Possible states of a systemd service unit.
"active"
"inactive"
"failed"
"unknown"
systemctl is-active
"not-installed"
Possible states of a systemd service unit.
"active"— unit is running"inactive"— unit is stopped"failed"— unit exited with an error"unknown"—systemctl is-activereturned an unrecognised value"not-installed"— the unit binary was not found on the system