Hp için Kernelde parametre setleme ve görüntüleme komutları
no child process hataları alıyorsanız kernelda max process limitini artırmanız gerekebilir.
/usr/sbin/kctune is the administrative command for HP-UX kernel
tunable parameters. It gives information about tunable parameters and
their values, and makes changes to tunable values.
To list all tunable paramters :
# kctune
Tunable Value Expression Changes
NSTREVENT 50 Default
NSTRPUSH 16 Default
NSTRSCHED 0 Default
STRCTLSZ 1024 Default
STRMSGSZ 65535 65535
acctresume 4 Default
acctsuspend 2 Default
aio_listio_max 256 Default Immed
aio_max_ops 2048 Default Immed
….
#
To list details about particular paramter:
# kctune -v -q maxuprc
Tunable maxuprc
Description Maximum number of processes for each non-root user
Module pm
Current Value 29995
Value at Next Boot 29995
Value at Last Boot 29995
Default Value 256
Constraints maxuprc >= 3
maxuprc <= nproc - 5
Can Change Immediately or at Next Boot
Changing the paramter values :
# kctune maxuprc=29990
WARNING: The automatic ‘backup’ configuration currently contains the
configuration that was in use before the last reboot of this
system.
==> Do you wish to update it to contain the current configuration
before making the requested change? y
* The automatic ‘backup’ configuration has been updated.
* The requested changes have been applied to the currently
running system.
Tunable Value Expression Changes
maxuprc (before) 29995 29995 Immed
(now) 29990 29990
Verify after changing :
# kctune -v -q maxuprc
Tunable maxuprc
Description Maximum number of processes for each non-root user
Module pm
Current Value 29990
Value at Next Boot 29990
Value at Last Boot 29995
Default Value 256
Constraints maxuprc >= 3
maxuprc <= nproc - 5
Can Change Immediately or at Next Boot
The maxuprc parameter is to set the maximum number of process a non-root user can run.