Operations

How to Set Up SSH Key Authentication on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up SSH Key Authentication on Debian 9

Introduction This guide explains how to Set Up SSH Key Authentication 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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How to Configure Nginx WebSocket Proxying on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure Nginx WebSocket Proxying on RHEL 7

How to Configure Nginx WebSocket Proxying on RHEL 7 WebSockets provide a full-duplex communication channel over a single TCP connection, enabling real-time features such as live chat, push notifications, collaborative editing, and live dashboards. Unlike traditional HTTP requests, a WebSocket connection is established through an HTTP upgrade handshake and then kept open indefinitely. Nginx can […]

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How to Configure Static IP on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Static IP on Debian 9

Introduction This guide explains how to Configure Static IP 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 the standard […]

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How to Configure SSL/TLS with OpenSSL and Self-Signed Certificates on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure SSL/TLS with OpenSSL and Self-Signed Certificates on RHEL 7

How to Configure SSL/TLS with OpenSSL and Self-Signed Certificates on RHEL 7 Encrypting web traffic with SSL/TLS is no longer optional for any server that handles user data, logins, or forms. Even on internal or development servers, a self-signed certificate provides encryption in transit and is far preferable to plain HTTP. On RHEL 7, OpenSSL […]

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How to Install Debian 9 Stretch on a Server — step-by-step Debian 9 tutorial on Progressive Robot

How to Install Debian 9 Stretch on a Server

Introduction Deploying install debian 9 stretch on a server on a Debian 9 Stretch 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 […]

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How to Set Up a LAMP Stack on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Set Up a LAMP Stack on RHEL 7

How to Set Up a LAMP Stack on RHEL 7 A LAMP stack — Linux, Apache, MySQL, and PHP — is one of the most widely deployed web server configurations in the world. On Red Hat Enterprise Linux 7, setting up a fully functional LAMP stack requires pulling packages from multiple repositories, because RHEL 7’s […]

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How to Automate Debian 10 Server Provisioning with Ansible — step-by-step Debian 10 tutorial on Progressive Robot

How to Automate Debian 10 Server Provisioning with Ansible

Introduction Deploying automate debian 10 server provisioning with ansible on a Debian 10 Buster 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 Configure Nginx as a TCP/UDP Load Balancer on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure Nginx as a TCP/UDP Load Balancer on Debian 10 (DEBIAN-10-2)

Introduction Deploying configure nginx as a tcp/udp load balancer on debian 10 on a Debian 10 Buster 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. […]

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How to Set Up a LEMP Stack on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Set Up a LEMP Stack on RHEL 7

How to Set Up a LEMP Stack on RHEL 7 A LEMP stack — Linux, Nginx, MySQL, and PHP — is one of the most common foundations for modern dynamic web applications. On RHEL 7 the individual components are available from a combination of the base repositories, the EPEL community repository, the official MySQL community […]

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How to Set Up a PPTP VPN Server on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up a PPTP VPN Server on Debian 10

Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up set up a pptp vpn server on debian 10 on Buster leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Buster freeze. Follow each step […]

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