Oracle Solaris System Administration (MOSC)

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Solaris 11.4 SRU90: Limiting signaling to all

in Oracle Solaris System Administration (MOSC)

Protecting you from sending signals to all processes!

kill -9 -1 can send a lot of processes to their untimely demise and can blow up your system. Since Solaris 11.4 SRU 90, this is blocked as the new process flag PRIV_PROC_SENDTOALL allowing sending a signal to all is not set by default. If you really need to send a signal to all processes, you can explicitly enable it with ppriv.

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