Managing and using network connectivity on a Ubuntu system

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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 ...
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Dell Latitude E6500 freezes under network load (wireless) — Ubuntu 14.10

I have a Dell Latitude E6500 running Ubuntu 14.10 and it seems to freeze under "high" network activity. I am connected via Wireless to my network, no wired connection (i suppose I can test that) but ...
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34 views

Setup Server for Small Office (14.04)? [on hold]

It's been 3 months & i'm watching that my team is sucking up all my internet data in downloading,surfing, updating mobile Apps via WiFi, watching videos etc etc. But, now i'll not sit like a fool ...
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20 views

Windows 7 Domain PC not connecting to Samba share on Home network

I am having trouble mapping my Samba share to my Windows 7 laptop. The details are as follows: At my Home, I have: -PC running Ubuntu 14.04 64-bit -Connected to router(ASUS DSL-N10) via LAN cable ...
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1answer
22 views

Cannot Ubuntu desktop edition perform as Ubuntu Server Edition? [duplicate]

I found two separate OS Ubuntu Desktop Edition (like Ubuntu 14.04 LTS which I am using ) and Ubuntu Server Edition OS available. Server Edition is used to do the performance for hosting a Ubuntu ...
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1answer
41 views

Lenovo G510 Wi-fi driver problems

I'm new with Linux. Here is my story: I have installed Ubuntu 14.10 today on my laptop Lenovo G510 with the BCM43142 wireless card... Everything works well except the wi-fi that i can't use. I have ...
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42 views

how can set the proxy in my computer

My computer is Elitebook 745 running Ubuntu 14.04 LTS. It can connect to the Internet very well in my working space where is no proxy server. In my residence, there is a proxy server. It can be ...
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21 views

Ubuntu 14.04 Network problems [closed]

I get the following error message: The system network service is not compatible with this version of Ubuntu 14.04
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22 views

Networking problem

Help please.. I'm running on Ubuntu 14.04 64 bits My computer is Lenovo g510 ( i7 8go ram) This is my problem.. I'm using Ethernet cable as my connection source... I was working on My computer and ...
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Can't select “Configure VNP” in Network Manager

For some reason, if I go to Network Manager -> VPN Connections, I cannot choose Configure VPN (it's in grey). Same for Disconnect and Edit Connections. (I would take a screenshot but that isn't ...
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1answer
34 views

Sending data using HTTP GET request to Ubuntu server in TCP

I am using an industrial modem (Erco & Gener) to send data to a php webpage hosted on an ubuntu server. On the Ubuntu server side, my webpage answer correctly to an http request through URL of the ...
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28 views

Why do SSH passwords sometimes stop working?

On more than one occasion I've messed up so bad the only answer is to reinstall Ubuntu. One of these mess ups is that I do something such that the password to SSH into the machine no longer works. ...
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1answer
104 views

USB Wifi card TL-WN823N in Ubuntu 14.04.2

I have installed Ubuntu 14.04.2 in an old VAIO notebok (MODEL PCG-5J2L). It has a builtin wifi NIC, but it doesn't work for Windows nor Ubuntu. I've switched it off. I bought an USB wifi card TP Link ...
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1answer
68 views

Why is the IP “92.242.140.21” connecting to one of my ports? Is it Malware? [duplicate]

When I start up Chrome, "netstat -taupen" shows 92.242.140.21 connecting to a random port number, usually above 20,000. The IP is from the UK and is tied to Barefruit Ltd. Exactly what is connecting ...
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36 views

Using iphone as a wlan card [on hold]

I dont think theres any bluetooth on my PC (no reason for there to be) How do i use my iphone (5) to give wifi to my PC? ATM my pc has no way to get internet access
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1answer
86 views

Concerns about a stealthed port

I run Ubuntu 14.04. Using the terminal, I did netstat -taupen to see what processes are running and I got this result: Local Address Foreign Address State User Inode ...
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24 views

How configure bridge between two interfaces in ubuntu server 14.04?

