Firewall

How to Configure OpenTelemetry Collector on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Configure OpenTelemetry Collector on Debian 11

  • March 31, 2022
  • Linux
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Introduction Deploying configure opentelemetry collector 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 11 […]

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How to Configure CentOS Stream 9 with Secure Boot — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Configure CentOS Stream 9 with Secure Boot

  • March 30, 2022
  • CentOS
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Introduction Setting up configure centos stream 9 with secure boot on a CentOS Stream 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure CentOS Stream 9 with Secure Boot, with all the commands you need, the SELinux and firewalld considerations to keep in […]

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How to Install Python 3.9 on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Install Python 3.9 on Debian 11

  • March 30, 2022
  • Linux
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Introduction This guide explains how to Install Python 3.9 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 […]

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How to Install and Configure Traefik Reverse Proxy on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install and Configure Traefik Reverse Proxy on RHEL 7

  • March 30, 2022
  • Linux
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How to Install and Configure Traefik Reverse Proxy on RHEL 7 Traefik is a modern, cloud-native reverse proxy and load balancer that differentiates itself from Nginx and HAProxy through its dynamic configuration model — routing rules can be updated at runtime without restarting the proxy. Originally designed for microservices and Docker environments, Traefik works equally […]

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How to Configure Apache mod_proxy as a Reverse Proxy on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure Apache mod_proxy as a Reverse Proxy on RHEL 8

  • March 30, 2022
  • Linux
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Apache’s mod_proxy module turns your existing Apache web server into a fully functional reverse proxy without requiring a second web server like Nginx. This is particularly useful when you already have Apache managing SSL termination, virtual hosts, or authentication, and want to forward traffic to a backend application server such as Tomcat, Node.js, or a […]

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How to Set Up a Multi-Node Kubernetes Cluster on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Set Up a Multi-Node Kubernetes Cluster on CentOS Stream 9

  • March 29, 2022
  • CentOS
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Introduction Setting up set up a multi-node kubernetes cluster on centos stream 9 on a CentOS Stream 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Set Up a Multi-Node Kubernetes Cluster on CentOS Stream 9, with all the commands you need, the SELinux […]

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How to Install ArgoCD GitOps Tool on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Install ArgoCD GitOps Tool on Debian 11

  • March 29, 2022
  • Linux
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Introduction Deploying install argocd gitops tool 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 Configure Ceph Cluster on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Configure Ceph Cluster on CentOS Stream 9

  • March 26, 2022
  • CentOS
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Introduction This tutorial demonstrates how to Configure Ceph Cluster on CentOS Stream 9 on CentOS Stream 9. 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 CentOS Stream 9 system with the default […]

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How to Configure Database Backups with Automysqlbackup on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Configure Database Backups with Automysqlbackup on Debian 11

  • March 26, 2022
  • Linux
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Introduction How to Configure Database Backups with Automysqlbackup 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 Set Up Workload Manager (WLM) on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Set Up Workload Manager (WLM) on IBM AIX 7.2

  • March 26, 2022
  • IBM AIX
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Introduction IBM AIX 7.2 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to set up workload manager (wlm) on ibm aix 7.2 […]

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