Filesystem

How to Configure Kubernetes Persistent Volumes and Storage Classes on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure Kubernetes Persistent Volumes and Storage Classes on RHEL 7

How to Configure Kubernetes Persistent Volumes and Storage Classes on RHEL 7 By default, storage inside a Kubernetes Pod is ephemeral — when a Pod restarts or is rescheduled, all data written to the container filesystem is lost. For applications like databases, file servers, and message queues that require durable storage, Kubernetes provides a storage […]

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How to Install Podman as a Rootless Docker Alternative on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install Podman as a Rootless Docker Alternative on RHEL 7

How to Install Podman as a Rootless Docker Alternative on RHEL 7 Podman is a daemonless, rootless container engine developed by Red Hat that is fully compatible with the OCI (Open Container Initiative) standard and largely compatible with the Docker CLI. Unlike Docker, Podman does not require a long-running background daemon running as root, which […]

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How to Use Docker Volumes and Bind Mounts on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Use Docker Volumes and Bind Mounts on RHEL 7

How to Use Docker Volumes and Bind Mounts on RHEL 7 Containers are ephemeral by design — when a container is removed, any data written inside its writable layer is lost. Docker solves this with three types of persistent storage: named volumes, bind mounts, and tmpfs mounts. Named volumes are managed entirely by Docker and […]

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How to Configure ACLs on Ext4 File Systems on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure ACLs on Ext4 File Systems on Debian 9

Introduction This guide explains how to Configure ACLs on Ext4 File Systems 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 Build and Deploy a Go Web Application on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Build and Deploy a Go Web Application on RHEL 7

How to Build and Deploy a Go Web Application on RHEL 7 Go’s standard library includes a production-capable HTTP server in the net/http package. Unlike Java or Python, you do not need an external application server or framework to serve web traffic — the Go runtime handles it natively with impressive performance. This guide covers […]

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How to Deploy a Django Application with Gunicorn and Nginx on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Deploy a Django Application with Gunicorn and Nginx on RHEL 7

How to Deploy a Django Application with Gunicorn and Nginx on RHEL 7 Django’s built-in development server is single-threaded, outputs detailed error tracebacks to the browser, and is explicitly documented as unsuitable for production. The standard production deployment for Django on Linux is a two-layer stack: Gunicorn (a Python WSGI HTTP server) handles the Python […]

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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 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 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 Configure XFS File System on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure XFS File System on Debian 10

Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up configure xfs file system 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 carefully and […]

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