Open source - Sushant Virdi

2026

1 article

27 Sep

Library & Research Systems 14 min read

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.

2025

6 articles

20 Sep

Library & Research Systems 4 min read

The Human Side of Digital Libraries

Beyond the technology: what six years of supporting digital libraries taught me about the students, researchers and learners who use them.
13 Sep

Library & Research Systems 8 min read

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.
1 Jun

Library & Research Systems 7 min read

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.
23 May

Library & Research Systems 8 min read

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.
30 Mar

Infrastructure & Security 6 min read

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.
2 Mar

Infrastructure & Security 5 min read

FreeIPA vs Active Directory (and Where Entra ID Fits)

FreeIPA, Active Directory and Entra ID compared from an admin's view: what each does well, how they work together, and how to choose for your environment.

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