Operations

How to Install Portainer on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install Portainer on Debian 9

Introduction Deploying install portainer on debian 9 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 Ensure Debian 9 Stretch […]

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How to Configure Docker Logging Drivers on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Docker Logging Drivers on Debian 9

Introduction This guide explains how to Configure Docker Logging Drivers 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 […]

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How to Use Python Virtual Environments on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Use Python Virtual Environments on RHEL 7

How to Use Python Virtual Environments on RHEL 7 When you install Python packages system-wide with pip3, every project on the server shares the same set of libraries. This creates an immediate problem: Project A requires Flask 1.1 while Project B requires Flask 2.3, and only one version can occupy the global site-packages directory at […]

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How to Configure Container Networking with Flannel on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Container Networking with Flannel on Debian 9

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up configure container networking with flannel 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 Python 3 and pip on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install Python 3 and pip on RHEL 7

How to Install Python 3 and pip on RHEL 7 RHEL 7 ships with Python 2.7 as the system default, and that version is deeply embedded in system utilities such as yum itself. Replacing or removing the system Python will break critical OS tooling, so the correct approach on RHEL 7 is to install Python […]

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How to Install Rancher on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install Rancher on Debian 9

Introduction Deploying install rancher on debian 9 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 You will need a […]

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How to Install Xdebug for PHP on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install Xdebug for PHP on RHEL 7

How to Install Xdebug for PHP on RHEL 7 Xdebug is the de facto debugging and profiling extension for PHP. It transforms PHP development from a cycle of var_dump() statements into a proper interactive debugging experience: you can set breakpoints, step through code line by line, inspect variable values at runtime, and generate detailed execution […]

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How to Set Up a Local Kubernetes Dev Cluster with Minikube on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up a Local Kubernetes Dev Cluster with Minikube on Debian 9

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up set up a local kubernetes dev cluster with minikube 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. […]

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How to Harden PHP on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Harden PHP on RHEL 7

How to Harden PHP on RHEL 7 PHP is one of the most widely deployed server-side languages in the world, and its default configuration is designed for convenience rather than security. On a production RHEL 7 server, leaving PHP at its defaults exposes your system to information disclosure, remote file inclusion, code injection, and privilege […]

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How to Configure Docker Resource Limits on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Docker Resource Limits on Debian 9

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up configure docker resource limits 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 and […]

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