update-rc.d

update-rc.d [-f] name action

update-rc.d installs and removes System-V style init script links. It manages the symbolic links in /etc/rc?.d/ directories that control which services start at each runlevel.Init scripts must be placed in /etc/init.d/ before using this command. The tool is primarily used on Debian-based systems using traditional SysV init.

defaults

Add service with default start/stop runlevels

Enable service to start at boot

Disable service from starting at boot

Remove all symlinks for the service

Force removal even if init script still exists

Dry run, show what would be done

Requires root privileges. On systems using systemd, this command may be a compatibility wrapper. The init script must exist in /etc/init.d/ before installing. Use systemctl on modern systemd-based systems.

systemctl(1), service(8), chkconfig(8)