CentOS Installation |
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We are going to discuss the following topics in this module.
In this module, you will learn how to install CentOS Linux in 3 modes in a NEW server.
Due to CentOS's platform similarity with Red Hat, the installation is similar to Red Hat's Fedora Core and Red Hat Enterprise Linux.
The CentOS installation media come with DVD ISO images. It is freely available via CentOS.org. There are no CentOS server CD (stripped-down version of DVD ISO) for CentOS 5.x at this moment. However, you can customise the packages easily when during installation process. I would suggest you to be a 'minimalist', plan and install necessary packages (application) during initial installation. You can still add the packages later when needed.
CentOS come with few types of installation method. There are
Sometimes, you might need to customise your installation packages, but be remind that to keep the minimum packages during installation. This is because, we do not want unused application to be install at our server. To do so you might can choose option during installation
I would advise the newbie to Linux to install GUI so the learning curve too steep for you. However, always remember that if you are learning CentOS for system administration purposes, then you have to learn command line (text mode). Why?
1. you will learn how amazing you can perform complicated tasks by changing a few lines of code by using command line interface.
2. remote desktop (RDP) consumes lots of unnecessary bandwidth, especially when you are in lower-bandwidth country. Imaging that I can performed my company mail troubleshooting over dial-up network from Cambodia few years back, I doubt you can do it using RDP to MS Exchange server.
3. GUI consumes unnecessary server resources such as hard disk space and memory. Unless, you are using it as workstation. GUI is NOT a must for server.
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