Managing and using network connectivity on a Ubuntu system

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Integration multiple internet connections ISPUnity vs Ubuntu Bonding

I have Ubuntu 13.04 with 2 ethernet cards and a WiFi card. I also have 3 ISP connections. I have to configure linux to use all 3 connections. My main concern is to increase outgoing bandwidth (FTP ...
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193 views

How do I remove the long name given to my internet connection?

The other day my computer randomly started displaying the full name of my ethernet controller as you can see here: I'm fine with it saying Ethernet Controller like it used to but having the whole ...
5
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369 views

Ubuntu 15.10: share internet connection over WiFi

Having two WiFi interfaces I'd like to use one as a hotspot, but the simple instructions found here don't work, no new wireless network is detected by any device (neither Android nor Windows PC). Any ...
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391 views

(32) Ad-Hoc mode is not supported by this device. - 13.10 on i5 NUC

Not sure if this is an Ubuntu issue or intel issue. Any insights will be appreciated. I have an intel NUC (D54250WYK) w/ intel 7260 wireless adapter and Ubuntu 13.10. I can connect to my local ...
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39 views

Network Trash showing on my desktop

I'm using Ubuntu 14.04 LTS on my company PC. After installing some software to test out I decided to uninstall them. The problem I have is that every time I start my computer my trash bin shows as ...
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90 views

Wifi in Ubuntu 15.04

Of course, we first have the issue that Dell decided that not mentioning the model number on their laptops was much more user friendly. It says "Inspiron 15, 5000 series" on some kind of sticker on ...
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4k views

UFW for OpenVPN

I want to configure ufw (uncomplicated firewall) for OpenVPN. Connections are only allowed through OpenVPN. Everything else should be blocked. So if OpenVPN is disconnected -> no internet! I found ...
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1k views

Wireless Dropping Out Using Intel 7260AC Card (Deauthenticated - Reason 7)

I have recently bought a new laptop and it has an Intel 7260AC wireless card in it. I am getting regular wireless dropouts occurring at no specific interval. AFAIK this only occurs at my house. ...
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9k views

Ubuntu 12.10 - “the system network services are not compatible with this version”

Fairly new to Ubuntu, know my way around, but novice user. Started my Laptop running Ubuntu 12.10 this morning, and no wireless or Eth. Look at Network Manager and this message: "the system network ...
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Playing Age of Empires II multiplayer in VirtualBox Over wi fi network

I installed Age of Empires II (Expansion) in VirtualBox (hosting Windows XP). It works great in single player mode. Unfortunately, I tried playing multiplayer via WI-FI which I created on my Ubuntu ...
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59 views

ubuntu 16.04 - Wireless keeps getting dropped after about 2 hours

I have recently installed ubuntu 16 over my 14 install. Now every 2 - 3 hours the connection to the Router gets dropped. And it won't reconnect automatically, it tries too but doesn't. Also, at the ...
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221 views

WiFi not working after restart in Ubuntu 16.04

I recently upgraded from Ubuntu 14.04 LTS to Ubuntu 16.04 LTS. Had a few issues with phpmyadmin and MySQL-Server that I rectified. But whenever I restart the system, I lose internet connection. ...
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343 views

No networking: Failed to bring up eth0

The networking service fails to start / doesn't start on reboot. Restarting networking (via systemctl): networking.serviceJob for networking.service failed because the control process exited with ...
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56 views

PCManFM (Lubuntu 14.04) not Seeing Other Network Computers

Something has changed recently, and I can't figure out what. I have a headless server running Ubuntu 12.04 Server with Samba and CUPS and several shared drives (frankenstein). Everything worked fine ...
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74 views

Wifi stops working every 1-2 hours

My wifi will work fine for a while, but every 2 hours or so my connections drops. The wifi icon in the taskbar states that I am connected to the network, but I can't access the internet. Rebooting ...
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100 views

BCM43142 wireless card drops connection after some time

I know this question has been discussed in this forum but there is no concrete answer it seems. I have BCM43142 wireless card in my HP desktop(Ubuntu Desktop 14.04 LTS). Wifi works fine but after some ...
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49 views

Why are NAT&Kernel IP Forwarding not working?

