Managing and using network connectivity on a Ubuntu system

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Wifi problems with rtl8723be in Ubuntu 14.04

I have dual booted my Windows 8 laptop with Ubuntu 14.04. The wifi driver is Realtek rtl8723be. It didn't use to work but I updated the kernel to 3.18 and reinstalled the driver and that seemed to ...
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1answer
13 views

cannot access home wireless in ubuntu 14.10

Since i upgraded to 14.10 my home wifi doesn't show up in the list of available networks. I can connect to the wifi by phone, or other computers, but not my laptop. (btw: samsung RV520) I have tryed ...
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14 views

How can I share my printer on Ubuntu GNOME with a Windows 7 HomeGroup?

I'm using Ubuntu GNOME 14.04 on my desktop computer, which has an HP F4100 connected directly to it via USB. My parents' desktop computer runs Windows 7, which has a HomeGroup set up; my school-issued ...
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9 views

File sharing problems between Macbook Pro and pc with ubuntu 14.04

I have problems communicating my macbook Pro with my pc (running with ubuntu 14.04), i have tried to use samba but nothing happens. My macbook doesn't detect my pc ...
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How can I route certain traffic to a different access point ONLY when I'm connected to a certain network?

I know this is pretty specific, but before I do anything, I want to make sure that what I want to do doesn't brick my system if all requirements aren't met. I have a laptop. I take it to school with ...
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11 views

After system reinstall cannot connect to wi-fi

I am struggling to get my wireless network working again after a re-installation of Ubuntu 14.04. The wireless network was working perfectly before re-install. I followed the same methods as I had ...
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14 views

Can't edit connections/connect/disconnet in Gnome NetworkManager applet

since a few days I'm seeing a weird behaviour of the NetworkManager-applet in Gnome. The "Edit Connections" line is greyed out, so I'm not able to call the nm-connection-editor. From the command ...
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11 views

How to make xrdp login identical to console logon?

I'm new to Linux and a client has asked me to use Ubuntu 12.04. I need to use xrdp because I cannot find space for another monitor and kbd etc and don't own a kvm. It is preferable for me anyway. I ...
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1answer
14 views

Can't get the port redirect to work

First of all, I'm very green in ubuntu and now experimenting on my server. Here's the thing, I want my local ip 192.168.1.140:6080 to be accesible from the internet via public IP. Currently I have ...
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9 views

unusual passwort request on shutdown

lately I have been asked (only a single time) to type my administrator password in order to shut down my system. Before that, I was unable to disable networking (the buttons for enable/disable wifi ...
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15 views

Can't Set DNS by DHCP

OS : Ubuntu Server 12.04 After Compile and Install Unbound and depends Library.. resolv.conf always return 127.0.0.1. Files on /etc/resolvconf/update.d not have contain 127.0.0.1 File : ...
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1answer
19 views

Restore wired network connection

Hi My problem is the following: I was at my friend, were they had mac filter on the network. I used to clone the MAC in the network manager, but I accidentally copied it in the wrong field, and ...
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7 views

Wireless Access Point Won't Delete and Automatically Connects

I tried setting up my laptop as a wireless access point. Now when I start up my machine, or take it back out of hibernation it connects itself to the wireless hotspot that I set up. I'm not sure why ...
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19 views

Cannot connect to internet through DAP-1650

Problem I cannot connect to the Internet when connected to my DLink Wireless AC1200 Access Point DAP-1650 via Ubuntu 14.04 Trusty Tahr LTS. I can connect to the Internet when connected to my Netgear ...
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3answers
29 views

How to set up a DNS cache server without port 53

my country, indonesia, is attempting to take over DNS functions in all the ISPs here. thousands of sites including reddit, vimeo, and even (sometimes) github are blocked. now this would not be so ...
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ARGH udev won't stop renaming my interfaces!

