GlusterFS is an open-source, scale-out network-attached storage filesystem that aggregates storage from multiple servers into a single, unified namespace. It supports replication, distribution, and striping, making it suitable for workloads that require high availability or large aggregate capacity without specialized hardware. On RHEL 8, GlusterFS packages are available through the CentOS Storage SIG repository, allowing […]
Introduction How to Install Elasticsearch on CentOS Stream 9 on CentOS Stream 9 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is reproducible […]
Introduction This guide explains how to Set Up Minio Object Storage on Debian 9 on Debian 9 Stretch. Debian Stretch uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 9 install with […]
Introduction Debian 11 Bullseye is built around the ethos of stability and free software. Setting up enable brotli compression on nginx on debian 11 on Bullseye leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bullseye freeze. Follow each step carefully […]
RHEL 8 ships multiple Java Development Kits through the AppStream module, allowing teams to run Java 11 and Java 17 workloads side by side on the same host without conflicts. The alternatives system acts as a switchboard, letting administrators change the active JDK globally or per user in seconds. This tutorial walks through installing Java […]
Introduction This guide explains how to Configure SSH Hardening on Debian 11 on Debian 11 Bullseye. Debian Bullseye uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 11 install with the standard […]
Introduction How to Configure Woodpecker CI on Debian 11 is a fundamental operation for any administrator maintaining a Debian 11 Bullseye server. Debian 11 Bullseye ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 11. This […]
Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying configure software raid on centos stream 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure Software RAID on CentOS Stream 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]
How to Set Up Tripwire for File Integrity Monitoring on RHEL 7 File Integrity Monitoring (FIM) is the practice of detecting unauthorised changes to critical system files, configuration files, and binaries. When an attacker compromises a system, they often modify files to install backdoors, alter logging behaviour, or escalate privileges. Tripwire creates a cryptographic baseline […]
Introduction This guide explains how to Configure iptables Packet Filtering on Debian 11 on Debian 11 Bullseye. Debian Bullseye uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 11 install with the […]
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