Managing and using network connectivity on a Ubuntu system

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Install reliance Driver software in ubuntu 14.04

I'm Using Huawei ec 150 dongle. I need to install driver software It is quiet a big task for begineers in linux. So i took this matter over here. EDIT Output of lsusb Bus 001 Device 001: ID ...
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1answer
9 views

WiFi interface doesn't come up

All of sudden, my builtin Wifi interface on the laptop (HP Pavilion dv7, running Ubuntu 12.04, kernel 3.2.0-64-generic) won't come up. # ifconfig wlan0 wlan0 Link encap:Ethernet HWaddr ...
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1answer
5k views

Netgear N300 WNA3100 Install Ubuntu 13.04

I've never used Ubuntu before so I am completely lost with what to do. I bought a Netgear N300 (WNA3100) wireless adapter card a few months ago after my old card stopped working. I decided to ...
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1answer
9 views

Configure LXC with additional IP ubuntu 14.04

I'm still looking for answer on my question. I have a dedicated server with ubuntu server 14.04, and 2 public ip. I want to add 1 public ip per 1 lxc. I think i've tried everything and nothing helped ...
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1answer
7 views

openstack: vms exchanging multicast on eth1 fail when one suffers IGMP timeout

This may be related to my other question I have two identical trusty VMs configured with dhcp for eth1. I installed mgen and configured the mgen scripts to have the two exchange 1 multicast message ...
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2answers
23 views

openstack: conifgure vm with static ip on eth1

I'm trying to create two trusty VMs with static IPs for eth1, but pings between the static addresses fail. Via havana dashboard, I created a network with a 10.16.1/24 subnet, disabled gateway, ...
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0answers
12 views

Can't access second NIC

I have 2 NICs with the primary em1 the other is p3p1. It appears from ifconfig dmesg that both are up and working but I can't access p3p1 from my Java test application. No joy with ping either. ...
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0answers
10 views

How to tunnel all traffic through openconnect

I need to connect through cisco VPN: anyconnect. I found few articles (example) describing how to do that using openconnect and network-manager-openconnect. I installed both, configured the VPN ...
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1answer
12 views

How to connect my Wireless Epson WF-2540 to my laptop that is running Ubuntu 14.04 LTS OS

I downloaded Ubuntu 14.04 LTS OS on my laptop a couple of months ago. I just bought a Wireless Epson WF-2540 all in one (printer, scanner, fax, and copier) a week ago. I have the printer hooked up to ...
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0answers
9 views

WPA2 Enterprise not an option for WiFi security settings in Network Manager

I'm trying to connect to a WiFi network at my university, and WPA2 enterprise is not an option in my WiFi settings. Any ideas of what package to install for this option? I'm using Ubuntu 14.04, I ...
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2answers
2k views

Wireless not connecting automatically

My wireless is working fine, but when I login, it does not connect automatically, I have to select it from the list each and every time to use it. Even though the connect automatically option is ...
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0answers
8 views

How to manage network in packet and out packet?

Looking for solution for Ubuntu system, I had a Computer with 2 different internet connection and 2 IP address. One is static Ip address where second is dyanamic Ip address. Want to receive request ...
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1answer
16 views

Can I restore a backup on a different computer than it was made?

I am using the default backup software for Ubuntu 14.04(deja dup). It backs up weekly to a network location. I'm about to put a new hard drive in my laptop, and I would rather just install ubuntu and ...
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0answers
16 views

Multiple public IP addresses can be pinged on the VPS but not from outside

This is my /etc/network/interfaces: auto eth0 allow-hotplug eth0 iface eth0 inet static address xx.xxx.252.26 netmask 255.255.252.0 gateway 83.136.252.1 up ip addr add ...
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1answer
88 views

Wireless Drivers for Broadcom BCM 4321 (14e4:4329) will not stay connected to a wireless network

So, I'm not necessary new to Linux, I just never took the time to learn it, so please, bare with me. I just swapped out one of my wireless cards from one computer to another. This wireless card in ...
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1answer
25 views

14.04 Desktop: Static IP is acquired, ping works, DNS does not

My question is very similar to this one: Can ping but no DNS I have setup a static IP on my previous Ubuntu versions - 9.04 and 12.04 - without issue. I have used an identical means this time as ...
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1answer
16 views

How to route inbound traffic on one interface to another interface in the same machine?

