Managing and using network connectivity on a unix system

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6
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2answers
5k views

How do I add an entry in /etc/fstab for a windows share?

I want to be able to mount our file server's file share (on a Mac OS X server, shared via AFP and Windows File Sharing) on my Ubuntu 10.10 linux laptop. I want to be able to mount it as my normal ...
3
votes
3answers
2k views

On Gentoo, what is loading up my network interfaces?

I have 2 networking interfaces eth0 (wired) and wlan0 (wireless). Every time the computer boots it tries to bring up both. Most often when there is a LAN cable I don't need wlan0, and vice versa, so ...
8
votes
1answer
448 views

Bandwidth control in linux

How do I control both the inbound and outbound bandwidth in a RHEL 5 router?
1
vote
1answer
344 views

How to do a recursive download with gwget (wget frontend)?

I usually run wget with the -np -r options, but it doesn't include a preview of the queue size, so I'm checking out the wget frontend gwget (on debian). I can't get the recursive option to work; does ...
3
votes
3answers
707 views

How to calculate the volume of data transferred between two Unix machines

I have two Linux machines that keep pinging each other. With each ping request they attach a data packet in the response. The frequency of the pings can not be determined. How do I determine how many ...
2
votes
1answer
2k views

Setting up a wireless to ethernet bridge

I am trying to set up a temporary network using the following hardware [Wireless Router]))) )) ) [laptop] ----- [Desktop] ^wifi (debian) ^ethernet ^(3com Audrey) Looking ...
3
votes
2answers
6k views

How to use iphone internet tethering via USB with Ubuntu 10.04

What are the steps to use iPhone 3G internet tethering via USB on Ubuntu 10.04? Is there software I need to install on Ubuntu for this? The tethering works fine on Windows.
9
votes
3answers
4k views

Can't access select https sites on Linux over PPPoE

My internet connection used to be a direct LAN connection to my provider. Back then, everything would load fine on both Windows and Ubuntu (dual boot). However, a while ago they started needing me to ...
8
votes
1answer
1k views

Dual network connection

I have a usb cellular modem and a Home LAN connection on my Ubuntu 10.10 box. Both work independently. I want to know how to have both connected at the same time, and be able to specify which ...
4
votes
1answer
992 views

Tunnel through a NAT

I have a router that provides internet connection to a single client device via a wireless cellular data network. This network provides non-public IP addresses which gets natted. I would like to get a ...
2
votes
2answers
7k views

Configure Atheros AR9285 wireless in Gentoo

My laptop has an Atheros AR9285 wireless card. By following the "Network Configuration" section in the Gentoo handbook I chose the ath9k module. The modules seem to be loaded correctly: # lsmod | ...
1
vote
1answer
460 views

Stuck on “Determining IP information for wlan0” at boot

In my struggles to install ClearOS correctly, I now have another problem: After the first boot I keep getting stuck on "Determining IP information for wlan0...". It doesn't move forward at all. I've ...
4
votes
5answers
426 views

Network monitoring tool

I'm basically looking for a utility that displays which processes are using how much bandwidth, similar to how top displays which processes use how much resources.
5
votes
2answers
2k views

What file do I have to edit to make static DNS server in CentOS?

Almost every distro I know will wipe /etc/resolv.conf on reboot (I think DHCP does this) and thus the place to add static DHCP entries varies per distro. How do I add static DNS servers to a CentOS ...
3
votes
2answers
2k views

Run daemon on startup in Fedora 13 after wireless interface is up

I want to have radvd (the IPv6 router advertisement daemon) run on startup on Fedora 13. However, the network interface that it will use must be up, otherwise the daemon won't start. If I run the ...
2
votes
2answers
1k views

DSL connection not working in Ubuntu 10.04

I use a wired PPPoE connection to connect to the Internet. What I need to do on Windows to connect to it is put in static IP address, gateway, subnet mask and DNS servers for my LAN card. Next I have ...
3
votes
1answer
310 views

Trying to set up a server/workstation SLED environment

I'm considering a number of desktop distros for use in our office. It seems like SLED matches what I want more than any other distro, especially home user focused distros. In an attempt to learn more ...
3
votes
2answers
985 views

Difference between wget versions

I have problem with wget behavior for 1.10 and later versions. I am using wget to download a report from my app. version 1.10.2: >wget-1.10.2.exe --http-user=trader --http-passwd=trader ...
1
vote
1answer
271 views

VPN issues on web browsing

I'm using Ubuntu Maverick and this is the setup: Our router connects us to the company's VPN through which we can access some internal websites. I have to connect also to a customer's VPN in order to ...
1
vote
1answer
522 views

How would I go about getting UPnP working on a Slackware server/firewall?

I'm a long time fan of Slackware and I've always had a machine serving as my main server/firewall with the latest version installed. I have it now but I'm struggling to find information on how to ...
-2
votes
2answers
8k views

How to run “sudo apt-get update” through proxy in commandline?

In my office I want to update and download through wget and here they are using a proxy. How can I get wget to use the proxy from the command-line?
2
votes
3answers
1k views

Static DNS setup on client of shared internet connection

I've 2 linux computers, one redhat (client), and one ubuntu (set up with shared internet connection as described here) At the moment, on the wired connection between the computers, I can ping the ...
4
votes
3answers
22k views

How do I mount a WD MyBook World network drive in linux?

