system administration

22
 Live, as if you were to die tomorrow. Learn, as if you were to live forever.                 -Mahatma Gandhi

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This will help to understand the System Administrator his duties, his responsibilities etc.

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Page 1: System Administration

   

Live, as if you were to die tomorrow.Learn, as if you were to live forever.

                ­Mahatma Gandhi

Page 2: System Administration

   

System Administration

Surender SinghSr. Programmerhttp://[email protected]

Page 3: System Administration

   

Adminstration

● System  Administrator● Network Administrator● Security Administrator● Web Administrator● Database Administrator● Technical Support● Computer Operator

Page 4: System Administration

   

System Administration

● Installation● Support● Maintain ● Supervising● Training

Being the consultant for Computer Problems beyond the knowledge of Technical Support staff.

Page 5: System Administration

   

Skills

● Operating Systems● Applications● Hardware● Software Troubleshooting● Programming Language (Scripting)● Computer Security

Page 6: System Administration

   

Training

● Degree in Computer/IT Science● Industry Certifications (CCNA, MCSE,RHCE)● Experience● Self­Taught● Interest and Spirit 

Page 7: System Administration

   

Duties

● Introducing and Integrating new Technologies● Analyzing System logs ● Performing routine audits of systems and s/w● Performing backups● Apply OS updates, patches and softwares● Installing and configuring new H/W and S/W● Adding, removing, or updating User Accounts\

Page 8: System Administration

   

Duties ­ 2

● Responsibilities for Security● Ensuring that the network infrastructure is up 

and running● Answering technical queries● Troubleshooting any reported problems● Identifying potential issues with computer 

systems

Page 9: System Administration

   

System Administration Tasks

● Choose a Operating System● Installation and Hardware Configuration● Users Management ● Software Installation● Networking● Servers Installation

– Web Server            

– DHCP Server

Page 10: System Administration

   

System Administration Tasks ­ 2

● Security ● Backup and Restore Procedures● Storage Space Management● Service Management● Deployment Server● Software Distribution● Updates

Page 11: System Administration

   

Ready to move....

Prime Requirement to accomplish this course

A Good Desktop User Experience

Learn, Implement and Share Spirit

Windows Administration

Linux Administration

Page 12: System Administration

   

Prerequisite

You must be a Desktop User of any Linux flavour and aware about the general commands 

of cp, mv, vi, ls on terminal and 

directory structure of 

Linux

Visit http://techlab.in to learn 

“A start up with Linux (Ubuntu)” 

Page 13: System Administration

   

Linux Distributions

● Debian­Based– Ubuntu

– Knoppix

● RPM­Based– Red Hat

– Fedora

● Slackware­Based– Slax

Page 14: System Administration

   

GUI or CLI

● Desktop Environment● Terminal 

Page 15: System Administration

   

Desktops 

● Gnome – (GNU/Linux or UNIX computer Desktop

● KDE – (K Desktop Environment)

Page 16: System Administration

   

Ubuntu/Kubuntu

Ubuntu is an African word meaning

'Humanity to others', or 'I am what I am because of who we all are'.

Bring Freedom to Computer Users...

● The freedom to run the programme, for any purpose.

● The freedom to study how the programme works and adapt it to your needs.

● The freedom to redistribute copies so you can help others.

● The freedom to improve the programme and release your improvements to the public, so that everyone benefits.

Page 17: System Administration

   

The Ubuntu promise● Ubuntu will always be free of charge, including enterprise 

releases and security updates.

● Ubuntu comes with full commercial support from Canonical and hundreds of companies around the world.

● Ubuntu includes the very best translations and accessibility infrastructure that the free software community has to offer.

● Ubuntu CDs contain only free software applications; we encourage you to use free and open source software, improve it and pass it on.

Page 18: System Administration

   

Let's Start with... 

Page 19: System Administration

   

Operating System for Huminity

Page 20: System Administration

   

7 Steps for Installation

1. Booting from the Ubuntu installation CD

2. Select Install Ubuntu and hit <enter>

3. Choose the language used for the installation process

4. Select the city in your country and time zone

5. Keyboard layout

6. Prepare disk space (Carefully)

7. Creating your login account and computer name

8. Summary Page

Page 21: System Administration

   

User Management

● Admin user with sudo for admin tasks● Create Desktop users using 

– CLI ● sudo adduser <username>

– GUIUbuntu

● System­>Administration­>Users and Groups

Kubuntu● Kmenu > System Settings > Users & Groups

Page 22: System Administration

   

Software Installation Basics

● Packages, Package Dependencies● Package Managers● Software Channels/Repositories

– Main (Free and Fully supported)

– Restricted (Not available under a completely free licence)

– Universe (No guarantee of security fixes and support 

– Multiverse (Not free)