Managing and using network connectivity on a Ubuntu system

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50 views

How to configure networking for KVM

Ok, my situation is as follows. I have: -host (Ubuntu server 14.04) on which I want to have multiple VMs (KVM). This host has 2 NICs (eth0, eth1) -home router (dhcp, network 192.168.1.0) -PC with ...
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222 views

Cannot change Wifi settings, stuck on WEP Security

I just started using Linux and as such do not have a proper knowledge of how to use the command line and all of those sorts of things, so please try to bear with me :). I have been able to connect to ...
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2k views

Integration multiple internet connections ISPUnity vs Ubuntu Bonding

I have Ubuntu 13.04 with 2 ethernet cards and a WiFi card. I also have 3 ISP connections. I have to configure linux to use all 3 connections. My main concern is to increase outgoing bandwidth (FTP ...
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273 views

(32) Ad-Hoc mode is not supported by this device. - 13.10 on i5 NUC

Not sure if this is an Ubuntu issue or intel issue. Any insights will be appreciated. I have an intel NUC (D54250WYK) w/ intel 7260 wireless adapter and Ubuntu 13.10. I can connect to my local ...
3
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390 views

Juju bootstrap node can't access Ubuntu archives via MAAS

I am trying to install MAAS and Juju on VirtualBox. The network configuration of VirtualBox is set to NAT Network. Everything is just fine. I am able to PXE boot. But when I start juju bootstrap, ...
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185 views

Setting priority of wireless networks in KDE Network Manager

Is there a way to determine the priority of wireless networks? The KDE networkmanager applet works fine, but it often connects to the WRONG wireless network by default when multiple networks are ...
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4k views

Install Network Printer Manually (Router : TP-Link TL-WR842ND)

Router Model No. : TL-WR842ND After reading this article, I carry on the installation but it does not work. This is the properties page : I have attempted to print test page but the status shows ...
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234 views

Installing Fritz Wireless USB Adapter

How do I install a Fritz USB wireless adapter on Ubuntu so I can access the internet? I have the software required, but I am not sure what to do next. Ubuntu version 13.04. Output of lsusb: ...
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2k views

Error During Apt-Mirror Unattended Install Of Ubuntu Server 12.04 Over Network Using PXE

I'm attempting to PXE boot and completely rebuild a new server with an "Ubuntu 12.04 Server" image over the network using apt-mirror but I get multiple errors mid-way through the installation. I am ...
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720 views

Set master mode on a realtek rtl8192ce

The supported interfaces of the network adapter include also AP. But when I try to set the card on Master Mode with iwconfig wlan0 mode Master, I get the following error: Error for wireless ...
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3k views

Playing Age of Empires II multiplayer in VirtualBox Over wi fi network

I installed Age of Empires II (Expansion) in VirtualBox (hosting Windows XP). It works great in single player mode. Unfortunately, I tried playing multiplayer via WI-FI which I created on my Ubuntu ...
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2k views

How can I configure a Canon Pixma MG5300 to print wirelessly?

How can I configure a printer to print wirelessly in ubuntu 12.04 ? I have a canon pixma mg 5300 series, and I am able to print correctly by usb (the drivers were installed). Now I'm trying to do it ...
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399 views

Why does WiFi work with WICD but not Network Manager

So my WiFi can connect with WICD, but not the default KDE network manager. I would like to know why. Do both these applications handle the connection differently? If so what would the difference be? ...
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51 views

Ubuntu 14.10 - Lenovo E420 - Wireless is not working

Earlier till ubuntu 14.04 the wireless was working for lenovo thinkpad E420, in ubuntu 14.10 it stopped working. Earlier for ubuntu 12.10 Modified /etc/modprobe.d/blacklist.conf and put an entry near ...
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37 views

Cant have both wireless and wired connections enabled at the same time

I have installed Ubuntu 14.10 recently and I have a problem with accessing my storage server via eth0 and connecting to Internet via wlan at the same time. I have to disconnect one of them to use the ...
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197 views

Configuring Huawei E3276 modem

I'm having trouble with my mobile broadband modem (Huawei E3276) on Ubuntu 14.04. lsusb output: Bus 002 Device 024: ID 12d1:1506 Huawei Technologies Co., Ltd. E398 LTE/UMTS/GSM Modem/Networkcard ...
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0answers
64 views

How do I force nmcli to reconnect to different uuid?

