Firewall

How to Install kubectl on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install kubectl on RHEL 10

Introduction Setting up install kubectl on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Install kubectl on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and how to validate the result on […]

Read more
How to Configure rsnapshot Backups on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Configure rsnapshot Backups on RHEL 10

Introduction Setting up configure rsnapshot backups on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure rsnapshot Backups on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and how to validate the […]

Read more
How to Install Kotlin on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install Kotlin on RHEL 10

Introduction How to Install Kotlin on RHEL 10 on RHEL 10 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 and production-safe. […]

Read more
How to Install Jenkins on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Install Jenkins on Oracle Linux 10

Introduction This tutorial demonstrates how to Install Jenkins on Oracle Linux 10 on Oracle Linux 10. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered Oracle Linux 10 system with the default AppStream […]

Read more
Common Problems 113913

RHEL 10 – firewalld rich rule not applied after reload – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 6 February 2026 Affected versions: RHEL 10 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]

Read more
How to Run Moltbot on Progressive Robot: Complete Quickstart Guide (2025–2026) — step-by-step tutorial on Progressive Robot

How to Run Moltbot on Progressive Robot: Complete Quickstart Guide (2025–2026)

Run Moltbot on Progressive Robot is one of the smartest and safest ways to host your personal, always-on AI assistant in 2025–2026 — without risking your local machine or exposing sensitive data. Moltbot (formerly Clawdbot/Moltbot) is a powerful open-source agent that can manage calendars, browse the web, organize files, handle email, run terminal commands, and more — all powered by your choice of LLM (Anthropic, OpenAI, Gemini, local models, etc.). You interact with it naturally through WhatsApp, iMessage, Telegram, Discord, Slack, a terminal TUI, or web dashboard.

Read more
How to Install Telegraf on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install Telegraf on RHEL 10

Introduction How to Install Telegraf on RHEL 10 on RHEL 10 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 and production-safe. […]

Read more
How to Install and Secure Redis on Ubuntu: Complete Guide (2025–2026) — step-by-step tutorial on Progressive Robot

How to Install and Secure Redis on Ubuntu: Complete Guide (2025–2026)

In 2025–2026, installing and securing Redis on Ubuntu is a critical task for developers and sysadmins using Redis as a fast in-memory cache, session store, message broker, or real-time data engine. By default, Redis listens on all interfaces without authentication—leaving it vulnerable if port 6379 is exposed. This step-by-step guide shows you exactly how to install and secure Redis on Ubuntu (22.04 LTS, 24.04 LTS, and later), including binding to localhost, setting a strong password (or ACLs), renaming/disabling dangerous commands, and verifying everything works.

Read more
How to Use SFTP to Securely Transfer Files: Complete Guide (2025–2026) — step-by-step tutorial on Progressive Robot

How to Use SFTP to Securely Transfer Files: Complete Guide (2025–2026)

In 2025–2026, securely transferring files to and from remote servers remains essential for developers, sysadmins, and DevOps teams. Legacy FTP is insecure and widely deprecated due to plain-text credentials and data. SFTP (Secure File Transfer Protocol) — built into SSH — provides encrypted, reliable file transfers and is the modern standard replacement.

Read more
CHAT