0
votes
0answers
9 views

Origin of environment variables in scripts under /etc/network/if-*.d

I'd like to pass some configuration options to the script /etc/network/if-pre-up.d/ethtool, which looks like this on my system: #!/bin/sh ETHTOOL=/sbin/ethtool test -x $ETHTOOL || exit 0 [ ...
1
vote
0answers
47 views

How to configure a lan connection for to computers in ubuntu 14.04

I am a student and I really need this for a project. I need to know how can I configure a LAN connection in ubuntu . where should I start from? which commands should be used in terminal?
0
votes
0answers
11 views

changes in etc/dhcp/dhclient.conf get ignored

Im wanting to never use a specified DNS Server so I tried using reject ip address as suggested here to my question: How to make Ubuntu never use specified DNS server? (DNSLeak issues) but setting ...
2
votes
1answer
189 views

Why does my static IP address change itself every 24 hour period?

I'm using Ubuntu as a server running tomcat for a web application and my static IP changes every 24 hour period from xxx.xxx.xxx.100 to xxx.xxx.xxx.102 and because of that I have to restart my ...
0
votes
0answers
14 views

How can I save this configuration permanently? [duplicate]

sudo iptables -t nat -A POSTROUTING -s 10.10.0.0/16 -o eth0 -j MASQUERADE
0
votes
2answers
86 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
votes
0answers
100 views

DNS Server problems : Server not found

I am having two problems with my DNS server. My 1st problem is that I get the error "Server not found" when I type in my site in firefox. Problem two is if I type in the IP I get this. Index of / ...
0
votes
1answer
166 views

Wifi does not work with internet

I just cretaed a dual boot Windows/Ubuntu. My Wifi works properly in windows, but it does not let me go on the Internet when in Ubuntu. DHCP seems to work since I apparently received a 192.168.1.3 ...
1
vote
1answer
1k views

What is the structure of network managers system-connections files?

could anyone list the complete structure of the configuration files, which network manager stores for known networks in /etc/NetworkManager/system-connections for known networks? Sample (filename ...
0
votes
1answer
503 views

Cant connect to Ethernet after system installation (Ubuntu Server)

hi im new to linux server edition, and i have installed linux ubuntu server edition on a computer. But under the installation i skipped the network configuration, and now i dont know how to connect to ...
0
votes
0answers
44 views

Why are there two configuration files / areas for SMB / Samba?

Why are there two places that Samba shares may be configured in Ubuntu? I'm running Ubuntu 12.10 Desktop and noticed that the GUI-based share configuration program sets up shares in the ...
0
votes
1answer
874 views

Booting system without full network configuration, how to reverse?

Hi I am running Ubuntu 12.04 LTS and I have not been able to connect to the internet through a cable from the satellite. So I found the following advice: start the terminal and type gksu gedit ...
0
votes
3answers
6k views

Minidlna Directory Issues

I've done my searching and can't find an answer to THIS specific issue. I have my minidlna set up and running - but it's not really done properly. First off, when I open the server on my bluray ...
0
votes
1answer
921 views

network interface (onboard wired) is showed p5p1 instead eth0

I've running Ubuntu 13.04 on my computer and it's ok. But some softwares like media servers don't work well. They search network interface eth0 and Ubuntu 13.04 named it p5p1. So my media server ...
0
votes
1answer
785 views

Ubuntu 13.04 Network Configuration

I recently bought a new Linksys E3200 router, and after much trouble, got it working, but I can only connect to it via Static wireless settings in my Connections Manager. I want it to be DHCP ...
0
votes
0answers
29 views

Regarding ethernet card detection in Lenovo G1580

I am using LENOVO G1580 laptop. I have installed Ubuntu 12.10. The Operating System is not detecting ehernet card. Therefore I am unable to configure network. If any dependency or patch is available ...
0
votes
0answers
317 views

network interface doesn't come up at boot 12.04

I have to disable networkmanager and enable eth0 (and virtual IP for eth0:0) Following this link the eth0 comes up at boot but the eth0:0 does not. which enables the safefail and makes the system ...
1
vote
0answers
68 views

Necessary to add dns-nameservers and such in interfaces for IPv4 and IPv6?

Simple question, but haven't found an answer anywhere, so turning here: When setting up /etc/network/interfaces do I have to set up the dns-nameservers line both for the inet and the inet6 parts of ...
1
vote
1answer
438 views

Configure a network card on public IP and Wifi usb dongle on LAN

I have an Ubuntu Server running on 12.04.1 LTS with the GUI installed too. My server has an internal gigabit ethernet card which is configured to serve a web app on a Public IP. At this point I did ...
7
votes
3answers
928 views

Is there a tool for validating /etc/network/interfaces files?

I always like to test new config files before deploying them--with tools like apachectl configtest and named-checkconf. It's rare that mistakes crop up, but catching them before deployment ...
1
vote
2answers
3k views

(Solved) ERROR: Packet source 'wlan0' failed to set channel 2: mac80211_setchannel() in Kismet and Ubuntu 12.10

I have installed Ubuntu 12.10 in my computer with an Atheros AR5007 wireless card. I want to use Kismet but when I run it it starts displaying the message: ERROR: Packet source 'wlan0' failed to set ...
1
vote
2answers
151 views

Mirroring Ubuntu on several systems in a computer lab [closed]

I am working in a new refugee school where the only Internet service available is a slow satellite connection. We are about to set up a computer lab (already have desktop systems and am about to ...
0
votes
1answer
1k views

How to change wlan0's channel

When setting the channel to wlan0, I get an error: SET failed on device wlan0 ; Device or resource busy. I tried to shutdown wlan0 by: sudo ifconfig wlan0 down and wlan0 did not appear in the ...
19
votes
3answers
113k views

How to setup static IP in Ubuntu Server 12.04?

sudo apt-get update sudo apt-get upgrade ifconfig sudo nano /etc/network/interfaces auto eth0 iface eth0 inet static address 192.168.1.150 netmask 255.255.255.0 network 192.168.2.0 broadcast ...
1
vote
1answer
4k views

How do I make network configuration changes permanent? [closed]

I managed to get 12.0.4 Cloud Server with MAAS installed. I have no GUI, and I like it that way I am learning a lot. But now I'm running into several issues. I want to be able to make my IP static ...
6
votes
3answers
2k views

Is there a way to use Tor system-wide?

