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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23 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
58 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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1answer
50 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
78 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
37 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
44 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
72 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 ...
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2answers
82 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
32 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
69 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
46 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
83 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
73 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
31 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
61 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
35 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
35 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
16 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
78 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 ...
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0answers
11 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 ...
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2answers
50 views

Connecting to internet over wifi or tether, DHCP does not set DNS [duplicate]

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
21 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
115 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
44 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
59 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
31 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 ...
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0answers
30 views

How to make my ubuntu be a gateway / forward my WiFi connection over a LAN connection to a different machine

Sooo, the question is: Can someone please give me a neat step by step checklist i need to do to be able to 1) connect to a wireless connection 2) share (bridge?) that connection via LAN 3) have ...
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1answer
54 views

how to add lxc containers to host's DNS so that getaddrinfo() can resolve them?

I'm running LXC containers on Ubuntu 12.04 with a 3.8 kernel. The containers are on a host-only network, so their addresses are managed by dnsmasq. Is there a way to configure the host so that ...
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0answers
13 views

Guest connection keeps breaking for internet

I mention the Guest connection because I have no problem when connecting at home on my domestic network. This is a wireless institutional account which I was given a password to connect to. It's ...
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0answers
27 views

lshw and modinfo show diff versions of driver

I'm using Ubuntu 12.04 on a server that has an Intel 10GE NIC. I wanted to upgrade the driver for the NIC which is called ixgbe. I downloaded the latest version, performed make and make install on ...
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0answers
18 views

Unable to ping Ubuntu Machine after VMWare workstation installation

I need some advise , I am new in Ubuntu or Linux . I have a Dell R201 machine with Ubuntu 14.04 server that I was able to connect to it via rdp with no problem. After installing VMware workstation , ...
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1answer
28 views

eth1 slow to come up

Hi when i disconnect the cable from eth1 and reconnect it takes around 30 seconds for the interface to come up and be pingable. We have checked the cisco port and we have portfast enabled. We did ...
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0answers
19 views

mythbuntu 14.04 LTS

Mythbuntu 14.04 LTS; how do I get to a terminal screen or a normal Linux menu? Need to set static IP address. Question was not asked during install. All I see is large character pages with media ...
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2answers
46 views

I got Apache working on localhost (“it works!”), but now how do I get it to work on the internet?

I can see my "website" locally but how do I get it to show up online? Does it need a domain name per se or can't I just get DNS somehow to pick up my IP address and put it online or something, I don't ...
1
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1answer
40 views

Guest VMs unable to ping each other within a custom host-only network in vmware workstation [on hold]

I have created a custom host only network VMNet2(without dhcp) in VMware workstation and connected my three VMs with this network. But the problem is I cannot ping any VM from any other VM, However I ...
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0answers
23 views

Network booting mounting problem

I'm trying to set up a server for diskless clients. My previous (solved) issue is here. But I have a new one. It isn't able to load ubuntu because of error: mount: mounting /nfsroot on /root ...
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1answer
23 views

Network booting could't find kernel image

I have a problem with PXE booting. I followed this instruction on official website. But I get an error on client machine: Could not find kernel image: vmlinuz-3.13.0-24-generic And now, question. ...
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1answer
135 views

Proxy authentication with terminal Ubuntu 14.04

I would like to access the internet to update files etc. from the terminal on a secured proxy network. I've already tried the following: Adding to /etc/apt/apt.conf, /etc/apt/apt.conf.d/01proxy, ...
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0answers
68 views

3G EVDO USB modem speed limited on Ubuntu 14.04

I installed Ubuntu 14.04 on a HP dv6 laptop. I connect to the Internet via a 3G EVDO USB modem (CDMA) of Capitel make from BSNL Kolkata, device id 1c9e:9e00. Making this modem get detected by Ubuntu ...
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1answer
57 views

TP-LINK TL-WN751ND not detecting networks (most of the time)

I have the TP-LINK TL-WN751ND. I only bought it and fitted it in the last week. However, it has been causing a lot of issues. Before I bought this PCI card, I researched online to see if it was ...
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0answers
26 views

Huawei E1752 modem connects to GSM network but no Internet access

My huawei E1752 dongle is recognised by Ubuntu 13.10, I can set up a mobile broadband connection and the OS tells me I have a network connection to the GSM network. The blue light on the device that ...
2
votes
1answer
42 views

How to change Ubuntu DHCP server address on the client?

How do I tell Ubuntu to use a specific DHCP server IP? I'm building a virtual test network in VirtualBox where I have a Ubuntu server installed. However, VirtualBox doesn't have an option to tell ...
0
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1answer
31 views

Network being disabled after shutting computer

I have Ubuntu 14.04 and I'm running on a Dell Studio with a disable wireless switch. "Why do we even have that switch?" I wonder, but that's besides the point. Anyways, sometimes I just close my ...
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0answers
11 views

Ubuntu compatible USB network card

I am looking for a usb network card (gigabit) and would like to know which chipsets are more supported on Ubuntu so that I can buy the appropriate network adapter. I know that the Atheros chipset has ...
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0answers
17 views

Weird problem: can not connect network until a terminal is opened in Live system

Live system based on ubuntu server 12.04.2 with manual installed X and openbox. startx is in a shell script which is called in /etc/rc.local with su -l root -c /scriptsFolder/script.sh A program is ...
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0answers
59 views

Can't connect to VPN on Ubuntu 14.04

I am new to Ubuntu. I have configured VPN set-up on Ubuntu 14.04 but could not connect. System log shows following errors: Jun 28 13:35:50 rana-laptop kernel: [ 9723.920954] sd 6:0:0:0: [sdb] Test WP ...
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2answers
62 views

How to bring up a network interface only if it is physically present in Ubuntu 14.04?

This is a follow-up on my old question: What would be the best way to make kernel bring a network interface up only if it is physically plugged in? So, if it doesn't exist, just move on with ...
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3answers
33 views

My website is accessible on my home network but nobody else can access it on the internet

this is my first server I've set up so bare with me if I lack any important details. I have set up my ubuntu server and have my site working on my home network, I am able to see my website on all ...