I have a bash script that checks my network environment and mounts shares accordingly. If I'm at work and have a hard-wire connection to the LAN, then I'd like to activate a hotspot connection for ...
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106 views

“browse” button disabled in “windows printer via samba” for printer shares

I have done a fresh install of Ubuntu 14.10 and SMB printing seems to be missing. There was no SAMBA option for adding a network printer, after Googling, I installed libsmbclient, smbclient and ...
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240 views

no wireless connection on ubuntu 14.04 of my ASUS laptop TP500LA-CJ059H with Wireless: 802.11b/g/n

Here are the information about wireless on my laptop. Thanks in advance. ########## wireless info START ########## Report from: 21 Oct 2014 15:20 WST +0800 Booted last: 21 Oct 2014 15:01 WST +0800 ...
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39 views

Wireless hotspot problem

My Ubuntu laptop connects the Internet though data card. When i try to use it in my mobile by turning on wireless hotspot in laptop i couldn't find any networks in my search result in the phone. I had ...
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29 views

How to change pptp vpn remote password 12.04

I'm looking for a way to change my pptp VPN connection password on the remote server, is there any way to do this? I know that from windows if the password expires the connection automatically prompt ...
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257 views

Ethernet connection not working in ubuntu 14.04.1 LTS

I am facing weird issue with my ethernet connection. Its showing connected but when I hit something in the browser it won't though its connecting via wifi to other networks but not with the wired ...
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69 views

How to trick android and ios devices into thinking they are connected to the internet

I have an ubuntu machine setup as an access point, but it is not connected to the internet. I simply want to transfer data between it and smart phones. The problem is, all devices seem to want to ...
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56 views

Are there differences between ubuntu server 12.04 and 14.04 in network configuration during the installation?

I decided to turn my old laptop into a server just to learn about servers and linux. I installed the ubuntu server 12.04, I chose my wireless connection during the installation and I installed the ...
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36 views

How do I find which OS layer (iptables, rp_filter, etc) is dropping a packet?

Let's say that I'm running a ping towards a machine and I see from tcpdump that the icmp echo reply is being received at the ethernet port but the ping program is not getting it. So I know that ...
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276 views

Ubuntu 14.01 LTS can't access some websites

Something is wrong with Ubuntu Kernel and Windows DHCP,DNS Server. First i will explain my problem in few words and then ill post all my configurations. My ubuntu computer is behind a all-in-one ...
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133 views

Why are browsing samba shares from Ubuntu (Nautilus) so much slower than browsing from Windows

I have a samba share over the a vpn server. Browsing the share takes 60 times longer from Ubuntu than it takes from Windows. From a Windows 7 Virtual Box (and any other machine in the shop) it takes ...
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0answers
50 views

How do I create a DHCP server, with a router that doesn't allow me to disable DHCP?

I have an Actiontec V1000H Modem/Router from my ISP Telus, they have blocked access to all their 'advanced' settings like DHCP/Bridging. I have setup a MAAS server I have a few things I'd like it to ...
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196 views

Ubuntu 14.04 - Network problems (wireless and DNS)

I have seen a very similar problem on post: Cannot resolve dns on 12.10 install but with no clear answer and my problem is related to Ubuntu 14.04, another particularity is that this problem started ...
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0answers
50 views

Internet drops out when using shared hub or streaming media

Depending on the network I'm connected to my (wireless) internet will drop out every 30 seconds to every few hours. How often I drop out (seemingly) depends on the network, and the amount of traffic ...
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59 views

Network problem: Chrome would not load sites that Firefox does

I am running a Ubuntu 13.04. I had both Chrome and Firefox installed, and the former does not load most websites. There is no proxy, and I have disabled the firewall. I connect to the internet ...
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69 views

Network Manager Icon Isn't In the Unity Panel

I accidentally purged network-manager. Hopefully, I downloaded the debs required by network-manager and installed them. Now, the network-manager indicator is not in the Unity panel. Is there a fix? ...
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0answers
39 views

