Managing and using network connectivity on a Ubuntu system

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4
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341 views

High number of ethernet errors. Tool for testing the ethernet card?

I have an Asus Sabertooth X79. I often get corrupted files. I checked the RAM, but memtest finds no errors. To avoid the possibility of disk errors, I tried copying the files to tmpfs. If I copy ...
3
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0answers
260 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
votes
0answers
326 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, ...
3
votes
0answers
128 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 ...
3
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0answers
164 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 ...
3
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0answers
221 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: ...
3
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429 views

Downloads kill WiFi

Just installed 12.10 fresh. Using a run-of-the-mill Netgear N router, and a Netgear WN111v2 USB dongle. THE PROBLEM: I attempt to install anything using update manager, software center, or via ...
3
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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 ...
3
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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 ...
3
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388 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? ...
2
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35 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 ...
2
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41 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 ...
2
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0answers
24 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 ...
2
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0answers
194 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 ...
2
votes
0answers
71 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 ...
2
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0answers
37 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 ...
2
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0answers
93 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 ...
2
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0answers
35 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 ...
2
votes
0answers
40 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 ...
2
votes
0answers
43 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? ...
2
votes
0answers
31 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 ...
2
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0answers
234 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 ...
2
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167 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. ...
2
votes
0answers
128 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 ...
2
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0answers
614 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 ...
2
votes
0answers
75 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
votes
0answers
363 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 ...
2
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0answers
277 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 - ...
2
votes
0answers
365 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 ...
2
votes
0answers
974 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 ...
2
votes
0answers
32 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 ...
2
votes
0answers
194 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, ...
2
votes
0answers
28 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 ...
2
votes
0answers
196 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 ...
2
votes
0answers
366 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 ...
2
votes
0answers
165 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 ...
2
votes
0answers
154 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 ...
2
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0answers
2k views

Wireless connection error for SOME networks

I have just installed Ubuntu 14.04 LTS and everything about wireless was ok until I come to work. 14.04 recognized & successfully connected to my home wireless network but it does not connect to ...
2
votes
0answers
802 views

kubuntu 14.04 - wireless connects but cannot ping or navigate

I just installed kubuntu 14.04. Wi-fi scans correctly the networks, connects correctly via WPA to the wifi network, but can't ping 8.8.8.8 or navigate. Any hints? Here follows a report: ########## ...
2
votes
0answers
33 views

Limit download speed if filesize 20mb

Is there a software like trickle lets say for example? That i can put as a proxy and lets say set it up so that if a filesize that i am downloading is over 20MB it will limit it to 2kb? I found ...
2
votes
0answers
239 views

Ap-hotspot fail

I've been trying to create an AP wireless network from a usb wifi transmitter. I have been using ap-hotspot to do so. It has got no further than this message on debug mode: Adding system startup for ...
2
votes
0answers
1k views

How do I set up a reverse dns on Ubuntu 12.04 VPS

As far as I can remember when setting up my VPS and mail server on it, I had configured the mail server correctly. However, a few of my clients get SMTP errors, host mx1.zonnet.nl[62.58.50.9] ...
2
votes
0answers
71 views

How to access Amazon EC2 instance from Ubuntu 13.10?

I have an Amazon EC2 (Windows) instance which has been created for me and I have public DNS, public IP and the public key. I would like to RDP to this instance from Ubuntu 13.10. I have recently ...
2
votes
0answers
79 views

please tell me correct way to use usb_modeswitch in ubuntu saucy

I have one mobile router "hw0-2e". (https://www.nttdocomo.co.jp/product/data/hw02e/index.html )(japanese only) I want to use this by usb connection as my pc is desktop and no wifi. I know this one ...
2
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0answers
612 views

How to host a website using Ubuntu 13.04 on my local machine

How do I do a complete BIND9 DNS Server Configuration with a hostname? Thank You so much for this wonderful answer. Although the talk here had been more on the lines of setting up a home based server ...
2
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107 views

Internet is not working on VM

I have two NIC configured between two servers one to connect server with internet and other is for fast internal connectivity of the servers each server have three VM's each i have configured both ...
2
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0answers
123 views

Add right click sharing to Ubuntu Server 13.10 running Gnome-shell 3.8?

New to Ubuntu but some limited experience with other distros. I was trying out Ubuntu Desktop 12.04 LTS and I was able to right click a folder and share it on my home network. I wasn't crazy about ...
2
votes
0answers
83 views

12.04 LTS not able connect to internet when installed, but could connect using LiveCD before installation

I met a strange problem. When I use LiveCD to install ubuntu 12.04 LTS, I was able to connect to Internet through wired connection, choosing "Try Ubuntu". But when I installed it, it could not ...
2
votes
0answers
217 views

ubuntu server/samba file sharing disconnection during use

I apologise in advance if i include needless information; Firstly my network is setup with ubuntu server 12.04 LTS -> netgear modem router -> ethernet cable -> belkin router as wireless access point ...
2
votes
0answers
378 views

Hostapd serves all webpages to Windows 7 client, not so XP or Android

I have installed hostapd and dnsmasq in a laptop running Linux Mint 15, as a wireless relay: Incoming from remote wifi router is through wlan0, pcmcia wifi card serving client machines is wlan1. This ...