Almost everything is blocked where I am and I need to use a transparent proxy to access anything. I tried using Tor (online anonymity software) but it doesn't work for all the system applications. I ...
2
votes
2answers
910 views

after upgrade wifi icon missing

I am using Ubuntu 12.04 (didn't really want to, was perfectly happy on 10.10, but got tired of the constant warning that my distribution was no longer supported). After a recent install of updates the ...
1
vote
2answers
961 views

Booting without network configuration

I use a PC and a laptop both on Ubuntu 11.10. PC uses internet with lan cable from ADSL modem while laptop uses wifi. Only in my laptop I get this message that booting without network configuration. ...
2
votes
1answer
4k views

What (if anything) is the Ubuntu equivalent of network-scripts?

I've just made the switch from Red Hat Enterprise Linux to Ubuntu Server, and need to do network configuration with static IP addresses, multiple Ethernet interfaces, channel bonding for redundancy, a ...
2
votes
1answer
2k views

'waiting for network connection' error on boot

When I start my system, all the process is perfectly normal, until this message appears: 'waiting for network configuration' after that one there comes 'waiting up to 60 more seconds for network ...
5
votes
3answers
8k views

How to find which WiFi frequencies are being used the most near by?

We have a lot of WiFi connections nearby and I'd like to know which band has the least interference. I'd like to to know how many connections are on each band and pick the best to configure my router ...
1
vote
1answer
191 views

How to connect to homepage after creating it with a python webframework (hyde) from an other machine in the same network?

I created a website on a server with hyde. After installing hyde on a Ubuntu machine, I followed these steps: Temrinal: $ hyde -s /path/to/mysite create $ cd /path/to/mysite $ hyde gen $ hyde serve ...
6
votes
3answers
2k views

How to dynamically enable and disable ipv6 on an interface

How to dynamically enable and disable IPv6 on an interface so that it gets link local address when enabled? I have tried: sysctl net.ipv6.conf.all.disable_ipv6=1 to disable IPv6 and sysctl ...
3
votes
2answers
4k views

Can't get ipv6 address using dhcp

I can get the ipv4 address using dhcp,But can't get the ipv6 address. the dhcp server also support the ipv6 service. ifconfig eth0 eth0 Link encap:Ethernet HWaddr: 00:21:85:d3:a3:36 ...
1
vote
0answers
370 views

How to configure nokia 2700c phone in wammu? [closed]

my phone is nokia 2700c (java phone).please help me to connect it on wammu and gmobilemedia application with datacable.
2
votes
2answers
2k views

Configuring ethernet network

I've got a wired network connection and if I'm using network manager (hereafter "NM") everything works fine except for the hardware address (it doesn't change). I'm thinking of using ...
4
votes
2answers
2k views

How to set up an ethernet and wireless network using /etc/network/interfaces?

Currently I have ethernet and wireless networks configured through a network manager (further NM) but it seems to be a bit buggy (I need a different MAC for ether which is never applied if using NM), ...
3
votes
1answer
2k views

Can NetworkManager be used on a server?

On a desktop machine, there's a GUI component to control the connections. But on a server, usually no user is present. How do I need to configure NetworkManager to work on a server? Where are the ...
5
votes
2answers
789 views

LAN visibility and network sharing

I have two Ubuntu machines with wifi network cards configured as DHCP interfaces. machine1: inet addr:192.168.168.105 Bcast:192.168.168.255 Mask:255.255.255.0 Gateway: 192.168.168.252 machine2: ...
7
votes
2answers
3k views

Sharing an internet connection through the Ethernet port

I have a small living room PC (Bohica, running fully-updated Ubuntu 10.10/Maverick) connected to my HDTV that I use for web browsing and media streaming. It connects via WiFi (wlan0) to my Fedora ...
0
votes
2answers
568 views

Trouble shooting internet connection problems?

Just installed a wireless USB driver using ndiswrapper. The icon and menu options "says" I'm connected; meaning that I'm able to disconnect, connect, etc., but Firefox is not connecting to the ...
5
votes
4answers
6k views

New MAC-address, now I have no network-access

I run Ubuntu Server 10.10 in VirtualBox with Windows as host. Accidently I choosed to generate a new random MAC-address for my Ubuntu machine in VirtualBox. And now when I have booted my Ubuntu with ...
27
votes
7answers
1k views

What precautions should I take when exposing my desktop directly to the internet?

I've always used my Ubuntu desktop behind the security of a router with NAT, but there have been a few times when I've had to plug it directly into an active cable modem. In general, what precautions ...
2
votes
2answers
451 views

Virtual Ubuntu Network Configuration

I have Ubuntu as main OS. I have created virtual Ubuntu in Sun VirtualBox and I get this error: can not connect(ssh)/ping computers in local network. If I configure network manually I even can not ...