Managing and using network connectivity on a Ubuntu system

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Wireless/wifi network is not working on ubuntu 12.04 - lenovo z50-70

I just ran below script wget -N -t 5 -T 10 http://dl.dropbox.com/u/57264241/wireless_script && chmod +x wireless_script && ./wireless_script and attached the information here at ...
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1answer
18 views

Transferring files from Ubuntu PC to Ubuntu laptop

I'm basically new to this, so I'll try to explain what I want to do as best as I can. I have a desktop running Ubuntu 12.04 and the hard drive is full. I want to transfer the files over to my laptop ...
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12 views

Ubuntu 14.04LTS on ASUS wifi disconnecting and reconnecting

Hi im a beginner and started out with replacing my operating system with ubuntu 14.04. It was working fine until recently nothing that I know of has been changed. When I use rfkill list i get: 0: ...
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Ubuntu 14.04 samba server not visible anymore from Windows 8.1 PC

I'm having a big problem on my Ubuntu configuration. The PC running Ubuntu (PC-DE-LDP) is not seen anymore from my other PC (running Windows 8.1). It was visible some days ago even if I had troubles ...
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1answer
6 views

networking multiple Beaglebone Black over USB

I'm working on a project where I would like to "daisy-chain" network multiple Beaglebone Black boards from the standard USB port on one to the USB-mini on the next. The problem I'm coming up with is ...
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22 views

What are hostname and domain name doing in linux system?

I just yet starting to learn about web serving. So, far I know domain name is used for web page addresses (URL), like if we have an URL like this: ...
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1answer
36 views

WIreless and wired networking no longer working after update today (Jan 31) of Ubuntu 14.04

I just did an update of my Ubuntu install on my laptop and after rebooting, the wireless didn't work anymore, it doesn't even show up in iwconfig, however it does show up in lspci (Broadcom BCM43228). ...
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1answer
14 views

network manager - run script when connect failed

is it possible to tell network manager to run a script when network connection gets down (and it can't reconnect)? e,g: I have A bug in my network card driver, and sometimes NM fails to connect, a ...
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8 views

question on getting the following information for Ubuntu running on Vmware player

I am trying to follow the answer posted in Configuring Ubuntu vmware guest NAT to solve the similar issue. At first, I would like to know how to get the following information as the Kingsly wrote in ...
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13 views

No internet access 14.04

I have a problem with my server 14.04 LTS. After install internet works. But now(I dont know why), I cant access internet(WAN), my local network is working, I can remote access (locally). Can someone ...
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28 views

Internet speed in Chrome in Ubuntu is half of what it is in Windows [on hold]

In Chrome in Windows I get 400KB/s and in Chrome in Ubuntu I get less than 200KB/s. What is wrong with my system?
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23 views

can't get to set up WiFi

I'm currently struggling with my boyfriends netbook - he moved and changed apartments, so he changed his network provider, and here's the problem: I have no idea how to connect to that new wifi. its ...
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1answer
14 views

Enabling LDAP client on UBUNTU 14.10

I have been trying to configure my UBUNTU machine to connect to my LDAP server. This has been a brainless issue with my Windows machines but it is proving to be quite a challenge to do this with ...
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1answer
24 views

Network analyzing tools

I am doing a project in collage. My project is to compare two different simulators, one id GNS3 and the other OPNET. what I have to do is generate traffic through the simulators and measure it. I will ...
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11 views

Use VPN on dedicated Server

I have a dedicated server and want to use it to capture some streams later tonight. Since I am streaming media from the server, it is a big annoyance to capture streams on my laptop and uploading ...
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WWAN-modem disabeling by itself, Ubuntu 14.10, Lenovo T440s, Sierra Wireless EM7345 4G LTE

I have had my Lenovo for quite some time now, and tried looking arround for solutions to my problem with the WWAN. I can enable the WWAN both through the GUI and the terminal, and connect via my ...
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17 views

