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How to Install Maven on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install Maven on Debian 13

Introduction How to Install Maven on Debian 13 is a fundamental operation for any administrator maintaining a Debian 13 Trixie server. Debian 13 Trixie 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 12. This tutorial […]

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How to Install Java and Configure JAVA_HOME on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install Java and Configure JAVA_HOME on RHEL 9

Java 21 is a Long-Term Support release that brings virtual threads, record classes, and pattern matching to the platform, making it the recommended JDK for new enterprise workloads on RHEL 9. Red Hat ships OpenJDK 21 through the standard dnf repositories, so installation is straightforward and kept in sync with security advisories. This tutorial covers […]

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How to Switch Default Java with update-alternatives on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Switch Default Java with update-alternatives on Debian 13

Introduction This guide explains how to Switch Default Java with update-alternatives on Debian 13 on Debian 13 Trixie. Debian Trixie 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 13 install with […]

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How to Install Rust and Compile System Tools on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install Rust and Compile System Tools on RHEL 9

Rust is a systems programming language that delivers memory safety without a garbage collector, making it an excellent choice for writing reliable system administration tools on RHEL 9. The official installer, rustup, manages toolchain versions independently of the operating system packages and is the recommended installation method. This tutorial covers installing Rust via rustup, building […]

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How to Install Java OpenJDK 17 on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install Java OpenJDK 17 on Debian 13

Introduction This guide explains how to Install Java OpenJDK 17 on Debian 13 on Debian 13 Trixie. Debian Trixie 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 13 install with the […]

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How to Install Go and Build CLI Tools on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install Go and Build CLI Tools on RHEL 9

Go is a statically typed, compiled language from Google that excels at building fast, reliable command-line tools and network services. On RHEL 9, the system repositories may not carry the latest Go release, so installing from the official tarball is the recommended approach. This tutorial walks through downloading Go 1.22+, configuring the environment system-wide, and […]

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How to Install Java OpenJDK 21 on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install Java OpenJDK 21 on Debian 13

Introduction Debian 13 Trixie is built around the ethos of stability and free software. Setting up install java openjdk 21 on Trixie leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Trixie freeze. Follow each step carefully and the resulting configuration […]

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How to Install Rust on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install Rust on Debian 13

Introduction How to Install Rust on Debian 13 is a fundamental operation for any administrator maintaining a Debian 13 Trixie server. Debian 13 Trixie 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 12. This tutorial […]

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How to Install Go 1.23 on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install Go 1.23 on Debian 13

Introduction Debian 13 Trixie is built around the ethos of stability and free software. Setting up install go 1.23 on Trixie leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Trixie freeze. Follow each step carefully and the resulting configuration will […]

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How to Install and Configure Consul for Service Discovery on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install and Configure Consul for Service Discovery on RHEL 9

In a microservices environment, services need a reliable way to discover each other without hardcoded IP addresses. HashiCorp Consul solves this with a distributed key-value store, a DNS interface, and an HTTP API that services query to locate healthy peers. On RHEL 9, Consul runs as a systemd service and integrates cleanly with firewalld. This […]

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