How to Set Up Automated Server Backups with Restic and S3 on Ubuntu
A complete walkthrough for setting up encrypted, deduplicated server backups with Restic and S3-compatible storage on Ubuntu, including systemd timers, verification, and restore procedures.
Read articleNginx vs Caddy in 2026: Which Reverse Proxy Should You Use?
A head-to-head comparison of Nginx and Caddy as reverse proxies in 2026, covering automatic SSL, configuration syntax, performance benchmarks, plugin ecosystems, and guidance on when to choose each.
Read articleZero-Downtime Deployments with K3s and ArgoCD — A Practical Guide
A hands-on guide to achieving zero-downtime deployments using K3s and ArgoCD, covering GitOps workflows, rolling update strategies, health checks, and complete YAML manifests.
Read articleServer Hardening Checklist for Ubuntu 24.04 — The Complete Guide
A comprehensive server hardening checklist for Ubuntu 24.04, covering SSH configuration, firewall setup, fail2ban, unattended upgrades, CIS benchmarks, audit logging, and kernel hardening.
Read articleMySQL Master-Slave Replication Setup Guide
Configure MySQL master-slave replication for read scaling, disaster recovery, and high availability with GTID-based replication and monitoring.
Read articleKubernetes HPA Deep Dive: Scaling Under Load
Configure Kubernetes Horizontal Pod Autoscaler with custom metrics, scaling policies, and behavior tuning for predictable production auto-scaling.
Read articleServer Monitoring with Prometheus and Grafana
Build a production monitoring stack with Prometheus, Grafana, and Alertmanager for infrastructure visibility, custom dashboards, and incident alerting.
Read articleBuilding CI/CD Pipelines with GitHub Actions
Design production-grade CI/CD pipelines using GitHub Actions with matrix builds, environment protection rules, and automated rollback strategies.
Read articleZero-Downtime Kubernetes Deployments: Complete Guide
Master rolling updates, blue-green deployments, and canary releases in Kubernetes to achieve true zero-downtime production deployments.
Read articleFixing "421 Misdirected Request" for Plesk Sites on Ubuntu 22.04 After Apache Update
Resolve the 421 Misdirected Request error affecting all HTTPS sites on Plesk for Ubuntu 22.04 after an Apache update, caused by changed SNI requirements in the nginx-to-Apache proxy chain.
Read articleSecure Static Content Hosting with S3, CloudFront, and Basic Authentication
Learn how to host static assets in S3, serve them globally via CloudFront with Origin Access Control, and enforce Basic Authentication at edge locations using Lambda@Edge.
Read articleHow to Enable IPv6 on AWS EC2 and Troubleshoot
A guide to enabling IPv6 on AWS EC2 instances, covering VPC and subnet configuration, instance-level setup, security groups, NACLs, troubleshooting, and testing IPv6 connectivity.
Read articleThe Ultimate Guide to Linux Server Management in 2025
A comprehensive guide to modern Linux server management covering automation, containerization, cloud integration, AI-driven operations, security best practices, and essential tooling for 2025.
Read articleHow to Troubleshoot and Fix Cloudflare Error 521 on Ubuntu
A practical Ubuntu-focused guide to diagnosing and resolving Cloudflare Error 521, covering origin server checks, web service restarts, firewall rules, resource monitoring, and prevention strategies.
Read articleHow to Troubleshoot and Fix the "Error Establishing a Database Connection" in WordPress
An in-depth troubleshooting guide for the WordPress database connection error, covering wp-config.php verification, password resets, database repair, MySQL service management, and preventive measures.
Read articleAutomating Reverse Charge VAT Notes in WHMCS Invoices
A hands-on guide to automating reverse charge VAT notes on WHMCS invoices, including prerequisite checks, a WHMCS hook for new invoices, and a bulk-update script for existing records.
Read articleHow to Set Up GlusterFS on Ubuntu
A complete guide to setting up a distributed, replicated GlusterFS filesystem across multiple Ubuntu 22.04 nodes, including installation, volume creation, client mounting, maintenance, and troubleshooting.
Read articleUpgrading Magento 2 to the Latest Version: A 10 Step-by-Step Guide
A structured 10-step process for upgrading Magento 2 from v2.4.3 to v2.4.7-p3 on Ubuntu, covering system preparation, backups, staging setup, Composer updates, custom module handling, and post-upgrade optimization.
Read articleHow to Set Up OpenSearch for Magento 2.4.7 on Ubuntu 22.04/24.04
Step-by-step instructions for installing and configuring OpenSearch for Magento 2.4.7 on Ubuntu, including single-node setup, optional cluster configuration, security certificates, and Magento integration.
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