

I tried to download a gigabyted file where I got 200~300 kb/s in my browser but the same link worked in wget over 6MB/s...Is there some magic behind the command?
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Ubuntu 14.04 Lts wifi not working

My Wifi is connected perfectly with a good signal strength, but sometimes it just won't get connected or the connection is very slow and not working properly. The connection on Windows 8 on the same ...
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How to automatically connect to wifi connection after entering keyring?

After starting up ubuntu, I need to enter my keyring password, which I don't mind. What I do mind is that it is not connecting automatically to a wifi connection stored in the keyring after entering ...
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25 views

Is there a way to automatically pseudo-randomize a MAC address?

It is possible to track a person by the unique MAC address of their wireless card. For Android devices, there's an app called Pry-Fi that, among other things, constantly pseudo-randomizes one's MAC ...
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Unable to initialize mon0 interface

When I started to recover the wifi key using reaver 1.4, after writing the command root@kunjesh-Ideapad-Z570:~/reaver-1.4/src# reaver -i mon0 -b <USSID> it is giving the error Reaver v1.4 ...
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Disable every network permanently

I have Ubuntu installed on an USB device, I need the system isolated from any network (LAN, wifi, bluetooth, etc.) permanently. I read a lot of suggestions but some are user-related, other disable ...
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How do I turn off background probing for wireless networks?

It has come to my attention that it is the common behaviour for Wi-Fi devices to announce all the networks they know, thus revealing a lot of information about the owners' history (work, home, travel ...
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A new connection is generated instead of using the new settings

I am trying to set up a static IP address using the nm-connection-editor tool. I select the currently-used wireless network, click edit, go to "IPV4 Settings", click add, enter a valid IP address, ...
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Ubuntu can see my networked Macs but my Macs can't see Ubuntu

Q1. How do I share my Trusty computer with my Macintoshes? Samba? Ftp? Sftp? maybe my Ubuntu Trusty install has file sharing permissions that are incompatible which I'm not setting up correctly. And ...
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Ubuntu 14.04 wireless network very slow and unstable (HP laptop)

The wireless connection on my laptop has been very slow, both at work and home! I have to constantly power off and on the wireless adaptor, to make it work! Here is the information regarding my ...
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I am having issues properly configuring a secure network

I ran a script in order to provide as much information as possible because I really need help. I would greatly appreciate it. The information the script yielded is in this link: ...
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How can I rise up mobile network performance under Ubuntu to Windows level?

... or What can be causing less effective broadband networking on Ubuntu? Ubuntu 14.04 x64 ping: 25-70ms, download: 2Mb, upload: 3Mb compared to Windows 7 x64 ping: 25ms, download: 4Mb - 5Mb, ...
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Ubuntu 14.10 wireless card is undetected

I just turned on my Inspiron 17r 5737 with Ubuntu 14.10 to discover that the wireless card (an Intel Corporation Wireless 7260) is misteriously undetected and that I can no longer connect to any ...
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23 views

getting error when inserting driver module

error as can not be read private key when I install driver Realtek driver module to linux ubuntu 14.04 (3.13-.0-32-generic) how to resolve this problem . can i downgrade my kernel version of current ...
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Ubuntu as a bandwidth throttling box on windows network

I need to test the performance of some applications over different capacity connections (broadband, EFM, LAN extension etc). How would i configure an Ubuntu server to sit between the main network ...
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Several issues with 14.04.2 slow network, high samba cup usage

I have Ubuntu Trusty 14.04.2 installed with Zentyal and openchange. It is running on Vmware 5.1 with 8GB ram and 1 cpu with 4 cores. I am having a huge problem with network traffic being very slow ...
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Dual Wan and lan configuration

Iam planed to configure a dual wan ubuntu router with dual lan. ie., eth0 and eth0:1. And ath0(192.168.1.1) should route through ISP 1 and eth0:1(192.168.2.1) should route through ISP 2. Please guide ...
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Ubuntu 14.04 dual boot with Windows 8: WiFi stops working spontaneously

I'm having a problem connecting to the internet.. I installed ubuntu 14.04 on my Lenovo Y50-70, dual boot with the pre-installed Windows 8 OS I had. I used this guide. Everything works perfectly, ...
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Setting up ipv6

My isp(Charter) offers a 6rd relay to ipv6. I'd like to configure ubuntu to use that address. Most of the links I am finding are how to disable it. So Im not sure how to get it working. I found a blog ...
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WIFI Drivers for ubuntu 14.04

I have just installed Ubuntu 14.04 and I am not getting wifi signals.Can any one help me with this problem as I have no experience of using Ubuntu?
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Need Tool to install/uninstall any application in systems in LAN

Need Tool to install/uninstall any application in systems in LAN . I want the tool by which i can install n uninstalled the softwares running in my LAN machines.
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DNS Resolution Problem on Ubuntu 14.4 LTS

I have a Windows 8 host machine running Virtual Box and a virtual Ubuntu 14.4 LTS Machine. In the Ubuntu box, I can access and resolve DNS for every external site (Ex.: www.google.com) and I can ...
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etc/network/interface empty no internet connection

