Which parameters were used by apt-get to install init scripts for a package?

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http://unix.stackexchange.com – After removing the init script for hdparm with # update-rc.d hdparm remove, the wish is to re-install/fix/repair the hdparm init script. In other words to undo the update-rc.d removal. Calling # update-rc.d hdparm defaults doesn't seem right: # update-rc.d -n hdparm defaults update-rc.d: using dependency based boot sequencing update-rc.d: warning: hdparm start runlevel arguments (2 3 4 5) do not match LSB Default-Start values (S) update-rc.d: warning: hdparm stop runlevel arguments (0 1 6) do not match LSB Default-Stop values (none) Another internet resource shows that # update-rc.d hdparm (HowTos)