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Linux Server Hobby
Post 302108187 by BOFH on Friday 23rd of February 2007 04:02:56 PM
02-23-2007
It really depends on what you want to do. Sharing printers/file systems? Internet protection? Wireless? Just learn Linux?
Planning is always the first stage. What are you trying to achieve? What do you have available to use? Old machine kicking around for example. What is your current connectivity? Cable modem, DSL, ISDN, Pringles Can? Do you want static IPs or Dynamic (DHCP)?
My system runs off Comcast cable. The cable modem plugs into one of the interfaces on a Mandrake Linux firewall. The firewall block all inbound requests so no hacking allowed
I have two additional interfaces. One is the wireless interface. It plugs into an Apple Extreme. The extreme base station is as locked down as it can be and the firewall treats it like another internet access point. Data is passed through to the internet but you can't ssh to the firewall. It's also setup for DHCP.
The other interface goes to the internal network. First is a Linksys router. My main computer is plugged into that. In addition, two DLink switches are plugged in to the Linksys.
One of the switches goes to my workstation (I work from home). My VoIP, Sun Enterprise 250 (Sol10), one Sun Ultra 60 (Sol7/8), and work laptop are plugged into that.
The other switch has my wife's old computer, my OpenBSD website mirror, and my other Sun Ultra 60 plugged in.
All the cables are labled (just numbers) on either end. Each of the switches/routers have labels to show what's plugged in where. Heck I have a rack for the computers Both of our personal laptops (her XP, me Mac PBG4) come in through the wireless connection.
I don't use DHCP on my unix boxes only because I want to ssh over from the mac/xp boxes and I don't want to hunt down the generated IP address. Recently my Linksys went south. I unplugged it, put the new one in place, uploaded the configuration (I saved it) and I was back in business.
But I have a lot of systems. If you just have a couple, a linksys router plugged into the cable modem would work fine. Then plug your linux and windows or mac box into the router and you're up and running.
Carl
Planning is always the first stage. What are you trying to achieve? What do you have available to use? Old machine kicking around for example. What is your current connectivity? Cable modem, DSL, ISDN, Pringles Can? Do you want static IPs or Dynamic (DHCP)?
My system runs off Comcast cable. The cable modem plugs into one of the interfaces on a Mandrake Linux firewall. The firewall block all inbound requests so no hacking allowed
I have two additional interfaces. One is the wireless interface. It plugs into an Apple Extreme. The extreme base station is as locked down as it can be and the firewall treats it like another internet access point. Data is passed through to the internet but you can't ssh to the firewall. It's also setup for DHCP.
The other interface goes to the internal network. First is a Linksys router. My main computer is plugged into that. In addition, two DLink switches are plugged in to the Linksys.
One of the switches goes to my workstation (I work from home). My VoIP, Sun Enterprise 250 (Sol10), one Sun Ultra 60 (Sol7/8), and work laptop are plugged into that.
The other switch has my wife's old computer, my OpenBSD website mirror, and my other Sun Ultra 60 plugged in.
All the cables are labled (just numbers) on either end. Each of the switches/routers have labels to show what's plugged in where. Heck I have a rack for the computers
Both of our personal laptops (her XP, me Mac PBG4) come in through the wireless connection.I don't use DHCP on my unix boxes only because I want to ssh over from the mac/xp boxes and I don't want to hunt down the generated IP address. Recently my Linksys went south. I unplugged it, put the new one in place, uploaded the configuration (I saved it) and I was back in business.
But I have a lot of systems. If you just have a couple, a linksys router plugged into the cable modem would work fine. Then plug your linux and windows or mac box into the router and you're up and running.
Carl
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LEARN ABOUT DEBIAN
pppoe-sniff
PPPOE-SNIFF(8) System Manager's Manual PPPOE-SNIFF(8) NAME
pppoe-sniff - examine network for non-standard PPPoE frames SYNOPSIS
pppoe-sniff [options] DESCRIPTION
pppoe-sniff listens for likely-looking PPPoE PADR and session frames and deduces extra options required for pppoe(8) to work. Some DSL providers seem to use non-standard frame types for PPPoE frames, and/or require a certain value in the Service-Name field. It is often easier to sniff those values from a machine which can successfully connect rather than try to pry them out of the DSL provider. To use pppoe-sniff, you need two computers, a DSL modem and an Ethernet hub (not an Ethernet switch.) If the DSL modem normally connects directly to your computer's Ethernet card, connect it to the "uplink" port on the Ethernet hub. Plug two computers into normal ports on the hub. On one computer, run whatever software the DSL provider gave you on whatever operating system the DSL provider supports. On the other computer, run Linux and log in as root. On the Linux machine, put the Ethernet interface into promiscuous mode and start pppoe-sniff. If the ethernet interface is eth0, for exam- ple, type these commands: ifconfig eth0 promisc pppoe-sniff -I eth0 On the other machine, start your DSL connection as usual. After a short time, pppoe-sniff should print recommendations for the value of PPPOE_EXTRA. Set this value in /etc/ppp/pppoe.conf. If pppoe-sniff indicates that something special is required in PPPOE_EXTRA, please e- mail this to pppoe@roaringpenguin.com along with the name of your ISP and the manufacturer and model number of your DSL modem. This infor- mation will be collated and provided on the PPPoE web page for users who do not have two computers. After pppoe-sniff finishes (or you stop it if it seems hung), remember to turn off promiscuous mode: ifconfig eth0 -promisc OPTIONS
-I interface The -I option specifies the Ethernet interface to use. Under Linux, it is typically eth0 or eth1. The interface should be "up" and in promiscuous mode before you start pppoe-sniff. -V The -V option causes pppoe-sniff to print its version number and exit. BUGS
pppoe-sniff only works on Linux. AUTHORS
pppoe-sniff was written by David F. Skoll <dfs@roaringpenguin.com>. The pppoe home page is http://www.roaringpenguin.com/pppoe/. SEE ALSO
pppd(8), pppoe(8), pppoe-sniff(8), pppoe-relay(8), /usr/share/doc/pppoe/README.Debian.gz 4th Berkeley Distribution 3 July 2000 PPPOE-SNIFF(8)