Managing and using network connectivity on a Ubuntu system

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Wireless drops after 10-15 mins in Ubuntu 16.04 Lenovo b50-10

I've been using Ubuntu since Vista pushed me away from Bill Gates' software, but a low level user as I've been lucky enough that on all the laptops I've run it's worked glich free, which now I come to ...
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Problems with Netgear GA511 Gigabit Ethernet PCCard

I am trying to get an R8169 based Netgear GA511 working under Ubuntu 14.04. The module is loaded the leds are Green (link) (Yellow) on the 100/1000M speed led. Ethertool doesn't seem to let me set ...
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UDP packet does not reach the application that is listening on Ubuntu

I am sending a UDP packet from Arduino, the packet reach my server Ubuntu because it is possible to see it on tcpdump as you can see. But is never forwarded to my application that is listening on port ...
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17 views

ssh local ipaddress

I am trying to setup a multi-node hadoop cluster on my local laptop. I have 2 VMs running ubuntu. I am able to successfully run hadoop on each one of these VMs as single-node. To configure ...
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1answer
16 views

Static LAN IP Problems on Ubuntu

I'm having problem on defining static IP to my machine. I want to declare a static IP which connects to router with wireless, those lines below are the settings in /etc/network/interfaces file: auto ...
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i have a problem in cydia sources problems because of program archive is not found

The pack org.hacx.superrecorder needs to be reinstalled, but i can't find an archive for it. this is my problem i need a solution as fast as possible please.
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Getting time out error using NFS on Synology NAS

I know this question has been asked a few times, but please bear with me. I'm new to Linux (only been using for a few months, but I like to think I have learnt fairly quickly, and am halfway confident ...
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8 views

Wi-Fi card not detected on Dell Inspiron 17R 5721

I'm new to Linux. My installation is Ubuntu 14.04.3. From day to day, my wireless card (Intel Centrino Wireless-N 2230) on Dell Inspiron 17R 5721 stopped working. It also disappeared from ifconfig and ...
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18 views

No wifi internet connection on ubuntu 14.04 (dual boot with windows 8.1)

I have just installed ubuntu 14.04 on dual boot with windows 8.1 but ubuntu won't connect to wifi. I am using ASUS G771JM and here is the output of lspci -knn | grep -EA2 'Eth|Net' on terminal. ...
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Just installed ubuntu and my wireless is not working

Hey I just installed ubuntu and my wireless is not working. It is a intel dual band wireless ac 3165. My first thought was to go to the intel and get the driver for it. So I done that and got the ...
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6 views

Slow restart from hibernation

One of our computers running ubuntu 15.10 is very slow at restarting from hibernation. Slow as in today it took it 20 minutes to restart. As in this conversation ...
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How to broadcast local server as wifi hotspot

I have a local server running on 127.0.0.1:8008. I would like to use my ubuntu laptop as a wifi hostspot to allow users to access the server running on this port. I read ...
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9 views

RNDIS Gadget driver intermittently working

I am trying to connect an RNDIS device via usb. When I plug the device in and run lsusb it seems to take ages (~20-30 secs) to run, and then the results are: Bus 004 Device 010: ID 19a5:0402 ...
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I Just installed Ubuntu 14.04 on Acer Z1402-3563, but the Connection always get offline and just working on cable

I'am new to use ubuntu operating system, i've installed on my laptop after instalation i can not get any list of wifi SSID on my connection. can any of master ubuntu can teach me how to fix this. i ...
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1answer
5 views

Driver download for RTL8723BE?

