The :not Pseudo-Class in CSS
Learn how to use the negation pseudo-class in CSS.
How to Configure Docker Security Scanning on Debian 10
Introduction How to Configure Docker Security Scanning 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 from Debian 10. […]
openSUSE Tumbleweed — qt3 — multiple vulnerabilities (3 CVEs) — 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-2014:0265-1 (see also SUSE bugzilla) Related CVEs: CVE-2013-4549 CVE-2015-1860 CVE-2015-0295 Upstream summary: QXmlSimpleReader in Qt before 5.2 allows context-dependent attackers to cause a denial of service (memory consumption) via an XML Entity […]
RHEL 10 – dnf history rollback fails after interrupted transaction – Fix & Prevention
🟠 High ⏱ 5–30 min Last verified: 19 May 2026 Affected versions: RHEL 10 📖 ~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 — libgtop — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2007-0235 Upstream summary: Stack-based buffer overflow in the glibtop_get_proc_map_s function in libgtop before 2.14.6 (libgtop2) allows local users to cause a denial of service (crash) […]
RHEL 10 – DNF upgrade aborted by modular dependency conflicts – Fix & Prevention
🟠 High ⏱ 5–30 min Last verified: 19 May 2026 Affected versions: RHEL 10 📖 ~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 — dool — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE security advisory Related CVEs: CVE-2009-3894 Upstream summary: Multiple untrusted search path vulnerabilities in dstat before 0.7.0 allow local users to gain privileges via a Trojan horse Python module in (1) the current working […]
SSH Essentials: Working with SSH Servers, Clients, and Keys
Learn SSH essentials, including servers, clients, and SSH keys, to securely connect to and manage remote systems.
Avoid Security Tool Sprawl: Why Unified SecOps Is Critical for Cyber Resilience in 2026
Security tool sprawl is a quiet tax on detection speed, analyst capacity and cyber resilience. Here is what unified SecOps actually means, where consolidation goes wrong, and how to sequence it without losing coverage.
How to Run a Python Script on Ubuntu
Learn how to run a Python script on Ubuntu using the terminal. Follow this guide to execute .py files with Python 3, set permissions, and use shebangs.
