HAProxy Load Balancer Setup on Linux (Complete Step-by-Step Guide)
Set up HAProxy on Linux to load balance traffic across multiple web servers: configure frontend/backend, health checks, the…
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Prometheus + Grafana Monitoring Stack on Linux (Complete Setup Guide)
Build a Prometheus + Grafana monitoring stack on Linux: install Prometheus, deploy node_exporter on targets, connect Grafana, import…
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Ansible Playbook Basics for Linux Server Configuration (Step-by-Step)
Learn Ansible from scratch: set up SSH access, build an inventory, run ad-hoc commands, write your first playbook,…
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Automate Proxmox VM Provisioning with Terraform (Complete Guide)
Provision Proxmox VMs with Terraform: create an API token, configure the bpg/proxmox provider, clone a cloud-init template, and…
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Let’s Encrypt SSL with Certbot on Linux (Nginx & Apache)
Install free SSL certificates with Certbot on Linux. Configure Let's Encrypt for Nginx or Apache with auto-renewal.
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Nginx Config Test and Safe Reload Shell Script for Linux
Safely test and reload Nginx on Linux with a Bash script. Validates config before reload and rolls back…
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MongoDB Backup Shell Script for Linux (mongodump Automation)
Automate MongoDB backups on Linux with mongodump, archive compression, retention cleanup, and cron scheduling.
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Docker Compose Production Stack on Linux (Nginx + App + DB)
Deploy a production-ready Docker Compose stack on Linux with Nginx reverse proxy, app container, PostgreSQL, and persistent volumes.
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Install Jenkins on Linux (CI/CD Server Setup Guide)
Install Jenkins on Ubuntu or AlmaLinux for CI/CD. Enable service, open firewall, install plugins, and run your first…
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Docker Container Health Check and Auto-Restart Shell Script
Monitor Docker containers on Linux and auto-restart unhealthy or stopped containers with a Bash script and cron.
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