Rich Shepard <rshep...@appl-ecosys.com> writes:
> A java application threw a major error when closing and it crashed my
> system (including wiping out most of /tmp). After rebooting I su'd to user
> postgres and tried to start postgresql-9.5.4, but this error displays:
> postgres@salmo:~$ FATAL: could not open shared memory segment
> "/PostgreSQL.1804289383": Permission denied
Wrong permissions on /dev/shm, perhaps? On Linux I believe it should
always be
drwxrwxrwt. 2 root root 160 Sep 30 15:23 /dev/shm/
Although TBH, the first question you should be asking yourself is why
you're running *any* java application with root privileges, which is
what I think would be needed to let this happen.
regards, tom lane
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