I have a WD MyBook World NAS on my home network. I currently use this for Time Machine backups for my Mac but I'd also like to use it as a backup location for my linux box which is running Ubuntu ...
3
votes
2answers
510 views

PPC Debian: eth0: switching to forced 10bt / 100bt

I recently installed debian on an old G4 iMac, and everything is working fine except that the console is constantly spammed with alternating eth0: switching to forced 10bt eth0: switching to forced ...
7
votes
1answer
1k views

Shaping outgoing traffic with iptables

On my laptop, when I run any downloads, torrents, etc, browsing is crippled. I read somewhere that you could configure your iptables powered router to prioritize certain network traffic. Could I do ...
3
votes
3answers
2k views

Using bridge utils to connect two computers via Linux

I have been using bridge utils previously to connect my network connected computers to a single interface on my Linux computer. The problem I'm having is when I installed a new Linux (with Slackware) ...
4
votes
3answers
2k views

How do I get a mapping of Pid to Port?

I have a process which I need to run on a specific port. I have started some other process on that port and I need to kill it. Unfortunately, I don't remember the name/pid of the other process so I ...
4
votes
2answers
449 views

/mnt Directories Disappearing

I'm trying to mount some smb shares on bootup using fstab on a Kbuntu box. Here are the steps I using to accomplish this: sudo mkdir /mnt/MyShare Then I add this line to my fstab file: ...
1
vote
1answer
495 views

Unexplained Log Cruft and Possible Dropped Packets on WPA2-Personal LAN

I've been receiving a LOT of log cruft ever since I installed my Linksys Rangeplus USB WUSB100v2 (using the rt2870sta community driver from the Linux kernel) and was wondering what it all meant. Many ...
4
votes
2answers
2k views

wireless networking

When I connect my laptop to a wpa2 secured router, using wicd I don't have any connection problems. BUT when I connect with the following command-line command ( as outlined here ) UPDATED: ...
7
votes
1answer
5k views

What is the loopback interface

What is the loopback interface and how does it differ from the eth0 interface? And why do I need to use it when mounting an ISO or running a service on localhost?
15
votes
5answers
12k views

Sending audio through network

This is a rather crazy idea. I am planing to set up a configuration that would send audio being played on my laptop to my home server via local network so that the sound is played on the server ...
4
votes
4answers
2k views

Connecting to a network via another pc

What's a simplistic recipe to connect my PC to my WLAN through my laptop? I have one wireless network, one desktop that (for practical reasons) has no connection to the WLAN, and one laptop with ...
8
votes
3answers
197 views

Setting up a unix powered network

I want to set up several computers on a LAN, all connecting to one unix server. The primary goal being that the user accounts should only exist on the server. So that any user could access his normal ...
2
votes
1answer
2k views

Can't reach DNS through wireless router

I've got a Ubuntu 10.04 laptop, and recently it's had some odd networking problems. It's on the home wireless router, supplied by the phone company, and has no problem talking to anything on the ...
2
votes
1answer
231 views

Neworking getting Disabled

I am using Fedora 13 and its working great. The only problem which I am facing is that the networking gets automatically disabled if I put my system on the "SUSPEND" mode for > 30mins. I am unable to ...
8
votes
2answers
2k views

How to power off a system but still keep it available on the network

I'm looking into installing a file server on my network, for serving data and backups. I want this machine to be available at all times, but I would rather not keep it on all the time (as to conserve ...
4
votes
1answer
2k views

multigateway routing for specific src port

I have two gateway to access internet, somehow I want to load balancing it, so far its working, but some connection or service need persistent gateway IP to be used, so the client should never change ...
2
votes
1answer
476 views

Is PXE in a 802.1x network for LTSP possible?

I have an LTSP server in a network that requires 802.1x authentication. Is it possible to boot the terminals through PXE without disabling the 802.1x authentication? If not, are there alternatives to ...
4
votes
2answers
2k views

How to interpret traceroute information?

For example in this pic taken from Wikipedia [Bigger Version] What are all these 12 server names that are listed? I know they are servers that are supposed to be the path that the network packet ...
5
votes
1answer
1k views

Automatically mount network drive when available

I have a NAT drive, that is accessible via SMB. I have an entry in fstab to mount it at boot. But if the drive is not switched on it is not mounted during boot and I have to manually mount later. (The ...
13
votes
3answers
1k views

Can I limit a user (and their apps) to one network interface?

As the title really. I've actually got two scenarios to apply this: Multiseat Desktop: two network connections both with internet gateways and two accounts doing bandwidth-intensive tasks on each. I ...
12
votes
8answers
5k views

What are some common tools for intrusion detection? [closed]

Please give a brief description for each tool.
8
votes
5answers
10k views

Why is this network connection so slow?

I am having some problems with network performance speed on a Linux server running Ubuntu 9.10. Transfer speeds on all types of traffic are around 1.5MB/s on a 1000mbit/s wired ethernet connection. ...
5
votes
5answers
12k views

How to route specific adresses through a tunnel?

There are certain websites/services which I can only access from the subnet on which my server is located (think of the typical intranet scenario). Is there a way to transparently route traffic that ...
15
votes
9answers
957 views

Simple file transfer

Given two Linux boxes on a LAN, what's the simplest way to transfer files between them?
14
votes
1answer
28k views

FreeBSD: How to fix “ping: sendto: No buffer space available”?

I'm trying to ping a remote host, but I get an error. # ping 192.168.80.1 PING 192.168.80.1 (192.168.80.1): 56 data bytes ping: sendto: No buffer space available ping: sendto: No buffer space ...
15
votes
6answers
5k views

What is using this network socket?

I'm trying to use NTP to update the time on my machine. However, it gives me an error: host # ntpdate ntp1.example.org 10 Aug 12:38:50 ntpdate[7696]: the NTP socket is in use, exiting What does the ...