Dynatrace Pro Certification Practice Exam

What command is used to start the OneAgent in systems utilizing Systemd?

1. service oneagent start

2. oneagent start

3. systemctl start oneagent

4. init.d oneagent start

The correct answer is: systemctl start oneagent

The command to start the OneAgent in systems utilizing Systemd is "systemctl start oneagent." This is because Systemd is the initialization system used by many modern Linux distributions to manage system services. The `systemctl` command is the primary tool for interacting with the Systemd service manager, allowing you to start, stop, enable, and disable services. When you run "systemctl start oneagent," you are explicitly instructing the Systemd system to start the OneAgent service according to its configuration and dependencies. This approach also aligns with the broader Systemd management framework, which emphasizes consistent and efficient service operations across various system states. Other command formats mentioned do not align with Systemd’s management capabilities. For instance, using "service oneagent start" is associated with the older SysVinit system and does not utilize the Systemd management approach. The command "oneagent start" does not follow the conventions of service management, and "init.d oneagent start" refers to a different service initialization system that predates Systemd. These alternatives lack the compatibility and functionality provided by using the Systemctl command within the Systemd framework.