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05-09-2017 01:00 PM
05-09-2017 01:00 PM
I have tried to change kernel paramaet using kctune which will take affect in next reboot.
I have decided not to change that parameter, how can I roll back to old values?
kctune maxfiles_lim=nnnn
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05-10-2017 08:11 AM
05-10-2017 08:11 AM
Solutionkctune maxfiles_lim=old_value
However, maxfiles_lim changes are immediate, no reboot necessary.
# kctune maxfiles_lim=5000 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 maxfiles_lim (before) 4096 4096 Immed (now) 5000 5000 # kctune maxfiles_lim=4096 * The automatic 'backup' configuration has been updated. * The requested changes have been applied to the currently running system. Tunable Value Expression Changes maxfiles_lim (before) 5000 5000 Immed (now) 4096 4096
Bill Hassell, sysadmin
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