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How to check which SysRq functions are enabled?

Fresh3 days ago
Mar 15, 202610937 views
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Problem

The file contains a single number, such as: (enable all SysRq commands), (disable all), or a base-10 positive integer which functions as a binary bitmask, enabling a subset of functions. Could someone please tell me which SysRq functions are allowed/disallowed when the bitmask is set to ?

Error Output

$ cat /proc/sys/kernel/sysrq
438

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Fix for: How to check which SysRq functions are enabled?

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These are the available SysRq functions: = , so only the functions associated with those numbers are allowed. Read all about it in the documentation. If you convert to base 2 ( ) it is even easier to see. Depending on your distribution, you may be a…

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