Managing and using network connectivity on a Ubuntu system

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148 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 ...
0
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1answer
560 views

Virtual machine in two subnets

I'm coming from networking where a router/switch has a separate interface for management. Therefore I want to understand how this is implemented for servers/virtualized servers. I have one subnet ...
0
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1answer
672 views

My Network Printer is printing smiley faces simultaneously!

I am a junior linux administrator at a university. We have installed a Xerox Phaser 3250 Network printer yesterday. We have installed it correctly on desktops with ubuntu 12.04. It works but it ...
0
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1answer
381 views

How to publish my joomla site on local server to the web?

I am looking to access my Joomla site that I have on my Ubuntu server from outside my local network. I'm a new to this world of web publishing. I know how to port forward with ex: No-Ip or Dyndns if ...
2
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1answer
566 views

help understanding iptables router script and error

Hello I have this routing script that I'm using which runs when all the network interfaces are up: #!/bin/sh PATH=/usr/sbin:/sbin:/bin:/usr/bin # # delete all existing rules. # iptables -F ...
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1answer
3k views

Installing Tata Photon Plus Dialer-Ubuntu 13.10

I am using Ubuntu-13.10. I bought a new Tata Photon Plus Prepaid connection (EC-156 Modem). I installed the dialer in my Windows Desktop Pc and it went fine. I tried to install the dialer software in ...
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2answers
2k views

wireless networking disabled by hardware switch. unblock only wifi?

I am using Ubuntu 12.04. when I do sudo rkill list all, I get : 0 phy0 : wireless LAN (soft and hard blocked : no) 1 brcmwl-0 : wireless LAN (soft and hard blocked : no) 2 dell-wifi : wireless LAN( ...
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1answer
385 views

12.04 computers can't “see” each other or 10.04 computer, but not vice-versa

There are three Ubuntu computers on our lan: 2 X 12.04, 1 X 10.04 and one Win XP. Each computer can ping the other. Using Places/Network: 1) The 10.04 computer lists: a) itself b)Windows Networks ...
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1answer
383 views

how do I access an external wireless network hard drive

I could access a 1tb Buffalo-link wireless drive with my old windows 7 laptop, and put a lot of media files on it. Recently I bought a Linux Ubuntu laptop and have tried to access it with the network ...
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2answers
9k views

Why do we need an IP address for a bridge?

A bridge is a layer 2 network device. On physical bridges we only have an IP address for operation and maintenance. I'm a little bit confused why we need in KVM an IP address for the bridge. I ...
0
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1answer
158 views

After deactivating NetworkManager, how do I add the DNS server address to resolv.conf?

I deactivated NetworkManager with sudo apt-get remove network-manager because I want to have all network configuration in /etc/network/interfaces. After system restart, I see that cat ...
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0answers
431 views

Why is the wifi network visible to everybody but me?

Recently my flatmate changed the maximum number of devices that can connect to our Wifi and since then I cannot see our Wifi network. I am the only one in my household using Ubuntu. I logged into our ...
2
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2answers
3k views

WiFi Hotspot not working with mobile devices on Ubuntu

WiFi hotspot not working with windows phone 8 and of course its not working with a any other phones as well. I have tried both Android and Windows phone 8. Either of these devices doesn't even detect ...
0
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1answer
48 views

Ubuntu doesn't detect wifi-reset network scripts

I am a new user of Ubuntu. Recently I was trying to set up an infrastructure hotspot in Ubuntu to connect my Android to the eth connection, following some answers given in this forum. However it did ...
0
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2answers
571 views

A wireless USB receiver that works out of the box on Ubuntu

I have a desktop computer with no wired internet access; however, I do have access to a wireless connection. I am running Ubunt 13.10. I do not have a builtin wireless on this desktop, so I am ...
0
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1answer
158 views

I am using Ubuntu 13.10 and i can not access some website. my internet is wired (DSL)

I have some problem for quite some time in Ubuntu connecting to particular sites like: http://www.thedailystar.net/ http://www.ixwebhosting.com/ I have tried various browsers, like Firefox, Chrome, ...
0
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2answers
742 views

Where is OpenVPN's client configuration from Network-manager's OpenVPN plugin?

