Managing and using network connectivity on a unix system

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2answers
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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
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1answer
4k 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?
14
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5answers
10k 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 ...
7
votes
3answers
194 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
205 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 ...
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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
462 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 ...
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8answers
4k views

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

Please give a brief description for each tool.
7
votes
5answers
8k 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
11k 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 ...
14
votes
9answers
866 views

Simple file transfer

Given two Linux boxes on a LAN, what's the simplest way to transfer files between them?
13
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1answer
25k 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 ...
14
votes
5answers
4k 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 ...