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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Install and Secure MariaDB on Linux (Ubuntu & AlmaLinux)
Install MariaDB on Ubuntu and AlmaLinux. Secure with mysql_secure_installation, create users, and enable remote access safely.
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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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Self-Hosted GitHub Actions Runner on Linux
Set up a self-hosted GitHub Actions runner on Linux. Install, configure, and run CI/CD workflows on your own…
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nftables Firewall Basics on Linux (Replace iptables)
Configure nftables firewall on Rocky Linux, AlmaLinux, and Fedora. Allow SSH and web ports with a simple ruleset.
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Harden OpenSSH on Linux Servers (Secure sshd_config)
Harden OpenSSH on Linux: disable root login, use key-only auth, change port, and limit users with sshd_config.
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Nginx Reverse Proxy on Linux (Proxy Pass + SSL)
Configure Nginx as a reverse proxy on Linux. Proxy pass to apps, set headers, and terminate SSL with…
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Extend LVM Logical Volume on Linux (Step-by-Step Guide)
Extend an LVM logical volume on Linux when disk is full. Add PV, extend VG/LV, and grow XFS…
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Deploy WordPress with Docker Compose on Linux (Nginx + MySQL Stack)
Deploy WordPress on Linux using Docker Compose. MySQL database, WordPress container, persistent volumes, and production-ready stack file.
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