Managing and using network connectivity on a Ubuntu system

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6
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152 views

Increase connection Timeout connect to server

When i use terminal to ssh to machine A: it takes some 10 seconds and then prompts for password I am using connect to server options to use sftp to connect to machine A and it says : timed-out while ...
5
votes
0answers
460 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. ...
5
votes
0answers
4k 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 ...
4
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0answers
174 views

How do I remove the long name given to my internet connection?

The other day my computer randomly started displaying the full name of my ethernet controller as you can see here: I'm fine with it saying Ethernet Controller like it used to but having the whole ...
4
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0answers
223 views

Get Broadcom Wifi Card [14e4:43ae] to work

The Wifi isn't working, I'm not able to create a new (wifi) connection in the Network Settings. As mentioned in this answer I should ask a new question, if I have PCI ID that's not listed and well ...
4
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0answers
73 views

Wifi in Ubuntu 15.04

Of course, we first have the issue that Dell decided that not mentioning the model number on their laptops was much more user friendly. It says "Inspiron 15, 5000 series" on some kind of sticker on ...
4
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0answers
583 views

Network Start error

I use Ubuntu 14.10 desktop X64 and when I switch from single usermode to init3 mode I face no network connection so i use the command NetworkManger to start it but I get this error ...
4
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0answers
1k 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. ...
4
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0answers
9k views

Ubuntu 12.10 - “the system network services are not compatible with this version”

Fairly new to Ubuntu, know my way around, but novice user. Started my Laptop running Ubuntu 12.10 this morning, and no wireless or Eth. Look at Network Manager and this message: "the system network ...
4
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0answers
4k 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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0answers
40 views

Why are NAT&Kernel IP Forwarding not working?

I'm trying to forward all traffic from tun0 to eth0,below is my interfaces: eth0 Link encap:Ethernet HWaddr 12:57:6e:6a:74:85 inet addr:172.31.32.133 Bcast:172.31.47.255 ...
3
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0answers
54 views

What is the best method for hosting a minecraft server on Ubuntu?

I am going to try and run a dedicated Minecraft server on a spare desktop computer of mine. Where I work, we are all into minecraft and want to have a server that we can all use. It cannot be lan as ...
3
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50 views

Why 11n WLAN disabled for iwlwifi in 15.04?

I have a laptop with Intel Centrino N-6300 wireless card. Recently I found out that I can't connect to 11n-only wireless networks. After some research, the reason is that in iwlwifi.conf the 11n ...
3
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0answers
42 views

OpenVPN Not Forwarding Traffic on Ethernet

For some reason, my OpenVPN connection does not connect to the internet when I connect to the server over a wired connection. This seems to only be happening on Ubuntu 15.10, as I can connect out on ...
3
votes
0answers
222 views

Ubuntu 15.10: share internet connection over WiFi

Having two WiFi interfaces I'd like to use one as a hotspot, but the simple instructions found here don't work, no new wireless network is detected by any device (neither Android nor Windows PC). Any ...
3
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0answers
104 views

Wi-Fi disconnects

i just updated ubuntu at 15.10 and since then i'm having problem with wi-fi. It is working, but it became kind of unreliable. One moment it's working perfectly but sometimes it's still loading and all ...
3
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0answers
29 views

What are the directories and files that I should keep in sync for a cluster server

I am currently wanting to set up new clusters. Each cluster is defined by its software installed, software settings, and its home folder files. I want only the above to be cloned and not things ...
3
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217 views

Redirect traffic flowing into SSH server to privoxy, then to TOR

I own a Ubuntu VPS that I am using for SSH tunneling. I want the traffic to be redirected to TOR network. Some research showed that I can do it by using Privoxy, that will accept traffic from SSH ...
3
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0answers
254 views

14.04: Clicking a VPN connection in the network icon menu does nothing

This is identical to (Open VPN connection doesnt work after reboot Ubuntu 14.04) with the one exception that it is a PPTP connection and not OpenVPN. Usually when I click a connection in the menu the ...
3
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0answers
211 views

How can I block one or more websites from the command line, especially for Google Chrome?

I teach in a school and have a cart of laptops that I set up with Edubuntu 12.04. I am using LanSchool to monitor their screens, remotely control them, blank their screens, etc. The functionality is ...
3
votes
0answers
218 views

cat: /var/lib/misc/dnsmasq.leases: No such file or directory

I've searched all over the internet, but couldn't find any answers of my problem.. I want to connect my Raspberry Pi to my laptop. But whenever i try to check the ip address of my raspberry, i get ...
3
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0answers
364 views

Ethernet doesn't work after upgrading from 14.10 to 15.04

I just upgraded from Ubuntu 14.10 to 15.04. The ethernet is now longer recognized. If I open Network from System Settings and click on Wired, it shows Wired Disconnected - 1000 Mb/s Hardware Address ...
3
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0answers
5k views

Share internet from PC to unrooted android smart phone connected via USB cable

I am running Ubuntu 14.04 LTS with Windows 7 Dual boot (both 32 bit) in my desktop. I use cable broadband (Ethernet). I have an unrooted android smart phone running KitKat 4.4.2. This device has a ...
3
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0answers
309 views

How to wake my PC with any packet, not just a magic packet?

