How to Upgrade OJS 3.3 to 3.5: Pre-Flight Checks, Upgrade and Rollback
Upgrade OJS 3.3 directly to 3.5: fix pre-flight blockers first, move to PHP 8.2+, merge config, run upgrade.php, switch cron and keep a tested rollback.
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Ubuntu
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2026
1 article
2025
5 articles
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How to Install Open Journal Systems (OJS) 3.5 on Ubuntu 22.04
Install Open Journal Systems 3.5 on Ubuntu 22.04 with Apache, PHP 8.3, MariaDB and Let's Encrypt, plus cron, email and permissions.
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DSpace 9.1 Installation Guide for Ubuntu 22.04
Install DSpace 9.1 backend and Angular frontend on one Ubuntu 22.04 server with PostgreSQL, Solr 9, PM2, Nginx and Let's Encrypt.
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How to Install VuFind 10 on Ubuntu 24.04
Install VuFind 10 on Ubuntu 24.04 from the official .deb, run the auto-configuration, import MARC records and keep Solr running as a service.
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How to Upgrade OJS 3.2.x to 3.3.0-20 on Ubuntu
A tested OJS 3.2 to 3.3 upgrade process: backups, swapping the code, running upgrade.php, and fixing the errors that usually appear.
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How to Install Uptime Kuma on Ubuntu 22.04
Self-host Uptime Kuma 2.x on Ubuntu with Node.js 22 and PM2, behind Nginx with HTTPS, plus updates, backups and useful first monitors.
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