I am trying to configure bridge between two interfaces em1 and em2 in ubuntu server 14.04 . but it does not work. it is may configuratioan : auto em1 iface em1 inet manual auto em2 ...
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23 views

KVM: Multiple bridges over single NIC

In my KVM host (Ubuntu 14.04 LTS) I want to setup one private network for the guests with static IP and internet access. Host is on a remote machine. I've the following configuration in the ...
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1answer
36 views

Intel Centrino Advanced-N 6235 throughput

I have an Intel Corporation Centrino Advanced-N 6235 [8086:088e] (rev 24) that is connected at 300mbit/s according to iwconfig. Using Windows 7 I get an average throughput of 11MB/s upload. On (K and ...
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59 views

missing wireless-driver on 14.04

As I explained in a previous question, I have problems with my wireless on Ubuntu 14.04 LTS. Often the following occurs: On start-up my computer doesn't always connect to my wireless When connected, ...
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1answer
50 views

Forwarding interfaces inside a docker container

I have created a docker container executing the following command docker run -it --net=none --cap-add=NET_ADMIN --name firewall ubuntu /bin/bash after I have attached it two interfaces eth0 and ...
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21 views

Slow internet connection when using ap-hotspot [duplicate]

I want to share a wi-fi connection for devices that don't get the Wireless signal very well, I managed to do this buying a Wireless Usb Card and with ap-hotspot but Internet connection is very slow. I ...
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iPad hotspot connection not working after system crash

Running Ubuntu 14.4 on Thinkpad yoga 14. I was running a setup.py develop command which caused the system to crash. I manually forced a a reboot with the power button. After restart, the wifi ...
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Server suddenly not accepting any connections [closed]

EDIT: I will leave the below information here in case it is helpful in any way, but the problem is now that the server has no incoming or outgoing connectivity at all (it does not respond to pings ...
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23 views

Randomizing host name and mac address on boot

I'm trying to set up a startup script to randomize my hostname and mac address on boot. Here is the script http://pastebin.com/qatdtbVH The random mac address is working fine, but the hostname ...
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1answer
25 views

nmap returns bogon as hostname

Earlier today, on my Ubuntu 14.04 I was running nmap 192.168.0.1/24 And my machine had a legitimate hostname in the form of [hostname].[wifinetwork]. However, when I run the same command now, my ...
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1answer
62 views

How to connect to a laptop running Ubuntu on the same home wireless network?

I am running Ubuntu 14.04.1 LTS 64-bit on both of my laptops and they are both connected to the same home Wi-Fi at the moment. I want to connect to the other computer via one of the computers, say ...
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22 views

Wireless connection randomly drop on 14.04

I'm new to linux and am discovering how to use it. Unfortunately, my wireless connection doesn't seem to work properly. When I first boot my computer, it is connected to the internet via wireless. ...
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2answers
52 views

Unstable wifi Ubuntu 14.04 LTS

Recently I had Ubuntu 14.04 LTS installed due not liking windows 8 and had trouble installing windows 7 Btw complete newb on Ubuntu ! My problem is that the wifi connection is horrible I cannot ...
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1answer
23 views

Any tutorials on how to install and configure strongswan?

I'm trying to install StrongSwan so that I have an encrypted (without DNS leaks) connection. I'm a noob :). I log onto a website and see something like this every time. Things to do: Install X Y Z 1 ...
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23 views

No internet connection [closed]

I have installed Linux Mint and Ubuntu 14.10 with no internet connection. Internet is working fine with other computers. I do have a new AMD pc I am trying to get it to work on. Not sure if that has ...
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Issues getting Netgear A6100 USB wifi adapter to work

I got Ubuntu this morning, and I'm having some issues getting my wifi adapter to work. It's an A6100 WiFi USB adapter. I've tried doing some stuff with dirvers, but I honestly have no clue what I'm ...
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48 views

Getting an internet connection to get drivers for wlan

My situation is that my wlan is broken. I have this other one i want to use. My pc at the moment has no internet connection which makes this awkward. Basically i can use: Laptop with an ethernet ...
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1answer
42 views

Wireless Problem Ubuntu 14.04

My computer is a MacBook 2009 running on Ubuntu 14.04 LTS. I'm using this system and the same wireless connection since October, but since yesterday my laptop cannot connect to my house WiFi any more. ...
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2answers
63 views

Why can't I access internet through static IP set-up Ubuntu Server 14.04?

