On the left menu, go to the System Modules, open the page

This page is used to upgrade the system, install modules, upgrade the module, uninstall the module

As above, you can see the version of system, installed modules and not install modules

System Upgrade: show the current version of system.If there are the new version, there will show the upgrade version.

Installed Modules: show the installed modules in the system.(the system upgrade to the next version,the installed modules will show the upgrade information if there is the upgrade)

Can Be Install Module: show the modules which can be used to install in the system

On the above picture,you can see the current version is 2.0-beta,and next upgrade version is 2.0

System upgrade step ,include

• Auto download the upgrade file in the system
• Download the upgrad file by manual(if there is no upgrade files in the system by auto)

The system upgrade file need to put into /var/www/html/asterCC/data/_cache/ .When there are the files,so reopen the `System Modules` page,you will see the `upgrade` button shown on behide,and click it will auto upgrade.

• System auto download the upgrade file

On System → Settings page,under the `ADVANCED SETTINGS SYSTEM` menu,you can see the `Auto Download UpgradePack` parameter.If it is yes,then the system will auto download the upgrade package early in the morning.If you set this parameter to no,you need to download the upgrade file manually

• Manually download

If you see the upgrade information,you can click the `download` button to download the upgrade package.Then you will see the picture,like this:

Choose one to download,After finishing it,you can upload the upgrade package to /var/www/html/asterCC/data/_cache/,there are two pattern to upload

• Upload by FTP tools
• Upload by click the upload button on the page

When click the upgrade button,it will show:

If you want to continue,click ok,then it will upgrade

In the upgrade process,there will disappear several problems:

• Upgrade package MD5 check error,like this:

• Configure file error,like below:

• Stop upgrade process

It doesn't have the system file's permision, so you can login the systen by SSH,then execute below code:

chmod 777 /var/www/html/asterCC/app/app_controller.php

let the app_controller.php file's permision to 777

• 413 Request Entity Too Large

Use SSH tool to login the system,then execute this code:

vi /etc/php.ini

open the PHP configure file,and find :

upload_max_filesize = 20M

change 20M to 80M(the value need to high the file size of upgrade package)

upload_max_filesize = 80M

and execute :

vi /usr/local/nginx/conf/nginx.conf

open the nginx configure file,find:

client_max_body_size 20M;

change 20M to 80M

client_max_body_size 80M;

save the change,then execute

service nginx restart

restart Nginx server, and upload again.