This tag covers anything related to home networking, errors using the official repositories, clouds and system administration. This tag also covers simple internet access issues.

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No Network device detected Ubuntu 14.04

It works okay from my first install of 14.04, but after several updates made due to some applications that requires update, it suddenly disappear. Even the modem manager were it used to detect my usb ...
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23 views

Ubuntu 12.04 wireless constantly prompts for password with Intel 7260 and backports 3.11

When I first got my laptop I had the same problem as described in No wireless for Intel Corporation 7260 version 63. I followed the instructions and everything worked perfectly for several months. A ...
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0answers
12 views

Sharing wlan1 connection on Ubuntu 14.04 with eth0 connection

My Ubuntu 14.04 machine has a static IP address of 192.168.0.22. My Slackware machine is 192.168.0.1. When Ubuntu was 12.04, and I would plug in the wireless Lan adapter, I could use the single ...
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0answers
23 views

pptpd VPN: No internet access after connecting

I've followed the instructions in this tutorial to set up a vpn server, so that I can connect to that and surf the internet virtually from another location. So far from windows, I can connect to it ...
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0answers
31 views

Hp Envy 14 - Wireless not working (ubuntu 14.04)

Have not been able to use wireless on Ubuntu 14.04, my laptop is Hp envy 14. I have tried everything possible in the last 2 days. There are lots of issues with my laptop or should i say wireless ...
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1answer
17 views

Why can't I change permissions for share

So, I have a external Hard drive that I am trying to share on my network. It is plugged into the usb on my TVpc, and I want to be able to access and change folders and files from my laptop. When I go ...
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0answers
10 views

ubuntu vm on open nebula doesn't se internet connection

I have some problem with ubuntu and open nebula. I'm trying to setup one installation of ubuntu on open nebula. Start from this assumption: my machine as an i7 with 16 GB of ram and runs ubuntu ...
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1answer
46 views

Wired connection problem Ubuntu 14.04 LTS

I recently added a partition to my computer with Ubuntu 14.04 LTS 64-bit. It is Turbo-X dual-boot with Windows 7. The Ethernet works good in Windows but in Ubuntu does not work. The wired ...
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0answers
36 views

ipv6 network unreachable

Some strange problem here, I have got an ipv6 address by DHCP, however, ping ipv6.google.com gets network unreachable. Other people in the same house using windows7 has ipv6 working fine. So, there ...
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0answers
12 views

How to check gigabit connection between 2 (X) ubuntu computers? [duplicate]

I have an ethernet 10/100 switch. this connection is working properly (to my cablemodem router, so all computers are connected to internet). I have just bought a Gigabit switch that I am about to ...
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1answer
28 views

Low-res Display and No Networking in Installation and LiveUSB after Thermal Hard Shutdown

My ASUS laptop running 14.04 shut down hard and spontaneously while I was using it one day. Since it was very hot (forgot the heatsink that day), and since Windows used to shut down due to ...
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2answers
66 views

how to create a VPN Server

I need to be able to connect my windows users to my Ubuntu Server through a VPN via Internet so that they can brows the Shared Folder once connected to the Server. I basically have 2 NIC's already ...
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0answers
10 views

Ubuntu 12.04 Laptop Connects to One WPA2-Personal Network but Not Another

My nephew's Windows 7-Ubuntu 12.04 1aptop connects to the WPA2-Perosnal wireless network in his own house under Windows 7 but not Ubuntu 12.04. However, when it is brought to my house, it connects to ...
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1answer
28 views

Wireless wi-fi not connecting sometimes, especially first time

I have weird problem with wireless connection. I am using BSNL broadband connection..I had set up all things with my earlier Windows operating system..after someday I got new Dell Ubuntu laptop..it ...
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0answers
22 views

SSH issue - No Route to Host

I have a server I use on my network for downloads from untrusted sources. It's on a DMZ with no allowed outbound connections to my internal LAN. It also hosts a web front end by which I initiate and ...
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0answers
19 views

Linux media smart tv integration

From my Windows laptop I am able to right click on a video file and choose 'Play To -> Sony Bravia'. This then connects to the tv and instructs it to play the media file. I assume, this essentially ...
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0answers
26 views

Link aggregation on a LXC bridge

I'm working on a server with a number of various interfaces (eth0-3) and I currently just use one for both host traffic and another for my LXC bridges traffic. Since I have a few spare ports just ...
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2answers
60 views

