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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Wifi Networks getting detected but not connecting ubuntu 14.04

using ubuntu 10.04 my wifi has worked well for about 4 years. after update to 14.04 when i select a wifi , i get a little error window pops up with the following message: Connection activation ...
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7 views

Getting Broadcom BC4313 Wi-Fi to work on Ubuntu 12.04 without slowing internet for other devices

I have two laptops on my network, one of which has been running Ubuntu 12.04 for several months now without any issues. After getting a virus on the other yesterday, which originally came with ...
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1answer
33 views

Cannot access Internet after 14.04 upgrade

I upgraded from 13.10 to 14.04 a couple of days ago via internet using "sudo apt-get upgrade". After the upgrade, both my wired connection and wireless connection stopped talking to the internet when ...
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1answer
15 views

Where “.gvfs” has gone in 14.04

My question is "simple". Where can I find a local mount point for the Samba shares I'm connected to. In 12.04 it was located under *home/.gvfs*. Thanks in advance for your help. Here is my smb.conf ...
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1answer
5 views

Make application / service priority really high

I am using two Ubuntu computers, I use this Synergy application to share mouse and keyboard. However when the Synergy server computer is using peak CPU usage, the mouse pointer gets stiff. How do I ...
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6 views

Trusty, Lenovo Y500, and Wifi

After a little googling, I was able to install Ubuntu 14.04 on my Lenovo Y500. Grub would not install on /dev/sda (16GB SSD), but installed fine on the spinny disk. I'm using the SSD as the swap ...
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0answers
7 views

Internet disconnects by itself and never reconnects unless system restarted

I am using Ubuntu 13.10 and a wireless internet from a modem "Reliance Netconnect" for the internet. I've installed Ubuntu two days back along with my Windows system. So here's a detailed summary of ...
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1answer
31 views

Wireless Won't Connect in 14.04

I'm still very new to Ubuntu and I need help resolving an issue with my wireless. My connection shows up clearly as "dlink" but ubuntu simply won't connect to it. It worked fine downloading updates ...
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18 views

Dell Inspiron Intel 7260 Wifi connects and then drops on Ubuntu 14.04

I've been trying to connect my wireless card unsuccessfully. I've tried similar questions/answers with no luck. I tried with Ubuntu 13.10 with same results but loading latest iwlwifi-7260-7.ucode did ...
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15 views

Server 12.04 can be pinged and accessed by ssh but cannot reach any host

My Server 12.04 can be pinged and be accessed via ssh but cannot reach any other host (lan and wan) itself. My /etc/network/interfaces: auto lo iface lo inet loopback auto eth0 iface eth0 inet ...
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13 views

Rtl8187 wireless card drops signal within seconds

My Realtek RTL8187 USB wifi card is having trouble keeping a connection for more than a few seconds, while on the same machine under Windows 7 it has no problem. When I make the connection, I have a ...
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0answers
24 views

Wifi speed dropping for HP Pavilion 15-n097sa

I recently moved to Ubuntu 14.04 from Windows 8.1. I have quite a problem with my WiFi speed dropping. When I checked it at speedtest.net it went from 30Mbps to less than 1Mbps then goes up again to ...
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1answer
73 views

Wifi not working on 14.04 notebook

I have this Acer Aspire V5 notebook, which had problems with wifi before in 13.10 and i had to use the ethernet. sometimes it randomly started working but most of the time it wouldn't. So then i ...
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66 views

Wireless networking not working after resume in Ubuntu 14.04

[Solved]: By applying the following command nmcli nm I got the following: Before suspend RUNNING STATE WIFI-HARDWARE WIFI WWAN-HARDWARE WWAN running ...
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1answer
31 views

Need to reboot to connect to wireless after sleep

For the past few months, whenever I wake my Lenovo ThinkPad x201 from sleep, I am unable to use any secured wireless networks without rebooting the computer. Prior to upgrading to 14.04 LTS a few days ...
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16 views

Connection timed out on specific ports

We have an apache server running couchdb on port 5985 (not 5984). On my computer, I have Windows 7 and Ubuntu 14 LTS. From Ubuntu, I can connect to the host via http://example.server.domain, but I ...
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6 views

