IT, Cloud & DevOps Blog

SLES 15 — libXcursor1 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libXcursor1 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 7 September 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2013:1103-1 (see also SUSE bugzilla) Related CVEs: CVE-2013-2003 CVE-2017-16612 Upstream summary: Integer overflow in X.org libXcursor 1.1.13 and earlier allows X servers to trigger allocation of insufficient memory and a buffer overflow […]

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Arch Linux — perl-email-address — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — perl-email-address — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201905-7 Related CVEs: CVE-2018-12558 Upstream summary: Type: denial of service. Status: Fixed. Affected: 1.909-1. Fixed in: 1.912-1. Group: AVG-722. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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How to Harden Web Servers: Security Headers, CSP and HSTS on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Harden Web Servers: Security Headers, CSP and HSTS on RHEL 7

How to Harden Web Servers: Security Headers, CSP and HSTS on RHEL 7 HTTP security headers are one of the most cost-effective controls available to web server administrators. They instruct the browser to enforce strict content handling rules, preventing common attacks such as cross-site scripting (XSS), clickjacking, MIME-type confusion, and protocol downgrade attacks — without […]

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Common Problems 115414

YUM Fails Due to DNS Resolution Problems

🟡 Medium   ⏱ 5–30 min  Last verified: 6 September 2019 📖 ~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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Common Problems 113522

Windows Server 2012 R2 SMB Multichannel Disabled After NIC Driver Update – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 6 September 2019 Affected versions: Windows Server 2012 R2 📖 ~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 […]

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openSUSE Tumbleweed — platformsh-cli — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — platformsh-cli — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2016:1842-1 (see also SUSE bugzilla) Related CVEs: CVE-2016-5385 Upstream summary: PHP through 7.0.8 does not attempt to address RFC 3875 section 4.1.18 namespace conflicts and therefore does not protect applications from the […]

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Common Problems 112541

Windows Server 2019 – Cluster-Aware Updating run fails and leaves mixed patch state – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 6 September 2019 Affected versions: Windows Server 2019 📖 ~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 Set Up a Node.js Forever Process Manager on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up a Node.js Forever Process Manager on Debian 9

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up set up a node.js forever process manager on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each […]

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