How Do I Change Hard and Soft Limits in Linux?

How do I change the hard limit in Linux?

To Increase the File Descriptor Limit (Linux)

1. Display the current hard limit of your machine. …
2. Edit the /etc/security/limits.conf and add the lines: * soft nofile 1024 * hard nofile 65535.
3. Edit the /etc/pam.d/login by adding the line: session required /lib/security/pam_limits.so.

What is hard limit and soft limit in Linux?

The hard limit is the maximum value that is allowed for the soft limit. Any changes to the hard limit require root access. The soft limit is the value that Linux uses to limit the system resources for running processes. The soft limit cannot be greater than the hard limit.