Kernel Drivers

How to Deploy Applications with Docker Compose on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Deploy Applications with Docker Compose on RHEL 8

Docker Compose simplifies running multi-container applications by defining every service, network, and volume in a single docker-compose.yml file. Instead of typing long docker run commands for each container, you declare the desired state and let Compose handle the orchestration. On RHEL 8 with Docker CE installed, Docker Compose V2 ships as a plugin and is […]

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How to Install Graylog Log Management on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Install Graylog Log Management on Debian 12

Introduction Debian 12 Bookworm is built around the ethos of stability and free software. Setting up install graylog log management on debian 12 on Bookworm leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bookworm freeze. Follow each step carefully and […]

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How to Manage Docker Images and Containers on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Manage Docker Images and Containers on RHEL 8

Day-to-day Docker work revolves around a core set of commands for pulling images from registries, starting and stopping containers, reading logs, and cleaning up unused resources. Mastering these commands on RHEL 8 means you can confidently deploy, debug, and maintain containerized applications without relying on GUI tools. This tutorial covers the full lifecycle from pulling […]

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How to Configure Telegraf Metrics Agent on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure Telegraf Metrics Agent on Debian 12

Introduction Deploying configure telegraf metrics agent on debian 12 on a Debian 12 Bookworm 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 will […]

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How to Install Icinga2 on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Install Icinga2 on Debian 12

Introduction This guide explains how to Install Icinga2 on Debian 12 on Debian 12 Bookworm. Debian Bookworm 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 12 install with the standard repositories […]

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How to Configure Docker Networking on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure Docker Networking on RHEL 8

Docker networking determines how containers communicate with each other, with the host, and with external networks. RHEL 8 adds a layer of complexity because Docker writes its own iptables rules at startup, which can interact unexpectedly with firewalld — the default firewall manager on RHEL 8. Understanding Docker’s network drivers and how they map to […]

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How to Set Up Nagios4 on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Set Up Nagios4 on Debian 12

Introduction Deploying set up nagios4 on debian 12 on a Debian 12 Bookworm 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 Before you begin, […]

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How to Install Netdata Monitoring on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Install Netdata Monitoring on Debian 12

Introduction Deploying install netdata monitoring on debian 12 on a Debian 12 Bookworm 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 will need […]

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How to Configure Zabbix Agent on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure Zabbix Agent on Debian 12

Introduction This guide explains how to Configure Zabbix Agent on Debian 12 on Debian 12 Bookworm. Debian Bookworm 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 12 install with the standard […]

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How to Install Zabbix Server on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Install Zabbix Server on Debian 12

Introduction This guide explains how to Install Zabbix Server on Debian 12 on Debian 12 Bookworm. Debian Bookworm 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 12 install with the standard […]

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