In this article, we explained how to change ulimit values permanently for a user or all user in Linux.
The ulimit is a mechanism to restrict the number of various resources a process can consume. There’s a shell command to set the ulimit for processes that are started in that shell.
It will provide control over the resources a user or a process in a shell can use. You can list the current setting of ulimit values by login as your user and type the following commands
# ulimit –Hn 4096 # ulimit –Sn 1024
Default values should be 4096 and 1024 respectively.
ulimit -Sv 500000 # Set ~500 mb limit
So it will also determine the number of open files a user can open or edit. For increasing the ulimit, you need to change those parameters in a configuration file
vi /etc/security/limits.conf * hard nofile 50000 // we have mentioned to all user(*) * soft nofile 50000 // we have mentioned to all user(*)
This how you can change ulimit values permanently for a user or all user in Linux
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