I have searched the forums, but can't find a solution that addresses my use-case exactly. I need to do this on a remote machine and so don't have a lot of latitude to get this wrong (and possibly lock ...
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0answers
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wired network drops after few minutes / seconds

Recently I installed ubuntu 14.04 on my new laptop, lenovo L440. will doing the installation I used wifi. With a wifi everything works perfectly, the problem is when i plugged a lan cable. The OS ...
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2answers
6k views

Can I use Wifi and cable (Ethernet) networking at same time?

I am on an intranet that is not connected to the internet and a wifi router with connection to the Internet. When am connected to the router, I can browse the Internet but cannot browse my LAN with my ...
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0answers
15 views

Unable to use Internet (hosts unknown) after upgrade from 12.04 to 14.04

I upgraded my PC two days ago from 12.04 (desktop) to 14.04 (desktop). Since then, I am unable to surf on the internet. More exactly, I have the connection (wired) but not host resolving. I have ...
2
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1answer
74 views

Wake On Lan not working

I have been trying to get Wake On Lan to work on my Ubuntu server (14.04.1 LTS), which I have configured as a home NAS box. I have followed several tutorials to try to get this working, but for some ...
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0answers
13 views

Wired && Wireless not working, Fresh Install

I have just installed Ubuntu 14.04 onto my desktop. It has been unable to establish a connection to the network, it wont even connect. If I give it a manual IP address, then it says that it has ...
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1answer
74 views

How long is an ARP entry cached for?

Where can I find out how long ARP table entries are cached? I'm running 13.10. Can I get this on the command line?
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3answers
5k views

Windows hostnames are not resolved

I know that similar questions has already been asked. However, as suggested in the answers to that question I have the winbind package installed and have wins in /etc/nsswitch.conf: hosts: ...
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13 views

Wifi and ethernet networking stopped working in ubuntu 14.04

I have a System76 Kudu Professional version kudp1, it came with ubuntu 13.10 but I upgraded it to 14.04. After the last upgrade I did it stopped detecting ethernet and wifi networks. nm-tool output: ...
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0answers
15 views

Connect to wireless internet through terminal without external programs to set up a server [on hold]

Ok. Here's the deal. I have a computer that does display desktop, only terminal. So through terminal, I need to connect to the internet (Long story). I would like a single command if possible like: ...
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1answer
2k views

What does “r8169: can't disable ASPM; OS doesn't have ASPM control” really mean?

I have this message in syslog and dmesg output: r8169 0000:03:00.0: can't disable ASPM; OS doesn't have ASPM control Is it a configuration problem or hardware issue?
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1answer
13 views

Changing Order of Interfaces

Hoping someone can help me, what I'm wanting to do is change the order of my interfaces on Ubuntu 12.04LTS. We're running our Ubuntu server on a VMWare box with three virtual interfaces. I've read ...
0
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1answer
21 views

Ubuntu 14.04 Disable automatic network connection until after login

So I recently connected to my university's network for the first time using Ubuntu. After configuring it to correctly work with PEAP, it will now prompt me to login using my credentials on the login ...
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0answers
11 views

can't connect to the internet wlan and lan not working

I have installed a fresh copy of Ubuntu on Toshiba C655D-s5300 and couldn't get connected to internet. I have tried to follow the same direction with the previously asked questions of installing a ...
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1answer
38 views

Using Ubuntu 14.04 as router with iptables, clients can't go online. Probably DNS issue, iptables setting needed

I've read through a large number of posts about iptables issues when using Linux as a router, but none could help me with the following: I am setting up a number of student workstations in our ...
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0answers
12 views

No Network device available on Ubuntu 14.04

All of a sudden after an update the Wireless icon shows no device detected, I was using WiFi at the time. So far have not been able to connect to any network. My network device info is: Product: ...
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0answers
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Ubuntu 14.04 KVM guest issue with static IP address

I Have installed a KVM server and host in Ubuntu both with release 14.04. I did configured the server according to the wiki and it is working as expected. The issue I am having is that after ...
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3answers
22k views

