How can I voluntarily crash my machine to test if netdump/diskdump/kdump I configured works?

Updated -

Netdump, Diskdump (in Red Hat Enterprise Linux 3/4), and Kdump (in Red Hat Enterprise Linux 5) are three different kernel crash dump facilities that are shipped with Red Hat Enterprise Linux.

After configuring one of these three kernel crash dump facilities, run the following commands to test if it works.

# echo 1 > /proc/sys/kernel/sysrq
# echo c > /proc/sysrq-trig...

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