How can you change the kernel parameter to allow a core dump when a process crashes?
Check per-CPU utilization using mpstat and determine if a specific CPU core is under pressure.
You want to permanently change a module parameter for the kvm kernel module. How do you do this?
How do you check all current runtime kernel parameters using sysctl?
You need to reduce the time TCP sockets remain in TIME_WAIT. What parameter do you change?
How can you monitor changes made in /proc/sys in real-time?