After creating a systemd service file and running systemctl enable myservice, the service still does not start automatically on boot. What is the most probable cause?

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Raspberry Pi - Automation and Scheduling

After creating a systemd service file and running systemctl enable myservice, the service still does not start automatically on boot. What is the most probable cause?

AThe service file is missing the [Install] section with WantedBy directive

BThe service file uses relative paths in ExecStart

CThe service file has Restart=always set

DThe service file is located in /etc/systemd/system/

Step-by-Step Solution

Solution:

Step 1: Understand enabling a service
Running systemctl enable creates symlinks based on the [Install] section, specifically the WantedBy directive.
Step 2: Identify missing configuration
If the [Install] section or WantedBy is missing, enabling the service won't create the necessary symlinks, so it won't start on boot.
Step 3: Other options
Relative paths (B) cause runtime errors but not failure to enable; Restart=always (C) affects restart behavior; location (D) is correct.
Final Answer:
The service file is missing the [Install] section with WantedBy directive -> Option A
Quick Check:
Missing [Install] section prevents auto-start [OK]

Quick Trick: Ensure [Install] section with WantedBy is present to enable service [OK]

Common Mistakes:

MISTAKES

Forgetting the [Install] section in the service file
Using relative paths in ExecStart causing execution failure
Assuming enabling alone starts the service immediately

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After creating a systemd service file and running systemctl enable myservice, the service still does not start automatically on boot. What is the most probable cause?

Step 1: Understand enabling a service

Step 2: Identify missing configuration

Step 3: Other options

Final Answer:

Quick Check:

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