Debian系统启动脚本详解-update-rc.d

Insert links using the defaults:
update-rc.d foobar defaults

Equivalent command using explicit argument sets:
update-rc.d foobar start 20 2 3 4 5 . stop 20 0 1 6 .

More typical command using explicit argument sets:
update-rc.d foobar start 30 2 3 4 5 . stop 70 0 1 6 .

Remove all links for a script (assuming foobar has been deleted
already):
update-rc.d foobar remove

Example of disabling a service:
update-rc.d -f foobar remove
update-rc.d foobar stop 20 2 3 4 5 .

Example of a command for installing a system initialization-and-shut‐
down script:
update-rc.d foobar start 45 S . start 31 0 6 .

Example of a command for disabling a system initialization-and-shutdown
script:
update-rc.d -f foobar remove
update-rc.d foobar stop 45 S .