Changing Values in the Kernel Post: 1867

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1. Programming

kernel values related to mmap

Hi there... I am maitaining an archaic application which is using mmap for file transfering/routing. There are over 500 instances of the application running without any issues for almost 2 decade. Now, the problem is that the on one particular server (HP-UX 11), sometimes the mmap is failing...

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kernel parameter values

Hi All Need to find kernel parameter values of our UNIX box. /filesys1/tmp>uname -a HP-UX hps1_dc B.11.11 U 9000/800 1681349356 unlimited-user license /filesys1/CDBLprodrun/tmp> Can anyone help me with the cmd to find kernel parameter values? Thanks in advance.

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Changing values with increasing numbers!

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Which file is read by kernel to set its default system kernel parameters values?

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Changing and swapping the Values in the files

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Changing Dynamic Tunable parameters in the kernel

To fix an "issue" we're having I need to update SHMMAX from 1GB to 2Gb, it's a dynamic parameter so am just wondering how flexible it really is. As Oracle is running on the server do I need to shut that down to change the parameter or will it just take the change on the fly? Also how would I...

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Changing values in the first column.

I have a file which looks like this: 1 3 5 5 3 2 1 5 3 6 3 2 0 5 6 3 2 9 0 4 5 6 4 9 In the first column, instead of 1, I want to place +1 and instead of 0, I want -1 to be put. So the generated file should look like this: +1 3 5 5 3 2 +1 5 3 6 3 2 -1 5 6 3 2 9 -1 4 5 6 4 9 Just to...

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snmp::info::layer3::sun

Info::Layer3::Sun(3pm)					User Contributed Perl Documentation				    Info::Layer3::Sun(3pm)

NAME

       SNMP::Info::Layer3::Sun - SNMP Interface to L3 Sun Solaris

AUTHOR

       begemot

SYNOPSIS

	# Let SNMP::Info determine the correct subclass for you.
	my $sun = new SNMP::Info(
				 AutoSpecify => 1,
				 Debug	     => 1,
				 DestHost    => 'mysunrouter',
				 Community   => 'public',
				 Version     => 1
			       )
	   or die "Can't connect to DestHost.
";

	my $class      = $sun->class();
	print "SNMP::Info determined this device to fall under subclass : $class
";

DESCRIPTION

       Subclass for Generic Sun Routers running SunOS

   Inherited Classes
       SNMP::Info::Layer3

   Required MIBs
       Inherited Classes' MIBs
	   See "Required MIBs" in SNMP::Info::Layer3 for its own MIB requirements.

GLOBALS

       These are methods that return scalar value from SNMP

       $sun->vendor()
	   Returns 'sun'

       $sun->os()
	   Returns 'sun'

       $sun->os_ver()
	   Returns the software version extracted from message of the day.

       $sun->model()
	   Returns 'Solaris Router'

       $sun->serial()
	   Returns serial number

   Globals imported from SNMP::Info::Layer3
       See documentation in "GLOBALS" in SNMP::Info::Layer3 for details.

TABLE METHODS

       These are methods that return tables of information in the form of a reference to a hash.

   Overrides
       $sun->i_ignore()
	   Returns reference to hash.  Increments value of IID if port is to be ignored.

	   Ignores loopback

   Table Methods imported from SNMP::Info::Layer3
       See documentation in "TABLE METHODS" in SNMP::Info::Layer3 for details.

perl v5.12.4							    2011-09-28						    Info::Layer3::Sun(3pm)