prlimit

Get or set process resource soft and hard limits. Given a process ID and one or more resources, prlimit tries to retrieve and/or modify the limits. More information: https://manned.org/prlimit.

Display limit values for all current resources for the running parent process:

prlimit

Display limit values for all current resources of a specified process:

prlimit --pid {{pid number}}

Run a command with a custom number of open files limit:

prlimit --nofile={{10}} {{command}}