00readme

随机数算法

README for PRNGD at SCO Open Server 5.0.2
David Leska <[e-mail]>

prngd.rc:	PRNGD startup script
prngd.conf      configuration file

Please read 00README from the PRNGD distribution for instructions on
installing PRNGD; this README covers a recommended runtime and startup
configuration for SCO Open Server.

o Verify, that paths in prngd.rc match your desired configuration.
  I configured prndg to be put in the /usr/local/prngd directory, with
  subdirectories structure: var - contains log, lock, seed and socket file
  bin - contains this rc script and prngd binary, etc - is symbolic link
  to /etc/prngd.d which contains prngd.conf.

o Add pseudo account:

  # groupadd prngd
  # useradd -g prngd prngd

o Setup directories:

  # mkdir /etc/prngd.d
  # chmod 755 /etc/prngd.d
  # mkdir /usr/local/prngd
  # mkdir /usr/local/prngd/bin
  # mkdir /usr/local/prngd/var
  # chown prngd:prngd /usr/local/prngd/var
  # chmod -R 755 /var/opt/prngd
  # ln -s /etc/prngd.d /usr/local/prngd/etc

NOTE: here we assume the following in Makefile:

DEFS=-DRANDSAVENAME=\"/usr/local/prngd/var/prngd-seed\" \
-DCONFIGFILE=\"/usr/local/prngd/etc/prngd.conf\"

  # compile source: make
  # strip prngd
  # cp prngd /usr/local/prngd/bin
  # cp contrib/OSR5/prngd.conf.osr5 /etc/prngd.d
  # chmod 644 /etc/prngd.d/prngd.conf
  # touch /usr/local/prngd/var/prngd-seed 
  # chown prngd:prngd /usr/local/prngd/var/prngd-seed
  # chmod 600 /usr/local/prngd/var/prngd-seed
  # (netstat -s;netstat -an) >/usr/local/prngd/var/prngd-seed

o Install rc scripts:

  # cp contrib/OSR5/prngd.rc.osr5 /usr/local/prngd/bin/prngd.rc
  # chmod 755 /usr/local/prngd/bin/prngd.rc
  # ln -s /usr/local/prngd/bin/prngd.rc /etc/init.d/prngd
  # /etc/init.d/prngd enable

o Start PRNGD:

  # /etc/init.d/prngd start