September 2022 - Page 26 of 69

How to Install and Use Composer on Debian 11 — step-by-step Linux tutorial on Progressive Robot

How to Install and Use Composer on Debian 11

Composer is a popular dependency management tool for PHP, created mainly to facilitate installation and updates for project dependencies. In this guide, we’ll see how to install and use Composer on a Debian 11 server.

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How to Configure Storage Tiering on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure Storage Tiering on Windows Server 2016

How to Configure Storage Tiering with Storage Spaces on Windows Server 2016 Storage Tiering is a feature of Storage Spaces in Windows Server 2016 that automatically moves frequently accessed data to faster storage media (such as SSDs) and less frequently accessed data to slower, higher-capacity media (such as HDDs). This provides a cost-effective approach to […]

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How To Host a Website Using Cloudflare and Nginx on Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

How To Host a Website Using Cloudflare and Nginx on Ubuntu 18.04

In this tutorial you will secure your website served by Nginx with an Origin CA certificate from Cloudflare and configure Nginx to use authenticated pull requests. The advantages of using this setup are that you benefit from Cloudflare’s CDN and fast DNS resolution while ensuring that all connections pass through Cloudflare. This prevents any malicious requests from reaching your server.

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Gentoo Linux — media-libs/libjxl — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — media-libs/libjxl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202210-36 Related CVEs: CVE-2022-34000 Upstream summary: libjxl contains an unecessary assertion in jxl::LowMemoryRenderPipeline::Init. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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Common Problems 120519

Debian 11 Time Drift Breaks TLS and Package Validation

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Debian 11 📖 ~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 115595

RHEL 7 yum GPG Key Mismatch On Repository

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: RHEL 7 📖 ~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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FreeBSD 13 — mariadb100-client — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — mariadb100-client — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mysql — denial of service vulnerability Related CVEs: CVE-2015-3152 CVE-2015-4792 CVE-2015-4802 CVE-2015-4807 CVE-2015-4815 CVE-2015-4826 CVE-2015-4830 CVE-2015-4836  +12 more Upstream summary: Openwall reports: C client library for MySQL (libmysqlclient.so) has use-after-free […]

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How to Use Terraform with IBM Power Systems on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Use Terraform with IBM Power Systems on IBM AIX 7.3

Introduction IBM AIX 7.3 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to use terraform with ibm power systems on IBM AIX […]

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