sysctl
"sysctl - configure kernel parameters at runtime" - man sysctl
/etc/sysctl.conf
is for storing permanent changes, sysctl
is used for making changes to the running system.
sysctl command examples
Show all kernel variables for the in-memory kernel
sysctl -a
Assign a new variable for the running kernel to use
sysctl -w variable=value
Load values from /etc/sysctl.conf
sysctl -p
sysctl.conf examples
Reboot after 10 seconds if kernel panics
kernel.panic = 10
Treat all oopses as panics
kernel.panic_on_oops = 1