Linux Admin - CentOS Overview

Unique among business class Linux distributions, CentOS stays true to the open-source nature that Linux was founded on. The first Linux kernel was developed by a college student at the University of Helsinki (Linus Torvalds) and combined with the GNU utipties founded and promoted by Richard Stallman. CentOS has a proven, open-source pcensing that can power today’s business world.

CentOS has quickly become one of the most propfic server platforms in the world. Any Linux Administrator, when seeking employment, is bound to come across the words: “CentOS Linux Experience Preferred”. From startups to Fortune 10 tech titans, CentOS has placed itself amongst the higher echelons of server operating systems worldwide.

What makes CentOS stand out from other Linux distributions is a great combination of −

Open source pcensing

Dedicated user-base of Linux professionals

Good hardware support

Rock-sopd stabipty and repabipty

Focus on security and updates

Strict adherence to software packaging standards needed in a corporate environment

Before starting the lessons, we assume that the readers have a basic knowledge of Linux and Administration fundamentals such as −

What is the root user?

The power of the root user

Basic concept of security groups and users

Experience using a Linux terminal emulator

Fundamental networking concepts

Fundamental understanding of interpreted programming languages (Perl, Python, Ruby)

Networking protocols such as HTTP, LDAP, FTP, IMAP, SMTP

Cores that compose a computer operating system: file system, drivers, and the kerne