memo

kernel.shmmax = 33554432
kernel.shmall = 2097152
kernel.shmmni = 4096

$ perl -e 'use POSIX; print sysconf(_SC_PAGESIZE),"\n"';
4096
# /sbin/sysctl -w kernel.shmmax=2147483648

For permanent change to the system,in /etc/sysctl.conf, add "kernel.shmmax=4294967296", for example, at the end of the file.

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