Solaris

 
#!/sbin/sh
#
# Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
# Use is subject to license terms.
#
# ident "@(#)sysetup 1.27 06/06/05 SMI"
if [ -z "$_INIT_PREV_LEVEL" ]; then
 set -- `/usr/bin/who -r`
 _INIT_PREV_LEVEL="$9"
fi
[ $_INIT_PREV_LEVEL != S -a $_INIT_PREV_LEVEL != 1 ] && exit 0
# Uncomment this line to print the complete system configuration on startup
#[ -x /usr/sbin/prtconf ] && /usr/sbin/prtconf
# If there are trademark files, print them.
[ -d /etc/tm ] && /usr/bin/cat /etc/tm/* 2>/dev/null
#
# Run rctladm to configure system resource controls based on the settings
# previously saved by rctladm.  See rctladm(1m) for instructions on how to
# modify resource control settings.
#
if [ -f /etc/rctladm.conf ] && [ -x /usr/sbin/rctladm ]; then
 /usr/sbin/rctladm -u
fi
#
# Change hostid to 807a6e94
# Convert to decimal value = 2155507348
# Use HEXADECIMAL to BINARY conversion, HEX to Decimal converter, Hexdecimal convertor for heavy lifting
#
# Convert decimal value to ASCII chars = 32 31 35 35 35 30 37 33 34 38
# Use above web site for this too
#
# Pad ASCII char string to eleven values (if necessary) using zeros
# Result 32 31 35 35 35 30 37 33 34 38 0
# If string is only nine chars pad with "00 0" to make eleven
#
# Set the hostid to 807a6e94 - Let's do it!!
echo "hw_serial/v 32 31 35 35 35 30 37 33 34 38 0" | mdb -kw
# That's it!  Job done!
#

 
/etc/rc2.d/S20sysetup