Nginx server settings update for memory limit

1. Login to SSH through putty

2. Redirect to PHP config file as like below.
 cd /etc/php-fpm.d   

 3. List all files from  “php-fpm.d”    directory using below comment
     ls -a

4. Edit respective domain config file using below comment
     vi domainname.conf

5. Use “i” letter in windows to change the comment view files into edit mode.

6. Add below line if its not exist in the config file. OR update values based on your need.
      php_admin_value[memory_limit] = 500M
      php_admin_value[post_max_size] = 500M should be larger than upload_max_filesize and smaller than memory_limit.
      php_admin_value[upload_max_filesize] = 450M    (Important: This value should be low compare to other value)
      php_admin_value[max_input_time] = 3000
      php_admin_value[max_execution_time] = 3000

7. user “Esc” and type “:wq” to save and quit. Also, please refer more file edit comment options below.
     vi filename — Edit file
     i to insert
     a to append
     x to delete
     dd to delete a line
     : to begin a command sequence
     :w to save
     :q to quit
     :q! to quit without saving
     :wq to save and quit

8. Finally restart the PHP using below comments.

      In order to restart php-fpm, the correct command is
# systemctl restart php-fpm

      To check the state of php-fpm following a restart you can         run:
# systemctl status php-fpm