I have a Dell Inspiron 13-7000 series, which has the RTL8723BE Realtek wireless chip. Wifi currently does not work on the computer, and it has no ethernet port, so I can't use terminal to download ...
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1answer
25 views

eth0 not in /etc/network/interfaces

I'm using Ubuntu 14.04 and my ethernet (eth0) connection is working fine. (with DHCP) However, when I read the /etc/network/interfaces, there is nothing about eth0 in it. Is Ubuntu 14.04 reading ...
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Issues with Samba Connection

So I'm building my first home server and am having issues with the samba system all my computers can detect it but I am receiving errors telling me it is unaccessible. The computers in the house are ...
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15 views

WLAN device not working in Ubuntu Server

I have just installed Ubuntu Server on an old PC to use as a Plex Media Server. I wish to connect it to my wireless network but the wireless netwrok interface is not showing up in ...
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1answer
17 views

Real system wide proxy

Is it possible to configure something (in one place) that directs all http and https traffic through a specific proxy. At work we need to go through a proxy to get to the outside world. That proxy ...
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16 views

ubuntu 14LTS -Even after my bluetooth is detected and is ON, I seem to be unable to pair with any device

I tried to follow this(Ralink RT 3290 Bluetooth Problem on Ubuntu 14.04) thread it helped me to bring my bluetooth icon but I am unable to pair up with any device. Laptop hp 15r series ##### release ...
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14.04 Wifi doesn't turn back on after sleep

Related questions have been asked quite often, but the solutions mentioned in those questions don't seem to solve my problem. This quesion seems to be on the right track and I use it as a general ...
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24 views

How to install Qualcomm Atheros WiFi Device Driver which is Missing in Ubuntu MATE 15.10?

$ lspci -nn 02:00.0 Network controller: Qualcomm Atheros Device [168c:0041] (rev 20) Now i'm using Ubuntu MATE 15.10. I have installed some other Linux Distro. But none of them has driver ...
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Intel 7260 - Mint 17.3 - Thinkpad T540p [on hold]

not sure what is going on here - but please, would you be so kind as to see the wireless script output. ########## wireless info START ########## Report from: 09 Feb 2016 15:56 SAST +0200 Booted ...
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Config for direct network connection between 2 servers both with connection to switch

I have the following setup: Server 1 eth0 > Switch Server 2 eth0 > Switch eth0 on both currently uses DHCP where the DHCP server will assign the same IP each time, so they have static IPs. ...
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28 views

Wifi realtek Realtek 8723BE inoperative on ubuntu 15.10

I've just purchased a notebook lenovo b50-80, mate ubuntu 15.10 installation with bios in legacy mode I made several attempts to operate the card by following this guide: Realtek 8723BE Wifi problem; ...
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7 views

How to use amazon instances' public IPs in hadoop configuration?

I was trying to configure Hadoop by using the public IPs of amazon instances instead of their intra-network IPs as my aim is to create a hybrid cluster i.e. Cloud + Local machine cluster. Although all ...
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Wireless driver for mouse movement on Ubuntu 15.04

Setup I have a wireless board which is used to move mouse on a respective computer. It is connected through a dongle wirelessly to the computer. The driver/application is available are for only ...
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2answers
53 views

chmod 777 on a home network

first and foremost i am a noob in ubuntu, but since i want to learn more i decided to make my home server an Ubuntu Desktop machine. After searching online i installed Samba and connected my other ...
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samba installation Error on Ubuntu 15.04

I am began to use Ubuntu. I can not enable file sharing. It show samba package required Error. So, I try to install samba by apt-get install samba The following errors are shown. Some packages ...
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10 views

sshuttle and create_ap don't work together

I am using sshuttle to forward all my traffic. ./sshuttle --dns -r root@remotemachine 0/0 All applications work fine and their traffic is forwarded through this remotemachine. But, when I try to ...
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How do I get network connection and WiFi working on Dell Inspiron 1520 and Ubuntu 12.04?

When I booted from the USB key, it popped up a notification for additional drivers, and then it installed an ethernet driver so at least the ethernet cable worked. After I installed and booted from ...
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the packet flow from a network interface to a local process? help!

