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How To Test Your Ansible Deployment with InSpec and Kitchen — step-by-step Devops tutorial on Progressive Robot

How To Test Your Ansible Deployment with InSpec and Kitchen

InSpec is an open-source auditing and automated testing framework used to describe and test for regulatory concerns, recommendations, or requirements. It is designed to be human-readable and platform-agnostic. In this tutorial, you’ll write tests for your Ansible playbooks running on a the cloud provider Ubuntu 18.04 Droplet. You’ll use Kitchen as the test-runner and InSpec for writing the tests. By the end of this tutorial, you’ll be able to test your Ansible playbook deployment.

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

Oracle Linux 8 — libtiff — vulnerability — patch and remediation guide (ELSA-2020-1688)

🟡 Medium   ⏱ 10–30 min  Last verified: 6 September 2020 Affected versions: Oracle Linux 8 đź“– ~4 min read  â€˘  Source: ELSA advisory ELSA-2020-1688 Related CVEs: CVE-2019-14973 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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How To Install Ruby on Rails with rbenv on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Install Ruby on Rails with rbenv on Ubuntu 14.04

Ruby on Rails is an extremely popular open-source web framework that provides a great way to write web applications with Ruby. This tutorial will show you how to install Ruby on Rails on Ubuntu 14.04, using rbenv. This will provide you with a solid environment for…

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Gentoo Linux — net-libs/glib-networking — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — net-libs/glib-networking — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux đź“– ~4 min read  â€˘  Source: Gentoo GLSA GLSA-202007-50 Related CVEs: CVE-2020-13645 Upstream summary: GTlsClientConnection skips hostname verification of the server’s TLS certificate if the application fails to specify the expected server identity. Table of contents Symptom & Impact Environment […]

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How to Set Up Bash Aliases and Environment Variables on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up Bash Aliases and Environment Variables on Debian 10

Introduction How to Set Up Bash Aliases and Environment Variables on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster 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 […]

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Common Problems 121631

Debian 9 – DKMS Module Build Fails After Kernel Update – Header Alignment

đźź  High   ⏱ 5–30 min  Last verified: 5 September 2020 Affected versions: Debian 9 đź“– ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]

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Common Problems 121134

Debian 10: Fail2ban blocks internal monitoring IPs

🟡 Medium   ⏱ 5–30 min  Last verified: 5 September 2020 Affected versions: Debian 10 đź“– ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]

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Common Problems 115105

RHEL 8 httpd Returns 503 Due to php-fpm Socket Permissions

🟡 Medium   ⏱ 5–30 min  Last verified: 5 September 2020 đź“– ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]

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