This is a summary of  CentOS 5.0 dual-boot with Windows XP:

 When you go to start installing it will ask you to partition disk space for linux (Linux uses swap space and ext3…those are file systems like NTFS). It won’t run on NTFS file format. So the space for Centos won’t be accessible by Windows and vice versa (unless you get special software).

It should walk you right through it, even install the boot loader.

one option here is to reformat the old Windows 98 C:\drive making it fairly small say around 10-MB or so and install DOS on this partition. Here is a link to a boot floppy you can use for this if you are in need of one;

http://www.bootdisk.com/bootdisk.htm ;get the Windows 98 Custom, No Ramdrive floppy disk, the downloaded file creates the floppy disk from either Windows 98 or XP, a blank formatted 3.5 inch floppy is required.

Leave the rest of the space as unformatted free space to install Linux to a bit later on, after you restore Windows XP booting.

When done you will need to re-install the Windows XP bootloader files by using the fixboot and fixmbr commands from the Windows recovery console;

http://support.microsoft.com/kb/307654

Now you are ready to install Linux, please select your installation options carefully. You have the option to install Linux using the unformatted freespace during the installation process make sure that you choose this advanced option.

A walkthrough; http://www.homelandstupidity.us/2005/06/18/partitioning-to-dual-boot-linux-and-windows-walkthrough/

One can use the SystemRescueCD instead of PartitionMagic for the reconfigurtion of the “C:\” drive;

http://www.sysresccd.org/Main_Page

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This is a summary of DNS server on Centos:

I have a system with CENTOS and I need to change the primary and secondary dns server addresses (the centos machine is NOT a dns server — think of it like a workstation). How can I change the dns server address?you can change it as follows:

open your network connections, right click on your connection (the adapter connecting to the net) click properties. Then highlight internet protocall (tcp/ip) click properties, it”s in there

If you use squid as a proxy and based on dns address (or something like LDAP! hint hint!) you can classify your users and then limit the places they can go on the internet or deny them access totally. That’s probably the simplest way in Linux. You also could use iptables to deny them access to any port 80 and 443 but that’s not a very good solution.

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centosplus is part of centos , this warehouse is to ensure the support of the new software on centos,

However, the software inside the warehouse is not very new, it is only a compromise solution.

Usage:

use yum-enablerepo=centosplus in the yum to open the warehouse.

If you are familiar with yum profile,you can go to /etc/yum.repos.d/ to modify them.

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