I know how to write and when to put OpenVPN's config files for clients but I would like to be able to see the config files generated by network-manager-openvpn plugin. (For instance to change logging ...
0
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1answer
536 views

Ubuntu Server setup, sync folders, available offline, music etc

I am setting up a Ubuntu Server (13.10) for my home network and need some suggestions on how to go about setting up shares, offline files etc. Here is what I am trying to accomplish: Ability to have ...
0
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1answer
3k views

Install Asus AC-53 Wireless Adapter

Just installed Ubuntu alongside Windows. Unfortunately, I require an Asus AC-53 USB wireless adapter to connect to my home network. How can I get this adapter to work with Ubuntu? I haven't yet ...
0
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1answer
60 views

Connecting Windows to Ubuntu

I'm looking to get a little help in configuring my Kubuntu Desktop. My goal is to have my Windows PC connect via Ethernet to the Kubuntu system via Remote desktop and then use kubuntu to browse the ...
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0answers
1k views

adding request to DHCP starvation using Scapy?

using this code for DHCP Starvation conf.checkIPaddr = False ...
52
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11answers
173k views

List all MAC addresses and their associated IP addresses in my local network (LAN)

How can I list all MAC addresses and their associated IP addresses of the machines connected to my local network (LAN)?
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1answer
35 views

New to Linux - Need Suggestions on Hardware that is compatiable

I want to either build a tower or use my Lenovo TS130 server with Ubuntu. My goal is to do RAID 1 on the tower and install Ubuntu. The purpose of this machine is to use it as a file server for my ...
0
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1answer
363 views

How to force wireless to reconnect when connection has been lost

I am running Ubuntu Server 13.10 (Saucy) on my at home server. It connects to a wireless router using an Intel wireless PCI-express card. For the most part it works fine but occasionally I have to ...
10
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2answers
3k views

How can I configure my headless server to connect to a wireless network automatically?

I'm setting up a headless server, but I don't have ethernet access where I want to put it, so I need it to automatically connect to my WiFi network when it boots up (it has a wireless card). I can ...
2
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1answer
4k views

Why is ifup not running all of the if-pre-up.d scripts?

$ ll /etc/network/if-pre-up.d/ total 20 drwxr-xr-x 2 root root 4096 Jan 15 16:43 ./ drwxr-xr-x 7 root root 4096 Jan 14 21:29 ../ -rwxr-xr-x 1 root root 344 Apr 28 2012 ethtool* -rwxr-xr-x 1 root ...
0
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1answer
990 views

dhclient.conf supersede stanzas ignored

I'm putting the following lines at the top (also tried the bottom) of my dhclient.conf file: send host-name "hostname"; supersede domain-name "my-domain-name" supersede domain-search "my-domain-name" ...
0
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1answer
2k views

Can't Connect to MySQL via CLI or phpMyAdmin, but WordPress still connects fine

This is the first time I've had to reach out for a question -- I'm truly stumped. I have mysql up and running on a linux server (Ubuntu) and this morning tried to login to phpMyAdmin. I received an ...
0
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1answer
1k views

whois with IPV6 support

I just tried a whois on an incoming IPV6 address. The whois program recommends an upgrade. But to what? I already have the latest version in the repo. Is there a different program for IPV4/6 client ...
0
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1answer
89 views

How can I specify or query the order DNS servers will be queried?

For some reason I am not hitting the DNS server I am expecting to hit. I have a wireless connection with a VPN on top of it. I have set both of the connections to use a specific set of DNS servers ...
1
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1answer
3k views

Use Nautilus to open an SSH connection using hostname

I'm trying to SSH another machine on my LAN using the hostname because the local IP address gets re-assigned somewhat regularly (we have issues with our ISP and frequently have to reset our network). ...
0
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1answer
691 views

Unable to configure wireless/bluetooth on laptop

I have an HP Compaq nx7400 laptop that has previously been running Windows 7. Since I have an additional PC with Windows 7 that serves as my main tool, I have decided to try the latest Ubuntu 13.10 on ...
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1answer
337 views

How to set up VOIP in ubuntu [duplicate]

I am running a small business unit on agency recruitments. Need to know about setting up a VOIP service to call USA/Canada.. We have around 20 phones on line and we operate from bangalore. What ...
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4answers
136 views

When exactly SSH-agent use my private_key to connect remote server?