Just installed Ubuntu Server 14.04 and set-up a static IP scheme for the machine. However when I try to ping google.com I get destination host unreachable. I can ping the machine IP just fine, the ...
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Reliance 3 ac2739 data card not detected in ubuntu 14.4

I am using reliance 3 ac2739 data card, but not working in Ubuntu 14.4. How can I make it work?
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Ethernet network is not working except for skype

I installed Ubuntu 14.04. It was working smoothly. I installed all additional software I needed. Now I am having trouble with my internet connection. My Ethernet link isn't working. I thought, the ...
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connectiin to internet through lan port

"Actually i have two operating systems operating on my laptop (Windows 8.1 and ubuntu 14.10). I cannot connect to internet via lan port. The network icon on the menu bar is not showing the "socket" ...
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Charset issue with old NAS shares via ftp and smb

This is just another charset issue and I know there are trillions of similar questions out there. But none of them helped me so far. The NAS box is an old TeraStation with charset configured to ...
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1answer
25 views

Limit bandwidth for background applications on slow network

When I am at slow and/or paid networks (i.e. in public transport wifi of while tethering) I want to browse as fast as possible, so I don't want Ubuntu to download software updates, torrents, etc. ...
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Applications in Ubuntu take forever to resolve URL, webpages usually don't load completely. Internet on other OSs are fine. What's wrong? (14.04)

All the computers in my house are connected to the same router, with the same DNS (googledns). The two Ubuntu machines take forever to "resolve host" (chrome/firefox), but the Windows machines aren't ...
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41 views

tcpd[3674]: connect from unknown (unknown) - Am I being hacked?

Earlier today I had 7 tcpd processes on my server running at 100% cpu for a long period of time. Looking into syslog I found a lot of lines like this: tcpd[11447]: connect from unknown (unknown) ...
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1answer
111 views
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Where to add the Pre-Shared Key for the Server Authentication with Network Manager for L2TP/IPSEC?

Previously, I was trying to figure out how to install the L2TP/IPSEC manager code. I guess Ubuntu/Canonical switched away from OpenSwan to StrongSwan, but didn't really announce it. So that was ...
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1answer
55 views

Wi-Fi connecting to other networks of the same name

I've been running Ubuntu 14.04 on a macbook air for about a year now, and I've recently been experiencing some strange behavior when it comes to my wireless connection. Let's assume my wireless ...
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2answers
25 views

Is there a way to view a list of previously joined networks? 14.04

From Windows Vista onward, previously joined networks are stored in the HKLM\SOFTWARE\Microsoft\WindowsNT\CurrentVersion\NetworkList\Signatures\Unmanaged registry key. I am wondering if there is a ...
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56 views

Ubuntu 14.04 really slow wifi

I apologize if this has been asked before and I did find some related posts but none of them got me a solution. So I built a new desktop and my wifi on 14.04 seems to be really inconsistent (keeps ...
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1answer
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I cannot get wifi working Dell Vostro 3550 running Ubuntu 14.04

I cannot get wifi working on my Dell Vostro 3550 running Ubuntu 14.04 does anyone know of a driver? Edit: Intel Corp Centrino Wireless-N 1030 [Rainbow Peak] [8086:008a] (rev 34
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30 views

How to disable network with crontab on ubuntu 14.04?

I am using Ubuntu 14.04 and try to disable network on scheduled time everyday. For example disable it at 5pm everyday. The first thing I tried is crontab as below: 0 17 * * * nmcli nm enable false ...
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63 views

How To fix a PPTP VPN client connection (Ubuntu on VirtualBox)

I have just installed Ubuntu 14.04 on VirtualBox and I'm trying to set up a VPN client. I have configured it with the same settings I use on a Mac and I am able to connect from that without any ...
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57 views

Ethernet link not detected in ubuntu 14.04 after update

Since I ran some update in the past week or so, I have not been able to get a wired connection. Specifically: Initially, during boot up, the ethernet link light is on As ubuntu boots up, the link ...