Firewall

How to Install Harbor Container Registry on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Install Harbor Container Registry on Debian 11

  • December 21, 2025
  • Linux
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Introduction Deploying install harbor container registry on debian 11 on a Debian 11 Bullseye machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Ensure Debian […]

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How to Install Zabbix on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install Zabbix on RHEL 8

  • December 21, 2025
  • Linux
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Zabbix is a mature, enterprise-grade open-source monitoring platform capable of tracking availability, performance, and log data for thousands of hosts from a single server. It ships with auto-discovery, customizable triggers, rich alerting integrations, and a polished web interface. Installing Zabbix 6.x on RHEL 8 takes roughly thirty minutes and gives you production-ready monitoring backed by […]

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How to Set Up the ELK Stack on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Set Up the ELK Stack on RHEL 8

  • December 21, 2025
  • Linux
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The ELK Stack — Elasticsearch, Logstash, and Kibana — is the industry-standard open-source platform for centralizing, parsing, and visualizing log data. Elasticsearch stores and indexes log events, Logstash ingests and transforms raw log lines using configurable pipelines, and Kibana provides a browser-based interface for search and visualization. Running the ELK Stack on RHEL 8 gives […]

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How to Install Prometheus and Grafana on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install Prometheus and Grafana on RHEL 8

  • December 21, 2025
  • Linux
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Prometheus and Grafana are two of the most widely adopted open-source tools for infrastructure monitoring and metrics visualization. Prometheus scrapes and stores time-series data from your systems, while Grafana turns that data into rich, interactive dashboards. Together they give RHEL 8 administrators a powerful, production-ready observability stack. This tutorial walks through installing both tools from […]

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How to Set Up SonarQube Code Analysis on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Set Up SonarQube Code Analysis on Debian 11

  • December 21, 2025
  • Linux
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Introduction How to Set Up SonarQube Code Analysis 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 […]

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How to Install Forgejo on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Install Forgejo on Debian 11

  • December 21, 2025
  • Linux
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Introduction This guide explains how to Install Forgejo 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 repositories […]

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How to Configure Gitea Self-Hosted Git Service on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Configure Gitea Self-Hosted Git Service on Debian 11

  • December 21, 2025
  • Linux
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Introduction Deploying configure gitea self-hosted git service on debian 11 on a Debian 11 Bullseye machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites You […]

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How to Set Up Tripwire for File Integrity Monitoring on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Set Up Tripwire for File Integrity Monitoring on RHEL 8

  • December 21, 2025
  • Linux
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File Integrity Monitoring (FIM) detects unauthorized changes to critical system files, binaries, and configuration directories — a key control for detecting intrusions and satisfying compliance requirements such as PCI-DSS and CIS benchmarks. Tripwire Open Source computes cryptographic hashes of monitored files at a baseline and alerts you to any subsequent modifications. This tutorial covers installing […]

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How to Set Up Chef Infra Client on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Set Up Chef Infra Client on Debian 11

  • December 21, 2025
  • Linux
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Introduction How to Set Up Chef Infra Client 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 […]

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How to Harden Web Servers: Security Headers, CSP and HSTS on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Harden Web Servers: Security Headers, CSP and HSTS on RHEL 8

  • December 21, 2025
  • Linux
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HTTP security headers instruct browsers how to handle your site’s content and protect visitors from clickjacking, cross-site scripting, MIME sniffing, and other common attacks. Adding these headers to Nginx or Apache on RHEL 8 is a high-value, low-effort hardening step that improves both your security posture and your score on tools like securityheaders.com. This tutorial […]

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