My internet connection has gone suddenly and I find my /etc/network/interfaces is completely empty, I can't ping my router and ifconfig for eth0 shows no ip address or broadcast address, I tried ...
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VirtualBox Lubuntu 12.04 and Debian Wheezy guests - differences in /etc/network/interfaces

I have 2 guests - one Lubuntu 12.04 LTS and one Debian Wheezy - running on a Debian Wheezy host. I recently started expanding my knowledge on the topic of distributed systems, databases etc. and I ...
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29 views

Windows 7: No internet connection after installing Ubuntu via Dual-boot

Today I've installed Ubuntu 14.10 alongside Windows 7, like dual-boot. So, it Ubuntu works perfectly for now on - connects to an internet and discovers the network IP. The huge problem is in Windows ...
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Ubuntu internet speed tests slower than Windows on same hardware

I'm trying to get a PC setup to test 1Gig services. We can get there with Windows, but we need more devices to test with and looking to not have to pay for more Windows licenses. We also have to ...
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502 Bad Gateway on redeploy

I am redeploying a Meteor application on DigitalOcean, and I am getting the following error message: 2015/03/24 13:58:58 [error] 4741#0: *10170 connect() failed (111: Connection refused) while ...
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Transparent proxy listening on sub-interfaces

I have iptables and squid on the same box. HTTP traffic doesn't seem to be going through the transparent proxy when I change my rules on the filter table. What is the best point to filter http ...
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1answer
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cutecom not comunicating

I need some help communicating with a serial port device. I have the serial port set to "auto" IRQ in the BIOS. The device (a Temperature controller) has the following Data protocol: Baud:9600 Tx ...
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Use VPN route only for vpn range

When setting up a VPN connection using the UI (System settings => Network) the VPN connection is used as the default route after connecting to it. How can I avoid this? That is without assigning ...
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1answer
33 views

Network fails to configure on boot

Ubuntu server 64bit 14.04.2 On boot it waits for network configuration then says waiting 60 more seconds. I cant ping gateway or internet. ifconfig shows only lo ifconfig -a shows eth0 and lo I ...
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56 views

My wifi is not functioning properly on my Lenovo Z50-70 using a Ubuntu 14.04

I am newbie in using Linux. When I installed UBuntu 14.04, I found wifi problem with my Lenovo Z50-70. After connecting to a wireless network it works for a brief period of time, then, although it ...
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IPv6 as public IP

I added a static IPv6 public IP address to my Ubuntu Virtual Machine. And routed it in my server, but can't get it to work. When I'm on the server, and go to the local IPv4 or IPv6 address, I get the ...
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How do I configure Ubuntu to automatically connect to the Internet when I plugin in iPhone?

I have an iPhone 5 (with Personal Hotspot turned on), which I connect to an Ubuntu 14.04 laptop. Right now when I connect it, I have to run (sometimes twice) the following script: idevicepair pair ...
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I have lost my ethernet connection since resetting powerline plugs

I have a desktop which dual-boots to Kubutu 14.04 by preference, or Windows 7. My wife has an iMac desktop and we have various wifi tablets and phones. We have a Technicolor tg582n router to which the ...
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pptpd configuration two subnets

I have office vpn server which I have configured last year. It runs pptpd v1.3.4 on ubuntu server 14.04. Now we are creating new subnet so I need to configure pptpd to give specific users specific ip ...
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how make static table arp

To make static arp table is to insert ip using this command : arp -i interface -s adresse_IP adresse_MAC and it will not dynamic entries?
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Add an aliased interface eth0:0 to my wireless bridge

So, I have internet access being shared with iptables MASQUERADE to my wlan0 (hostapd). I have my eth0 with dhclient to have internet. I wanted to add eth0:0 to the internal subnet. As soon as I ...
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1answer
34 views

Remote desktop connect

Please don't mark this as a duplicate: I have no idea how to connect to my friend's Ubuntu 14LTS while I'm in the UK. I know there is the "Desktop Sharing" and that Remmina app, but I tried just ...
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Force users to authenticate

I have set up an Ubuntu server as a firewall/gateway router following the article here: https://rbgeek.wordpress.com/2012/05/14/ubuntu-as-a-firewallgateway-router/ Everything seems to work fine, but ...
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samba isn't accessible from other computers in the network?

I'm having a server running Ubuntu 14.04. Recently I've set up a Samba-Server to share some files with the Windows computers in the network. It's working but only accessible from the machine where ...
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99 views

bluetooth is not working on 14.04 with BCM43142

I own a Acer Aspire E5-551G. Wi-fi works fine, but Bluetooth is not working?. I already tried several methods to solve this problem, but nothing has worked for me. Here are some outputs which were ...
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Wireless connection problem - 14.02.2 LTS

I am a lay person when it comes to computers, but I want to give Ubuntu a try. I recently installed Ubuntu and I am having trouble accessing WiFi. It appears on the face to connect- enable WiFi is ...
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ISC DHCP Different DNS Server For Different Client OS

Is it possible to configure isc-dhcp in a way that it can send different DNS server addresses to different clients in the network? Let say I have some Macs, PCs with Linux and Windows in the ...