02-09-2002
kernel parameter
Hi all
I am using HPUX 11.00 .its a HP9000 L class server with 1gb ram and dual processor 540Mhz.
i want to know abt the two kernel parameter mentioned below
1)maxdsize
2)maxssize
these two parameter has the default values and it has not been changed once.
as some application on this server while running it is giving some out of memory error and some body told me i need to increase these two parameters.
one more thing how can i increase swap memory in HP unix.
swap -a comand in solaris is not available in Hpux
waiting for ur suggestions
thanks
praful
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LEARN ABOUT HPUX
nfs_portmon
nfs_portmon(5) File Formats Manual nfs_portmon(5)
NAME
nfs_portmon - enable/disable the NFS server's source port verification check
VALUES
Failsafe
Default
Allowed values
DESCRIPTION
controls some security checking that the NFS server can do in an attempt to enforce integrity on the part of its clients. The NFS server
can check to see whether the source port from which a request was sent is a reserved port; a reserved port is a port whose port number is
less then 1024. For BSD-based systems, these ports are reserved for processes being run by privileged users. This checking helps prevent
users from writing their own RPC-based applications which defeat the access checking that the NFS server uses.
Who Is Expected to Change This Tunable?
The distributed file system administrator should examine the value of this parameter if he or she wishes to prevent malicious users from
gaining access to files by using an NFS server they would not ordinarily be able to access.
Restrictions on Changing
The tunable is dynamic; any change will take effect immediately on the running system.
The reserved port notion is not universally supported. Therefore, interoperability problems might result if this checking is enabled.
What Are the Side Effects of Enabling This Check?
Some NFS clients may not be able to connect to the NFS server.
WARNINGS
All HP-UX kernel tunable parameters are release specific. This parameter may be removed or have its meaning changed in future releases of
HP-UX.
Installation of optional kernel software, from HP or other vendors, may cause changes to tunable parameter values. After installation,
some tunable parameters may no longer be at the default or recommended values. For information about the effects of installation on tun-
able values, consult the documentation for the kernel software being installed. For information about optional kernel software that was
factory installed on your system, see at
AUTHOR
was developed by Sun Microsystems, Inc.
SEE ALSO
kctune(1M), sam(1M), gettune(2), settune(2).
Tunable Kernel Parameters nfs_portmon(5)