Managing and using network connectivity on a Ubuntu system

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BCM4352 Wireless network card issues with lubuntu 14.04 LTS

Just got a new laptop with Windows 8 on which I installed Lubuntu, but Lubuntu does not recognize my Broadcom Corporation BCM4352 Wireless Network Adapter. I Googled the web and went through a couple ...
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1answer
131 views

Help with network on Ubuntu 14.04

So I have hp laptop where I recently installed Ubuntu 14.04. I'm in a location where I don't have a ethernet connection but I have wireless and usb connections from a gadget that basically works like ...
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1answer
1k views

netstat output meaning

I run netstat -a | grep ftp the result is tcp 0 0 *:ftp *:* LISTEN What is the meaning of this zeros and stars?
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2answers
182 views

Setting up NAT for internet access on a connected router

I'm setting up a NAT for a connected router to my laptop using the following command (IP forwarding is enabled): sudo iptables -t nat -A POSTROUTING -s 192.168.47.0/24 -o eth0 -j MASQUERADE So ...
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2answers
802 views

SMCWUSBS-N3 Ralink RT3070 disconnected wifi

I'm using ubuntu 14.04 64bits, and this wireless pen to connect to the internet. I've tried to update the driver from RT2870 to RT3070, downloading the latest linux drivers from SMC website. After ...
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0answers
69 views

Connecting to Ubuntu host not possible

I have an Ubuntu-Host which is connected via wlan (and for testing to wired net) to a local net. This Ubuntu-Host is not reachable via network by any other clients on the same network. But: If I do a ...
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1answer
206 views

Network goes down and does not come back up on it's own

I have a server with the following /etc/networking/interfaces: auto lo iface lo inet loopback auto eth0 iface eth0 inet static address <My IP> netmask 255.255.255.248 gateway <Gateway ...
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1answer
113 views

Create personal wireless network on laptop

I have a WiFi Network, now I have connected my laptop to the WiFi Network. And it is working fine I'm able to access the internet via WiFi. But I want to create other network on my laptop so that I ...
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1answer
1k views

Use system wide proxy in ubuntu 14 lts 64 bit

I want to use a system wide proxy and did the following: Created a file apt.conf in etc/apt/ with Acquire::http::proxy "http://user:pass@proxy.pac:8012/"; (I had to set chmod to 777 to edit it) ...
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1answer
3k views

Multiple IPs on different subnets on one interface

I have managed to configure two IPs from different subnets on the same card. I changed /etc/network/interfaces to have: auto eth0 iface eth0 inet static address 172.16.4.254 netmask ...
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1answer
318 views

Trying to set up a social networking website need help! [closed]

I need help. I am trying to set up a social networking website at home just a small local website for right now. I am doing everything on my own. I turned my old 2009 HP desktop into a server, Ubuntu ...
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1answer
3k views

Hardcoded static IP assignment for eth1

I'm setting up a NAT, and need to assign a static IP to my eth1 interface. The problem is that once in a while, it resets, and I need to run the following command again: sudo ifconfig eth1 ...
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2answers
237 views

How can I keep vpn running even after exiting terminal?

I have a program that runs on Ubuntu (14.04) whether I am in the terminal or not. This program relies on a vpn connection, for which I am using vpnc (cisco). I have added vpnc to my reboot and start ...
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1answer
738 views

Kernel Panic With Cheap Wi-Fi Usb Adapter

I've just bought a cheap usb wifi adapter from ebay. It is mediatek based, lsusb outputs: Bus 001 Device 003: ID 148f:7601 Ralink Technology, Corp. I'm on 3.13 kernel, and the driver provided in ...
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1answer
223 views

Wireless Broadcom 4313 Ubuntu 14.04 connection established but no traffic

another Broadcom 4313 issue. Sorry, but after trying to fix it for several hours, you might have a quick look and help me out! ~$ lspci -nn -d 14e4: 24:00.0 Network controller [0280]: Broadcom ...
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1answer
567 views

No network capabiity on dell vostro 1000

I just had a fresh install of ubuntu 14.04 and i have no network connectivity, i have a wifi capable computer, but there is no wifi connectivity, and the ethernet is not functioning either. I suspect ...
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2answers
4k views

Chrome stuck on 'resolving host'

So for a little while now my Chrome has been randomly not loading new webpages. Already open pages work fine - like, facebook chat continues to function, for example - and other programs are fine. The ...
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0answers
640 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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29 views

Map a network that I use [duplicate]

I am not running a network i.e I am not a network administrator, but I want to map the network for learning. I have seen many applications that are used to map the network that I own. I want to ...
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1answer
1k views

Intel wireless 7260 does not work on Ubuntu 12.04

I've installed Ubuntu 12.04 on my Lenovo x240 laptop which has a Intel Wireless 7260. I don't know why the network connection does not show anything. Actually nothing comes up; no internet connection. ...
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5answers
15k views

Can't ssh into server, connection refused

I can't ssh into my server. The server is on a private network administrated by me. Ubuntu is version 14.04. This started when I changed to a wired ethernet card. The client is MobaXTerm (latest) ...
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1answer
4k views

Set specific interface for internet access

I have a machine with three network interfaces running Ubuntu 12.04 LTS, 64-bit, kernel 3.5.0-49. I am using all three interfaces. Two of them are connected to LANs (eth0 and eth1) and one is ...
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215 views

Net activity - What does this network activity mean [closed]

tcp 53 domain LISTEN * * . tcp 631 ipp LISTEN * * . tcp6 53564 ESTABLISHED ::1 631 ipp ip6-localhost tcp6 631 ipp ESTABLISHED ...
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999 views