I'm trying to forward all traffic from tun0 to eth0,below is my interfaces: eth0 Link encap:Ethernet HWaddr 12:57:6e:6a:74:85 inet addr:172.31.32.133 Bcast:172.31.47.255 ...
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69 views

What is the best method for hosting a minecraft server on Ubuntu?

I am going to try and run a dedicated Minecraft server on a spare desktop computer of mine. Where I work, we are all into minecraft and want to have a server that we can all use. It cannot be lan as ...
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30 views

xrdb to Ubuntu machine not working from external network

I have a Ubuntu machine that I would like external users to connect to using RDP. Connecting from an internal network works perfectly fine. But users outside of my network,who use the public IP, can ...
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78 views

Why 11n WLAN disabled for iwlwifi in 15.04?

I have a laptop with Intel Centrino N-6300 wireless card. Recently I found out that I can't connect to 11n-only wireless networks. After some research, the reason is that in iwlwifi.conf the 11n ...
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517 views

Get Broadcom Wifi Card [14e4:43ae] to work

The Wifi isn't working, I'm not able to create a new (wifi) connection in the Network Settings. As mentioned in this answer I should ask a new question, if I have PCI ID that's not listed and well ...
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55 views

OpenVPN Not Forwarding Traffic on Ethernet

For some reason, my OpenVPN connection does not connect to the internet when I connect to the server over a wired connection. This seems to only be happening on Ubuntu 15.10, as I can connect out on ...
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145 views

How to completly disable LLMNR?

By default, with LLMNR=yes set in /etc/systemd/resolved.conf, here are the port bindings (using netstat -l -p -a -n): tcp 0 0 0.0.0.0:5355 0.0.0.0:* LISTEN ...
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515 views

Open source FortiGate (Forti SSL VPN) client support in Ubuntu

Does anyone work on adding support for opensource FortiGate SSL VPN NetworkManager client to Ubuntu? According to this blog ...
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136 views

Wi-Fi disconnects

i just updated ubuntu at 15.10 and since then i'm having problem with wi-fi. It is working, but it became kind of unreliable. One moment it's working perfectly but sometimes it's still loading and all ...
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141 views

How can I allow macchanger to run on ubuntu touch/apparmor?

I'm trying to run macchanger from the terminal application of an ubuntu touch device to avoid unscrupulous 3rd parties(i.e. wifi providers) from tracing my mac address. However it fails miserably with ...
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32 views

What are the directories and files that I should keep in sync for a cluster server

I am currently wanting to set up new clusters. Each cluster is defined by its software installed, software settings, and its home folder files. I want only the above to be cloned and not things ...
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168 views

For a 32-bit Ubuntu 14.04 install, How to install Broadcom wireless 32 bit drivers offline

I have found the steps for doing this with the 64 bit installation of Ubuntu, and I assume that the steps are the same for the most part with the exception of the actual files used. I need some ...
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279 views

Redirect traffic flowing into SSH server to privoxy, then to TOR

I own a Ubuntu VPS that I am using for SSH tunneling. I want the traffic to be redirected to TOR network. Some research showed that I can do it by using Privoxy, that will accept traffic from SSH ...
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279 views

14.04: Clicking a VPN connection in the network icon menu does nothing

This is identical to (Open VPN connection doesnt work after reboot Ubuntu 14.04) with the one exception that it is a PPTP connection and not OpenVPN. Usually when I click a connection in the menu the ...
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265 views

How can I block one or more websites from the command line, especially for Google Chrome?

I teach in a school and have a cart of laptops that I set up with Edubuntu 12.04. I am using LanSchool to monitor their screens, remotely control them, blank their screens, etc. The functionality is ...
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285 views

cat: /var/lib/misc/dnsmasq.leases: No such file or directory

I've searched all over the internet, but couldn't find any answers of my problem.. I want to connect my Raspberry Pi to my laptop. But whenever i try to check the ip address of my raspberry, i get ...
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393 views

Ethernet doesn't work after upgrading from 14.10 to 15.04

I just upgraded from Ubuntu 14.10 to 15.04. The ethernet is now longer recognized. If I open Network from System Settings and click on Wired, it shows Wired Disconnected - 1000 Mb/s Hardware Address ...
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528 views