PPTP VPN connection always fails

I'm using Ubuntu 14.04. And I'm trying to use the VPN service of bestfreevpn.com using PPTP protocol. Previously I've tried some other free VPN services and I can't seem to connect to any of them. I ...
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1answer
7 views

point domains to folders under LAMP (Work of AddonDomains)

I have installed LAMP on Ubuntu without any problem and now if I point my domain to my VPS IP it works normally, I tried to use .htaccess but it didn't work for me I want to point many domains to the ...
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20 views

Networking not working anymore with wifi

On a Xubuntu 14.04 system, network connections have recently stopped working. What happens is that the computer connects fine to 2 local wireless networks (within the same router), however when using ...
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1answer
27 views

Router page and online IP showing page show different IP

I have came across an strange situation. Whenever i look at the router page then it shows an IP which is completely different from the IP i see in the webpages like ipmango and other sites too. Can a ...
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13 views

I just fixed my wifi problem in a horrifying way, did I mess something up?

Came home from my apartment to my parents house for the first time since re-imaging my computer. Ran 14.04 before on this computer, just a clean install. Worked before, didn't now. I knew the wifi ...
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Just finished building a linux build with Ubuntu 14 and can't get network card tplink wdr4800 to work. Please help

I have already tried this but i got the error.' E: Unable to locate package firmware-atheros'
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9 views

Supersede default route to other network interfaces

I have two network interfaces wlan0 and eth1. wlan0 connects to a camera over WiFi, getting it's all it's info from DHCP. eth1 connects to the internet, also getting it's info from DHCP. Sometimes ...
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8 views

VMs connected user ip problem

I have a server and on the server running ubuntu 14.04 Vbox 4.3, and php virtualbox 4.3.1. So my problem is - I run TS3 servers, and Gameservers from the VMs and if someone connect the server and i ...
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11 views

Why isn't my Samba machine browseable on the network?

I have a Samba machine - set up as a standalone server, and it's not showing when browsing the network. The workgroup is OFFICE (yah, I know.... generic... but it was before my time). One can get to ...
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2answers
26 views

dhcp server setting

I have a ubuntu desktop (running on a raspberry pi) that is configured with dhcp on eth0. This device comes from an environment where they use a server to route all the internet trafic and dhcp ...
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11 views

External LAN configuration in Squid Proxy Server

We have implemented a squid3 proxy server on Ubuntu 14.04.1, the server works fine in our office. After that we attached a LAN card to that machine so now we have two LAN ports one is on board LAN ...
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9 views

ERROR: wl_scan_notify_status : wlan0 Scan_results error (-22) direct kernel output to tty

I have been coding on my tty's lately on my Linux Mint 17.1 'Rebecca' machine, and I have noticed that the kernel will start spitting direct output, in particular the error "ERROR: ...
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1answer
17 views

Network disconnected. You are offline now

My internet access doesn't work any more and I constantly get the message Network disconnected. You are offline now. every 3 seconds. This might (or might not) relate to my printer where I ...
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12 views

Failed to connect to Cisco anyconnect VPN via openconnect

I've read several texts about this on the web and this site but couldn't solve the issue.I have network-manager-openconnect and network-manager-vpnc plugins installed on Ubuntu 14.04 (for GUI usage). ...
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1answer
21 views

OSError: [Errno 101] Network is unreachable

When doing a network broadcast from Python, I get this: OSError: [Errno 101] Network is unreachable My code is as follows: def send(ip, message): sock = socket.socket(socket.AF_INET, ...
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20 views

Resetting all network settings

Recently I have been getting into Linux and I downloaded an extension in Firefox on my Ubuntu that was proxy. The proxy wasn't working right so I removed it but noticed that afterwards with the ...
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sudo apt-get trying to connect through old proxy

I previously had a proxy set-up when visiting somewhere for work, to use the internet there. I have since returned, and I thought got rid of the proxy. However today when I try to run sudo apt-get ...
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iptables/netfilter: What's the difference between PREROUTING and FORWARD?

