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Debian 11 — byacc — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — byacc — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-3196 Upstream summary: skeleton.c in yacc does not properly handle reduction of a rule with an empty right hand side, which allows context-dependent attackers to cause an out-of-bounds […]

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How to Use Skaffold for Kubernetes Development on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Use Skaffold for Kubernetes Development on RHEL 8

Skaffold is a command-line tool from Google that automates the build, push, and deploy cycle for Kubernetes applications, giving developers a hot-reload inner loop without writing bespoke shell scripts. On RHEL 8 with a local Kubernetes cluster such as k3s, Skaffold detects file changes, rebuilds the affected container image, and rolls out the updated deployment […]

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How To Set Up a Ceph Cluster within Kubernetes Using Rook — step-by-step Kubernetes tutorial on Progressive Robot

How To Set Up a Ceph Cluster within Kubernetes Using Rook

Rook is a storage orchestration tool that provides a cloud-native, open source solution for a diverse set of storage providers. Ceph is a highly scalable distributed-storage solution offering object, block, and file storage. In this tutorial, you will set up a Ceph cluster using Rook and use it to persist data for a MongoDB database as an example.

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Debian 11 — golang-github-go-macaron-csrf — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — golang-github-go-macaron-csrf — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-25060 Upstream summary: A vulnerability was found in Macaron csrf and classified as problematic. Affected by this issue is some unknown functionality of the file csrf.go. The manipulation […]

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How To Secure Your Django Application with a Content Security Policy — step-by-step Python tutorial on Progressive Robot

How To Secure Your Django Application with a Content Security Policy

Websites use various services, styles, scripts, and images to load and render content, and the browser will execute all of it. Using a Content Security Policy (CSP) can help ensure that users are protected from malicious code. In this tutorial, you’ll implement a CSP in a basic Django app, customizing the CSP to allow certain domains and inline resources to run. You’ll also set up Sentry to log violations.

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Oracle Linux 8 — kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — kernel — vulnerability — patch and remediation guide (ELSA-2024-5101)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-5101 Related CVEs: CVE-2021-46939 CVE-2021-47018 CVE-2021-47257 CVE-2021-47284 CVE-2021-47304 CVE-2021-47373 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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How to Install Ansible on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install Ansible on RHEL 9

Ansible is an open-source IT automation tool developed by Red Hat that allows managing server configuration, application deployment, and task automation using human-readable YAML playbooks. Unlike Chef or Puppet (which require agents installed on managed nodes), Ansible is agentless — it connects to managed servers via SSH and executes tasks using Python, with no permanent […]

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