генерировать волшебные куки для xauth (generate magic cookies for xauth)
Имя (Name)
mcookie - generate magic cookies for xauth
Синопсис (Synopsis)
mcookie
[options]
Описание (Description)
mcookie
generates a 128-bit random hexadecimal number for use
with the X authority system. Typical usage:
xauth add :0 .
mcookie
The "random" number generated is actually the MD5 message digest
of random information coming from one of the sources getrandom(2)
system call, /dev/urandom, /dev/random, or the libc pseudo-random
functions, in this preference order. See also the option --file
.
Параметры (Options)
-f
, --file
file
Use this file as an additional source of randomness (for
example /dev/urandom). When file is '-', characters are read
from standard input.
-m
, --max-size
number
Read from file only this number of bytes. This option is
meant to be used when reading additional randomness from a
file or device.
The number argument may be followed by the multiplicative
suffixes KiB=1024, MiB=1024*1024, and so on for GiB, TiB,
PiB, EiB, ZiB and YiB (the "iB" is optional, e.g., "K" has
the same meaning as "KiB") or the suffixes KB=1000,
MB=1000*1000, and so on for GB, TB, PB, EB, ZB and YB.
-v
, --verbose
Inform where randomness originated, with amount of entropy
read from each source.
-V
, --version
Display version information and exit.
-h
, --help
Display help text and exit.
Файлы (Files)
/dev/urandom
/dev/random
Ошибки (баги) (Bugs)
It is assumed that none of the randomness sources will block.
Смотри также (See also)
md5sum(1), X
(7), xauth
(1), rand(3)
Сообщение об ошибках (Reporting bugs)
For bug reports, use the issue tracker at
https://github.com/karelzak/util-linux/issues.
Доступность (Availability)
The mcookie
command is part of the util-linux package which can
be downloaded from Linux Kernel Archive
<https://www.kernel.org/pub/linux/utils/util-linux/>. This page
is part of the util-linux (a random collection of Linux
utilities) project. Information about the project can be found at
⟨https://www.kernel.org/pub/linux/utils/util-linux/⟩. If you have
a bug report for this manual page, send it to
util-linux@vger.kernel.org. This page was obtained from the
project's upstream Git repository
⟨git://git.kernel.org/pub/scm/utils/util-linux/util-linux.git⟩ on
2021-08-27. (At that time, the date of the most recent commit
that was found in the repository was 2021-08-24.) If you discover
any rendering problems in this HTML version of the page, or you
believe there is a better or more up-to-date source for the page,
or you have corrections or improvements to the information in
this COLOPHON (which is not part of the original manual page),
send a mail to man-pages@man7.org