How to Set ulimit on amazon linux | CentOS based?

aws-linux-ulimit.md

sudo vim /etc/security/limits.conf

ec2-user soft nofile 65536
ec2-user hard nofile 65536

root soft nofile 65536
root hard nofile 65536

vim ~/.bashrc

sudo sysctl -w net.ipv4.ip_local_port_range="1025 65535"
echo 300000 | sudo tee /proc/sys/fs/nr_open
echo 300000 | sudo tee /proc/sys/fs/file-max

Logoff and login again in SSH.

ulimit -n