Cantaloop operation - Infrastructure, services, applications

🌍 Day to day operation of Cantaloop infrastructure and service.

Notes for operation, restart, upgrade reconfigure, renew, monitor, anything related

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🧾 Operation, restart, upgrade, update, monitor, maintenance notes

*Build chapters for each topic**

Core OS Certbot Nextcloud *More

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1) 🎯 Core OS - Ubuntu Linux

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2) 🧠 Certbot

2.1 TLS in use

• cantaloop.dk
• elastic.cantaloop.dk
• llm.cantaloop.dk
• nextcloud.cantaloop.dk

2.2 Onboard, Status, Dryrun, Renew, Delete

• create nginx and request TLS via certbot.

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3) 🧠 Nextcloud

3.1 settings

• Install dir /var/www.nextcloud, subdomain nextcloud.cantaloop.dk, hosted by my nginx
• Its mostly PHP depending on package php8.3-fpm
• and a database on my mariadb with name nextcloud
• Data is located under /var/www/nextcloud/data
• Log files to be seen here /var/www/nextcloud/data/nextcloud.log
• Services
  • sudo systemctl status nginx
  • sudo systemctl status php8.3-fpm
  • systemctl status mariadb

3.2 Upgrade

• Web based via Admin -> Settings -> Click Open updater
• Click Start update
• Running the /updater
• Can also do from CLI with cd /var/www/nextcloud; ./occ upgrade

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Last updated: February 2026
Source: Cantaloop Aps.