How to fix: Epson wireless networked printer aborts after printing half a page

Ubuntu 12.04.4 LTS Epson Stylus TX550W multifunction printer (copies, scans, but no fax): The first time I managed to discover the printer on my wireless LAN. However, when printing the Ubuntu Test ...
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1answer
47 views

make wifi preferable over wired connection in ubuntu 14.04?

how to make ubuntu to choose wifi connection over wired connection when both are connected to internet?I edited the Ethernet connection to route using the preference "Use this connection only for ...
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1answer
59 views

Directly connect Windows and Ubuntu computers via ethernet cable

I have the following computers on a network: Lenovo B570e [Ubuntu 14.04 LTS] Dell Inspiron N4050 [Windows 8.0 Professional] HP l1000 [Windows 8.1 Enterprise] Compaq [Mercury, don't know the exact ...
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0answers
4 views

why i have only vpn connection and proxy connection after system update?

i have upgraded my Ubuntu 11.04 to 11.10 and im about to upgrade to the latest but i can download because i have no internet, so this is what happened: I have upgraded my Ubuntu 11.04 but after i ...
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0answers
11 views

Client to OS X Server

I have used Windows XP software for the networking about 6 computers which include both an OS X Mavericks machine and an Ubuntu 12.04 machine. This has worked OK for years but offers little securtity ...
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0answers
55 views

How to use “docker.io” containers in Ubuntu 14.04 with IPv6? [on hold]

I'm trying this: At the physical host with Ubuntu 14.04 (container's gateway for both IPv6 and IPv4), I tried: root@docker-srv-1:~# ip -6 a a 2804:290:4:acbd::1/64 dev docker0 Of course, host ...
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0answers
6 views

Origin of environment variables in scripts under /etc/network/if-*.d

I'd like to pass some configuration options to the script /etc/network/if-pre-up.d/ethtool, which looks like this on my system: #!/bin/sh ETHTOOL=/sbin/ethtool test -x $ETHTOOL || exit 0 [ ...
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18 views

my internet wont work after install updates & upgraded to 11.10 from 11.04 [on hold]

guys i have wifi before i upgrade to 11.10 but after i upgrade i only see vpn connection and proxy in network->network and it doesnt recieve wifi signal its like i have desktop computer that can only ...
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24 views

I can only see one computer in the network, why is that?

I've installed Ubuntu on one machine and would like to connect to other Windows computers in the same network. On a Windows comnputer I can see several machines but on my Ubuntu computer I can only ...
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23 views

Network printer - Incorrect configuration?

I want to use a printer over my home network, but it fails. All the computers (3) with Ubuntu 13.10 installed. HP-Printer, Hplip installed. The printer works fine on machines it is directly connected ...
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17 views

Ping to Honeyd virtual host replying Destination Host Unreachable

I have installed and am running honeyd and farpd successfully on Ubuntu 13.10. But, now the problem is: Pinging the virtual host from honeyd host (and from any other local network machine) #ping ...
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0answers
30 views

problems with Realtek RTL8188ee on 14.04

I am having a wireless issue with my mothers laptop, just installed Ubuntu 14.04 because I'm tired of removing malware from her laptop and now the wireless card wont work. this is the first time I've ...
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1answer
88 views

No internet after upgrading from 13.10 to 14.04 [on hold]

I've just updated my Dell Inspiron 1764 from 13.10 to 14.04. I was expecting to lose wireless networking (I need a proprietary broadcom driver) but now I've lost all internet. A wired connection says ...
0
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1answer
23 views

Cnet Network Simulator

How to install the Cnet Network simulator in Ubuntu 13.10. Why can't I install libelf package from apt-get install? It says unable to locate package.
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0answers
48 views

Network-manager fails to enable network everytime after suspension, What can I do?

I have done the upgrade to 14.04LTS, after that, everytime I suspend my computer, when I turn it on, the network-manager fails to "enable" the network, and I always have to do: sudo restart ...
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2answers
62 views

Can't Connect to Mobile Broadband 14.04 LTS

When I plug the modem I have a mobile broadband option in network menu bar, and I add new mobile broadband connection, and everything is fine. but, when I try to connect it, suddenly the Mobile ...
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98 views

WiFi is not Available on ubuntu 14.04

I have been using Windows XP since past 9 years and I just installed Ubuntu 14.04 today for my project purpose. But I am facing a problem..I am not able to connect to my WiFi connection not is there ...
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0answers
16 views

Macvlan interfaces beyond first interface fail to connect.

