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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Set up OpenVPN (Mullvad)?

I'm trying to set up an OpenVPN virtual adapter for my Mullvad VPN service (which is excellent, by the way). Anyway I'm in the Network Connections utility/panel/applet/whatever-it-is and I am trying ...
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4 views

Can't access Flask from local network

I've already read this thread, but it is not what I'm looking for. I'm running Flask on Ubuntu 13.10 with this configuration, but I can't access it from the local network using the correct ip and port ...
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9 views

Cannot connect to wifi at home after upgrade to ubuntu 14.04

This really make me struggle , I have upgrade my dell xps13 9333 from ubuntu 13.10 to 14.04, now I could never connect to the wifi at home. The wifi card can see the wireless network, but cannot ...
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32 views

Problem with connecting mobile broadband in Ubuntu 14.04

When I plugged mobile broadband top right bar new mobile broadband option appears then immediately disappears then again appears then immediately disappears and so on... If I click on new mobile ...
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1answer
9 views

Configuring two half-separate lans using DHCP

I have to set up DHCP that has to assign IPs over 2 networks (192.168.0.0/24 and 192.168.1.0/24). That is easy and I've got it working. The question is, is it possible to make PCs from one network ...
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12 views

Ethernet Adapter AR8161 not connecting 13.04 [on hold]

I've scoured the internet looking for a solution for my problem but have be unsuccessful. I have looked at and tried just about every possible solution on the internet. A majority of my find have been ...
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12 views

Guidance concerning Comprehensive SSH Secure Server setup [on hold]

Alright, I am essentially seeking to obtain a few good leads concerning which sources to capitalize on concerning setting up a Secure SSH Ubuntu server. This would be my first serious build (without a ...
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6 views

Error connecting to Windows Terminal Server VIA network boot

I am currently trying to load a windows terminal server screen instead of a Ubuntu screen , I keep receiving a blank black screen with only the cursor visible or an error screen with a lengthy busybox ...
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8 views

In netstat, I'm getting close_wait for ipp. Is that supposed to happen?

Netstat is giving me Proto Recv-Q Send-Q Local Address Foreign Address State tcp6 1 0 ip6-localhost:40526 ip6-localhost:ipp CLOSE_WAIT I don't have a ...
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3 views

RSAT not Connecting When Trying to Administer Samba Domain on Ubuntu

I have created a domain server on Ubuntu using Samba. I have managed to connect to this domain using my windows 7 pro laptop. The guide I used to configure the samba domain on Ubuntu ...
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9 views

losing traffic through linux server

I am running Ubuntu 12.04.4 server and trying to use it as internet server. unfortunately i keep losing wesites to view through my server , but when i connect directly to my ADSL modem , there is no ...
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12 views

Install ubuntu over network

I want to install Ubuntu 14 on an old PC i have. It doesn't seem to boot from a cd or usb. i want to not have to setup a lot of software to get this to work. the pc is connected to my local network. ...
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1answer
21 views

how to connect two computers using wifi network and without using Router?

I have an embedded board which has an Ethernet port. this port is connected to a FPGA (an electronic device !) which sends data to this port at 1 Gbit/Sec. I want to monitor this board to see if it ...
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1answer
39 views

Eth0 not working on Fresh install of 12.04

i've just reinstalled my ubuntu 12.04 server with a clean install and i cannot get the networking to work, so i am unable to update the machine. can anbody give me some advice on what solution i can ...
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1answer
46 views

Can't Connect With Mobile Broadband on Ubuntu 14.04

I am using Idea Net Setter with BSNL 3G Sim for connecting as mobile-broadband. I installed Idea Net Setter by their Linux installation file install_linux as shown below: Begin verify CD... Verify ...
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1answer
10 views

Nautilus multihop ssh

I would like to use the nautilus (or any other usable GUI file manager) to work on Virtual machine. This VM is running on a remote server, and I can't reach it via ssh from my computer, I have to ...
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11 views

Lag spikes when playing games since upgrade to 14.04 from 12.04

I sometimes play games (Awesomenauts, CS:GO,...) on my Ubuntu 14.04 laptop. After upgrading from 12.04 to 14.04 last week the gameplay of all of my internet games suffers from lags every view minutes. ...
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19 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
83 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
25 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
6 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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10 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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13 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
48 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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42 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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17 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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18 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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30 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
86 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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116 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
42 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
64 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
85 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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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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12 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
76 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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1answer
23 views

unable to connect to ethernet in ubuntu 14.04

I have HP Pavilion g6-2201ax laptop. I was working with live usb. But ubuntu detects ethernet connection but before establishing connection it gets disconnected. I have realtek RTL8168 PCIe ...
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9 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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19 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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26 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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25 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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18 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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50 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
106 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 ...
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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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53 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
83 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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129 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 ...