File descriptor: Difference between revisions
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The soft limit is the value a user starts with after login and the hard limit is the value a user is allowed to raise the value to. | The soft limit is the value a user starts with after login and the hard limit is the value a user is allowed to raise the value to. | ||
Changes can be made with {{Command|ulimit -n 8192}} | Changes can be made with {{Command|ulimit -n 8192}} | ||
{{Note|For users this gets applied at login via pam_limits.so. When running a daemon it may have to set this by its own.}} | |||
Revision as of 17:27, 23 May 2013
Global limit
Display
# cat /proc/sys/fs/file-max
Change
File: /etc/sysctl.conf
fs.file-max = 65536
Apply the changes made in sysctl.conf.
# sysctl -p
Per-user limit
Display
# ulimit -n
Change
File: /etc/securitty/limits.conf
username soft nofile 4096 username hard nofile 16384
Instead of username you can also use * as a wildcard.
The soft limit is the value a user starts with after login and the hard limit is the value a user is allowed to raise the value to.
Changes can be made with
$ ulimit -n 8192
Note: For users this gets applied at login via pam_limits.so. When running a daemon it may have to set this by its own.