I've been working on a project to build a set of macvlans on ubuntu. The process I'm using comes from here. In short, I run this set of commands to build and initialize an interface: ip link add link ...
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1answer
101 views

I need a netspeed indicator for Ubuntu 14.04

I have a 3G mobile broadband connection that keeps changing network speed according to location and time and so I relied heavily on this applet ...
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0answers
14 views

Alfa AWUS036H reported as hard-blocked [on hold]

I'm having trouble getting WiFi up on my Tahr live session, and wish to get it working reliably before I install on this machine. My WiFi card, an ALFA AWUS036H, is reported as hard-blocked by network ...
2
votes
1answer
64 views

Ethernet and Wireless on Dell Latitude D520 stopped working after upgrade to 14.10

I have a Dell Latitude D520 that was wroking flawlessly until Ubuntu 14.10. During the installation the ethernet cable and wireless card worked but after the initial reboot the only way to connect to ...
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0answers
7 views

Cannot ping/ssh to CirrOS/Ubuntu instance - OpenStack

I have OpenStack Havana installed I am able to launch Ubuntu/CirrOS instance but I am not able to ping or ssh to instance and vice-versa. I had set this in local.conf HOST_IP=192.168.171.131 ...
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78 views

Problems connecting to netowrk/wireless after upgrade [duplicate]

I just upgraded to 14.04, completed the process and restarted my laptop. Now I can not connect to my wireless network, and therefore can not connect to my internet wirelessly. Ubuntu keeps trying, ...
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1answer
16 views

Host ID on Ubuntu 12.04.3 LTS 32-bit

I would like to learn the host ID of my system, how can I do so? In accordance with the following page http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.faqs/ka3651.html, I checked it by ...
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0answers
11 views

Bonding interfaces not working

Everytime I put in the following code (below). The problem is that network devices become unmanaged. I set the managed to true. That didn't work. when I do the ifconfig it is missing the "bond0" ip ...
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1answer
24 views

How do I share files between Natty Ubuntu and Windows XP via ethernet? [on hold]

Okay so this is how my network is set up I have it set so Windows gets its internet from my Ubuntu's wireless connection. How do I create a shared network folder between them? I tried a few different ...
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0answers
21 views

How to make my wi-fi usb adapter sitecom wla 2100 n300 v1-001 to work

I have installed ubuntu 12.04 lts on a laptop (32bit) and on a desktop (64bit) and on both my sitecom wifi usb adapter is not recognized by ubuntu. I dont have any experience with ubuntu or linux. On ...
2
votes
1answer
20 views

How to direct DHCP requests based on IP

I have a home server that I want to make multicast a music stream to my network. I have the server connected to my main network router via WiFi, and I have a switch connected to the server by wire ...
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0answers
131 views

Can not install OpenVPN Access Server on Ubuntu 14.04

I have downloaded and intalled package from here (https://openvpn.net/index.php/access-server/download-openvpn-as-sw/113.html?osfamily=Ubuntu). The service was started (sudo service openvpnas start), ...
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0answers
18 views

Local Network between 3 computers

How can I create local network between 3 computers? All of them are using Ubuntu. I need to create network between them through a router. So, what programs or commands in terminal should I use?
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0answers
84 views

Hardware switch not functionning [on hold]

I just installed Ubuntu 14.04, all is nearly functionnal and I really love that OS. Though, the following issue bothers me: The hardware switch for wireless network is not working on this version. It ...
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0answers
51 views

Wireless not working on Asus F552CL-SX049H

I tried Ubuntu 14.04 live on my Asus F552CL-SX049H, and the wireless is not working. Running lspci gives the following result: [...] 03:00.0 Network controller: MEDIATEK Corp. MT7630e 802.11bgn ...
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0answers
8 views

start ntpd -qg after network connection

I am trying to synchronise two machines that connected over ad-hoc network. None of the computers are connected to the internet. One computer doesn't have a Real Time Clock, so everytime I reset it, ...
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0answers
24 views

Eth0 not working in ubuntu 13.10 minimal anymore

I installed ubuntu 13.10 minimal without any problems on my htpc and it worked very well a few weeks. What confused me in the beginning, was the name of the network device named p19p1. Never heard of ...