CSS Grid Layout: The Fr Unit
CSS Grid Layout bring us a new unit, a fraction unit (Fr). See how it works.
How to Set Up DNS Policies on Windows Server 2022
How to Back Up and Restore SQL Server Databases on Windows Server 2022 Reliable database backups are the foundation of any SQL Server disaster recovery strategy. SQL Server 2022 provides flexible backup types, recovery models, compression, encryption, and cloud-integrated backup to Azure Blob Storage. This guide covers everything from the basic BACKUP DATABASE command to […]
RHEL 8 MariaDB Service Fails After Parameter Mismatch Change
🟡 Medium ⏱ 5–30 min Last verified: 26 December 2022 📖 ~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 […]
DNF Metadata Checksum Mismatch Errors
🟡 Medium ⏱ 5–30 min Last verified: 26 December 2022 📖 ~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 […]
IBM AIX 7.2 — CVE-2022-22473 — vulnerability — patch and remediation guide
🟡 Medium ⏱ 15–45 min Last verified: 26 December 2022 Affected versions: IBM AIX 7.2 📖 ~4 min read • Source: NVD CVE-2022-22473, IBM Support Bulletin CVE: CVE-2022-22473 NVD summary: IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 could allow a remote attacker to obtain sensitive information caused by improper handling of Administrative […]
Debian 11 — screenie — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 26 December 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2008-5371 Upstream summary: screenie in screenie 1.30.0 allows local users to overwrite arbitrary files via a symlink attack on a /tmp/.screenie.##### temporary file. Table of contents Symptom & […]
Windows Server 2016 — Print Spooler service stuck in stopping state — Fix & Prevention
🟠 High ⏱ 5–30 min Last verified: 26 December 2022 Affected versions: Windows Server 2016 📖 ~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 […]
openSUSE Tumbleweed — python38-PyJWT — vulnerability — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory openSUSE-SU-2025:14987-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-29217 Upstream summary: PyJWT is a Python implementation of RFC 7519. PyJWT supports multiple different JWT signing algorithms. With JWT, an attacker submitting the JWT […]
How to Set Up IBM HTTP Server 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 set up ibm http server on IBM AIX 7.3 […]
Windows Server 2022 — Windows container image pulls fail with TLS handshake timeout — Fix & Prevention
🟠 High ⏱ 5–30 min Last verified: 26 December 2022 Affected versions: Windows Server 2022 📖 ~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 […]
