systemd

• A comprehensive series of programs designed to conglomerate various disparate Linux services. In particular:

  • Replacing SysVInit with its own init system
  • Replaces syslog logging with journald
  • Provides a centralised library for working with udev
  • Provides a central network configuration system, replacing various services including
    • dhcpd
    • ifconfig
  • Replaces the inbuilt resolver with its own DNS resolution system
  • Replaces ntpd with its own time daemon

• Daemon control is managed with unit files

• Runlevels are replaced with targets

• Now used by the majority of Linux distributions