14.04 won't save WPA password

Recently installed Ubuntu 14.04 Desktop 64 bit. Most things works great except it won't save my password for my wireless network, which is Security: WPA & WPA2 Enterprise Authentication: ...
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400 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 ...
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2answers
295 views

14.04 - VPN established but ssh kills it

I have 14.04 LTS installed on my laptop (VMWare image) and I establish a VPN connection to my home. All that works fine, but when I want to use ssh on my laptop the VPN connection dies immediately. ...
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1answer
93 views

network connection

I have a rather fascinating problem and hoping some one could shed the light on it. I have Ubuntu 12.4 LTS Server with 2 NIC's : 1. 10/100 2. 10/100/1000. eth0 & eth1 respectfully. I used the ...
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1answer
800 views

Cannot locate wireless networks on Acer Aspire M5 laptop

I just purchased an Acer Aspire M5-583P laptop and installed Ubuntu 14.04 on it (this is not the machine I am typing on now). Upon restart I am unable to connect to the internet and am not able to ...
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1answer
1k views

Ubuntu 14.04-wireless slow to start

I recently upgraded a PC that I've used as a fileserver and switched from Ubuntu 12.04LTS to 14.04LTS. I use a wireless card to connect it to the router and this used to start early in boot sequence ...
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0answers
555 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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1answer
370 views

Wifi continuously connects and disconnects and after computer crash

I'm a beginner on the Linux world. Last day I've installed Ubuntu 14.04 LTS on my desktop. This pc is connect to home network (where are other 2 computers with Windows 7) via usb Netgear Wifi Adapter ...
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1answer
105 views

Lubuntu network manager cumbersome [duplicate]

I've managed to connect my netbook to my home wireless, but I find the process cumbersome. Is there a way to have the system identify open wireless networks without me having to know the name? I ask ...
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1answer
2k views

SSH behind a NAT enabled router

I have a netgear router, and i installed openssh, now when i try ssh deadman@192.168.0.4 My ssh works fine and i am able to enter to the ssh terminal But when i try it with a remote terminal like ...
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2answers
730 views

Cannot connect to the internet after uninstalling kubuntu-desktop

I wanted to remove kubuntu desktop and its deps as suggested here: sudo apt-get remove akonadi-facebook akregator amarok amarok-common amarok-utils apport-kde apturl-kde ark audiocd-kio bluedevil ...
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1answer
404 views

Cannot connect to internet through ethernet

When I connect the ethernet to my desktop (13.10), it appears to establish a connection but I cannot access any web pages. If I connect the ethernet to my laptop (12.04.4) it works correctly. I have ...
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36 views

Wireless setup, Lubuntu 14.04 on Dell E6400 [duplicate]

I am using Lubuntu 14.04 on Dell E6400. Unable to see wireless connection. On running 'nm-applet' it shows "wireless connections available, please use network menu to connect to internet". However ...
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110 views

After update, can see connections, but can't connect

Recently I installed Lubuntu and everything was fine until I updated it. Suddenly I lost connection to the internet and I can't connect since (but connection was fine for a few minutes after rebooting ...
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1answer
150 views

Wireless network scan

I just installed with no problems Lubuntu on my Vaio pocket pc, wireless lan was detected and setup with fine from the beginning. I kept using my wireless connection to properly install updates, new ...
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1answer
320 views

ubuntu wired connection disconnected

My wired connection is disconnected, it was working perfectly until two hours ago, now i can't get it established. I'm using ubuntu 12.04 this is my ifconfig : ifconfig eth0 Link encap:Ethernet ...
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1answer
531 views

Setting up VMs on different subnets

I run a server on IP X.Y.3.7 and i want to run multiple VMs on it using libvirt. I set up a bridge device: auto eth0 iface eth0 inet manual auto br0 iface br0 inet static address X.Y.3.7 ...
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43 views

Using mobile phone's internet through bluetooth

How can I connect to a mobile phone through a bluetooth connection to use the mobile phone's internet connection?
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1answer
70 views

Where are the settings for 'iwconfig' stored?

I'm going to be fiddling around with my wireless card's settings by using iwconfig. Before doing this, I would like to back up my current settings in case anything goes horribly wrong. Where are the ...
2
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1answer
2k views

Error accessing files through Samba, cifs-utils and smbclient [closed]

I have strange errors trying to access files shared in our corporate Windows network. It started yesterday. First, I wasn't able to copy shared ISO image to my local directory: download stopped at ...
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1answer
74 views

Use Ubuntu & Windows in the same network and make share file

I work in a company that all of computers have Windows OS and we faced a lot of problems because of that ,now we want to migrate to Linux os like ubuntu , as our work is monitoring each person have to ...
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1answer
150 views

Ubuntu VPN Outside Network Connection Issue

I am having a strange issue when connecting to my VPN. It kicks me off the internet. I have it setup in 'Network Settings' (due to that is the only way I was able to get it to work) Now, while I am ...
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0answers
791 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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455 views

Cannot Download Charm From juju-gui

Trying to do a simple provisioning through juju-gui, i.e., Mysql and Wordpress combo; however, when I press the deploy button, I get the following notification: Error deploying mysql Could not deploy ...
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1answer
69 views

Connect to only one specific wireless network if available?

I have a home server running Xubuntu 12.10 and it is connected by WLAN to my home network. The problem is that when the router crashes, the server loses connection and tries to connect to another ...
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68 views

Log in through windows network and mount home via samba

I'm a teacher in high school and I would like my pupils use Linux instead of the old and broken Windows. Here is the description of the current network: the pupils log on Windows session through a ...
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1answer
6k views

RTL8101E/RTL8102E not working with ubuntu 14.04. HP G61

After searching questions, forums, guides, I could find any solutions that would fit the average Joe... Being Ubuntu, Linux for humans, I'll ask the question once again, trying to adjust the best ...