I need some basics about SSH, because I dont understand some little things that helps me understand the process of SSH connecting. I have Ubuntu server on my virtualbox and Ubuntu desktop on my host. ...
2
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0answers
30 views

wifi not working in ubuntu 13.04 on lenovo g430 [duplicate]

I have lenovo g430 system in which my wireless card is bcm4312 . i just installed ubuntu 13.04 on my lenovo system along with windows 7 . All things are working properly except my wireless not ...
1
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0answers
223 views

How to install network drivers via terminal?

I have a PC with: 32GB RAM 1T harddisk 8 core cpu ubuntu server 12.04 I installed virtualbox and created four VMs. I think my mistake was I didn't leave any space for the host so I got "The ...
0
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1answer
159 views

Waiting For Network Config and Purged Network Manager in 12.04

I am very new to Ubuntu and I love it dearly, however recently I had an error pop up which said: 'E:Encountered a section with no Package: header, E:Problem with MergeList ...
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2answers
250 views

Unable to get PCI Ethernet connected on Ubuntu 12.04 Server

First off, it might be useful to explain that my local network setup is: [Internet] <---> [192.168.1.1] <---> [10.10.10.1] <---> [Computer] so, the router at 10.10.10.1 is the ...
0
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1answer
208 views

Decrease in Network Speeds On 12.04

I have a newish 12.04 box that I converted from FreeNAS due to the difficulty with the FreeNAS operating system and slow transfer speeds over gigabit ethernet. I got 12.04 setup without many ...
0
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1answer
848 views

Wicd does not like to reconnect upon resuming in the same or different location

Ubuntu 13.10 - Samsung Series 9 - Wireless connection only Issue: Wicd does not automatically re-connect after the laptop is suspended. This happens when the laptop is turned back on in the same ...
0
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1answer
977 views

How to mount network drive so that it can be used from applications and on wifi

I wish to set up a network drive for storing my personal photos. I already have a server and a 'pictures' user on the server. I planned to store the photos in the home directory of this user. I ...
2
votes
3answers
9k views

How to find name of currently-active network interface?

I need to get the name of the network interface (e.g. eth0, wlan0) that is the currently-active one, the one sending and receiving traffic at the moment. When it's connected to WiFi, it would be wlan0 ...
0
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1answer
98 views

How to start networking service

When I write below commands it says job failed to start. Actually I don't want to write a command every time. So how can I start my network service automatically? sudo /etc/init.d/networking start ...
0
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1answer
241 views

OpenVPN and the NetworkManager plugin - Advanced Settings Questions

I just set up OpenVPN and the network manager plugin. I purchased VPN service from PrivateInternetAccess.com. It works fine but only when the Cipher and HMAC Authentication under the advanced ...
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2answers
206 views

Can both NICs be in the same subnet?

I have a requirement for which I have to put both the interfaces(eth0 and wlan0) of Ubuntu 12.04 PC in the same subnet. As far as I understand, this should not create a problem but I wanted to ...
0
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2answers
24k views

How to add route after connecting to openvpn server?

I'm trying for several days now to solve my problem. I have been using openvpn for windows for quite a while and after replacing windows with ubuntu 13.10, I was happy to see that openvpn is available ...
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1answer
189 views

Share wifi. Ubuntu PC needs to share Widows 7 wifi to access internet

I have not found this exact question ( I think, or I just don't get it ). ** Goal: Get my Ubuntu PC on the internet. ** ** Problem: No direct network access at all on Ubuntu. ** ** Set-up: ...
2
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1answer
3k views

How to protect my PC from netcut users? (ARP spoof)

In my campus, some people they are using netcut in Windows and they are blocking us not to use Internet. Since I am a Ubuntu user, I can't install neither nutcut nor netcut-defender to protect and ...
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1answer
199 views

Hidden Interface configuration?

During installation of Ubuntu server 13.04, I configured the primary ethernet interface. This interface is visible in the /etc/network/interfaces file. The system has two additional interfaces which ...
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1answer
113 views

Ubuntu Server 12.04.3 LTS No Internet connection

my ubuntu server is no longer accessible to the internet. during boot it will say waiting for network configuration then waiting up to 60 more seconds for network configuration then it just ...