Linux Support Lab

Tier-1 Linux troubleshooting lab demonstrating common command-line diagnostics used by IT Support and Help Desk technicians.

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Quick Proof (Screenshots)

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Overview

This lab demonstrates Linux troubleshooting tasks commonly performed by Tier-1 IT Support technicians.

Goal: demonstrate the ability to identify system and network issues using basic Linux diagnostics.

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Tools Used

Linux terminal

Commands demonstrated:

• uname
• df
• top
• ping

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1) System Information

Command
uname -a

Purpose
Displays kernel version and operating system information.

Helpdesk use case
Verify system version during compatibility troubleshooting.

Screenshot

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2) Disk Usage

Command
df -h

Purpose
Displays disk space usage for mounted drives.

Helpdesk use case
Identify storage issues or full disks impacting performance.

Screenshot

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3) Process Monitoring

Command
top

Purpose
Displays active processes and system resource usage.

Helpdesk use case
Identify processes consuming excessive CPU or memory.

Screenshot

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4) Network Connectivity

Command
ping -c 4 google.com

Purpose
Tests connectivity to an external host.

Helpdesk use case
Verify internet connectivity during network troubleshooting.

Screenshot

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Skills Demonstrated

• Linux command-line troubleshooting
• System diagnostics
• Disk usage analysis
• Process monitoring
• Network connectivity testing

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Repository Structure