Lesson1_SystemAdmin INTRODUCTIONNNN.pptx

LESSON 1 INTRO TO NETWORKING

1. BSIT – System s Administration Lesson 1: Introduction to System Administration Occidental Mindoro State College – Sablayan Campus Prepared by: Ms. Nhelgane M. Hablo

2. Introduction to System Administration System Administration = managing and maintaining IT systems Ensures availability, security, and performance of IT infrastructure Critical for organizations relying on technology Occidental Mindoro State College – Sablayan Campus | System Administration

3. Importance of System Administration Keeps business operations running smoothly Prevents downtime = prevents loss of money Protects against cyber threats Ensures users can do their jobs Occidental Mindoro State College – Sablayan Campus | System Administration

4. Case-Study Case Scenario 1 – The Silent Crash The main server of a small bank suddenly shuts down during working hours. Clients cannot withdraw money, transactions are frozen, and panic starts to spread. Guide Questions: What might have gone wrong? Who in the organization is responsible for fixing this immediately? Why is it important to prevent downtime in this case ?

5. What Exactly Does a System Administrator Do? Install & configure hardware/software Manage servers, networks, and databases Monitor performance & troubleshoot problems Implement security policies Backup & recovery User management (accounts, permissions, access) Occidental Mindoro State College – Sablayan Campus | System Administration

6. Daily Life of a SysAdmin Mornings: Check logs & system health reports Daytime: Fix issues, update systems, handle tickets Emergency calls: 'The server is down!' Constant learning of new tools & threats Occidental Mindoro State College – Sablayan Campus | System Administration

7. Case-Study Case Scenario 2 – The “Forgotten Password Epidemic” It’s Monday morning, and 20 employees forgot their passwords after a weekend system upgrade. Everyone calls IT for help. Discussion Questions: Which SysAdmin responsibility does this fall under? Why is user management essential in IT? How can a SysAdmin prevent similar problems?

8. Case-Study Case Scenario 3 – The Cyber Attack Attempt A school’s network is suddenly bombarded with suspicious login attempts from unknown sources. The SysAdmin quickly installs firewall rules and blocks the intrusion. Discussion: Which SysAdmin responsibility is this? How does security management protect the organization?

9. The Profession of System Administration High demand in IT industry Works in almost every sector (schools, banks, hospitals, gov’t, etc.) Titles: System Admin, IT Support Engineer, Network Admin, DevOps Engineer Skills: problem-solving, patience, technical expertise, security awareness Occidental Mindoro State College – Sablayan Campus | System Administration

10. Skills & Qualities of a Good SysAdmin Technical Skills: OS, networks, cloud, databases, scripting Soft Skills: communication, teamwork, documentation Personality Traits: detail-oriented, proactive, resilient Occidental Mindoro State College – Sablayan Campus | System Administration

11. System Administration Education Formal Education: BSIT, BSCS, BSECE, BSIS Certifications: CompTIA Linux+/Network+, Microsoft Certified: Windows Server, Cisco CCNA, AWS/Azure Cloud Continuous learning is a must! Occidental Mindoro State College – Sablayan Campus | System Administration

12. Case-Study Case Scenario 4 – The Hospital Outage Imagine you are a SysAdmin in a hospital. Suddenly, patient monitoring systems lose connection. Doctors cannot access records. Lives are at risk. Reflection Questions: • How critical is the role of a SysAdmin in this workplace? • What skills should the SysAdmin apply first in this situation? • If you were the SysAdmin , what immediate steps would you take?

13. Future of System Administration Move towards cloud & automation DevOps and Infrastructure-as-Code AI-powered monitoring tools SysAdmins evolving into Cloud/DevOps Engineers Occidental Mindoro State College – Sablayan Campus | System Administration

14. Recap System Administration = keeping IT systems running SysAdmins do installation, configuration, troubleshooting, security, backups Profession: in-demand, versatile, evolving Education = degree + certifications + continuous learning Occidental Mindoro State College – Sablayan Campus | System Administration

15. Discussion Questions Why is the role of a system administrator considered 'invisible' until something goes wrong? Which skills do you think are most important for a future sysadmin ? Would you consider this profession for yourself—why or why not? Occidental Mindoro State College – Sablayan Campus | System Administration

16. Thank You / Q&A Questions? Let's discuss! Occidental Mindoro State College – Sablayan Campus | System Administration