Getting Ubuntu server to resolv new IP for a host name

I run a minecraft server on ubuntu 14.04 LTS on vm's using virtual box. In order for players to connect, their 'account' must be checked with Mojang, at sessionserver.mojang.com. The problem is, the ...
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0answers
251 views

Intel Centrino Advanced-N 6200 won't connect to WPA PSK or WPA PEAP. WEP and open works. 14.04LTS

Cliffs: Can't get this to work with WPA PSK or WPA PEAP. Same laptop (Dell Latitude E6410) with a no-name USB Wifi dongle works fine connecting to the same networks. I realize this hardware is known ...
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204 views

Wired USB Ethernet Connection disconnecting sporadicly

first, I'm not a Linux Pro, so please forgive me if I write any nonsence :) So I have quite an unusual constellation. I'm running a Ubuntu 14.04 Virtual Machine on my Mac Pro using VMWare Fusion 6. ...
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265 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
113 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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0answers
109 views

LXC bridging with two NICs

I am setting up a server to host a number of LXC containers, for now just isolating web and db services. The server I am using has two NICs and I'd like to use one for host traffic and one for ...
2
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0answers
488 views

Wireless Dropping Out Using Intel 7260AC Card (Deauthenticated - Reason 7)

I have recently bought a new laptop and it has an Intel 7260AC wireless card in it. I am getting regular wireless dropouts occurring at no specific interval. AFAIK this only occurs at my house. ...
2
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0answers
396 views

Ubuntu Server (14.04 LTS) System-Wide Socks5 Auth Proxy

I have recently switched to the server version of Ubuntu 14.04 LTS and am not aware of a way to apply a system-wide authentication socks5 proxy so that all traffic on that computer goes through the ...
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0answers
320 views

Problems with Wireless since upgrade to 14.04

My laptop is a Toshiba Satellite L750, which has a Qualcomm Atheros AR9285 Wireless Network Adapter in it. When I was running 13.10 it all worked perfectly fine, but ever since I upgraded to 14.04 - ...
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439 views

Wireless Adapter Disconnects after Suspend on 14.04

After suspending and resuming my machine, my wireless networking fails to reconnect. Running nmcli nm shows the following: Before: RUNNING STATE WIFI-HARDWARE WIFI ...
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0answers
1k views

No internet connection after the upgrade from 12.04 to 14.04 LTS

Upgraded Ubuntu Desktop Server from 12.04 to 14.04 LTS and it can't connect to the internet after. I've also tried issuing apt-get update command but I'm get an error as below: Err ...
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0answers
34 views

Command line failing with https

I'm a bit new when it comes to networking. As a disclaimer, I installed Chrubuntu. The OS was able to connect fine, but it had an unrelated error and required an install and upgrade from 13.10 to ...
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258 views

Add a call function to modem-manager-gui

Modem Manager GUI is very helpful tool for EDGE/3G/4G modem specific functions control. I am using modem-manager-gui 0.0.16-2 with Ubuntu 14.04: It has very useful functions like SMS, USSD, ...
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36 views

Using interfaces file - device is not maintained

I need to set ethtool command at start-up because my router refuse to communicate until I set my LAN card to full duplex mode. I know how to do that using ethtool, but how to preserve changes after ...
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201 views

Backup and restoration of USB-modem functionality

The laptop with USB modem is in another city with my elder relative. The laptop has dual boot with XP and Ubuntu. Modem works in XP. The modem did work in Ubuntu but not anymore. I cannot fix the ...
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459 views

Unable to get Windows File Sharing (Samba) to Work Under Ubuntu

I would like to set up an Ubuntu machine, where I can store movies, series and music. I managed to get a working share running, setup to /srv/samba/share. I can access the share from my Windows ...
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0answers
182 views

Sharing internet connection with tablet over a proxy-server

I have a proxy-server at home and set up my ubuntu accordingly. All works fine. My setup is that you can only gain internet access over that proxy. Now I have setup a raspberry pi with an edimax ...
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156 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 ...