We run the command sudo apt-get install maven to install the latest Apache Maven. Reinstall the version of macOS stored on your computer’s built-in recovery volume: Press and hold Command-R. Caution: If you install a Nessus Agent on a system where an existing Nessus Agent, Nessus Manager, or Nessus scanner is running nessusd, the installation process kills all other nessusd processes. Mockgen command not found mac mockgen command not found Aug/ 0 Comments / in Uncategorized / by / 0 Comments / in Uncategorized / by Install a Nessus Agent on Mac OS X.