I have the following in /etc/udev/rules.d/70-persistent-net.rules SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="d0:50:99:50:43:17", KERNEL=="eth*", NAME="eth0" SUBSYSTEM=="net", ...
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29 views

Hacking The art of exploitation [on hold]

I installed the 2nd edition of Hacking:The art of exploitation on my computer i don't know what version of Ubuntu comes on the CD but it won't communicate with the Ethernet or Wireless card. WLAN ...
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12 views

Recognize ethernet adapter on ubuntu [on hold]

It seems Ubuntu-13.04-desktop installed on my PC doesn't recognize the Ethernet adapter to make a wired connection. When I type: ifconfig -a it outputs: eth0, lo only appeared with no: wlan0. Also ...
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1answer
32 views

Internet singificantly slower when using wifi

Download speed using ethernet: 70 Mbps Download speed using wifi: 2 Mbps I have connectivity issues when using wifi sometimes as well, even though signal is fine. On W7, wifi works just fine. ...
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1answer
22 views

VMWare NAT configuration

I am trying to run the latest Ubuntu Desktop as a guest inside VMWare Workstation. I need to use NAT for internet access and access to the other Virtual Machines. This works flawlessly on all of my ...
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16 views

No WiFi connection on Acer Aspire 5530G with Ubuntu 14.04

For years I used Windows on Acer Aspire 5530G, but due to some problems I have overwritten the Windows with the Ubuntu 14.04. With Windows I used to connect to Internet via WiFi all the time, but once ...
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9 views

How to configure DEVICEURI on a Brother DCP-9020CDW printer? [on hold]

If you have a Brother DCP-9020CDW printer and have trouble to configure DEVICERI to connect to it using WIFI, this post is for you: To do so, follow the steps below to set up the connection ...
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0answers
11 views

Update error : Clearsigned file isn't valid, got 'NODATA' [duplicate]

We use a proxy at our work location. I have updated the same in the 'Network' applet. However, I keep getting this error. I have had a look into similar posts - but, there isn't something that clearly ...
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1answer
43 views

running linux on virtual machines for experimentation [on hold]

I usually use virtualbox to run linux as guest on my windows. I now want to run linux as guest on a linux machine. I'm using virtualization for experimentation on networks. I was told that virtualbox ...
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2answers
71 views

unable to click disconnect wifi on my ubuntu 12.04

i have a problem related with wireless network on my Ubuntu 12.04. as you can see, my wifi can connect to network, but when connected, the 'Disconnect' item on my wifi is disabled thus i can't click ...
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0answers
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How to access my files movies pics stored on pc in my android

I have got a computer with Xubuntu and have plenty of storage free, lots of movies video I have also got a wifi router which I don’t use since I only use my mobile data for internet. router has both ...
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7 views

Ubuntu 14.04 Dropping packets on RT5370 Wireless USB Adapter

I am getting around a 5% packet loss when I run a ping -c 20 against my router. I do not have a similar problem with any other PC in my house. When I boot the same pc into Windows7, I have a zero ...
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1answer
29 views

Wireless connection issue in Kernel 3.16

I have upgraded my Dell Vostro 1720 laptop to 14.04.2, Kernel 3.16 (from 14.02, Kernel 3.13) but now I have no access to wireless networks. My Broadcom driver PCI is 14e4:432b. I've spent hours ...
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11 views

Fake wired connection as connected without lan cable

I am using Pro engineer wildfire 4.0 using wine loader. license server is based on mac address of Ethernet card. the software loads when connected to internet but fails to retrieve mac address without ...
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32 views

I can't connect WIFI with broadcom on ACER V5-122P

I have a Acer V5 122P, only WIFI, without Ethernet port and I can't connect to WiFi, I have this information: $ ifconfig lo Link encap:Bucle local Direc. inet:127.0.0.1 ...
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20 views

VirtualBox guest (Ubuntu) has no network

I have a host - windows 7 and a guest (virtualbox) - ubuntu 14.04. A few days ago I installed ubuntu 14.04 on vmware. I believe, that in that moment internet on virtualbox ubuntu stopped working. ...
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How to correctly configure nova-compute to use FlatDHCPManager

I am trying to deploy Openstack using FlatDHCPManager. I am using MAAS+Juju to deploy all of my nodes (HP Moonshot) running trusty. I want eth1 to be the public interface. Here are the relevant ...
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0answers
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Is there a VPN Monitor/Kill Switch application for Ubuntu?

