sysctl.conf(5)

1SYSCTL.CONF(5)                   File Formats                   SYSCTL.CONF(5)
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NAME

6       sysctl.conf - sysctl preload/configuration file
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DESCRIPTION

9       sysctl.conf is a simple file containing sysctl values to be read in and
10       set by sysctl.  The syntax is simply as follows:
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12              # comment
13              ; comment
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15              token = value
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17       Note that blank lines are ignored, and whitespace before  and  after  a
18       token  or  value  is  ignored,  although a value can contain whitespace
19       within.  Lines which begin with a # or ; are  considered  comments  and
20       ignored.
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NOTES

23       As the /etc/sysctl.conf file is used to override default kernel parame‐
24       ter values, only a small number of  parameters  is  predefined  in  the
25       file.   Use  /sbin/sysctl -a  or  follow sysctl(8) to list all possible
26       parameters. The description of individual parameters can  be  found  in
27       the kernel documentation.
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EXAMPLE

30              # sysctl.conf sample
31              #
32                kernel.domainname = example.com
33              ; this one has a space which will be written to the sysctl!
34                kernel.modprobe = /sbin/mod probe
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FILES

37       /run/sysctl.d/*.conf
38       /etc/sysctl.d/*.conf
39       /usr/local/lib/sysctl.d/*.conf
40       /usr/lib/sysctl.d/*.conf
41       /lib/sysctl.d/*.conf
42       /etc/sysctl.conf
43              The  paths  where  sysctl preload files usually exist.  See also
44              sysctl option --system.
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AUTHOR

50       George Staikos ⟨staikos@0wned.org⟩
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REPORTING BUGS

53       Please send bug reports to ⟨procps@freelists.org⟩
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57procps-ng                        January 2012                   SYSCTL.CONF(5)