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proc.5: ffix
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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man5/proc.5
53
man5/proc.5
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@ -4149,19 +4149,46 @@ the file contains 1 meaning that every possible SysRq request is allowed
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and you were required to specifically enable it at run-time,
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but this is not the case any more).
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Possible values in this file are:
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0 - disable sysrq completely
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1 - enable all functions of sysrq
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>1 - bit mask of allowed sysrq functions, as follows:
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2 - enable control of console logging level
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4 - enable control of keyboard (SAK, unraw)
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8 - enable debugging dumps of processes etc.
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16 - enable sync command
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32 - enable remount read-only
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64 - enable signaling of processes (term, kill, oom-kill)
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128 - allow reboot/poweroff
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256 - allow nicing of all real-time tasks
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.RS
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.TP 5
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0
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Disable sysrq completely
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.TP
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1
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Enable all functions of sysrq
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.TP
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> 1
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Bit mask of allowed sysrq functions, as follows:
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.PD 0
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.RS
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.TP 5
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\ \ 2
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Enable control of console logging level
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.TP
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\ \ 4
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Enable control of keyboard (SAK, unraw)
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.TP
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\ \ 8
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Enable debugging dumps of processes etc.
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.TP
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\ 16
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Enable sync command
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.TP
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\ 32
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Enable remount read-only
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.TP
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\ 64
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Enable signaling of processes (term, kill, oom-kill)
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.TP
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128
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Allow reboot/poweroff
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.TP
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256
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Allow nicing of all real-time tasks
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.RE
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.PD
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.RE
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.IP
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This file is present only if the
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.B CONFIG_MAGIC_SYSRQ
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kernel configuration option is enabled.
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