Currently, I can wake my PC by sending a magic packet from another device on the LAN. However, the PC will not power on when I send the packet from outside the network (WAN), even though I have my ...
3
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0answers
4k views

UFW for OpenVPN

I want to configure ufw (uncomplicated firewall) for OpenVPN. Connections are only allowed through OpenVPN. Everything else should be blocked. So if OpenVPN is disconnected -> no internet! I found ...
3
votes
0answers
368 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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0answers
564 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
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 ...
3
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0answers
379 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 ...
3
votes
0answers
4k views

Why 'sudo service networking restart" do not work?

Normally, if I run sudo service networking restart, it will take some time before it finishes. But, on one machine, it returns immediately, and the results in ifconfig does not change even when ...
3
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0answers
4k views

Network-manager not running?

I am able to connect to a WiFi but as I connect my LAN cable for Internet it says that network-manager not running and the I am unable to connect to even WiFi.
3
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0answers
131 views

Autentication throught digest proxy

and sometimes I need to download files (and do other things) throught the command line, I have always declared the environment variable http_proxy, https_proxy or ftp_proxy too in that way: export ...
3
votes
0answers
668 views

iwlwifi on lenovo z570 disabled by hardware switch

It was working fine with windows 7. The hardware switch is not disabled. I've toggled it back and forth dozens of times. The wifi light never turns on and it always lists as hardware disabled. I have ...
3
votes
0answers
2k views

NetworkManager in disconnected state

There seems to be a problem with my network drivers. Neither eth0 nor wlan0 are recognized, and I'm running 13.04 over the 3.8.0-27-generic kernel. Here's some diagnostic information: ifconfig ...
3
votes
0answers
1k views

wifi connected to android via laptop but internet is not coming

I have started wifi in my ubuntu using this process and is equivalent to ap-hotspot and I am able to connect my rooted android device to my laptop via wifi but I am not able to get Internet connection ...
3
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0answers
320 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
votes
0answers
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 ...
3
votes
0answers
606 views

How to share a Vpn Internet connection

follow my scenario: Router Internet without possibility to configure a VPN Laptop Ubuntu with wifi and ethernet. Configured on it a VPN. Other device where i cannot install a VPN. I would like ...
3
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0answers
378 views

How can I connect to Microsoft Direct Access?

My company has moved from Cisco VPN to Microsoft Direct Access. I was using network-manager-vpnc to connect from Ubuntu before. Can I use the same to connect to direct access? If not, how can I ...
3
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0answers
674 views

Network Connection Failure: “network disconnected”

I'm using Ubuntu 12.10, and have a Zantel modem (model: Huawei ec122) which is a cdma modem. I have been trying to connect to the internet but every time it loads it says "network disconnected" Does ...
3
votes
0answers
926 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 ...
3
votes
0answers
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
votes
0answers
880 views

How can I tell Ubuntu to keep the correct routing table?

Ubuntu sets a wrong routing table if the router is switched off and on again: Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 192.168.1.1 0.0.0.0 ...
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0answers
21 views

Diskless Problem Network

I'm new on the askubuntu.com and I want to expose my problem. I'm sorry for my poor english. I have a big project to implement a big cluster calculations. I'm stuck at a part, let me explain. The ...
2
votes
0answers
18 views

How can I use my laptop as a Bluetooth input device?

I just got a USB bluetooth dongle, and I'd like to use it to Connect my laptop to my Android tablet as a slave device. and Route input from my USB Xbox 360 controller to the bluetooth dongle. I ...
2
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0answers
99 views

Password in WiFi hotspot in Ubuntu 14.04 LTS not working

I am using Wired internet. Want to create a WiFi hotspot using an USB Wireless router. I tried all the possible way discussed here in AskUbuntu like: Followed step by step several times according to ...
2
votes
0answers
97 views

Slow and Unreliable Internet with EDIMAX EW-7811Un N150

My internet connection is slow and unreliable. Sometimes pages will eventually load, but other times I will get a server not found message. Refreshing the page often fixes that. Sometimes it takes ...
2
votes
0answers
44 views

Ubuntu Dual NIC

I recently switched from Windows to Ubuntu. It was working in Windows with exact configuration. One NIC(enp2s0) is connected to LAN and other NIC(enp1s0) is connected to router with internet access. ...
2
votes
0answers
31 views

Access Samba Share using Active Directory (LDAP)

I have Samba installed in our server and it is running fine. We have hundreds of folders in Samba share, and we use user.map to map list of users to specific folder in smb.share file. Since users are ...
2
votes
0answers
20 views

xrdb to Ubuntu machine not working from external network

I have a Ubuntu machine that I would like external users to connect to using RDP. Connecting from an internal network works perfectly fine. But users outside of my network,who use the public IP, can ...