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Hi, I'm very new with Linux so I have few questions about it
1. Can I, as I've been told to, install and set up Mandrake 9.1 for firewall (internet server-gateway) ?
2. Is it neccesary to start KDE desktop? Or, can I have it running in some "lighter" mode?
3. Where can I find some quick instructions to do these things?
- General idea is to have a Windows based network with internet access trough Linux base firewall- If you have any suggestions, I'll be glad to hear them
Can I, as I've been told to, install and set up Mandrake 9.1 for firewall (internet server-gateway) ?
Yes, you will to active IP forwarding and masquerading and learn to use iptables. There are GUI tools that can help you setup a firewall in Linux.
Is it neccesary to start KDE desktop? Or, can I have it running in some "lighter" mode?
There are many different Desktops available for Linux (KDE, GNOME, Ximian, IceWin, WindowMaker, etc)
Where can I find some quick instructions to do these things?
If you do a search on LQ, you will find many threads concerning iptables, ip masquerading and firewalls in Linux.
Distribution: K/Ubuntu 12.04/14.04, Scientific Linux 6.3/6.4, Android-x86, Pretty much all distros at one point...
As for starting up Linux in a "lighter mode", you don't need to boot in a GUI at all. Once the system is set-up as a firewall and internet server, you can have it start in runlevel 3 which is the non-graphical mode.
Lemme jump in here real quick and ask something...
You are looking for a linux firewall on a dial up network to masquerade/filter/"firewall" your windoze boxes? On a dial up connection?
External modems are nearly guaranteed to work, but you'll pay for em because of that. Check out the hardware section as I'm sure there'll be a few modems mentioned "not" to buy, that'll help narrow it down a bit. Also, check Mandrake's HCL - Hardware Compatibility List as well as redhat's: http://hardware.redhat.com/hcl/
With mandrake it shouldn't be much of a problem once you get the drive, but that's really probably an understatement.