RTL8812AE cannot connect to 5ghz networks

I recently purchased a PEX867WAC22 PCI-E wifi card from StarTech (RTL8812AE), and have not been able to connect to any 5 ghz network due to authentication timing out. The driver it comes with is only ...
3
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0answers
6k views

Share internet from PC to unrooted android smart phone connected via USB cable

I am running Ubuntu 14.04 LTS with Windows 7 Dual boot (both 32 bit) in my desktop. I use cable broadband (Ethernet). I have an unrooted android smart phone running KitKat 4.4.2. This device has a ...
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352 views

How to wake my PC with any packet, not just a magic packet?

Currently, I can wake my PC by sending a magic packet from another device on the LAN. However, the PC will not power on when I send the packet from outside the network (WAN), even though I have my ...
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244 views

LXC bridging with two NICs

I am setting up a server to host a number of LXC containers, for now just isolating web and db services. The server I am using has two NICs and I'd like to use one for host traffic and one for ...
3
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0answers
2k views

No internet connection after the upgrade from 12.04 to 14.04 LTS

Upgraded Ubuntu Desktop Server from 12.04 to 14.04 LTS and it can't connect to the internet after. I've also tried issuing apt-get update command but I'm get an error as below: Err ...
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599 views

Juju bootstrap node can't access Ubuntu archives via MAAS

I am trying to install MAAS and Juju on VirtualBox. The network configuration of VirtualBox is set to NAT Network. Everything is just fine. I am able to PXE boot. But when I start juju bootstrap, ...
3
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3k views

Wireless connection error for SOME networks

I have just installed Ubuntu 14.04 LTS and everything about wireless was ok until I come to work. 14.04 recognized & successfully connected to my home wireless network but it does not connect to ...
3
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0answers
393 views

Ap-hotspot fail

I've been trying to create an AP wireless network from a usb wifi transmitter. I have been using ap-hotspot to do so. It has got no further than this message on debug mode: Adding system startup for ...
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0answers
5k views

Why 'sudo service networking restart" do not work?

Normally, if I run sudo service networking restart, it will take some time before it finishes. But, on one machine, it returns immediately, and the results in ifconfig does not change even when ...
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4k views

Network-manager not running?

I am able to connect to a WiFi but as I connect my LAN cable for Internet it says that network-manager not running and the I am unable to connect to even WiFi.
3
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0answers
145 views

Autentication throught digest proxy

and sometimes I need to download files (and do other things) throught the command line, I have always declared the environment variable http_proxy, https_proxy or ftp_proxy too in that way: export ...
3
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0answers
702 views

iwlwifi on lenovo z570 disabled by hardware switch

It was working fine with windows 7. The hardware switch is not disabled. I've toggled it back and forth dozens of times. The wifi light never turns on and it always lists as hardware disabled. I have ...
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0answers
2k views

NetworkManager in disconnected state

There seems to be a problem with my network drivers. Neither eth0 nor wlan0 are recognized, and I'm running 13.04 over the 3.8.0-27-generic kernel. Here's some diagnostic information: ifconfig ...
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0answers
1k views

wifi connected to android via laptop but internet is not coming

I have started wifi in my ubuntu using this process and is equivalent to ap-hotspot and I am able to connect my rooted android device to my laptop via wifi but I am not able to get Internet connection ...
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334 views

Installing Fritz Wireless USB Adapter

How do I install a Fritz USB wireless adapter on Ubuntu so I can access the internet? I have the software required, but I am not sure what to do next. Ubuntu version 13.04. Output of lsusb: ...
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2k views

Error During Apt-Mirror Unattended Install Of Ubuntu Server 12.04 Over Network Using PXE

I'm attempting to PXE boot and completely rebuild a new server with an "Ubuntu 12.04 Server" image over the network using apt-mirror but I get multiple errors mid-way through the installation. I am ...
3
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0answers
2k views

Do I need NetworkManager on Ubuntu Server?

I've seen several posts suggesting using nmcli, nm-tool and similarly named utilities for network related tasks. In my case, I was trying to see what DNS my Ubuntu server installation is trying to ...