Oracle Linux-How to Check users percentage of open files, processes and pending signals

APPLIES TO:

Linux OS–Version Oracle Linux 7.0 to Oracle Linux 9.0 [Release OL7 to OL9]
Linux x86_64 on Oracle Public Cloud
Oracle Cloud Infrastracture

GOAL:

This document explains how to check current user's percentage of open files, processes and pending signals on Oracle Linux instances and will show if we reach the maximum.

SOLUTION:

This script will collect and show in percentage who much processes, open files and pending signals the current user is using:

Save the following into a file, such as userpercentage.sh:

paste <(grep 'open files\|processes\|pending signals' \

             /proc/self/limits | cut -c27-38)        \

     <(i=`whoami`

       lsof -n -u $i 2> /dev/null |