5.2. Configuring kernel parameters temporarily with sysctl

Procedure

1. List all parameters and their values.

   # sysctl -a

   注意

   The sysctl -a command displays kernel parameters, which can be adjusted at runtime and at boot time.

2. To configure a parameter temporarily, enter:

   # sysctl <TUNABLE_CLASS>.<PARAMETER>=<TARGET_VALUE>

   This sample changes the parameter value while the system is running. The changes take effect immediately and it does not require system reboot.

   注意

   The changes return back to default after your system reboots.