Operations

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

How to Install Symfony on RHEL 7

How to Install Symfony on RHEL 7 Symfony is a mature, enterprise-grade PHP framework built around reusable components that power projects ranging from small APIs to large-scale e-commerce platforms. Many PHP projects, including Drupal, Laravel, and Magento, depend directly on Symfony components. Installing Symfony on RHEL 7 follows a similar pattern to other PHP frameworks: […]

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How to Install GCC and Build Essential Tools on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install GCC and Build Essential Tools on Debian 9

Introduction This guide explains how to Install GCC and Build Essential Tools 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 […]

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

How to Install Laravel on RHEL 7

How to Install Laravel on RHEL 7 Laravel is one of the most popular PHP frameworks, renowned for its expressive syntax, robust ORM (Eloquent), built-in authentication scaffolding, and an ecosystem of first-party packages for queuing, broadcasting, and caching. Installing Laravel on RHEL 7 requires assembling several components: a recent PHP version from the Remi repository, […]

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How to Install Perl and CPAN Modules on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install Perl and CPAN Modules on Debian 9

Introduction How to Install Perl and CPAN Modules 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 Install Composer on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install Composer on RHEL 7

How to Install Composer on RHEL 7 Composer is the standard dependency manager for PHP, used by virtually every modern PHP framework and library ecosystem. It reads a composer.json file in your project to resolve and download the exact library versions your application requires, storing them in a vendor/ directory and generating an autoloader that […]

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How to Configure a Python uWSGI Application Server on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure a Python uWSGI Application Server on Debian 9

Introduction This guide explains how to Configure a Python uWSGI Application Server 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 […]

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How to Install Oracle JDK 8 on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install Oracle JDK 8 on Debian 9

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up install oracle jdk 8 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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How to Install PHP on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install PHP on RHEL 7

How to Install PHP on RHEL 7 PHP is the most widely used server-side scripting language for web development, powering applications ranging from simple contact forms to enterprise content management systems. Red Hat Enterprise Linux 7 ships with an older version of PHP in its base repositories, so for modern frameworks and security patches you […]

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How to Set Up a Python Django Application on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up a Python Django Application on Debian 9

Introduction How to Set Up a Python Django Application 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 […]

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How to Configure Database Connection Pooling with PgBouncer on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure Database Connection Pooling with PgBouncer on RHEL 7

How to Configure Database Connection Pooling with PgBouncer on RHEL 7 Every PostgreSQL client connection spawns a backend process on the server, consuming approximately 5–10 MB of RAM for its working memory and adding overhead to the process scheduler. Applications that open hundreds of short-lived connections — such as PHP scripts, Node.js workers, or microservices […]

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