Questions tagged [sysrq]
2 questions
10
votes
1 answer
Difference between reboot -n and echo b > /proc/sysrq-trigger?
On Linux (specifically, RHEL derivatives CentOS and Fedora), is there a difference?
echo b > /proc/sysrq-trigger
"Immediately reboot the system, without unmounting or syncing filesystems," according to Wikipedia.
reboot -n
"Don’t sync before…

sh-beta
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2
votes
1 answer
Is SysRq reboot any better than Ctrl-Alt-Del in case of freeze (debian distro)?
/etc/inittab
# What to do when CTRL-ALT-DEL is pressed.
ca:12345:ctrlaltdel:/sbin/shutdown -t1 -a -r now
Is a well-known safe-reboot via Alt + SysRq + RSEIUB any better
in terms of response or safety than Ctrl-Alt-Del on a debian?
Why?

jonny
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