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RHEL Runlevels Red Hat Startup Scripts Suse Runlevels Suse init scripts Creating your own init scripts  
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insserv enables an installed system init script (`boot script') by reading the LSB comment header of the script, e.g.:

         ### BEGIN INIT INFO
         # Provides:       boot_facility_1 [ boot_facility_2 ...]
         # Required-Start: boot_facility_1 [ boot_facility_2 ...]
         # Required-Stop:  boot_facility_1 [ boot_facility_2 ...]
         # X-UnitedLinux-Should-Start: boot_facility_1 [ boot_facility_2 ...]
         # X-UnitedLinux-Should-Stop:  boot_facility_1 [ boot_facility_2 ...]
         # Default-Start:  run_level_1 [ run_level_2 ...]
         # Default-Stop:   run_level_1 [ run_level_2 ...]
         # Description:    multiline_description
         ### END INIT INFO
and calculating the dependencies between all scripts. Please note, that the Required-Stop, X-UnitedLinux-Should- Stop, and Default-Stop are ignored in SuSE Linux, because the SuSE boot script concept uses a differential link scheme (see init.d(7)). With known dependencies and run­ level(s) insserv sets and reorders the corresponding symbolic links of the concerned runlevels directories (see init.d(7)). Known runlevels are:

insserv scans for System Facilities in the configuration file /etc/insserv.conf. Each line which begins with $ and

         $named          named

         # All remote filesystems are mounted
         # (in some cases /usr may be remote).
         $remote_fs      $local_fs nfs

         # System logger is operational
         $syslog         syslog

         # All network daemons are running
         $netdaemons     portmap inetd

         # Services which need to be interactive
         <interactive>   boot.crypto
Names starting with a `+' sign are marked as optional. If the service with the name after the plus sign is available it will be used, if not available it is ignored silently. Words beginning with < and ending with > are keywords. Currently <interactive> is the only know keyword for marking a service as an interactive one, e.g. a service which requires a passphrase or password input during boot or runlevel change.



       insserv [-d] [-f] [[/]path/to/init.d/]script ...

       [[/]path/to/init.d/]script[,start=<lvl1>[,<lvl2>]] ...

       insserv -r [-d] [-f] [[/]path/to/init.d/]script ...

       insserv -h

       /usr/lib/lsb/install_initd [[/]path/to/init.d/script]

       /usr/lib/lsb/remove_initd [[/]path/to/init.d/script]


Currently there is only few options for insserv. But you may use the argument syntax described in the fol­lowing section.



/etc/insserv.conf configuration file for insserv which defines the LSB System Facilities. /etc/init.d/ path to the SuSE boot script base directory as required by the Linux Standard Base Specification (LSB).


2000-2003 Werner Fink, 2000-2003 SuSE GmbH Nuernberg, Germany.



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Fifty glorious years (1950-2000): the triumph of the US computer engineering : Donald Knuth : TAoCP and its Influence of Computer Science : Richard Stallman : Linus Torvalds  : Larry Wall  : John K. Ousterhout : CTSS : Multix OS Unix History : Unix shell history : VI editor : History of pipes concept : Solaris : MS DOSProgramming Languages History : PL/1 : Simula 67 : C : History of GCC developmentScripting Languages : Perl history   : OS History : Mail : DNS : SSH : CPU Instruction Sets : SPARC systems 1987-2006 : Norton Commander : Norton Utilities : Norton Ghost : Frontpage history : Malware Defense History : GNU Screen : OSS early history

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