variable
The name of a key to read from. An example is
kernel.ostype. The '/' separator is also accepted in
place of a '.'.
variable=value
To set a key, use the form variable=value where variable
is the key and value is the value to set it to. If the
value contains quotes or characters which are parsed by
the shell, you may need to enclose the value in double
quotes.
-n, --values
Use this option to disable printing of the key name when
printing values.
-e, --ignore
Use this option to ignore errors about unknown keys.
-N, --names
Use this option to only print the names. It may be useful
with shells that have programmable completion.
-q, --quiet
Use this option to not display the values set to stdout.
-w, --write
Use this option when all arguments prescribe a key to be
set.
-p[FILE], --load[=FILE]
Load in sysctl settings from the file specified or
/etc/sysctl.conf if none given. Specifying - as filename
means reading data from standard input. Using this option
will mean arguments to sysctl are files, which are read in
the order they are specified. The file argument may be
specified as regular expression.
-a, --all
Display all values currently available.
--deprecated
Include deprecated parameters to --all values listing.
-b, --binary
Print value without new line.
--system
Load settings from all system configuration files. Files
are read from directories in the following list in given
order from top to bottom. Once a file of a given filename
is loaded, any file of the same name in subsequent
directories is ignored.
/etc/sysctl.d/*.conf
/run/sysctl.d/*.conf
/usr/local/lib/sysctl.d/*.conf
/usr/lib/sysctl.d/*.conf
/lib/sysctl.d/*.conf
/etc/sysctl.conf
-r, --pattern pattern
Only apply settings that match pattern. The pattern uses
extended regular expression syntax.
-A Alias of -a
-d Alias of -h
-f Alias of -p
-X Alias of -a
-o Does nothing, exists for BSD compatibility.
-x Does nothing, exists for BSD compatibility.
-h, --help
Display help text and exit.
-V, --version
Display version information and exit.
