Linux modified maximum file open, handle number

1. View The Linux system version number Cat/etc/issue See all Linux machines for CentOS release 5.5 (Final)

2. Modify The method according to linux5.x:

A. log in as root, modify the system parameter number configuration , vi/etc/sysctl.conf

kernel.msgmax=65536(modified parameters)

Fs.file-max = 65536 (new parameter)

Run the sysctl-p command to make the parameters effective immediately after the modification is complete.

B. Root user Modify vi/etc/security/limits.conf after adding the following configuration at the end, log back in to the system.

* Soft Nproc 65536

* Hard Nproc 65536
* Soft Nofile 65536

* Hard Nofile 65536

C. using the normal user Cisco Login System to execute the command ulimit-a View the modified content has taken effect:

[Email protected] ~]$ ulimit-a

Core file size (blocks,-c) 0
Data seg Size (Kbytes,-D) Unlimited
Scheduling Priority (-e) 0
File size (blocks,-f) Unlimited
Pending signals (-i) 34816
Max locked Memory (Kbytes, L) 32
Max memory Size (Kbytes,-m) unlimited
open Files (-N) 65536
         pipe size             (512  BYTES, -P)  8
       POSIX message queues       (bytes, -q)  819200
       real-time priority                (-R)  0
        stack size                (kbytes, -s)  10240
       cpu  time                (seconds,  -T)  unlimited
         MAX User Processes (-u) 65536
Virtual Memory (Kbytes,-V) Unlimited
File locks (-X) Unlimited

This article is from the "less stubborn" blog, please be sure to keep this source http://xushaojie.blog.51cto.com/6205370/1697449

Linux modified maximum file open, handle number