Cannot SSH from outside LAN despite port forwarding seems fine

Running Ubuntu 12.04, I've set up the OpenSSH server. I can connect from within LAN, but not from outside. I am using the same sshd_config file as on my other Ubuntu 12.04 machines (that sit in a ...
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1answer
45 views

How to configure an OpenVPN connection in XBMCbuntu 14.04 - NetworkManager is not available with standalone install

I have a question about configuring network settings in XBMCbuntu Summary: - Need to set up OpenVPN connection on XBMCbuntu 14.04 - Can't run NetworkManager from XBMCbuntu 14.04 standalone ...
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0answers
18 views

12.04 lts wifi not working

I had been messing around trying to make it so it doesn't ask for Audi perms every npm command and that messed up all Audi commands eventuly I fixed it but now WiFi audio and the battery indicater ...
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0answers
24 views

Booting into current kernel disables networking, virtual keyboard

I have a PowerEdge 300 running Ubuntu 14.04 LTS. A couple of dist-upgrades ago, my SSH connection died partway through and I can no longer boot cleanly. If I boot in to the current kernel (3.13), I ...
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0answers
24 views

How can I get a 3G connection with my dual-mode ExpressCard modem?

I recently got a new ExpressCard mobile broadband modem for my laptop. It's a Franklin x720, which works in either 3G or 4G LTE through Verizon's network. I've been able to connect without problems ...
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1answer
22 views

Wireless connection breaks down

I'm having trouble staying connected to the internet at work. It's strange because that hasn't happened with my home network, but there's something about the office's -probably more complicated- that ...
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1answer
41 views

Connecting to private IP's in Ubuntu 14.04 with Microsoft VPN

I have an installation of Ubuntu 14.04 configured with a VPN connection. I followed this article which seemed to pertain to Ubuntu 12.10 but the instructions seemed to apply for the new version as ...
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0answers
24 views

Sierra Wireless 313u 3G broadband modem will not work since upgrade to 14.04

I recently upgraded my Toshiba Portege laptop to 14.04. Since doing so, I cannot get my Sierra Wireless Air Card 313u to connect. Since this unit worked fine in the previous LTS version, I believe the ...
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2answers
60 views

Creating a wifi hotspot from a wired connection on Macbook for iPhones

I am trying to configure my own hotspot. I've tried following the instructions in this answer: http://askubuntu.com/a/180734/297819 with no use. I don't have 'AP' appear in "Supported Interface ...
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0answers
29 views

Lubuntu wi-fi driver installation with no wired connection

I'm going to install Lubuntu on my parent's old PC (AMD 2200+ 1.8GHz, 1GB RAM, GeForce FX 5200) because new Linux Mint doesn't work with this GPU :( I tried the LiveCD and it does not look as good as ...
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0answers
31 views

Getting wireless to work correctly on Lubuntu: Belkin N150 and/or Linksys wusb11

First, let me say I'm a semi-n00b on Linux. So bear with me. Second, I've scoured the internet, and there's a dozen solutions, none of which seem to work exactly right in my situation. PLEASE don't ...
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2answers
59 views

How to completely reset ubuntu networking settings?

I would like to reset my network settings and services entirely as if starting from scratch. I had recently installed Ubuntu a few days ago, and deleted a important boot file. After installing Ubuntu ...
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2answers
28 views

Getting a Public IP that is different for my Ubuntu Server then my Homenetwork

Okay so here's the thing, I live in Sweden and got fiber with a internet speed of 100/100 mb/s. They way my network is setup right now is that I got a modem which is hooked up to my router which goes ...
0
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2answers
58 views

RTL8723AE not connecting to Netgear WGT624 on Ubuntu 14.04

I recently installed Ubuntu 14.04 64 bit on my computer and have been unable to connect to my wireless network on Netgear WGT624 with WPA2-PSK [AES] encryption. I have been able to connect to a ...
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2answers
29 views

Can I share a private IP address on Wi-Fi and Ethernet?

