The problem that ulimit cannot be executed using sudo in linux

First look at what ulimit is: submit :...

First Look what ulimit is: http://baike.baidu.com/view/4832100.htm

In linux, you can use ulimit to modify the maximum number of files simultaneously opened by a process.

However, if your account is not a root account, but has sudo permissions

Sudo ulimit-n 65535

When you encounter: sudo: ulimit: command not found

The cause of the problem has not been finalized

Solution:

Sudo vi/etc/pam. d/su
 
Add pam_limits.so module reference
Session required pam_limits.so
 
Then set the limit on the number of opened files for the account. we recommend that you set it to * (all accounts)
 
Edit sudo vi/etc/security/limits. conf file
 
* Soft nofile 4084
* Hard nofile 4084
 

OK, reboot it, and then you can see it takes effect through ulimit-.

From: sumekey blog