First decide what hostid you want to set the system to.
NOTE: THE CODE BELOW ONLY APPLIES TO SOLARIS X86
You need to add lines to the bottom of /etc/rc2.d/S20sysetup (which is executed when the system boots).
This is a copy of the whole file after I've added the lines to the bottom with comments to explain what I'm doing............
THIS IS PROVIDED AS AN EXAMPLE ONLY. INPUT YOUR OWN VALUES FOR HOSTID.
Code:
#!/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!
#
Once you've done the added lines you can test it without rebooting by executing:
Code:
/etc/rc2.d/S20sysetup
The hostid should change on the fly (or you should get an error telling you what's wrong. Obviously syntax is critical).
Hope that helps. I've just tested it on Solaris 10 (x86).
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LEARN ABOUT REDHAT
pvmfmstat
MSTAT(3PVM) PVM Version 3.4 MSTAT(3PVM)NAME
pvm_mstat - Returns the status of a host in the virtual machine.
SYNOPSIS
C int mstat = pvm_mstat( char *host )
Fortran call pvmfmstat( host, mstat )
PARAMETERS
host Character string containing the host name.
mstat Integer returning machine status:
value MEANING
PvmOk host is OK
PvmNoHost host is not in virtual machine
PvmHostFail host is unreachable (and thus possibly failed)
DESCRIPTION
The routine pvm_mstat returns the status mstat of the computer named host with respect to running PVM processes. This routine can be used
to determine if a particular host has failed and if the virtual machine needs to be reconfigured. The function pvm_notify() can also be
used to notify the caller that a host has failed.
EXAMPLES
C:
mstat = pvm_mstat( "msr.ornl.gov" );
Fortran:
CALL PVMFMSTAT( 'msr.ornl.gov', MSTAT )
ERRORS
These error conditions can be returned by pvm_mstat
PvmSysErr
pvmd not responding.
PvmNoHost
giving a host name not in the virtual machine.
PvmHostFail
host is unreachable (and thus possibly failed).
SEE ALSO pvm_notify(3PVM), pvm_config(3PVM)
30 August, 1993 MSTAT(3PVM)