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systemd-analyze

Analyze and debug system manager. Show timing details about the boot process of units (services, mount points, devices, sockets). More information: https://manned.org/systemd-analyze.

• List time of each unit to start up:
   
  systemd-analyze blame
   
• Print a tree of the time-critical chain of units:
   
  systemd-analyze critical-chain
   
• Create an SVG file showing when each system service started, highlighting the time that they spent on initialization:
   
  systemd-analyze plot > {{path/to/file.svg}}
   
• Plot a dependency graph and convert it to an SVG file:
   
  systemd-analyze dot | dot -T{{svg}} > {{path/to/file.svg}}
   
• Show security scores of running units:
   
  systemd-analyze security