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Certbot

5 articles · Page 1 of 1
Tech Ocean
Tech Ocean
May 17, 2026 · Operations

Set Up HTTPS on Ubuntu in 10 Minutes with Certbot and Automatic 90‑Day Renewal

This guide walks through installing Certbot on Ubuntu, obtaining a Let’s Encrypt certificate for both the root and www domains in under three minutes, automatically configuring Nginx, enabling systemd‑based 90‑day renewal, and avoiding common pitfalls, with an optional acme.sh alternative.

CertbotHTTPSLet's Encrypt
0 likes · 7 min read
Set Up HTTPS on Ubuntu in 10 Minutes with Certbot and Automatic 90‑Day Renewal
Selected Java Interview Questions
Selected Java Interview Questions
Oct 22, 2025 · Backend Development

How to Seamlessly Migrate a Spring Boot 3.0 App from HTTP to HTTPS

This comprehensive guide walks you through migrating a Spring Boot 3.0 JavaWeb application from HTTP to HTTPS, covering certificate acquisition (including Let’s Encrypt), conversion to Java keystore, Spring Boot and reverse‑proxy configuration, application adjustments, automated renewal, testing, rollback, and ongoing monitoring.

CertbotHTTPSJava
0 likes · 13 min read
How to Seamlessly Migrate a Spring Boot 3.0 App from HTTP to HTTPS