You run the command systemctl start nginx but get an error saying 'Failed to start nginx.service: Unit not found.' What is the likely cause?

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Linux CLI - Linux Basics and Terminal

You run the command systemctl start nginx but get an error saying 'Failed to start nginx.service: Unit not found.' What is the likely cause?

ANginx is not installed on the system

BYou typed the command correctly and service is running

CThe systemctl command is not available on Linux

DYou need to reboot the server before starting nginx

Step-by-Step Solution

Solution:

Step 1: Analyze the error message
'Unit not found' means the service file for nginx does not exist, often because nginx is not installed.
Step 2: Check other options' validity
systemctl is standard on Linux; reboot is not required to start services; the command typed correctly but service missing.
Final Answer:
Nginx is not installed on the system -> Option A
Quick Check:
Unit not found = service missing = nginx not installed [OK]

Quick Trick: Unit not found means service missing or not installed [OK]

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