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How to Install and Configure Open Journal Systems (OJS) Properly
Installing OJS requires more than just copying files. This guide covers the correct database setup, file permissions, and configuration for academic journals.
Real Problem
Many institutions try to install OJS using one-click installers or incorrect server permissions, leading to frustrating 500 errors or failed PDF uploads.
Practical Solution
Installing OJS correctly involves matching PHP versions, securing the public files directory, and configuring the database safely before the first journal is created.
Server Requirements And PHP Versions
OJS is very specific about its PHP requirements. Using a PHP version that is too new or too old can break the installation entirely.
Always check the PKP requirements for your specific OJS version before starting.
File Permissions And Security
OJS requires a separate directory for uploaded files that should ideally not be accessible directly from the web.
Setting correct 755 and 644 permissions ensures security while allowing editors to upload PDFs and submissions.
Database Configuration
Create a dedicated MySQL database with proper collation (usually utf8mb4) to support international characters and multiple languages.
Using a strong password and isolated database user is critical for journal security.
The First Steps After Installation
Once installed, configure the site administrator, enable SSL in the config file, and setup cron jobs to handle email notifications automatically.
A proper post-installation checklist prevents workflow issues later.
Step-by-Step Action Plan
Check server compatibility
Ensure PHP, MySQL, and required extensions are active.
Setup the files directory
Create a secure folder outside the public web root for submissions.
Run the web installer
Complete the database connection and administrator setup via the browser.
Questions People Usually Ask
What PHP version does OJS need?
It depends on the version. OJS 3.3 typically requires PHP 7.3 to 8.0, while OJS 3.4 supports PHP 8.0+.
Why are my PDF uploads failing in OJS?
Usually due to incorrect file permissions on the submission folder or PHP limits being too low.
Can I install OJS on shared hosting?
Yes, if the shared hosting allows custom PHP settings and file permissions, but VPS/NVMe hosting is recommended for performance.
Need help installing OJS?
StarHost.pk provides professional OJS installation and optimized hosting for universities.