Data Center
A facility that houses computing systems and the power, cooling, networking, and physical infrastructure needed to operate them.
Hackathon countdown
-- days26 September 2026Google Data Center Hardware Hackathon 2026
Server hardware, networking, Linux, troubleshooting, automation, data center operations.
1 of 10 modules started
Modules
01
Data Center Fundamentals
Servers, racks, power, cooling, network, redundancy.
Current02
Server Hardware
CPU, RAM, storage, NIC, PSU, BIOS/UEFI and failures.
Next03
Networking
IP, subnet, gateway, MAC, ARP, DNS, DHCP, switching.
Planned04
Linux
Shell, files, processes, services, network commands and logs.
Planned05
Troubleshooting
Diagnose faults layer by layer instead of guessing.
Planned06
Bash & Automation
Variables, loops, conditions and basic infrastructure checks.
Planned07
Services & Security
SSH, HTTP, ports, firewall basics, users and permissions.
Planned08
Data Center Operations
Cabling, power, cooling, ESD safety and hardware replacement.
Planned09
Team Challenges
Task division, communication, speed and incident notes.
Planned10
Mock Hackathon
Timed multi-fault scenarios with hints and revealable solutions.
Final stageModule 01
Data Center Fundamentals
Goal: understand what a data center is, what a server does, and how the major systems depend on each other.
1. What is a data center?
A data center is a facility that contains large numbers of computers called servers, plus the networking, power, cooling, and physical infrastructure required to keep those systems running.
Beginner version
A data center is a building full of powerful computers that run websites, apps, cloud services, storage, AI systems, and other online services.
2. What is a server?
A server is a computer that provides a service or resource to other computers over a network. It can host a website, store files, run a database, or process application requests.
Remember
A server is still a computer. It has a CPU, RAM, storage, motherboard, power supply, and network interfaces. Its design and job are what make it a server.
3. How does a user reach a server?
A simplified path looks like this:
User→Internet→Router→Switch→Server
Real data centers are much more complex, but this path gives you a starting point for locating where a connectivity problem may exist.
4. What is a rack?
A rack is a standardized metal frame used to organize servers, switches, power equipment, and other hardware vertically. Equipment height is measured in rack units, written as U.
Example
A 1U server uses one rack unit of vertical space. A 2U server uses two rack units.
5. The five systems you should always think about
| System | Purpose | Example failure |
|---|---|---|
| Compute | CPU and RAM process workloads. | Bad RAM may prevent normal boot. |
| Storage | Stores the OS and data. | A failed disk may cause boot or data problems. |
| Network | Connects servers to other systems. | Wrong IP or bad cable can remove connectivity. |
| Power | Supplies electricity to equipment. | A failed PSU can shut a server down. |
| Cooling | Removes heat generated by equipment. | High temperature can cause throttling or shutdown. |
6. Why redundancy matters
Data centers try to avoid a single point of failure. Important systems may have duplicate power supplies, multiple network links, backup power, redundant switches, or multiple copies of data.
Key term
Redundancy means having an additional component or path so a service can continue when one component fails.
7. First troubleshooting mindset
Do not start with the most complicated explanation. Begin with basic layers and move upward.
Power→Hardware→Operating System→Network→Service
This becomes a full fault-isolation workflow later in Module 05.
Mini challenge 01
A website suddenly becomes unreachable
The server is physically installed in a rack. Name at least four major areas you would eventually consider while troubleshooting.
Reveal answer
Power, server hardware, operating system, network connection/configuration, and the web service/application are all valid areas. The goal is to isolate the failure systematically instead of guessing one cause.
Quick knowledge check
1. Which component connects a server to a network?
2. What does 1U describe?
3. Why is redundancy used?
Progress is stored in this browser.
Next module
Module 02 · Server Hardware
Identify the components inside a server, learn what each part does, and begin hardware fault diagnosis.
Key terms
Server
A computer that provides services or resources to other computers over a network.
Rack
A standardized frame used to mount and organize servers and other data center equipment.
NIC
Network Interface Card. Hardware that allows a computer or server to connect to a network.
PSU
Power Supply Unit. Converts incoming electrical power into usable power for server components.
Switch
A network device that connects devices within the same local network and forwards traffic to the correct destination.
Router
A device that forwards traffic between different networks.
Redundancy
Using additional components or paths so a system can continue operating when one component fails.
Single Point of Failure
A component whose failure can stop the entire system or service because no backup path exists.
Cooling
The systems and airflow used to remove heat produced by servers and other equipment.
Rack Unit (U)
A standard measurement of vertical rack space. 1U equals one unit of equipment height.
Troubleshooting
A systematic process of identifying, isolating, and fixing the cause of a technical problem.