Using scp to copy files from remote to home machine

This is probably a simple error, but I can't work it out. My computer hostname is Felix (hostname -f returns Felix) I am trying to move a file from my university account to my home computer using scp. ...
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2answers
60 views

What do LISTEN and ports mean in netstat? [on hold]

I have been monitoring my system lately and I have found some strange things are running on my system. Can anyone please explain what they are and why same program use several processes? Output of ...
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0answers
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my Dell wireless does not detect wifi in ubuntu 14.04

I am using Ubuntu 14.04 LTS and my laptop model is Dell inspiron 15(3521).it wifi works perfectly fine on windows and ubuntu easily detects and connects to ethernet.But it does not even show the ...
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1answer
76 views

No internet via wifi/ethernet after 14.04 upgrade

I have just updated to Ubuntu 14.04 LTS on my laptop, and I seem to be having some internet problems. I have no internet connection through wifi or Ethernet, after both working in the previous ...
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0answers
13 views

How to enable or start network (wireless) services in ubuntu 12.04

I know there are loads fo questions similar to my question, but unfortunately none of there answer helped me anyway. I am a 100% newbie to ubuntu(linux) and am from windows enviroment. I liked ubuntu ...
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1answer
34 views

Wifi not working in ubuntu 14.04 all of a sudden

My wifi is not detecting any wifi connections although they are present. As soon as I start my system Network Disconnected notification shows up. But it happens to work sometime and it is quiet ...
0
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1answer
12 views

Only resolve DNS on VPN Server

I installed pptpd but my connection is too slow and i need use Google DNSes (8.8.8.8,8.8.4.4) on my Android without root for mobile network (not Wi-Fi). How can i configure my ubuntu server for just ...
0
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1answer
17 views

Wi-Fi connection in 13.10 [on hold]

I just installed Ubuntu on my Dell Inspiron and I cant get the wi-fi to connect. The app store said it's there but can't get to it. Is there something I'm missing?
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3answers
75 views

No Wireless Internet Connections Show Up!

Just got Ubuntu on another computer and I've never had this issue. On Windows Vista, (the operating system alongside Ubuntu) The internet works fine. But when I click on the icon in the top right, ...
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0answers
14 views

Realtek RTL8723be Wifi and Bluetooth 14.04

I just installed the OS on my laptop and at first wifi didn't work. After connecting to ethernet and updating everything, the wifi is working. But it disconnects here and there and requires me to ...
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0answers
12 views

Installing Samsung network printer on Ubuntu 14.04

I am trying to install Samsung C410W printer on Ubuntu 14.04, however after 2 days of struggling any success. I tried to install it through "Add printer", through adding printer in CUPS and I tried ...
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0answers
10 views

Ubuntu crashes my network [on hold]

When I launch my new install of 14.04.1 the desktop freezes and within a few moments my entire home network locks up. Help? I have installed 14.04.1 Server on a AMD 64bit machine. Then installed ...
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1answer
24 views

Where does `resolvconf` gets the IPs of DNS servers from?

On a server machine, I have the /etc/network/interfaces file similar to: # The loopback network interface auto lo iface lo inet loopback # The primary network interface auto eth0 iface eth0 inet ...
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1answer
26 views

CUPS - Configuring default printer options

I'm using a CUPS printer and trying to set the default options for the printer using /etc/cups/ppd and /etc/cups/printers.conf but I don't see a complete list of available options. Currently I'm ...
0
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1answer
24 views

Intel Corporation Ethernet Connection does not start properly

I'm experiencing some problems when trying to connect my PC to the router through a switch. When the PC is directly connected to the router, everything works fine, Ubuntu (14.04) starts normally, and ...
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0answers
12 views

Do I need Ubuntu Netgear Genie for 2 routers to 1 modem? [on hold]

I can't get his Netgear N150 WiFi USB adapter to "talk to" my Netgear main 6300 WiFi router. We briefly got internet connection (before I read-up on NetGear's site), but error wrt Server access. I ...
0
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2answers
100 views

UBUNTU 14.04LTS Wi-Fi hotspot is not detected by android phone

Default creation of HotSpot in network manager is not able to detected on andriod phones of any version. There is a answer for this question in given link below but its need to install third party ...