202.1 - Customizing SysV-init system startup

Weight: 3

Description: Candidates should be able to query and modify the behaviour of system services at various targets / run levels. A thorough understanding of the systemd, SysV Init and the Linux boot process is required. This objective includes interacting with systemd targets and SysV init run levels.

Key Knowledge Areas:

  • Systemd
  • SysV init
  • Linux Standard Base Specification (LSB)

Terms and Utilities:

  • /usr/lib/systemd/
  • /etc/systemd/
  • /run/systemd/
  • systemctl
  • systemd-delta
  • /etc/inittab
  • /etc/init.d/
  • /etc/rc.d/
  • chkconfig
  • update-rc.d
  • init and telinit
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