Onidel Blog

Tutorials, product updates, engineering insights, and best practices from the Onidel team.

Deploy Self-Hosted GitHub Actions Runners with Auto-Scaling on k3s: Complete ARC Guide for Amsterdam and New York VPS (2025)

Self-hosted GitHub Actions runners offer superior control, cost efficiency, and performance compared to GitHub-hosted runners. By deploying autoscaling runners on a k3s cluster across multiple regions, you can achieve both high availability and optimal performance for your CI/CD workflows. This comprehensive guide walks you through deploying Actions Runner Controller (ARC) on a distributed k3s cluster, […]

20 December 2025

Tutorials

Log Shipping Showdown 2025: Fluent Bit vs Vector vs Logstash Performance Benchmarks on Ubuntu 24.04 VPS

In the rapidly evolving landscape of log management and observability, choosing the right log shipper can significantly impact your infrastructure’s performance, reliability, and cost. With the growing adoption of modern observability stacks like Loki, Elasticsearch, and cloud-native storage solutions like S3, understanding how different log shippers perform is crucial for making informed architectural decisions. Whether […]

20 December 2025

Tutorials

Configure Multiple IPv4/IPv6 Addresses on Ubuntu 24.04 VPS: Complete Guide to Secondary IPs, Floating IP Failover with Keepalived, and Cloud-Init Automation

Modern web applications and services often require multiple IP addresses for various purposes: load balancing, high availability setups, SSL certificate management, or service isolation. Ubuntu 24.04 LTS with Netplan provides robust networking capabilities that make configuring multiple IPv4 and IPv6 addresses straightforward and reliable. This comprehensive tutorial will guide you through configuring multiple IP addresses […]

20 December 2025

Knowledge

Top CDN Providers for VPS in 2025: Complete Performance Analysis of Cloudflare vs Fastly vs Bunny vs Akamai

Choosing the right Content Delivery Network (CDN) for your VPS deployment can dramatically impact user experience, especially when serving global audiences. With web performance directly affecting conversion rates and SEO rankings, understanding which CDN provider delivers the best combination of speed, reliability, and value is crucial for businesses scaling their infrastructure. In this comprehensive analysis, […]

20 December 2025

Knowledge

Master Cloud-Init on Ubuntu 24.04: 30 Production-Ready Templates for Docker, SSH Security, and VPS Automation

Introduction Cloud-init is the industry-standard tool for automating VPS initialization across all major cloud platforms. Whether you’re deploying a single server or managing a fleet of instances, cloud-init enables you to configure users, install packages, set up services, and harden security automatically during boot. This comprehensive guide provides 30 production-ready user-data templates for Ubuntu 24.04 […]

15 December 2025

Tutorials

CIS Hardening Ubuntu 24.04 LTS VPS: Complete Automation Guide with Ansible, SSH MFA, and Compliance Reporting (2025)

Securing your VPS infrastructure according to industry standards is crucial for maintaining robust cybersecurity posture. The Center for Internet Security (CIS) provides comprehensive benchmarks that help organizations implement proven security configurations. This tutorial demonstrates how to automate Ubuntu 24.04 LTS CIS hardening using Ansible, implement SSH multi-factor authentication, configure advanced firewall rules, and establish compliance […]

14 December 2025

Tutorials

Advanced Kubernetes Networking: Deploying Gateway API with Envoy and Cilium for Modern Cloud Infrastructure

Modern Kubernetes networking demands sophisticated traffic management, security, and observability capabilities. The Kubernetes Gateway API represents the next evolution of ingress controllers, offering role-oriented, portable, and expressive interfaces for managing north-south traffic. Combined with Envoy Gateway and Cilium, this stack provides enterprise-grade features including mutual TLS (mTLS), HTTP/3 with QUIC protocol support, and advanced canary […]

14 December 2025

Tutorials

Complete Guide to Email Deliverability on Ubuntu 24.04: SPF, DKIM, DMARC, MTA‑STS, and BIMI Configuration for VPS Mail Servers

Email deliverability remains one of the most critical challenges when self-hosting mail servers on a VPS. With major email providers implementing stricter authentication requirements in 2025, proper configuration of email security protocols is essential for ensuring your messages reach their intended recipients instead of landing in spam folders. In this comprehensive tutorial, we’ll walk you […]

14 December 2025

Knowledge

Prometheus Long-Term Storage in 2025: Thanos vs VictoriaMetrics vs Grafana Mimir Performance Comparison for VPS Deployments

When running Prometheus at scale, the built-in local storage quickly becomes a bottleneck. For organizations processing millions of metrics across distributed systems, choosing the right long-term storage solution can make or break your observability strategy. In 2025, three solutions dominate the Prometheus long-term storage landscape: Thanos, VictoriaMetrics, and Grafana Mimir. This comprehensive comparison evaluates these […]

14 December 2025

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