73 lines
2.4 KiB
Groff
73 lines
2.4 KiB
Groff
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'\" -*- coding: UTF-8 -*-
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.\" Copyright (C) 1998-2003 Miquel van Smoorenburg.
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.\"
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.\" This program is free software; you can redistribute it and/or modify
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.\" it under the terms of the GNU General Public License as published by
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.\" the Free Software Foundation; either version 2 of the License, or
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.\" (at your option) any later version.
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.\"
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.\" This program is distributed in the hope that it will be useful,
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.\" but WITHOUT ANY WARRANTY; without even the implied warranty of
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.\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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.\" GNU General Public License for more details.
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.\"
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.\" You should have received a copy of the GNU General Public License
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.\" along with this program; if not, write to the Free Software
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.\" Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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.\"
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.TH INITSCRIPT 5 "July 10, 2003" "" "Linux System Administrator's Manual"
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.SH NAME
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initscript \- script that executes inittab commands.
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.SH SYNOPSIS
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/bin/sh /etc/initscript id runlevels action process
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.SH DESCRIPTION
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When the shell script \fI/etc/initscript\fP is present, \fBinit\fP
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will use it to execute the commands from \fIinittab\fP.
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This script can be used to set things like \fBulimit\fP and
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\fBumask\fP default values for every process.
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.SH EXAMPLES
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This is a sample initscript, which might be installed on your
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system as \fI/etc/initscript.sample\fP.
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.RS
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.sp
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.nf
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.ne 7
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#
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# initscript Executed by init(8) for every program it
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# wants to spawn like this:
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#
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# /bin/sh /etc/initscript <id> <level> <action> <process>
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#
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# Set umask to safe level, and enable core dumps.
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umask 022
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ulimit -c 2097151
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PATH=/bin:/sbin:/usr/bin:/usr/sbin
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export PATH
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# Increase the hard file descriptor limit for all processes
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# to 8192. The soft limit is still 1024, but any unprivileged
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# process can increase its soft limit up to the hard limit
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# with "ulimit -Sn xxx" (needs a 2.2.13 or later Linux kernel).
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ulimit -Hn 8192
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# Execute the program.
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eval exec "$4"
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.sp
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.RE
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.SH NOTES
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This script is not meant as startup script for daemons or somesuch.
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It has nothing to do with a \fIrc.local\fP style script. It's just
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a handler for things executed from \fB/etc/inittab\fP. Experimenting
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with this can make your system un(re)bootable.
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.RE
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.SH FILES
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/etc/inittab,
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/etc/initscript.
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.SH AUTHOR
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Miquel van Smoorenburg ,<miquels@cistron.nl>
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.SH "SEE ALSO"
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init(8), inittab(5).
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