oracle can not startup by error ORA-27102: out of memory

ISSUE:
Database was shutdown for maintenance but it can not be start up.

ERROR:

ORA-27102: out of memory

Linux-x86_64 Error: 28: No space left on device

CAUSE: 

shmmax was not configured correctly. it also might cause by init file memory parameter or user limitation.

SOLUTION:

edit /etc/sysctl.conf

increate kernel.shmmar to physical memory minus 1

reference:

https://forums.oracle.com/forums/thread.jspa?threadID=2322835&start=15&tstart=0

http://www.orafaq.com/forum/t/175487/0/

http://docs.oracle.com/cd/E11882_01/install.112/e24321/pre_install.htm#CIHEGJEH