WARNING: Unable to raise nofile/nproc limit to 64000. Ops Manager may not function correctly.

Warning:

WARNING: Unable to raise nofile limit to 64000. Ops Manager may not function correctly.

WARNING: Unable to raise nproc limit to 64000. Ops Manager may not function correctly.

Solution: 

Add below lines to file /etc/security/limits.d/20-nproc.conf  

mongo     soft    nproc   2047

mongo     hard    nproc   64000

mongo     soft    nofile  4096

mongo     hard    nofile  65536

mongo     soft    stack   10240

Note: here mongo is my os user from which i am installing ops manager.

[mongo@opsmanager bin]$ cat  /etc/security/limits.d/20-nproc.conf

# Default limit for number of user's processes to prevent

# accidental fork bombs.

# See rhbz #432903 for reasoning.

*          soft    nproc     64000

root       soft    nproc     unlimited

mongo     soft    nproc   2047

mongo     hard    nproc   64000

mongo     soft    nofile  4096

mongo     hard    nofile  65536

mongo     soft    stack   10240