The systemctl command is a utility which is responsible for examining and controlling the systemd system and service manager. It is a collection of system management libraries, utilities and daemons which function as a successor to the System V init daemon. The new systemctl commands have proven quite useful in managing a servers services. It provides detailed information about specific systemd services, and others that have server-wide utilization.
Spamming is a serious issue for your business and can take a toll on your time and resources to fix. The best way to solve this problem, of course, is to never have it in the first place. The number one way to help prevent spamming is to ensure all CMS’s (like WordPress, Joomla, and Drupal) including themes, plugins are up-to-date on your VPS server or Dedicated server. This may sound too simple, but there are innumerable times when an outdated plugin allows hackers to destroy an otherwise secure domain.