Hi I am looking for a VPN Monitor/Kill Switch application that will ensure my VPN connection is always connected. Should my secured connection drop, the application will drop the applications that ...
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1answer
39 views

WiFi on Acer Aspire with Ubuntu 14.04 randomly disconnects

Being new user of Linux, Ubuntu 14.04, and running into some problems, I need your help. I apologize if this question was already asked and answered, I have been trying to find the answer on my own, ...
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15 views

Huawei MU736 3G modem not showing in network manager and not connecting

I have a Huawei 3G module, model MU736, installed by default on my Clevo laptop, Ubuntu 14.04 64. Here is what I know: I have a dual boot with Debian 8 Jessie (which despite of Ubuntu doesn't work ...
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17 views

Are all ports in web programming TCP ports? [on hold]

I'm trying to set up a tor node following http://sickbits.net/creating-a-personal-privoxytorproxy-ec2-instance/ using ubuntu 14.4 lts on ec2. I've gotten to: $ ssh ubuntu@ec2-blah.amazonaws.com -i ...
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1answer
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Issue with network access with Ubuntu 14 as VMware Guest

I have two virtual machines(using VMware player) Debian Ubuntu 14 Desktop With Debian network access (company network + internet via proxy) works fine - out of the box (only configuring the ...
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25 views

Reconnecting network through shell script

I've written following code to reconnect to network: #!/bin/bash while [ "$var" != "end" ] do pingtime= $(ping -w 1 192.168.1.107 | grep ttl) if [ "$pingtime" = "" ] then $(sudo ifconfig ...
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1answer
20 views

Uni wired connection does not work in dual boot ubuntu 14.04 (with Win8.1 installed on the same machine)

My wired Internet works perfectly on Windows (automatic settings from Windows). In Ubuntu, wired connection sometimes works, sometimes it doesn't, and it's also on the automatic settings. I read the ...
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14 views

Missing network connections in Ubuntu 14.04 virtual machine

Recently, I have been using Ubuntu 14.04 64 bit in VMware virtual machine. However, after the recent update, all of my network drivers are missing and I can't connet to internet using NAT anymore. ...
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27 views

How to send a message between host and guest systems on the same hardware?

I've set up Ubuntu as a guest OS in a virtual machine on a host running Ubuntu 12.04. I can successfully ping one system from the other one but my goal is two send messages between the two OS. How ...
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1answer
19 views

indicator-netspeed alternative for kde

Is there an alternative to indicator-netspeed http://www.webupd8.org/2014/04/indicator-netspeed-displays-network.html on kubuntu? I want a widget that displays upload and download on the panel.
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1answer
22 views

GUFW and BitDefender [on hold]

I have a pc that I want to use only for scanning and disinfecting usb sticks. I don't want it to browse the internet or receive mail or any kind of traffic inbound or outgoing except the updates of ...
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1answer
39 views

wlan0 not found after installing ath9k from backport - ubuntu 14.04

I tried installing ath9k from backports looking here for tp-rink wn722nc. After doing everything I rebooted my computer, but now I don't have wlan0. my internel wifi card is bcm43142 802.11 b/g/n. ...
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36 views

Can't access into any .wordpress.com websites

Few days ago I've taken broadband connection. I set up the DSL cable connection from network manager and using the username and password I could perfectly connect to the internet. But I found that I ...
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0answers
14 views

Samba PDC with Active Direcyory trust problem [on hold]

I make samba pdc and active directory doamin samba pdc use a.com domain , active directory use b.com domain that i trust A with B samba pdc use winbind daemon can login another domain user account ...
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22 views

What is the problem with aircrack-ng?

I am using Ubuntu 14.04 LTS. Wireless Adaptor: Atheros Communications, Inc. AR9271 802.11n Wireless Driver : Ath9k_htc Aircrack Version: Aircrack-ng-1.2-Rc1 Reaver Version : Reaver-1.4 ...
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0answers
25 views

Out of ideas for wireless troubleshoot

So I'm running a Ubuntu 14.04/Windows 7 dual-boot. My Windows boot has no problems with wireless, but my Ubuntu boot won't connect to the internet without an ethernet connection. I've verified that I ...
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2answers
33 views

Blocking Skype on Port 80 and 443 [on hold]

I'm tring to block skype on my network i have already blocked ports 1024-65535 but now they are using ports 80 and 443. I have tred blocking the services to Skype.com, but its not working. If anyone ...
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28 views

qBittorrent network problems - doesn’t check torrents

I did a recent clean install of Lubuntu 14.10 on an old netbook. I then installed qBittorrent as main client torrent. From qBittorrent I added a couple of torrents that were already present into the ...