Deploy high-availability Stalwart for production
Deploy a free, HAStalwart mail server cluster. A step-by-step guide using Oracle Cloud, Upstash, and CockroachDB for redundant self-hosted email.
Harry talks about XYZ
Hi there! This is my blog where I share my thoughts on Information Technology and other XYZ topics. I'd love to hear from you, so please leave a comment or say hello.
Discover Finland - The pure beauty of northern Europe
Explore Finland, the happiest country in the world, from vibrant Helsinki and magical Lapland to serene Lake Saimaa, complete with essential travel tips.
Cloudflare Tunnel as an alternative to Kubernetes ingress
Learn how to securely expose Kubernetes resources without traditional Ingress by using Cloudflare Tunnel for easy setup, cost savings, and enhanced protection.
How I find IT jobs and projects without a CV
Discover how to passively attract IT jobs and freelance projects by building your online presence, sharing knowledge, and growing your personal brand.
DirectAdmin: Block IPs causing high load
Learn how to identify and block abusive IPs on a DirectAdmin server using CSF to reduce high load and keep your hosting environment secure and efficient.