authentication

How to Install Terraform on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install Terraform on RHEL 7

How to Install Terraform on RHEL 7 Terraform is HashiCorp’s open-source Infrastructure as Code (IaC) tool that lets you define, provision, and manage cloud infrastructure using declarative configuration files. Instead of manually clicking through cloud consoles or writing fragile shell scripts, Terraform allows you to describe your desired infrastructure state — virtual machines, networks, storage […]

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How to Write Ansible Playbooks for Server Automation on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Write Ansible Playbooks for Server Automation on RHEL 7

How to Write Ansible Playbooks for Server Automation on RHEL 7 Ansible playbooks are the heart of infrastructure automation. While ad-hoc commands are useful for one-off tasks, playbooks allow you to describe a desired system state in YAML and apply it repeatably and idempotently across your entire fleet. A well-written playbook can provision a complete […]

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How to Install Ansible on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install Ansible on RHEL 7

How to Install Ansible on RHEL 7 Ansible is an agentless automation platform that lets you manage servers, deploy applications, and orchestrate complex workflows using simple YAML-based playbooks. Unlike other configuration management tools, Ansible requires no daemon or database on managed nodes — it connects over SSH and executes tasks on demand. On Red Hat […]

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How to Set Up SSH Key Authentication on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Set Up SSH Key Authentication on FreeBSD 15

Introduction Deploying set up ssh key authentication on a FreeBSD 15 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard base + […]

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How to Automate Debian 9 Server Provisioning with Ansible — step-by-step Debian 9 tutorial on Progressive Robot

How to Automate Debian 9 Server Provisioning with Ansible

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up automate debian 9 server provisioning with ansible on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each step carefully and […]

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How to Configure Nginx as a TCP/UDP Load Balancer on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Nginx as a TCP/UDP Load Balancer on Debian 9 (DEBIAN-9-2)

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up configure nginx as a tcp/udp load balancer on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each […]

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How to Configure a VXLAN Overlay Network on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure a VXLAN Overlay Network on Debian 9

Introduction How to Configure a VXLAN Overlay Network on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch 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 a PPTP VPN Server on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up a PPTP VPN Server on Debian 9

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up set up a pptp vpn server on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each step […]

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How to Configure Network Bonding with LACP on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Network Bonding with LACP on Debian 9

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up configure network bonding with lacp on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each step carefully […]

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How to Install Keepalived for High Availability on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install Keepalived for High Availability on Debian 9

Introduction This guide explains how to Install Keepalived for High Availability on Debian 9 on Debian 9 Stretch. Debian Stretch 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 9 install with […]

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