Limit the number of Linux normal user processes __linux

Command:

Ulimit-a is used to display current user process restrictions;

1 Remove the maximum number of processes and maximum file opening limits for Linux systems:

Vi/etc/security/limits.conf

# Add the following line

* Soft Noproc 11000

* Hard Noproc 11000

* Soft Nofile 4100

* Hard Nofile 4100

Description: * For all users, at the beginning of @

Noproc represents the maximum number of processes

Nofile is the maximum number of file open

2 Allow SSH to accept login program login, easy to view ulimit-a resource restrictions on SSH client:

A, Vi/etc/ssh/sshd_config

Change the value of Userlogin to Yes and remove the # annotation

b, restart the SSHD service:

/etc/init.d/sshd restart

3 Modify all Linux users ' environment variable files:

Vi/etc/profile

Ulimit-u 10000

Ulimit-n 4096

Ulimit-d Unlimited

Ulimit-m Unlimited

Ulimit-s Unlimited

Ulimit-t Unlimited

Ulimit-v Unlimited

Reboot the server