I have a laptop which is usually on Ethernet and has a static IP. Sometimes I need to take it away from my desk and use the wifi. How can I make the Ethernet and Wi-Fi use the same private IP address? ...
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2answers
51 views

Printer Brother MFC-7360N can't print on LAN

I'm trying to set my network printer 'Brother MFC-7360N' on my LAN. All laptops are using Ubuntu 14.04, and I've installed the cups and lpd drivers from Brother, but I can't print on LAN. The printer ...
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0answers
38 views

Problem with wifi : Connection lost on closing laptop's lid

I am having a weird problem with my laptop wifi, it does not have any problems when I'm working on it also if I leave the laptop lid open it does not have any problems or when the screen turns off ...
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3answers
75 views

Firefox says Server not found on Ubuntu but not in Windows

I'm newbie to Ubuntu and I'm using Ubuntu 14.04 (dual booted with Windows 7). Last few days it was working fine but from today my problem as follow as, FIREFOX NOT WORKING IN UBUNTU Note: I had ...
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0answers
53 views

Trying to access Windows 8 computer asks for password 14.04 LTS

I have installed Samba share on Ubuntu 14.04 LTS - I can see my Windows machine via 'Browse Network' but when I double click the icon it asks me to verify my username, workgroup and password. The ...
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1answer
29 views

Need help with network configuration

Without much knowledge I decided to install Ubuntu 14.04 but I'm having trouble setting up the network. After configuring the ipv4 settings and mac address and clicking save nothing happened and when ...
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2answers
56 views

Share connection to router from second ethernet

I read all the previous posts but I didn't find anything that fit my needs. I have a PC with Xubuntu and 2 Ethernet cards. With a port (eth1) I have the Internet connection (static IP address) I want ...
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1answer
34 views

ubuntu server network setup

my first question was closed, called a rant. yes maybe it was not clear enough and I didn't check back in time. problem I have too often is setup sets up network during install but on first boot ...
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0answers
34 views

Increase the Number of TCP Connections Allowed

For a Ubuntu 14.04 web server providing a web service via a TCP port, clients query the server at an interval. However when the server restarts, a huge number of connections hit the server at the same ...
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0answers
15 views

Changing txpower does not stay

I am trying i change txpower with the command sudo iwconfig wlan0 txpower 30 but after I enter that and type in iwconfig again, it shows the txpower is still 15. Any ideas?
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1answer
70 views

No wifi, network discovery, or recognised wireless interface after hybernation on 14.04

Recently upgraded to 14.04. Worked great until computer went to sleep. On wake, all signs of anything wireless had disappeared as mentioned in title. I've combed the forums, googled and tried so ...
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1answer
32 views

how do i reset or uninstall wifi adapter

My ISP WiFi is not connecting anymore. Time Warner asked if i could have Ubuntu talk me through uninstall & reinstall.... finding a usa 800 phone number was the first problem. Now i am spending ...
0
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0answers
10 views

Ubuntu appends VLAN tag to GRE and VNtag traffic (from tcpreplay)

I have been running a set of scripts that play various PCAPs via tcpreplay. I have been running on a Ubuntu 12.04, default LTS, with tcpreplay built from source. What i've noticed is whenever I play ...
1
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1answer
34 views

Strange internet connection problem

sorry for bad english. I'm using Ubuntu 14.04 64 bit and I have a strange internet connection problem. When I'm at work I can access internet via DHCP wireless and wired without problems. When I'm at ...
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1answer
20 views

How can i setup a network Lexmark MS812dn?

I have installed the drivers but i don't know how to setup the printer itself to actually print something. Do i have to plug an ethernet cable to the laptop or to a network connection? Which address ...
0
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1answer
86 views

“Connection is Untrusted ” error in Firefox

I have downloaded Ubuntu 14.04 and I have tried it (without installing it). I connected to the internet via DSL and I tried to surf. When I tried to go to an https:// site, it showed me the error ...
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1answer
38 views

ping the FQDN failed but 'short name' works [duplicate]

I'm on an enterprise LAN (Windows domain and Windows DNS server) and I want to access to another computers on LAN (mostly in https) On my ubuntu (14.04, fresh install) when I do : ping ...
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3answers
42 views

SSH onto new Ubuntu 14.04 server

This is my first server I have set up and I used ubuntu 14.04 to run it. I opted not to use the server install because the regular ubuntu was easier to setup. Now I wanted to make the server ...
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0answers
27 views

ssh, problem with headless device

I have Ubuntu 14.04 installed on a headless device. Since the last update and shutdown it is not possible to connect via ssh anymore. nmap shows the machine is up and in the network, all ports are ...