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Tip: Use ssh_config or systemd.unit for dotted names.

add a key to the kernel's key management facility

mykey "Some payload" Key ID is 64a4dca $ grep '64a4dca' /proc/keys 064a4dca I--Q--- 1 perm

request a key from the kernel's key management facility

instantiated: $ ./t_request_key user mtk:key1 "Payload data" $ grep '2dddaf50' /proc/keys 2dddaf50 I--Q--- 1 perm

pr_mpx_enable_management(2)
enable or disable kernel management of Memory Protection eXtensions (MPX)
```
like with the following command: cat /proc/cpuinfo | grep ' mpx ' A thread may not switch
```

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