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insserv

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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:

0 used for System halt
1 used for single user mode
2 used for local multiuser without remote network
3 used for full multiuser with network
4 reserved for local use
5 used for full multiuser with network and xdm
6 used for System reboot
S used during boot into single user mode
B used during boot before any other runlevel

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.

Syntax:

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

       insserv
       [[/]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]

OPTIONS

Currently there is only few options for insserv.

-r, --remove Remove the listed scripts from all runlevels.
-d, --default Use default runlevels a defined in the scripts. This may restore an edited runlevel link scheme.
-f, --force Ignore if a required service is missed.
-h, --help Print out short usage message.

But you may use the argument syntax described in the following section.

ARGUMENTS

[[]path/to/init.d/] Relative or absolute path to the init scripts base directory. For the SuSE Linux boot concept, this defaults to /etc/init.d/ in compliance with the LSB specification. In this case insserv does not add or remove a script to the runlevels declared in the script headers, but may re-order the runlevels if the order of the currently enabled scripts has ified runlevels to be started with. You may use this extension to overwrite the default values for start and stop runlevels of the script. Note that <lvl1>, <lvl2>, ... are the known runlevels explained above. The extension ,stop=<lvl1>[,<lvl2>]] is possible but ignored on SuSE Linux.
-r [[/]path/to/init.d/] script ... List of scripts which should be removed from the runlevels. If a path is used it should point to the absolute or relative location of the boot scripts. insserv checks for the existence of these scripts.

FILES

/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).

COPYRIGHT

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

Etc

Society

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Quotes

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Bulletin:

Vol 25, No.12 (December, 2013) Rational Fools vs. Efficient Crooks The efficient markets hypothesis : Political Skeptic Bulletin, 2013 : Unemployment Bulletin, 2010 : Vol 23, No.10 (October, 2011) An observation about corporate security departments : Slightly Skeptical Euromaydan Chronicles, June 2014 : Greenspan legacy bulletin, 2008 : Vol 25, No.10 (October, 2013) Cryptolocker Trojan (Win32/Crilock.A) : Vol 25, No.08 (August, 2013) Cloud providers as intelligence collection hubs : Financial Humor Bulletin, 2010 : Inequality Bulletin, 2009 : Financial Humor Bulletin, 2008 : Copyleft Problems Bulletin, 2004 : Financial Humor Bulletin, 2011 : Energy Bulletin, 2010 : Malware Protection Bulletin, 2010 : Vol 26, No.1 (January, 2013) Object-Oriented Cult : Political Skeptic Bulletin, 2011 : Vol 23, No.11 (November, 2011) Softpanorama classification of sysadmin horror stories : Vol 25, No.05 (May, 2013) Corporate bullshit as a communication method : Vol 25, No.06 (June, 2013) A Note on the Relationship of Brooks Law and Conway Law

History:

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 DOS : Programming Languages History : PL/1 : Simula 67 : C : History of GCC development : Scripting 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

Classic books:

The Peter Principle : Parkinson Law : 1984 : The Mythical Man-Month : How to Solve It by George Polya : The Art of Computer Programming : The Elements of Programming Style : The Unix Hater’s Handbook : The Jargon file : The True Believer : Programming Pearls : The Good Soldier Svejk : The Power Elite

Most popular humor pages:

Manifest of the Softpanorama IT Slacker Society : Ten Commandments of the IT Slackers Society : Computer Humor Collection : BSD Logo Story : The Cuckoo's Egg : IT Slang : C++ Humor : ARE YOU A BBS ADDICT? : The Perl Purity Test : Object oriented programmers of all nations : Financial Humor : Financial Humor Bulletin, 2008 : Financial Humor Bulletin, 2010 : The Most Comprehensive Collection of Editor-related Humor : Programming Language Humor : Goldman Sachs related humor : Greenspan humor : C Humor : Scripting Humor : Real Programmers Humor : Web Humor : GPL-related Humor : OFM Humor : Politically Incorrect Humor : IDS Humor : "Linux Sucks" Humor : Russian Musical Humor : Best Russian Programmer Humor : Microsoft plans to buy Catholic Church : Richard Stallman Related Humor : Admin Humor : Perl-related Humor : Linus Torvalds Related humor : PseudoScience Related Humor : Networking Humor : Shell Humor : Financial Humor Bulletin, 2011 : Financial Humor Bulletin, 2012 : Financial Humor Bulletin, 2013 : Java Humor : Software Engineering Humor : Sun Solaris Related Humor : Education Humor : IBM Humor : Assembler-related Humor : VIM Humor : Computer Viruses Humor : Bright tomorrow is rescheduled to a day after tomorrow : Classic Computer Humor

The Last but not Least Technology is dominated by two types of people: those who understand what they do not manage and those who manage what they do not understand ~Archibald Putt. Ph.D

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Last modified: March, 12, 2019