chris

How to Set Up FluxCD on SLES 16 — step-by-step SUSE Linux Enterprise 16 tutorial on Progressive Robot

How to Set Up FluxCD on SLES 16

Introduction This tutorial covers How to Set Up FluxCD on SLES 16 on SLES 16. SLES 16 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 16 system is up to date: zypper refresh […]

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How to Install Jenkins on SLES 16 — step-by-step SUSE Linux Enterprise 16 tutorial on Progressive Robot

How to Install Jenkins on SLES 16

Introduction This tutorial covers How to Install Jenkins on SLES 16 on SLES 16. SLES 16 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Step 1 — Add Jenkins Repository zypper addrepo -f https://pkg.jenkins.io/opensuse-stable/ jenkins zypper –gpg-auto-import-keys […]

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How to Enable Brotli and Gzip Compression in Nginx on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Enable Brotli and Gzip Compression in Nginx on RHEL 9

Text-based HTTP responses — HTML, CSS, JavaScript, JSON, XML, SVG — compress dramatically with standard compression algorithms, often achieving 60–80% size reduction. Nginx supports two compression algorithms: gzip (built-in, universal browser support) and Brotli (via the ngx_brotli dynamic module, 15–20% better compression than gzip for text, supported by all modern browsers). Enabling compression is one […]

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openSUSE Tumbleweed — atop — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — atop — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2025:14945-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-31160 Upstream summary: atop through 2.11.0 allows local users to cause a denial of service (e.g., assertion failure and application exit) or possibly have unspecified […]

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Debian 13 — rust-pgp — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — rust-pgp — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 November 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2024-53856 CVE-2024-53857 Upstream summary: rPGP is a pure Rust implementation of OpenPGP. Prior to 0.14.1, rPGP allows an attacker to trigger rpgp crashes by providing crafted data. This […]

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Common Problems 119652

Debian 13 – Locale Misconfiguration Causes Perl and Automation Warnings – Standard Fix

🟢 Low   ⏱ 5–30 min  Last verified: 8 November 2025 Affected versions: Debian 13 (Trixie) 📖 ~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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How to Use Skopeo for Container Images on SLES 16 — step-by-step SUSE Linux Enterprise 16 tutorial on Progressive Robot

How to Use Skopeo for Container Images on SLES 16

Introduction This tutorial covers How to Use Skopeo for Container Images on SLES 16 on SLES 16. SLES 16 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 16 system is up to date: […]

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Windows Server 2025 — KB5063899 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2025

Windows Server 2025 — KB5063899 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2025 📖 ~4 min read  •  Source: Microsoft KB5063899 • MSRC update-guide entry Related CVEs: CVE-2025-50176 CVE-2025-50177 CVE-2025-53766 CVE-2025-53778 CVE-2025-49751 CVE-2025-49743 CVE-2025-49761 CVE-2025-49762  +12 more Affected components: Windows Server 2025 Microsoft summary: Access of resource using incompatible type ('type confusion') […]

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Debian 13 — libimage-info-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libimage-info-perl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 November 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-9181 Upstream summary: perl-Image-Info: When parsing an SVG file, external entity expansion (XXE) was not disabled. An attacker could craft an SVG file which, when processed by an application […]

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