I am trying to understand how this system works and I have problems to understand the difference between using NAT PREROUTING or filter FORWARD. From what I understand, the PREROUTE can send the ...
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38 views
+50

Wireless hotspot not supported after upgrade to 14.04!

I used to use ap-hotspot on my laptop with Saucy without a problem. Now that I upgraded to 14.04 and installed ap-hotspot I get this error: Your wireless card or driver does not support Access Point ...
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my web browser is unable to load askubuntu.com

i installed Ubuntu in my hp pavilion g laptop.i am using Mozilla Firefox i am able to connect other websites but askubuntu.com web page is not opening in my laptop.please help to solve the problem.
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Power went out, Network Manager service went haywire. Reboot wouldn't bring it back up, but restarting service did. Why would this happen?

This is kind of strange. My power went out randomly yesterday for a split second. My server came back up and it would not connect to the network. I couldn't ping out from the server, it wasn't ...
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1answer
25 views

Realtek Ethernet card disconnnects randomly

My laptop has a Realtek RTL8168 Ethernet card, which works pretty well. Except at some times, where the connection just gets dropped and I have to un- and replug the cable in order to reset the ...
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1answer
53 views

Samba shares not accessible from Windows 8.1 with Ubuntu 14.04 LTS

Here is my smb.conf file as obtained after using the "sudo system-config-samba" command # # Sample configuration file for the Samba suite for Debian GNU/Linux. # # # This is the main Samba ...
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31 views

Software for Network Infrastructure Discovery

Which software is the best for create a network map in ubuntu? I have bachelor thesis in college, theme is Network Infrastructure Discovery. I must create a network map, automatic discover devices on ...
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2answers
80 views

Ubuntu WiFi fails to connect

###Read Edits below### initial post I'm using 14.10 ubuntu and it is dual booted with windows 8.1, my issue occured "randomly" (being careful using that word - i dont remember if i did anything ...
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24 views

Ubuntu 12.04 LTS scripts in /if-up.d not executed

Since this morning have been trying to achieve something: System: Ubuntu 12.04 LTS, Network-Manager is not installed Goal: Every time, the eth0 network interface is started (if-up.d) we want to ...
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1answer
46 views

Network card wifi not working

My wifi is not working and I have a Compaq Presario C500 and my network card is a Realtek RTL8139/810x family fast Ethernet and Broadcom 802.11b/g WLAN. UPDATE: lspci -nnk | grep 14e4 says 06:00.0 ...
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27 views

How to install CISCO PACKET TRACER for 14.04 64Bit? [duplicate]

I have Computer Networking subject this time, and we will be needing the CISCO PACKET TRACER software. I searched a lot of websites and Ubuntu ques, but none of them were helpful for me. 1) Where do ...
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1answer
30 views

Network Failure after Update

Follow up to: this question: After uninstalling a load of packages in order to free space on /boot for upgrades etc. I loaded Ubuntu software manager and was prompted to install an update, which I ...
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14.04 Can't login after NVIDIA install + Network not available

I have tried to install NVIDIA (for using CUDA) on my notebook running 14.04. I took the driver from here and hopefully followed the steps from the second answer here. I did this after I first tried ...
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38 views

How do I setup a VPN server on Ubuntu 14.04 LTS with No-IP? [duplicate]

All the installation guides for VPN servers I can find go into huge detail about how to setup an IP address range (e.g. Easiest way to setup Ubuntu as a VPN server). If I'm using No-IP to give my PC ...
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1answer
11 views

Counting printed pages on a network printer

In my company I have a printer connected to a PC with Lubuntu and this PC is connected to internal network. I would like to make the printer accessible via this PC, however, not just make it a shared ...
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1answer
26 views

interface device name em1 to eth0 linux 14.04 lts

I Have installed Linux 14.04 lts. I am getting interface device name as em1 and eth0.I want to rename it as eth0 and eth1.
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20 views

Make internet app available only within VPN?

I am not sure if I expressed myself clear enough in the question. Just managed to set up PPTP on my server and I want to know how can I make a website be accessible only from VPN clients. I have ...