I'm read Linux Iptables Pocket Reference. So I do not understand the figures presented. It says that packets travel through chains, and are presented to the rules one at a time and in order. Then ...
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43 views

Problems with wireless

I'm a ubuntu beginner user. I thought to have some problems with the driver of my network interface problems but apparently there weren't any ( wireless driver ). Unfortunately I went here: Wireless ...
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Can I kick users off my dongle? [on hold]

I have an Osprey dongle from ee and use nethogs to regularly see who is using it and how much data is being used. Is there any way that I can disconnect users or block certain ip addresses?
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Ubuntu server content security

I am learning server side administration ... I can across one requirement where I want to setup a local server(preferably Ubuntu server) such that it connects to computer on same network. My ...
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'iptables -a' just hangs and never returns? [on hold]

I'd like to redirect requests in on port 80 to a service I already have running on port 8443. I swear I've used this command before on other systems and it's worked: sudo iptables -A PREROUTING -t ...
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24 views

ubuntu 14.04: cannot connect to WiFi using TLS and WPA2 Enterprise with certificate

After the latest updates to my Ubuntu 14.04 I can no longer connect to corporate WiFi using TLS and WPA2 Enterprise with certificate. I did some research, and this bug (for Ubuntu 15.04) is the ...
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21 views

how do I block other computers in LAN like 'net cut' in windows

i used 'net cut' in school to block other computers in LAN. How can I do the same in Ubuntu? I am looking for a program or terminal commands.
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TRIED EVERYTHING ON THE INTERNET: Upgraded to ubuntu 15.04. No wifi interfaces [on hold]

$ lspci -nnk | grep 0280 -A2 07:00.0 Network controller [0280]: Broadcom Corporation BCM43142 802.11b/g/n [14e4:4365] (rev 01) Subsystem: Dell Wireless 1704 802.11n + BT 4.0 [1028:0016] ...
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Wireless Internet about Ubuntu 14.04.3 LTS in MacBook Pro (mid 2012 13')

I am a newer in Ubuntu. Here is the information about my firmware. 02:00.0 Network controller [0280]: Broadcom Corporation BCM4331 802.11a/b/g/n [14e4:4331] (rev 02) Subsystem: Broadcom ...
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2answers
20 views

Wifi connections not showing in menu (ubuntu 12.04)

Not getting the option to select or even able the wireless connections in networking tab. Have also tried to restart the system couple of times and still not working. Following are the output on ...
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1answer
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Remove entries from network drop down menu 14.04

When I click the little wifi icon in the top right of my screen, I can see: 4 identical entries for "New Mobile Broadband (GSM) connection..." 2 identical entries for "iPhone Network" ashlee's ...
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14 views

Force VPN Connection

I have a Ubuntu virtual machine (using Oracle Virtual Box if that means anything), and I am trying to figure out how to setup my VPN so that I can never (never never never..) connect to the internet ...
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1answer
28 views

Do I need to reinstall Ubuntu 14.04 LTS if it becomes unstable? [on hold]

I have a Compaq R4000 thats configured with a dual boot winXP/ Ubuntu 14.04. It worked fine until I decided to give a try, to make the wireless adaptor work under Ubuntu instead of connecting the UTP ...
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How do I establish 'wireless internet connection sharing' via ethernet to Raspberry pi [duplicate]

I have searched this subject in great detail and still not able to connect my raspberry pi to the web via Ethernet. I have no problems making ssh contacts with the pi. I used this video as a start ...
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1answer
21 views

Why can't I log in to my Samba share on my home network?

Recently I've had to reinstall Ubuntu Server 15.10 64-bit after wiping my home server due to an insecure password-only SSH server sitting on it for too long. Now, I'm plagued with setting my machine ...
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How to restart all network services?

Occasionally when waking up my laptop, I need to run: sudo service network-manager restart In order for wifi to work. However sometimes I have to restart completely, so there has to be some other ...
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Ubuntu MATE 15.10 no network connection when coupled with OpenVPN

Good morning everyone, Apologies if this has been asked before - to my best understanding knowledge and research, there is nothing that answers this issue... that I can understand with my limited ...
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1answer
32 views

VPN between two ubuntu 14.04.3 servers

I have a Server at home which has an Ipv6 but no ipv4 (because my provider uses DS-Lite). I also got a vServer wich has an static ipv4. Now I would like to setup a vpn service on both servers and ...
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Venue 11 pro not Reading Wireless Card

I just installed Ubuntu onto my Venue 11 Pro (which is a hybrid computer). After installing, I tried to connect to my WiFi and the option was not there in the drop down menu or network settings. There ...